RU2829952C2 - Key case for attachment to wrist - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: key case for attachment to the wrist is made of paired extensions, the opposite sides of each extension are smoothly concave or smoothly curved and have a common point of contact on one side, and the distance between each other on the other side, wherein the case has on the outer side an opening or closing system with a magnet or magnetic tape along the opening/closing line, wherein the case has a retaining material on the inner side of the molds, a loop attached to the inner side of the volumetric cavity, with the possibility of attaching a carabiner with keys, wherein paired extensions are made on opposite sides of the key case for attachment and adjustment of the key case.

EFFECT: wrist key case is disclosed.

9 cl, 6 dwg

Description

Field of technology.

The present invention relates to satisfying human vital needs, to key cases, to a composition of key case elements for fastening on the wrist and devices for implementing the proposed invention in practice.

The need to store and use keys for home, car and other similar items on a daily basis requires the creation of a technical means of reliable storage, a means of transporting keys with increased capacity, with increased reliability against loss of the case and keys during the process of using the keys for their intended purpose, and a means for attaching them to the wrist.

Thus, there is a technical problem, which is the need to create a case for fastening on the wrist, which would have improved operational and functional characteristics.

The technical result achieved by using the claimed technical solution consists of a composition consisting of at least two known ingredients, providing a synergistic effect, the possibility of achieving which does not follow from the level of technology and provides an increase in the operational and functional characteristics of the composition of the elements of the wrist case and devices for implementing the proposed invention in practice.

State of the art

The Parat tool case model RA-5535000060 is known. The bag contains 20 compartments, which can accommodate tools and accessories. The bag rolls up and has a strap clip. It is made of black leatherette.

The disadvantages of this case-bag are: inconvenience of use and unreliability of fixation of the tool when exposed to impacts, vibration, shaking.

The inconvenience of use is expressed in the low compactness of the bag in the folded/unfolded state and the need to tie/untie the bag-cover. The unreliability of fixation is expressed in the possibility of spontaneous untying of the bag (Parat company model PA-5535000060, Analogue).

A device for storing and fixing hand tools is known. It consists of frames, the frames are a quadrangular structure containing rigid connections between the elements. The lower frame has grooves for installing hand tools. Rubber plates are installed on the upper frame.

The device is equipped with a frame fixing device, which includes a rotating handle with an extended part on the upper frame and a movable corner, which is installed on the lower frame.

The device has a second manufacturing option, according to which the device for storing and fixing the hand tool includes three frames and two fixing elements. The middle frame is made double-sided and contains rubber plates on the corresponding ribs in the lower part, and grooves for installing the hand tool in the upper part.

All versions of the device have increased reliability of tool fastening.

The disadvantage of this device is its inconvenience in operation and unreliable protection against damage or loss of the device itself with the tool during transportation.

The disadvantage also manifests itself in the process of using the tool. The disadvantage manifests itself in the absence of fastening elements in the device to secure the device to the human wrist.

The device has weak protection against damage or loss during transportation and during use of the hand tool for its intended purpose (RU2733953C2, KAZYEV MARK SERGEEVICH (RU), 06/03/2020 Prototype).

The disadvantage of known technical solutions is low operational and functional characteristics.

The technical problem that this technical solution aims to solve is to create a wrist-mounted case that has improved performance and functionality.

The technical result achieved by using the claimed technical solution consists of a composition consisting of at least two known ingredients, providing a synergistic effect, the possibility of achieving which does not follow from the level of technology and provides an increase in the operational and functional characteristics of the composition of the elements of the wrist key case and devices for implementing the proposed invention in practice.

The essence of the invention is "elements of a key case for fastening on the wrist" and devices for its practical implementation: "a key case for fastening on a person's wrist", "a key case for fastening on the wrist".

The invention is based on the task of creating a case for house keys, garage keys, etc., with the ability to be attached to the wrist, which would have improved operational and functional characteristics.

Preferably, the composition "elements of a key case for fastening on the wrist" comprises a case with a volumetric cavity inside, a system for opening/closing the volumetric cavity, a system for fastening narrow sides, for example, along the length of the case.

