CA1149561A - Connector - Google Patents
ConnectorInfo
- Publication number
- CA1149561A CA1149561A CA000370677A CA370677A CA1149561A CA 1149561 A CA1149561 A CA 1149561A CA 000370677 A CA000370677 A CA 000370677A CA 370677 A CA370677 A CA 370677A CA 1149561 A CA1149561 A CA 1149561A
- Authority
- CA
- Canada
- Prior art keywords
- connector
- insert member
- spherical projections
- peripheral portion
- article
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
S P E C I F I C A T I O N
To All Whom It May Concern:
BE IT KNOWN THAT I, Ichiro Miyoshi, a Japanese citizen residing at 2-11-746, Asahigaoka, Tarumi-ku, Kobe-shi, Hyogo-ken, Japan, have invented certain new and useful improvements in:
" CONNECTOR ", of which the following is a specification.
Abstract of the Disclosure Disclosed is a connector for detachably and rotatably connecting one article to another article, which comprises an insert member to be attached to said one article and a receiving member having a space for insertion of said insert member, which is to be attached to said another member, wherein said insert member has an engaging annular peripheral portion having a void or hollow at the center thereof, a pair of spherical projections capable of elastic and reversional deformation are arranged in the insertion space of the receiving member to confront each other, and such a dimensional relation is established between the engaging annular peripheral portion and the spherical projections that the distance between apexes of the spherical projections is smaller than the thickness of the engaging annular peripheral portion and when said insert member is inserted into the receiving member, the engaging annular peripheral portion is rotatably gripped and supported by the peripheral parts of the paired spherical projections. This connector has a simple structure and is excellent in the stoutness and the adaptability to the operations of attaching two articles to each other and detaching them from each other. This connector is used especially suitably for detachably and rotatably connecting a mop handle and a mop supporting frame in a large-size floor cleaner.
- 1? -
To All Whom It May Concern:
BE IT KNOWN THAT I, Ichiro Miyoshi, a Japanese citizen residing at 2-11-746, Asahigaoka, Tarumi-ku, Kobe-shi, Hyogo-ken, Japan, have invented certain new and useful improvements in:
" CONNECTOR ", of which the following is a specification.
Abstract of the Disclosure Disclosed is a connector for detachably and rotatably connecting one article to another article, which comprises an insert member to be attached to said one article and a receiving member having a space for insertion of said insert member, which is to be attached to said another member, wherein said insert member has an engaging annular peripheral portion having a void or hollow at the center thereof, a pair of spherical projections capable of elastic and reversional deformation are arranged in the insertion space of the receiving member to confront each other, and such a dimensional relation is established between the engaging annular peripheral portion and the spherical projections that the distance between apexes of the spherical projections is smaller than the thickness of the engaging annular peripheral portion and when said insert member is inserted into the receiving member, the engaging annular peripheral portion is rotatably gripped and supported by the peripheral parts of the paired spherical projections. This connector has a simple structure and is excellent in the stoutness and the adaptability to the operations of attaching two articles to each other and detaching them from each other. This connector is used especially suitably for detachably and rotatably connecting a mop handle and a mop supporting frame in a large-size floor cleaner.
- 1? -
Description
~ 6 Back round of -the Invention (1) Field of -the Invention:
The present inven-tion rela-tes to a co~ector for connecting detachably and rota-tably a plurality of articles, especially a mop handle and a mop supportin~
frame. More particularly, the present invention relates to a connector in ~hich the structural elements are very simple and the entire structure is much simplified and which is excellent in the stoutness and the adaptabili~ty to the attaching and detaching opera-tions.
The present inven-tion rela-tes to a co~ector for connecting detachably and rota-tably a plurality of articles, especially a mop handle and a mop supportin~
frame. More particularly, the present invention relates to a connector in ~hich the structural elements are very simple and the entire structure is much simplified and which is excellent in the stoutness and the adaptabili~ty to the attaching and detaching opera-tions.
(2) Description of` the Prior Art:
In a lar~e cleaning mop for business purpose, which is used for cleaning a broad floor surface, the size of a supporting frame for supporting a mop is increased, and accordingly, in order to facilitate keeping and transfer of the cleaning mop, it is required that the mop supporting frame should detachably be connected to a handle and in order to facilita-te the cleaning operation, i-t is required that the handle should be rotated in an op-tional direc-tion with respect to the mop supporting frame.
However, if it is intended to construct a connector having func-tions capable of satisfying these requirements, the structure of the connector inevitably becomes complica-tes and it is often difficult -to impart to the connector a stoutness capable of resisting a rough handling. For example, in case of a connector excellent in -the adaptability to the attaching and detaching opera-tions, accidental detachment of a mop suppor-ting frame from a handle is often caused during the cleanin~ operation. Fur-thermore, even in case of a connector in which -the frequency of` occurrence :of this ~mdesirable phenomenon is rela-tivel~ reduced, while the rotatin~ and detaching-at-taching opera-tions are repeated for a long period of time~ detachment is liable to occur accidentally during the cleaning operation urlder application of a relatively small force.
Summary of the Inv ntion It is therefore a prima~ry object of the present inven-tion to provide a connector for detachably and rota-tably connecting two articles, which has simple s-tructure constructed by a small number of elements and which is e~cellent in the stoutness and the adaptability to the attaching-detaching operation.
Another object of the presen-t invention is -to provide a connec-tor for a mop cleaner~ in which accidental de-tachment of a mop supporting frame from a mop handle is prevented during the ordinary cleaning operation and the operation of detaching the mop supporting frame from the mop handle can be accomplished very easily.
In accordance with the fundamental aspect of -the pre-sent invention, there is provided a connector for detachablyand rotatably connecting one article to ano-ther ar-ticle, which comprises an insert r.-ember -to be attached to said one article and a receiving member having a space for insertion of said insert member, which is to be attached to said another member, wherein said insert member has an engaging annular peripheral por-tion having a vvid or hollow at -the center thereo~, a pair of spherical projecti~ns capable of elastic and reversional deformation are arran~ed in the insertion space of the receiving member t~ confront each other, and such a dimensional relation is es-tablished be-tween the engaging annular peripheral port~on and -the spherical projec-tions that the dis-tance between apexes of the spherical pro~ections is smaller -than the thickness of the engaging annular peripheral portion and ~/hen said insert member is inserted into -the receiving member, the engaging annular peripheral portion is rotatably gripped and supported by the peripheral parts of the paired spherical pro~ec-tions, Brief ~ tion of the Drawin~s Fig. 1 is a perspective view showing an assembly o~ a mop supporting frame and a mop handle in which the connector of the present in~ention is used.
Fig. ~ is a sectional partial side view of the connec-tor of the present invention.
Fig. 3 is a view showing the section taken along -the line III-III in Fig. 2.
Detailed Descri -tion of the Preferred Embodiments The connector of the presen-t invention can be used for openably and detachably connec-ting two optional articles, such as a wall member and a door, to each other. However~
-the connector of the present invention is especially suitable for connecting a mop supporting frame and a mop handle de-tachably and rota-tably -to each other in a mop cleaner.
Accordingly, the present inven-tion will now be described in detail mainly with reference -to this embodimen-t.
The structure of` a mop holding member is schematically illustrated in Fig. 1. Referring to Fig. 1, this mop holding member comprises a mop suppor-ting frame generally represen-ted by reference numeral 1, a mop handle generally represen-ted by reference numeral 2 and a connector described hereinafter.
~ 4 ~
The mop supporting frame 1 comprises a frame 3 for supporting a mop and 3 horizontal shaft 4 attached -thereto~
Re~errin~ to Figs. 2 and 3 illustrating -the struc-ture of the connector according to the present invention in detail, the connector comprises an insert member 5 at-tached to one end of the mop handle 2 and a receiving member 6 rotatably attached to -the horizontal shaft 4 of -the mop supporting frame 1. The insert member 5 has an engaging annular peripheral portion 7 havin~ a void or hollow at -the center thereof. In the emhodiment specifically illustra-ted in the accomapnying drawings, -the insert member 5 is for~ed of a ri~id round metal rod or pipe and it includes two legs 8 extending straigh-t from the handle 2 and the annular portion 7 connected to the legs 8. The ends of the two le~s 8 are welded to a disc 9 having the same size as -that of the sec-tion of the handle 2, and this disc 9 is secured to one end portion of the handle 2 through a cover 10 formed of a bottomed cylinder and a rive-t 11'.