It is preferable to make the top layer of the case in the composition “elements of the key case for fastening on the wrist” from genuine leather.

Preferably, in the composition of the “elements of the key case for fastening on the wrist” in the design of the case, the presence of paired extensions, the opposite sides of the paired extensions are smoothly concave and/or smoothly convex, and the opposite sides of the paired extensions have a common point of contact on one side and a distance between them on the other side.

Preferably, in the composition of the “elements of the key case for fastening on the wrist” in the design of the case, the common point of contact of the opposite sides of the paired extensions is located closer to the front part of the case.

Preferably, in the composition of the "elements of the key case for fastening on the wrist" in the design of the case, the connection of the opposing smoothly curved and/or smoothly concave sides of the paired extensions is performed by stitching or single-sided tape, or by another suitable method, with the possibility of forming a volumetric cavity inside the case with an increased capacity for the bodies of the equipment worn on the wrist, for example, at least 5 keys.

Preferably, in the composition of the “elements of the key case for fastening on the wrist” in the design of the case, the opposing smoothly curved and/or smoothly concave sides of the paired extensions are located opposingly on, for example, sides along the width or length of the case.

Preferably, in the composition of the “elements of the key case for fastening on the wrist” in the design of the case, the opposite sides, for example, along the width of the case, are connected, and the opposite sides, in this case along the length of the case, are closed around the wrist by a fastening system.

Preferably, in the composition of the "elements of the key case for fastening on the wrist" in the design of the case, the presence of paired extensions, the sides of the paired extensions are smoothly concave and/or smoothly convex, with the possibility of increasing/decreasing the distance between the paired extensions on one side, increasing/decreasing the capacity of the volumetric cavity of the case, with the possibility of the case holding an object intended for storage, transportation on the wrist, with the possibility of fastening around the wrist.

Preferably, in the composition of the "elements of the key case for fastening on the wrist" in the design of the case, the presence of paired extensions, the sides of the paired extensions are smoothly concave and/or smoothly convex, with the possibility of increasing/decreasing the depth of the concavity/convexity of the sides of the paired extensions to increase/decrease the capacity of the volumetric cavity of the case, with the possibility of the case holding an object intended for storage, transportation on a person's wrist, with the possibility of fastening around the person's wrist of the corresponding perimeters.

Preferably, in the composition of the “elements of the key case for fastening on the wrist” in the design of the case, with an increase/decrease in the length of each side of the paired extensions, the capacity of the internal volumetric cavity of the case increases accordingly, with the possibility of increasing the capacity of the case, with the possibility of changing the shape of the case.

Preferably, in the composition of the “elements of the key case for fastening on the wrist” in the design of the case, the presence of paired extensions, the sides of the paired extensions are smoothly concave and/or smoothly convex, and:

- when increasing/decreasing the distance between paired extension cords on one side,

- when increasing/decreasing the depth of concavity/convexity of the sides of the paired extensions of the case,

- when increasing/decreasing the length of each side of the paired extensions, the capacity of the internal volumetric cavity of the case increases/decreases accordingly, the shape of the case changes, with the possibility of increasing/decreasing the capacity of the volumetric cavity of the case, with the possibility of achieving the shape and size of the case that best correspond to the anthropometric characteristics of the wrist of a particular person and thereby ensuring convenience during use, with the possibility of achieving the shape and size of the case that best correspond to the shape and size of the support device, with the possibility of having the shape and size of the volumetric cavity of the case corresponding to the shape and size of the keys.

Preferably, in the composition of the “elements of a key case for fastening on the wrist”, the use of smoothly concave and/or smoothly convex sides of paired extensions in the design execution on the upper front side of the case ensures the formation of a volumetric cavity inside the case, with the ability to hold objects, for example, a key, and to perform the functions of a holding device.

Preferably, in the composition of the "elements of the key case for fastening on the wrist", the use of smoothly concave and/or smoothly convex sides of paired extensions on the lower side of the case is used in the design execution, which ensures that the case has the form of a fastening in the form of a bracelet, with the possibility of fastening the case on the wrist, with the possibility of the case performing the functions of a fastening device.