The receiving member 6 i5 rotatably attached around the horizontal shaft 4 of -the mop supporting frame 1, and a space 11 ~or insertion of the insert member 5 is formed in the interior of the receiving member 6. A pair of spherical projections 12A and 12B capable of elastic end reversional deformation are arran~ed in this space 11 to(~onfront each other. In the embodiment specifically disclosed in the accompanying drawings, -the receiving member 6 is comprised of outer metallic covers 13A and 13B and inner synthetic resin members 14A and 14B, and these member~ are arranged so that -they can be spli-t from one another along the vertical section. The inner members 14~ and 14B are formed in-tegrally 9 ~! ' with the spherical projections 12~ and 12B, respec-tively7 and semi-circular grooves 15A and 15B for receivin~ -the horizontal shaft 4 are ~ormed in the lower portions of the inner members 14.~ and 14B, respectively. In order to keep 5 the spherical injec-tions 12A and 12B -to be capable of elas-tic and reversional deforma-tlon, the injections 12A and 12B
are formed so that in each projection, the -thickness is reduced toward th~ center ( apex ) from the peripheral portion.
In one preferred embodiment of -the present inven-tion, as shown in Fig. 2, a ~reat number of notches or thin parts 16 are aligned in the radial direction in the spherical projections 12A and 12B. In this embodiment, even if the spherical projections have a relatively large thickness, elastic and reversional deformation is readily caused in -the spherical projections As the synthetic resin for formation of the spherical in~ections 12A and 12B, -there are preferably used synthetic resins excellent in -the mechanical properties, such as nylon resins, e.g., polyhexamethylene-adipamide, acetal resins, e.g., polyoxyme-thylene, and polyolefin resins, e,g. 7 poly-propylene.
Attachment of -the receiving member 6 to the horizontal shaf-t 4 of the mop supporting frame 1 can easily be accomplished by fi-tting the horizontal shaft 4 in the grooves 15A and 15B of the inner members 14A and 14B and clamping them integrally toge-ther with the outer cov~rs 13A
and 13B by means of clamping bol-ts 17 In the connec-tor of -the present inventlon, -the inser-t member 5 and receiving member 6 are arranged so as -to establish such a dimensional relation -tha-t the dis-tance between the ape~es of the spherical projections 12A and 12B
is smaller than the thickness of the engaging annular spherical portion 7 of the insert member 5 and when the insert member 5 i5 inserted into the receiving nmember 5, the engaging S annular peripheral portion 7 is rotatably gripped and supported by the peripheral par-ts of the paired spherical projections 12A and 123.
~ en it is intended to connect the mop suppor-ting frame 1 to the mop handle 2, the insert member 5 of the connector is inserted in-to the insertion space 11 of the receiving member 6 A-t this poi~nt~ the apexes of -the spherical proJections 12A and 12B are pressed by the engaging annular peripheral portion 7 of the insert member 5, whereby elastic and reversional defor-mation is caused in the spherical projections 12A and 12B in such a manner that the apexes of the spherical projections 12A and 12B sink. Thus, the insert member 5 is inserted and settled at a predetermined ; position, and in -this s-tate, the peripheral parts of the spherical projections 12A and 12B are engaged with the engaging annular peripheral portion 7 of -the inser-t member 5, Thus, the connection of both members is completed. Since the spherical projec-tions 12A and 12B are promptly resto~d just a~ter deformation, engagemen-t and connection of both members can be accomplished very easily by a one-touch operation of pushing -the insert member on the top end of the handle into the receiving member.
In the connector of the present invention, while -the spherical projec-tions 12A and 12B of the receiving member 6 are kept engaged with -the engaging annular peripheral portion 7 of -the inser-t member 5, since no subs-tan~tial force is 5~
imposed between both members 5 and 6, bo-th the members 5 and 6 are not damaged or worn away during the handle--turning op~ration at all. ~urthermore, since a force substan~tially equal to the force required for insertion of the inser-t member 5 into the receiving member 6 is necessary for detachment of the insert member 5 from -the receiving member 6, accidental separation of both the members can effec-ti-vely be prevented. This is another advantage attained by the present invention. Incidentally, separàtion of -the mop supporting frame 1 from -the handle 2 can easily be accomplished by a one-touch operation of pullin~ up the handle 2 while pushing the mop supporting frame 1 by -the foot.
In a lar~e cleaning mop for business purpose, which is used for cleaning a broad floor surface, the size of a supporting frame for supporting a mop is increased, and accordingly, in order to facilitate keeping and transfer of the cleaning mop, it is required that the mop supporting frame should detachably be connected to a handle and in order to facilita-te the cleaning operation, i-t is required that the handle should be rotated in an op-tional direc-tion with respect to the mop supporting frame.
However, if it is intended to construct a connector having func-tions capable of satisfying these requirements, the structure of the connector inevitably becomes complica-tes and it is often difficult -to impart to the connector a stoutness capable of resisting a rough handling. For example, in case of a connector excellent in -the adaptability to the attaching and detaching opera-tions, accidental detachment of a mop suppor-ting frame from a handle is often caused during the cleanin~ operation. Fur-thermore, even in case of a connector in which -the frequency of` occurrence :of this ~mdesirable phenomenon is rela-tivel~ reduced, while the rotatin~ and detaching-at-taching opera-tions are repeated for a long period of time~ detachment is liable to occur accidentally during the cleaning operation urlder application of a relatively small force.
Summary of the Inv ntion It is therefore a prima~ry object of the present inven-tion to provide a connector for detachably and rota-tably connecting two articles, which has simple s-tructure constructed by a small number of elements and which is e~cellent in the stoutness and the adaptability to the attaching-detaching operation.
Another object of the presen-t invention is -to provide a connec-tor for a mop cleaner~ in which accidental de-tachment of a mop supporting frame from a mop handle is prevented during the ordinary cleaning operation and the operation of detaching the mop supporting frame from the mop handle can be accomplished very easily.
In accordance with the fundamental aspect of -the pre-sent invention, there is provided a connector for detachablyand rotatably connecting one article to ano-ther ar-ticle, which comprises an insert r.-ember -to be attached to said one article and a receiving member having a space for insertion of said insert member, which is to be attached to said another member, wherein said insert member has an engaging annular peripheral por-tion having a vvid or hollow at -the center thereo~, a pair of spherical projecti~ns capable of elastic and reversional deformation are arran~ed in the insertion space of the receiving member t~ confront each other, and such a dimensional relation is es-tablished be-tween the engaging annular peripheral port~on and -the spherical projec-tions that the dis-tance between apexes of the spherical pro~ections is smaller -than the thickness of the engaging annular peripheral portion and ~/hen said insert member is inserted into -the receiving member, the engaging annular peripheral portion is rotatably gripped and supported by the peripheral parts of the paired spherical pro~ec-tions, Brief ~ tion of the Drawin~s Fig. 1 is a perspective view showing an assembly o~ a mop supporting frame and a mop handle in which the connector of the present in~ention is used.
Fig. ~ is a sectional partial side view of the connec-tor of the present invention.
Fig. 3 is a view showing the section taken along -the line III-III in Fig. 2.
Detailed Descri -tion of the Preferred Embodiments The connector of the presen-t invention can be used for openably and detachably connec-ting two optional articles, such as a wall member and a door, to each other. However~
-the connector of the present invention is especially suitable for connecting a mop supporting frame and a mop handle de-tachably and rota-tably -to each other in a mop cleaner.
Accordingly, the present inven-tion will now be described in detail mainly with reference -to this embodimen-t.
The structure of` a mop holding member is schematically illustrated in Fig. 1. Referring to Fig. 1, this mop holding member comprises a mop suppor-ting frame generally represen-ted by reference numeral 1, a mop handle generally represen-ted by reference numeral 2 and a connector described hereinafter.