Preferably, in the composition of the "key case elements for fastening on the wrist", the design of the case includes extensions, the opposite sides of the paired extensions are smoothly concave and/or smoothly convex, and when connected, the non-rectilinear cuts have greater elasticity and strength of the connection than connections with straight cuts, with the possibility of increasing the strength of the case connections. Preferably, in the composition of the "key case elements for fastening on the wrist", there is a fastening system on the opposite narrow sides of the case, preferably selected from the group of "snap fastener, Velcro, magnet".

Preferably, in the composition of the “elements of a key case for fastening to the wrist”, in the design execution, the case contains on the inner side of the volumetric cavity of the forms a holding material made of cardboard, polypropylene, plastic, and on one of the sides a loop is made, for example, from genuine leather, for fastening a carabiner with keys.

Preferably, the composition of "elements of a key case for fastening on the wrist" includes a system for opening/closing the volumetric cavity of the case. The opening/closing system consists of a shaped, at least rectangular, opening/closing line, wherein the connection along the opening/closing line is performed using, for example, a magnetic tape with the ability to hold and protect the object in the volumetric cavity.

Thus, in the composition “elements of a key case for fastening on the wrist”:

- the use in the design of the case on the upper front side of the case of smoothly concave and/or smoothly convex sides of the paired extensions ensures the formation of a volumetric cavity inside the case, with the ability to hold objects, such as a key,

- the use in the design of the case on the bottom side of the case of smoothly concave and/or smoothly convex sides of the paired extensions ensures that the case has the form of a bracelet-type fastening, with the possibility of fastening the case on the wrist,

- the use of a system for opening/closing the volumetric cavity of the case, and ultimately, with the ability of the case to simultaneously perform the functions of a holding device and a fastening device in the composition of “elements of a key case for fastening on the wrist”.

All elements of the composition “elements of the key case for fastening on the wrist” are in functional and constructive unity.

Among the array of known devices, no such device has been found whose set of essential features coincides with the declared set of features “elements of a key case for fastening to the wrist”, at the same time, it is precisely due to the latter that a new technical result is achieved, which determines the presence of the declared device of the first qualifying feature “world level of novelty”.

The set of distinctive essential features of the combination "elements of a key case for fastening on the wrist" is not a simple sum of the known technical results of using the elements of the case separately. There is a "super-effect" (in the patent sense of this term), which was not obvious to a specialist from the achieved level of technology (of course, before considering the claimed technical solution). And taking into account the commercial success that contributes to the combination "elements of a key case for fastening on the wrist". This convincingly demonstrates the inventive level of the combination "elements of a key case for fastening on the wrist" as the second triad of qualified features of the invention.

The third qualifying feature - the industrial applicability of the combination of "elements of a key case for fastening on the wrist" - is also indisputable and follows not only from the presence of experimental samples successfully tested by the author, but from the capabilities of modern industry.

Preferably, the device for implementing the present invention - "a key case for fastening on a person's wrist" - contains a system for opening/closing the volumetric cavity on the side and front side of the volumetric cavity of the case, the opening/closing system consists of a figured opening/closing line, wherein the connection along the opening/closing line is made using a magnetic tape, with the possibility of holding the keys during storage and transportation in the volumetric cavity.

Preferably, the device for implementing the present invention - "a key case for fastening on a person's wrist" allows not to detach the key from the volumetric cavity of the case during the process of using the key for its intended purpose, the consumer, using only one hand, can open the door to the apartment, while simultaneously holding a string bag in the other hand, with the possibility of using only one hand during the process of using the keys for their intended purpose, with the possibility of convenient and comfortable use for the consumer.

It is preferable that the device for implementing the present invention - "key case for fastening on a person's wrist" is made of genuine leather, in addition to tactile comfort, a noble respectable appearance, does not cause allergic reactions, moisture and air permeability and low thermal conductivity of genuine leather, these properties are important from the point of view of consumer hygiene and improve the hygienic properties of the device.

Preferably, the device for implementing the present invention - "a key case for fastening on a person's wrist" is made of genuine leather, strangers see an accessory made of genuine leather on the consumer's wrist, with the possibility of the effect of reliable protection of keys during storage and transportation.

Preferably, the device for implementing the present invention is a "key case for attaching to a person's wrist", in which case the device hides the location of the keys during storage and transportation, with the ability to protect against loss of keys when the consumer speaks at conferences, in places where the consumer dances, where the presence of pockets with keys or hand bags is inappropriate or inconvenient, and other similar places, with the ability to increase convenience for the consumer when using.

Preferably, when using the device for implementing the present invention in practice - "a key case for fastening on a person's wrist" - no time is wasted searching for keys in hand bags, backpacks, pockets and other places of traditional storage and transportation of keys, all the keys necessary for the consumer are placed in the key case, which allows to significantly speed up the process of getting/using keys, with the possibility of increasing ergonomic properties.

Preferably, the device for implementing the present invention in practice is a “key case for fastening to a person’s wrist”; the upper layer is made of genuine leather, at the consumer’s request, with the inclusion of decorative elements (patches, etc.).

Preferably, the device for implementing the present invention - "a key case for fastening on a person's wrist" has a width at the location of the fastening system of at least 3 mm, with the possibility of the shape and appearance of the device satisfying the aesthetic and ergonomic needs of the consumer.

Preferably, in the device for implementing the present invention - "key case for fastening on a person's wrist" in the location of the hidden volumetric cavity for keys, there is an internal layer of natural materials.

Preferably, the device for implementing the present invention - "a key case for fastening on a person's wrist" - contains in its design paired extensions with smoothly concave/convex sides, with the possibility of giving the body a shape and size that maximally correspond to the anthropometric characteristics of the consumer's wrist, with the possibility of increasing safety with increased ergonomics, ensuring convenience during use.

Preferably, the device for implementing the present invention - "a key case for fastening on a human wrist" - comprises an internal molded retaining layer that has the following dimensions: a length corresponding to at least, for example, the length of a key, a width corresponding to at least, for example, the thickness of five keys, a height corresponding to the height of the case in the area of the volumetric cavity, with the possibility of placing/removing keys.

Preferably, the device for implementing the present invention - "a key case for fastening on a person's wrist" has an increased capacity for keys worn on the wrist, with the possibility of a capacity for storing and transporting at least 5 keys, with the possibility of creating a case with an increased capacity for storing, transporting and using keys.

Preferably, the device for implementing the present invention - "a key case for fastening to a person's wrist" - contains, for example, a loop, for example, for fastening a carabiner with keys, with the ability not to detach the key from the case fastened to a person's wrist during the process of using the key for its intended purpose, with the ability to hold the key during the process of using the key for its intended purpose, with the ability to increase the protection of keys from loss during use for its intended purpose.

Among the array of known devices, no such device has been found whose set of essential features coincides with the declared set of features of a “key case for fastening to a person’s wrist”, while at the same time, it is precisely due to the latter that a new technical result is achieved, which determines the presence of the declared device’s first qualifying feature of “world-class novelty”.

The set of distinctive essential features of the combination "key case for fastening on a human wrist" is not a simple sum of known technical results of using separately the elements of the key case for fastening on a human wrist. There is a "super-effect" (in the patent sense of this term), which was not obvious to a specialist from the achieved level of technology (of course, before considering the claimed technical solution). And taking into account the commercial success that contributes to the combination "key case for fastening on a human wrist". This convincingly demonstrates the inventive level of the combination "key case for fastening on a human wrist" as the second triad of qualified features of the invention.

The third qualifying feature - the industrial applicability of the combination "key case for fastening on a person's wrist" is also indisputable and follows not only from the presence of an experimental sample successfully tested by the author, but from the capabilities of modern industry.

Preferably, the device for practicing the present invention is a "wrist-mounted key case"

The combination of "key case for fastening on the wrist" is preferable as a device for storing, displaying and transporting keys as a product, and considering the number of directors of super-small enterprises, the number of individual entrepreneurs - directors of shops, showrooms and similar establishments in modern society, the commercial success is visible, contributing to the combination of "key case for fastening on the wrist".

Among the array of known devices, no such device has been found whose set of essential features coincides with the declared set of features of a “key case for fastening on the wrist”, while at the same time, it is precisely due to the latter that a new technical result is achieved, which determines the presence of the declared device’s first qualifying feature of “world-class novelty”.

The set of distinctive essential features of the combination "key case for fastening on the wrist" is not a simple sum of known technical results of using separately the elements of the key case for fastening on the wrist. There is a "super-effect" (in the patent sense of this term), which was not obvious to a specialist from the achieved level of technology (of course, before considering the claimed technical solution). And taking into account the commercial success that contributes to the combination "key case for fastening on the wrist". This convincingly demonstrates the inventive level of the combination "key case for fastening on the wrist", as the second triad of qualified features of the invention.

The third qualifying feature - the industrial applicability of the combination "key case for fastening on the wrist" - is also indisputable and follows not only from the presence of an experimental sample successfully tested by the author, but from the capabilities of modern industry.

Brief description of the drawings of the invention "elements of a wrist key case" and devices for implementing this invention in practice: "a key case for fastening on a human wrist", "a key case for fastening on a wrist".

Fig. 1 shows a view of the invention from the upper front side, where

1 - volumetric cavity;

2 - line of opening/closing of the volumetric cavity;

Fig. 2 shows a view from the bottom with the fastening system closed, where

1 - volumetric cavity;

3 - a line formed by connecting the smoothly concave sides of paired extensions;

4 - a line formed by connecting the smoothly curved sides of paired extensions;

8 - location of the fastening system;

Fig. 3 shows a side view of the front side, where

1 - volumetric cavity;

2 - line of opening/closing of the volumetric cavity;

3 - a line formed by connecting the smoothly concave sides of paired extensions.

Fig. 4 shows a side view along the elbow-wrist line, where

1 - volumetric cavity;

2 - line of opening/closing of the volumetric cavity;

8 - location of the fastening system;

Fig. 5 shows paired extensions with smoothly concave sides, where

3 - smoothly concave sides;

5 - common point of contact;

6 - distance between sides;

7 - the depth of curvature of the opposite sides.

Fig. 6 shows paired extensions with smoothly curved sides, where

4 - smoothly curved sides;

5 - common point of contact;

6 - distance between sides;

7 - the depth of curvature of the opposite sides.

Implementation of the invention "elements of a key case for fastening on the wrist" and devices for implementing this invention in practice: "a key case for fastening on a human wrist", "a key case for fastening on the wrist".

The composition "elements of a key case for fastening on a wrist" and "a key case for fastening on a human wrist", "a key case" contain a volumetric cavity (1) inside Fig. 1, Fig. 2, Fig. 3, Fig. 4. The volumetric cavity has an opening/closing system on the upper front side in the form of a figured line for opening/closing the volumetric cavity (2) Fig. 1, Fig. 3, Fig. 4.

On a sheet of genuine leather, paired extensions are cut out with smoothly concave (3) Fig. 5 and/or smoothly convex (4) Fig. 6 sides, the opposite sides of the paired extensions have a common point of contact on one side (5) Fig. 5, Fig. 6 and a distance between them on the other side (6) Fig. 5, Fig. 6.

Preferably, in the composition of the "elements of the key case for fastening on the wrist" and the "key case for fastening on the wrist of a person", "the key case for fastening on the wrist" in the design of the case, the common point of contact (5) of Fig. 5, Fig. 6 of the opposite sides of the paired extensions is located closer to the front part of the case.

To form a volumetric cavity, the smoothly concave (3) Fig. 2, Fig. 3 and/or smoothly convex (4) Fig. 2 sides of the paired extensions are connected to each other and the sides opposite in width of the case are connected to each other. The opposite sides of the paired extensions are smoothly concave (3) Fig. 5 and/or smoothly convex (4) Fig. 6, wherein:

- when increasing/decreasing the distance between the opposite sides of the paired extensions on one side (6) Fig. 5, Fig. 6,

- when increasing/decreasing the depth of concavity/convexity of the opposite sides of the paired extensions (7) Fig. 5, Fig. 6,

- when increasing/decreasing the length of each of the sides (3), (4) Fig. 5, Fig. 6 of the paired extensions, the capacity of the internal volumetric cavity (1) Fig. 1, Fig. 2, Fig. 3, Fig. 4 of the case increases/decreases accordingly, the shape of the case changes, with the possibility of increasing/decreasing the capacity of the volumetric cavity of the case, with the possibility of making the shape and size of the case that maximally correspond, for example, to the anthropometric characteristics of the wrist of a specific person and thereby ensuring convenience during use, with the possibility of making the shape and size of the case that maximally correspond to the shape and size of the support device, with the possibility of having the shape and size of the volumetric cavity of the case corresponding to the shape and size of the keys, with the possibility of the case holding an object intended for storage, transportation on a person's wrist, with the possibility of fastening around the support device, the person's wrist.

A coupling system (8) of Fig. 4, consisting of a “snap fastener”, Velcro or magnet, is attached to the narrow ends of the case opposite in length, and the width of the case at the narrow ends is at least 3 mm.

Design option for the volumetric cavity of the case:

- along the length of the case there are mirror-like paired extensions with smoothly concave sides, three in number on the upper front surface (3) Fig. 2, Fig. 3 and two in number on the lower one,

- on the sides opposite in width of the case, two paired extensions with smoothly curved sides (4) of Fig. 2 are mirror-like arranged, and from these on each side, there are paired extensions with smoothly concave sides (3) of Fig. 2. On the front side of the volumetric cavity, a system for opening/closing the volumetric cavity is implemented, the opening/closing system consists of a figured opening/closing line (2) of Fig. 1, Fig. 3, Fig. 4, and the connection along the opening/closing line is performed using a magnetic tape, with the possibility of holding the keys during storage and transportation.

On the inside of the volumetric cavity of the case there is a holding material made of cardboard, polypropylene, plastic, and on one side there is a loop (not specified), for example, for attaching a carabiner with keys, with the ability to hold the keys during use for their intended purpose.

In the location of the hidden volumetric cavity, an internal layer of natural materials is attached to the form of the holding material, with the possibility of increasing the aesthetic and ergonomic characteristics of the devices.

When using the invention and devices for its implementation in practice, the design uses paired extensions with smoothly concave (3) Fig. 5 and/or smoothly convex (4) Fig. 6 sides,

- when increasing/decreasing the distance between the opposite sides of the paired extensions on one side (6) Fig. 5, Fig. 6,

- when increasing/decreasing the depth of concavity/convexity of the opposite sides of the paired extensions (7) Fig. 5, Fig. 6,

- when increasing/decreasing the length of each of the sides (3), (4) Fig. 5, Fig. 6 of the paired extensions, the capacity of the internal volumetric cavity (1) Fig. 1, Fig. 2, Fig. 3, Fig. 4 of the case increases/decreases accordingly, the shape of the case changes, with the possibility of increasing/decreasing the capacity of the volumetric cavity of the case, with the possibility of making the shape and size of the case that maximally correspond, for example, to the anthropometric characteristics of the wrist of a specific person and thereby ensuring convenience during use, with the possibility of making the shape and size of the case that maximally correspond to the shape and size of the support device, with the possibility of having the shape and size of the volumetric cavity of the case corresponding to the shape and size of the keys, with the possibility of the case holding an object intended for storage, transportation on a person's wrist, with the possibility of fastening around the support device or a person's wrist.