~ 4 ~
The mop supporting frame 1 comprises a frame 3 for supporting a mop and 3 horizontal shaft 4 attached -thereto~
Re~errin~ to Figs. 2 and 3 illustrating -the struc-ture of the connector according to the present invention in detail, the connector comprises an insert member 5 at-tached to one end of the mop handle 2 and a receiving member 6 rotatably attached to -the horizontal shaft 4 of -the mop supporting frame 1. The insert member 5 has an engaging annular peripheral portion 7 havin~ a void or hollow at -the center thereof. In the emhodiment specifically illustra-ted in the accomapnying drawings, -the insert member 5 is for~ed of a ri~id round metal rod or pipe and it includes two legs 8 extending straigh-t from the handle 2 and the annular portion 7 connected to the legs 8. The ends of the two le~s 8 are welded to a disc 9 having the same size as -that of the sec-tion of the handle 2, and this disc 9 is secured to one end portion of the handle 2 through a cover 10 formed of a bottomed cylinder and a rive-t 11'.
The receiving member 6 i5 rotatably attached around the horizontal shaft 4 of -the mop supporting frame 1, and a space 11 ~or insertion of the insert member 5 is formed in the interior of the receiving member 6. A pair of spherical projections 12A and 12B capable of elastic end reversional deformation are arran~ed in this space 11 to(~onfront each other. In the embodiment specifically disclosed in the accompanying drawings, -the receiving member 6 is comprised of outer metallic covers 13A and 13B and inner synthetic resin members 14A and 14B, and these member~ are arranged so that -they can be spli-t from one another along the vertical section. The inner members 14~ and 14B are formed in-tegrally 9 ~! ' with the spherical projections 12~ and 12B, respec-tively7 and semi-circular grooves 15A and 15B for receivin~ -the horizontal shaft 4 are ~ormed in the lower portions of the inner members 14.~ and 14B, respectively. In order to keep 5 the spherical injec-tions 12A and 12B -to be capable of elas-tic and reversional deforma-tlon, the injections 12A and 12B
are formed so that in each projection, the -thickness is reduced toward th~ center ( apex ) from the peripheral portion.
In one preferred embodiment of -the present inven-tion, as shown in Fig. 2, a ~reat number of notches or thin parts 16 are aligned in the radial direction in the spherical projections 12A and 12B. In this embodiment, even if the spherical projections have a relatively large thickness, elastic and reversional deformation is readily caused in -the spherical projections As the synthetic resin for formation of the spherical in~ections 12A and 12B, -there are preferably used synthetic resins excellent in -the mechanical properties, such as nylon resins, e.g., polyhexamethylene-adipamide, acetal resins, e.g., polyoxyme-thylene, and polyolefin resins, e,g. 7 poly-propylene.
Attachment of -the receiving member 6 to the horizontal shaf-t 4 of the mop supporting frame 1 can easily be accomplished by fi-tting the horizontal shaft 4 in the grooves 15A and 15B of the inner members 14A and 14B and clamping them integrally toge-ther with the outer cov~rs 13A
and 13B by means of clamping bol-ts 17 In the connec-tor of -the present inventlon, -the inser-t member 5 and receiving member 6 are arranged so as -to establish such a dimensional relation -tha-t the dis-tance between the ape~es of the spherical projections 12A and 12B
is smaller than the thickness of the engaging annular spherical portion 7 of the insert member 5 and when the insert member 5 i5 inserted into the receiving nmember 5, the engaging S annular peripheral portion 7 is rotatably gripped and supported by the peripheral par-ts of the paired spherical projections 12A and 123.
~ en it is intended to connect the mop suppor-ting frame 1 to the mop handle 2, the insert member 5 of the connector is inserted in-to the insertion space 11 of the receiving member 6 A-t this poi~nt~ the apexes of -the spherical proJections 12A and 12B are pressed by the engaging annular peripheral portion 7 of the insert member 5, whereby elastic and reversional defor-mation is caused in the spherical projections 12A and 12B in such a manner that the apexes of the spherical projections 12A and 12B sink. Thus, the insert member 5 is inserted and settled at a predetermined ; position, and in -this s-tate, the peripheral parts of the spherical projections 12A and 12B are engaged with the engaging annular peripheral portion 7 of -the inser-t member 5, Thus, the connection of both members is completed. Since the spherical projec-tions 12A and 12B are promptly resto~d just a~ter deformation, engagemen-t and connection of both members can be accomplished very easily by a one-touch operation of pushing -the insert member on the top end of the handle into the receiving member.