In the "key case for fastening on a person's wrist" in the design execution of a volumetric cavity:

- along the length of the case, there are mirror-like paired extensions with smoothly concave sides, three in number on the upper front surface (3) Fig. 2, Fig. 3 and two in number on the lower surface (not shown),

- on the sides opposite in width of the case, two paired extensions with smoothly curved sides (4) of Fig. 2 are mirror-like arranged, and from these on each side, there are paired extensions with smoothly concave sides (3) of Fig. 2. On the front side of the volumetric cavity, a system for opening/closing the volumetric cavity is implemented, the opening/closing system consists of a figured opening/closing line (2) of Fig. 1, Fig. 3, Fig. 4, and the connection along the opening/closing line is performed using a magnetic tape, with the possibility of holding the keys during storage and transportation.

When used in practice, the "key case for fastening on a person's wrist" provides a capacity of the volumetric cavity for at least five keys, with the possibility of the case holding, for example, keys during storage, transportation on the wrist, and with the possibility of not disconnecting the key from the volumetric cavity during the process of using the key for its intended purpose.

When used in practice, the “key case” in showrooms, stores for demonstrating, for example, a key in the form of a product using, if necessary, a third-party object in the form of a rod or rubber band, adhesive tape to hold the opening/closing system of the volumetric cavity in an open state, the “key case” with the product placed inside is placed on the wrist of a mannequin.

When used in practice, the "key case for fastening on a person's wrist" is put on a person's wrist according to the principle of putting on bracelets, the fastening system (8) is closed (Fig. 2, Fig. 4). The opening/closing system of the volumetric cavity is opened, the required key is taken, which, for example, is held on a loop, for example, with the help of a carabiner, and is used for its intended purpose.

Industrial applicability.

The proposed combination of elements of the key case on the wrist has a number of advantages over the prototype.

The use of smoothly concave and/or smoothly convex sides of paired extensions connected in a mirror-like manner in the design allows for an increase/decrease in the capacity of the volumetric cavity of the case, and allows for the creation of a volumetric cavity of the required shape.

The use of a system for opening/closing the volumetric cavity of the case allows, without removing the case from the person's wrist, without disconnecting, for example, the key to the apartment from the case, to use the key for its intended purpose, with the possibility of increased protection against loss of the key during storage, transportation and during use for its intended purpose.

"key case for attaching to a person's wrist" provides increased protection against loss of keys during storage, transportation and during use for its intended purpose and can be easily claimed and implemented to meet human life needs.

"Wrist key case" allows the key to be held, stored, and attached to supporting devices in the form of a mannequin's wrist in the sales area of a store or exhibition hall as a product.

Claims (9)

1. A key case for fastening on the wrist, made of genuine leather from paired extensions, the opposite sides of each extension are smoothly concave or smoothly convex and have a common point of contact on one side, and a distance between them, on the other side, wherein the paired extensions are arranged in a mirror image, three along the length and two along the width, wherein the paired extensions are connected along the opposite sides, which are smoothly concave or smoothly convex, and at the same time the opposite sides of the key case are connected along the width with the possibility of forming a volumetric cavity inside the key case; on the inner side of the volumetric cavity of the key case there is a molded holding material, and on the upper front side of the key case there is a figured system for opening/closing the cavity of the key case using a magnetic tape, wherein on the inner side of the volumetric cavity there is a loop for the possibility of attaching a carabiner with keys; Moreover, to secure the key case to the wrist, paired extensions are made on opposite sides of the key case, at the ends of which the clutch system is secured. 2. The key case according to item 1 is distinguished in that the fastenings of the key case to the wrist are made along the width of the key case. 3. The key case according to item 1 is characterized in that the fastenings of the key case to the wrist are made along the length of the key case. 4. The key case according to item 1 is distinguished in that the opposite sides of the case along the width are connected by a stitch. 5. The key case according to item 1 is characterized in that the width of the adhesion of the ends of the paired extensions is at least 3 mm. 6. The key case according to item 1 is distinguished in that the fastenings of the key case on the wrist are made in the form of a snap fastener or magnets. 7. The key case according to item 1 is distinguished by the fact that the paired extensions are connected along smoothly concave or smoothly convex opposite sides with a stitch. 8. The key case according to item 1 is distinguished by the fact that the holding material is made of cardboard, polypropylene, or plastic. 9. The key case according to item 1 is distinguished by the fact that the loop is made of genuine leather.

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