In the connector of the present invention, while -the spherical projec-tions 12A and 12B of the receiving member 6 are kept engaged with -the engaging annular peripheral portion 7 of -the inser-t member 5, since no subs-tan~tial force is 5~
imposed between both members 5 and 6, bo-th the members 5 and 6 are not damaged or worn away during the handle--turning op~ration at all. ~urthermore, since a force substan~tially equal to the force required for insertion of the inser-t member 5 into the receiving member 6 is necessary for detachment of the insert member 5 from -the receiving member 6, accidental separation of both the members can effec-ti-vely be prevented. This is another advantage attained by the present invention. Incidentally, separàtion of -the mop supporting frame 1 from -the handle 2 can easily be accomplished by a one-touch operation of pullin~ up the handle 2 while pushing the mop supporting frame 1 by -the foot.
Claims (5)
1. A connector for detachably and rotatably connecting one article to another article, which comprises an insert member to be attached to said one article and a receiving member having; a space for insertion of said insert member, which is to be attached to said another member, wherein said insert member has an engaging annular peripheral por-tion having a void or hollow at the center thereof, a pair of spherical projections capable of elastic and reversional deformation are arranged in the insertion space of the recei-ving member to confront each other, and such a dimensional relation is established between the engaging annular peripheral portion and the spherical projections that the distance between apexes of the spherical projections is smaller than the thickness of the engaging annular peripheral portion and when said insert member is inserted into the receiving member, the engaging annular peripheral portion is rotatably gripped and supported by the peripheral parts of the paired spherical projections.
2. A connector as set forth in claim 1, wherein said one article is a mop handle and said another article is a mop supporting frame.
3. A connector as set forth in claim 1, wherein in each of said spherical projections, the thickness of the apex is smaller than the thickness of the peripheral part.
4. A connector as set forth in claim 1 or 3, wherein in each of said spherical projections, a great number of notches or thin parts are aligned in the radial direction.
5. A connector as set forth in claim 1, wherein said insert member is formed of a round metal rod or pipe and said insert member comprises two legs extending straight and an annular portion connected thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000370677A CA1149561A (en) | 1981-02-11 | 1981-02-11 | Connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000370677A CA1149561A (en) | 1981-02-11 | 1981-02-11 | Connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149561A true CA1149561A (en) | 1983-07-12 |
Family
ID=4119168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000370677A Expired CA1149561A (en) | 1981-02-11 | 1981-02-11 | Connector |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1149561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD423742S (en) | 1998-09-29 | 2000-04-25 | The Procter & Gamble Company | Dusting mop |
| US6305046B1 (en) | 1998-06-02 | 2001-10-23 | The Procter & Gamble Company | Cleaning implements having structures for retaining a sheet |
| USD487173S1 (en) | 2002-07-16 | 2004-02-24 | The Procter & Gamble Company | Gripper |
-
1981
- 1981-02-11 CA CA000370677A patent/CA1149561A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6305046B1 (en) | 1998-06-02 | 2001-10-23 | The Procter & Gamble Company | Cleaning implements having structures for retaining a sheet |
| US6484346B2 (en) | 1998-06-02 | 2002-11-26 | The Procter & Gamble Company | Cleaning implements having structures for retaining a sheet |
| US6651290B2 (en) | 1998-06-02 | 2003-11-25 | The Procter & Gamble Company | Cleaning implements having structures for retaining a sheet |
| USD423742S (en) | 1998-09-29 | 2000-04-25 | The Procter & Gamble Company | Dusting mop |
| USD487173S1 (en) | 2002-07-16 | 2004-02-24 | The Procter & Gamble Company | Gripper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |