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WO1992013745A1 - Trolley - Google Patents

Trolley Download PDF

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Publication number
WO1992013745A1
WO1992013745A1 PCT/AU1991/000353 AU9100353W WO9213745A1 WO 1992013745 A1 WO1992013745 A1 WO 1992013745A1 AU 9100353 W AU9100353 W AU 9100353W WO 9213745 A1 WO9213745 A1 WO 9213745A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
levering
load carrying
main frame
load
Prior art date
Application number
PCT/AU1991/000353
Other languages
French (fr)
Inventor
Robert Patrick Sheehy
Original Assignee
Robert Patrick Sheehy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Patrick Sheehy filed Critical Robert Patrick Sheehy
Publication of WO1992013745A1 publication Critical patent/WO1992013745A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0003—Adaptations for loading in or on a vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
    • B62B1/14—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2203/00—Grasping, holding, supporting the objects
    • B62B2203/10—Grasping, holding, supporting the objects comprising lifting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2203/00—Grasping, holding, supporting the objects
    • B62B2203/20—Grasping, holding, supporting the objects using forks or tines

Definitions

  • THIS INVENTION relates to trolleys or carts which may be used to transfer a load from one place to another.
  • the invention relates to hand trolleys which are used for manually transferring a load from one place to another and also from one height to another.
  • Hand trolleys are generally satisfactory for the manual transfer of a load from one place to another where the load is taken from a position at or near ground level to another position at or near ground level.
  • hand trolleys are generally unsatisfactory where it is necessary to subsequently lift the load from the trolley onto a platform or the like or to a second position of any type which is at a higher level than the level at which the load is carried on the trolley.
  • the present invention provides a hand trolley which is capable of use in a first normal mode and a second raised mode, said trolley comprising a main frame being generally elongate so as to have a top end and a bottom end and having load stabilising means and ground engaging means located at or towards the bottom end thereof; a levering frame being generally elongate and having at least one handle at one end thereof; and a load carrying frame, at least a portion of which underlies a load in both the first and second modes; wherein the levering frame is pivotally connected at the other end thereof to the load carrying frame, and the levering frame is also pivotally connected intermediate the ends thereof to the main frame at a location intermediate the top and bottom ends thereof to define a major pivotal axis, such that when the main frame is generally upright lowering of the one end of the levering frame pivots the levering frame about the major pivotal axis to raise the load carrying frame.
  • the load carrying frame has a generally elongate rear frame and a forwardly extending load carrying means secured thereto.
  • the pivotal connection of the load carrying frame with the levering frame may be at the lower end of the rear frame adjacent the rear end of the load carrying means. It is the load carrying means which underlies a load in both the first and second modes of operation.
  • the rear frame of the load carrying frame preferably also remains generally upright as the one end of the levering frame is lowered and the load carrying frame is subsequently raised. This may be achieved by having an upper support means extending between, and being pivotally attached to each of the main frame and the rear frame. Preferably, these pivotal attachments are at or towards the top end of the main frame and the upper end of the rear frame.
  • the hand trolley of the present invention may also include means for locking the load carrying frame in at least one raised position for use in the second mode of operation.
  • the locking means may be provided at the top end of the main frame to engage with the upper support means as the load carrying frame is raised.
  • the han d trolley may also include means for securing the levering frame to the main frame to prevent raising of the load carrying frame, and to allow a user to operate the hand trolley in its first mode of operation.
  • the securing means is capable of securing the levering frame in substantially parallel alignment with the main frame, at which time the rear frame of the load carrying frame will also be in substantially parallel alignment with the main frame.
  • the present invention provides a hand trolley which allows a user to place a load thereon which may be transferre d to anot h er place by the normal operation o f t h e trolley. If the load then needs to be lifted to a high p l atform or into t h e back of a truck or the like, the user may sit the trolley in its upright position, grip the handle, and lower the levering frame by pushing down thereon to raise the load to a given height. The load may then be taken from the trolley in the raised position and placed on the platform or in the back of the truck without having to bend to physically lift the load.
  • the relative lengths of the distances between the major pivotal axis and the handle of the levering frame, and the major pivotal axis and the point of pivotal connection thereof with the load carrying frame may be such that due to the levering action less force is required than the equivalent force that would be required to physically lift the load.
  • the trolley of the present invention may take advantage of normal lever mechanics to provide additional benefits.
  • Figure 1 is a perspective view of a trolley according to a preferred embodiment of the invention in the first mode of operation
  • Figure 2 is a perspective view of the embodiment of
  • Figure 3 is a schematic side view of the embodiment of
  • Figure 4 is a schematic side view of the embodiment of
  • a hand trolley 10 is illustrated having a main frame 12, a levering frame 14 and a load carrying frame 16.
  • the main frame 12 is generally elongate and has a top end 18 and a bottom end 20.
  • the bottom end 20 has ground engaging means in the form of two wheels 22 and has a load stabilising means in the form of two forwardly extending arms 24.
  • the main frame 12 is illustrated in its generally upright position.
  • the levering frame 14 includes handles 26 at one end thereof. At the other end thereof the levering frame 14 is pivotally attached to the lower end of the load carrying frame 16 (that pivotal attachment is indicated at A) .
  • the levering frame 14 is also pivotally attached at B (which is the major pivotal axis) to respective upright frame members 28 of the main frame 12.
  • the handles 26 may be raised and lowered in order to pivot the levering frame about major pivotal axis B to raise and lower the load carrying frame 16.
  • the load carrying frame 16 remains substantially upright. In this way, a load carried by the forwardly extending load carrying arms 30 and supported by the rear frame 32 remains stable.
  • an upper support means is provided.
  • the upper support means is in the form of two cross members 34 pivotally attached at either end thereof to the rear frame 32 and the main frame 12.
  • the hand trolley also includes means for locking the load carrying frame in a raised position for use in the second mode of operation.
  • the locking means is illustrated in Figure 4 where there is provided a pivotal clip 36 which is pivotally attached at the top end of main frame 12.
  • the pivotal clip 36 is also shown in Figure 1.
  • the pivotal clip 36 is capable of engaging a cross member 38 which is rigidly secured between the two members 34 of the upper support means. In order to release the pivotal clip 36 from the cross beam 38 pressure is applied to the flange 40 by the user. The load carrying frame 16 may then be lowered to its position in the first mode of operation.
  • locking means may be provided which allows for locking of the load carrying frame in more than one raised position.
  • the hand trolley also includes a means for securing the levering frame to the main frame when in the upright position in the first mode of operation so that the hand trolley may be used as a normal hand trolley.
  • Figure 3 and Figure 4 illustrate a pivotal clamp 42 which is pivotally attached at the top end of main frame 12.
  • the pivotal clamp 42 may be pivoted to seat over the cross member 44 of the levering frame 14 when that cross member 44 locates immediately above and adjacent to the top member of the main frame 12.
  • the cross member 44 has a secondary use in that when a user lowers the handles 26 to raise a load the user may place their foot on the cross member 44 in order to push the levering frame further down. In this way, the levering frame may be lowered by the hands to a point where the feet may then be used thus avoiding the need for any bending over, and also allowing the use of a more powerful force such as is provided by a person's legs.
  • the two wheels illustrated in the drawings may be substituted by a single wheel or by a triwheel arrangement (such as is utilised for ease of movement up and down steps) or any other wheeled arrangement as is necessary.
  • the load stabilising means should not be restricted to the forwardly extending arms 24 as illustrated but may be any type of configuration which is capable of suitably stabilising and bearing the load when the trolley is in the second mode of operation.
  • roller wheels may be provided towards the forward end of, and within, the arms 24 so that the trolley may also be easily moved while carrying a load and while in the second mode of operation.
  • forwardly extending load carrying means in the forms of arms 30 may also be substituted by any other suitable load carrying means such as by a flat platform or the like. Suitable arrangements may also be provided that are capable of ready substitution by a user such that various forms may be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

A hand trolley (10) which is capable of use in a first normal mode and a second raised mode. The trolley (10) comprises a main frame (12) which is generally elongate so as to have a top end (18) and a bottom end (20). The trolley (10) has load stabilising arms (24) and ground engaging wheels (22) located at or towards the bottom end (20). A levering frame (14) is generally elongate and has at least one handle (26) at one end thereof. The trolley (10) also includes a load carrying frame (16), at least a portion of which underlies a load in both the first and second modes. The levering frame (14) is pivotally connected at its other end to the load carrying frame (16), and the levering frame (14) is also pivotally connected intermediate its ends to the main frame (12) at a location intermediate the top and bottom ends thereof to define a major pivotal axis (B), such that when the main frame (12) is generally upright lowering of the one end of the levering frame (14) pivots the levering frame (14) about the major pivotal axis (B) to rise the load carrying frame (16). A clamp (42) can maintainthe load carrying frame (16) in the second raised mode.

Description

"Trolley"
THIS INVENTION relates to trolleys or carts which may be used to transfer a load from one place to another. In particular, the invention relates to hand trolleys which are used for manually transferring a load from one place to another and also from one height to another.
Hand trolleys are generally satisfactory for the manual transfer of a load from one place to another where the load is taken from a position at or near ground level to another position at or near ground level. However, hand trolleys are generally unsatisfactory where it is necessary to subsequently lift the load from the trolley onto a platform or the like or to a second position of any type which is at a higher level than the level at which the load is carried on the trolley.
Generally the load supporting section of known trolleys is adjacent the ground and it is thus necessary for the user to somehow lower themself to grasp the load and then to raise themself to an upright position to transfer the load to the platform or the like. However, the public today are generally more aware of the problems and dangers associated with such activities and there is an increasing refusal by members of the public to do this type of activity. Indeed, the general public are extremely aware of the dangers of any type of lifting whether it be in the circumstances described above or whether it be in other circumstances. There is thus a public need for devices and apparatus which reduce or eliminate the necessity of physically lifting loads, both in industry and for general use.
It is an object of the present invention to provide an improved trolley which is able to reduce or eliminate the amount of physical lifting required in order to carry and transfer its load.
The present invention provides a hand trolley which is capable of use in a first normal mode and a second raised mode, said trolley comprising a main frame being generally elongate so as to have a top end and a bottom end and having load stabilising means and ground engaging means located at or towards the bottom end thereof; a levering frame being generally elongate and having at least one handle at one end thereof; and a load carrying frame, at least a portion of which underlies a load in both the first and second modes; wherein the levering frame is pivotally connected at the other end thereof to the load carrying frame, and the levering frame is also pivotally connected intermediate the ends thereof to the main frame at a location intermediate the top and bottom ends thereof to define a major pivotal axis, such that when the main frame is generally upright lowering of the one end of the levering frame pivots the levering frame about the major pivotal axis to raise the load carrying frame.
In a preferred form, the load carrying frame has a generally elongate rear frame and a forwardly extending load carrying means secured thereto. In this form, the pivotal connection of the load carrying frame with the levering frame may be at the lower end of the rear frame adjacent the rear end of the load carrying means. It is the load carrying means which underlies a load in both the first and second modes of operation.
The rear frame of the load carrying frame preferably also remains generally upright as the one end of the levering frame is lowered and the load carrying frame is subsequently raised. This may be achieved by having an upper support means extending between, and being pivotally attached to each of the main frame and the rear frame. Preferably, these pivotal attachments are at or towards the top end of the main frame and the upper end of the rear frame.
The hand trolley of the present invention may also include means for locking the load carrying frame in at least one raised position for use in the second mode of operation. The locking means may be provided at the top end of the main frame to engage with the upper support means as the load carrying frame is raised.
The hand trolley may also include means for securing the levering frame to the main frame to prevent raising of the load carrying frame, and to allow a user to operate the hand trolley in its first mode of operation. Preferably, the securing means is capable of securing the levering frame in substantially parallel alignment with the main frame, at which time the rear frame of the load carrying frame will also be in substantially parallel alignment with the main frame.
Therefore, the present invention provides a hand trolley which allows a user to place a load thereon which may be transferred to another place by the normal operation of the trolley. If the load then needs to be lifted to a high platform or into the back of a truck or the like, the user may sit the trolley in its upright position, grip the handle, and lower the levering frame by pushing down thereon to raise the load to a given height. The load may then be taken from the trolley in the raised position and placed on the platform or in the back of the truck without having to bend to physically lift the load.
Furthermore, the relative lengths of the distances between the major pivotal axis and the handle of the levering frame, and the major pivotal axis and the point of pivotal connection thereof with the load carrying frame, may be such that due to the levering action less force is required than the equivalent force that would be required to physically lift the load. Thus, the trolley of the present invention may take advantage of normal lever mechanics to provide additional benefits.
In order to assist in arriving at an understanding of the present invention, a preferred embodiment is illustrated in the attached drawings. However, it should be understood that the following description is illustrative only and should not be taken in any way as a restriction on the generality of the invention as described above.
In the drawings:
Figure 1 is a perspective view of a trolley according to a preferred embodiment of the invention in the first mode of operation;
Figure 2 is a perspective view of the embodiment of
Figure 1 in the second mode of operation;
Figure 3 is a schematic side view of the embodiment of
Figure 1; and
Figure 4 is a schematic side view of the embodiment of
Figure 2.
Referring to Figures 1 and 2 of the drawings a hand trolley 10 is illustrated having a main frame 12, a levering frame 14 and a load carrying frame 16. The main frame 12 is generally elongate and has a top end 18 and a bottom end 20. The bottom end 20 has ground engaging means in the form of two wheels 22 and has a load stabilising means in the form of two forwardly extending arms 24. The main frame 12 is illustrated in its generally upright position.
The levering frame 14 includes handles 26 at one end thereof. At the other end thereof the levering frame 14 is pivotally attached to the lower end of the load carrying frame 16 (that pivotal attachment is indicated at A) . The levering frame 14 is also pivotally attached at B (which is the major pivotal axis) to respective upright frame members 28 of the main frame 12. Thus, the handles 26 may be raised and lowered in order to pivot the levering frame about major pivotal axis B to raise and lower the load carrying frame 16.
As the mode of operation of the trolley changes from the first mode illustrated in Figure 1 to the second mode illustrated in Figure 2 the load carrying frame 16 remains substantially upright. In this way, a load carried by the forwardly extending load carrying arms 30 and supported by the rear frame 32 remains stable. In order to maintain the upright position of the load carrying frame an upper support means is provided. The upper support means is in the form of two cross members 34 pivotally attached at either end thereof to the rear frame 32 and the main frame 12.
The hand trolley also includes means for locking the load carrying frame in a raised position for use in the second mode of operation. The locking means is illustrated in Figure 4 where there is provided a pivotal clip 36 which is pivotally attached at the top end of main frame 12. The pivotal clip 36 is also shown in Figure 1.
The pivotal clip 36 is capable of engaging a cross member 38 which is rigidly secured between the two members 34 of the upper support means. In order to release the pivotal clip 36 from the cross beam 38 pressure is applied to the flange 40 by the user. The load carrying frame 16 may then be lowered to its position in the first mode of operation.
It will be understood that an alternative form of locking means may be provided which allows for locking of the load carrying frame in more than one raised position.
The hand trolley also includes a means for securing the levering frame to the main frame when in the upright position in the first mode of operation so that the hand trolley may be used as a normal hand trolley. Figure 3 and Figure 4 illustrate a pivotal clamp 42 which is pivotally attached at the top end of main frame 12. The pivotal clamp 42 may be pivoted to seat over the cross member 44 of the levering frame 14 when that cross member 44 locates immediately above and adjacent to the top member of the main frame 12. When secured in this way the hand trolley may be used as a normal hand trolley to move a load from one place to another. The cross member 44 has a secondary use in that when a user lowers the handles 26 to raise a load the user may place their foot on the cross member 44 in order to push the levering frame further down. In this way, the levering frame may be lowered by the hands to a point where the feet may then be used thus avoiding the need for any bending over, and also allowing the use of a more powerful force such as is provided by a person's legs.
In other versions of the hand trolley of the present invention, the two wheels illustrated in the drawings may be substituted by a single wheel or by a triwheel arrangement (such as is utilised for ease of movement up and down steps) or any other wheeled arrangement as is necessary. Further, the load stabilising means should not be restricted to the forwardly extending arms 24 as illustrated but may be any type of configuration which is capable of suitably stabilising and bearing the load when the trolley is in the second mode of operation. In another variation, roller wheels may be provided towards the forward end of, and within, the arms 24 so that the trolley may also be easily moved while carrying a load and while in the second mode of operation.
Further still, it will be understood that the forwardly extending load carrying means in the forms of arms 30 may also be substituted by any other suitable load carrying means such as by a flat platform or the like. Suitable arrangements may also be provided that are capable of ready substitution by a user such that various forms may be provided.
Finally, those skilled in the art will appreciate that there may be many variations and modifications of the configuration described herein which are within the scope of the present invention.
SUBSTITUTESHEET

Claims

THE CLAIMS defining the invention are as follows : -
1. A hand trolley which is capable of use in a first normal mode and a second raised mode, said trolley comprising a main frame being generally elongate so as to have a top end and a bottom end and having load stabilising means and ground engaging means located at or towards the bottom end thereof; a levering frame being generally elongate and having at least one handle at one end thereof; and a load carrying frame, at least a portion of which underlies a load in both the first and second modes; wherein the levering frame is pivotally connected at the other end thereof to the load carrying frame, and the levering frame is also pivotally connected intermediate the ends thereof to the main frame at a location intermediate the top and bottom ends thereof to define a major pivotal axis, such that when the main frame is generally upright lowering of the one end of the levering frame pivots the levering frame about the major pivotal axis to raise the load carrying frame.
2. A hand trolley according to claim 1 including an upper support means extending between, and being pivotally attached to, each of the main frame and the load carrying frame such that the load carrying frame remains generally upright as the one end of the levering frame is lowered and the load carrying frame is raised.
3. A hand trolley according to claim 1 or claim 2 wherein the load carrying frame has a generally elongate rear frame and a forwardly extending load carrying means secured thereto.
4. A hand trolley according to claim 3 wherein the pivotal connection of the load carrying frame with the levering frame is at the lower end of the rear frame adjacent the rear end of the load carrying means.
5. A hand trolley according to claim 4 wherein the pivotal, attachments of the upper support means to each of the main frame and the rear frame are at or towards the top end of the main frame and the upper end of the rear frame respectively.
6. A hand trolley according to any one of claims 1 to 5 including means for locking the load carrying frame in at least one raised position for use in the second mode of operation.
7. A hand trolley according to any one of claims 1 to 6 including means for securing the levering frame to the main frame to prevent raising of the load carrying frame and to allow a user to operate said hand trolley in its first mode of operation.
8. A hand trolley according to claim 7 wherein the securing means is provided at the top end of the main frame and engages with a cross member of the levering frame when that cross member is in substantial alignment with the top end of the main frame and when the levering frame is in substantial parallel alignment with the main frame.
9. A hand trolley according to claim 8 wherein the securing means is a pivotal clamp pivotally attached to the top end of the main frame.
10. A hand trolley according to claim 1 substantially as herein described in relation to the accompanying drawings.
PCT/AU1991/000353 1991-02-11 1991-08-09 Trolley WO1992013745A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK453491 1991-02-11
AUPK4534 1991-02-11

Publications (1)

Publication Number Publication Date
WO1992013745A1 true WO1992013745A1 (en) 1992-08-20

Family

ID=3775217

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1991/000353 WO1992013745A1 (en) 1991-02-11 1991-08-09 Trolley

Country Status (1)

Country Link
WO (1) WO1992013745A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5975826A (en) * 1998-03-17 1999-11-02 Scholder; Perry L. Hand-truck with attachments
US6059512A (en) * 1996-07-19 2000-05-09 Kielinski; Thomas P. Lifting and moving apparatus
GB2351475A (en) * 1999-06-29 2001-01-03 Level Lift Trolleys Ltd A hand truck
FR2859437A1 (en) * 2003-09-04 2005-03-11 Guillaume Rolland Platform truck for lifting and transporting load e.g. construction material, has frame with wheels and lifting unit moving case between lower transporting position and higher handling position
EP1813501A1 (en) * 2006-01-25 2007-08-01 Kim Richter Elevation truck
US20110049823A1 (en) * 2009-08-27 2011-03-03 Canjack Incorporated Device for moving large containers
FR3005023A1 (en) * 2013-04-26 2014-10-31 Marie France Lieutard MANUAL DEVICE FOR LOAD DISPLACEMENT AND LIFTING.
US10035529B2 (en) * 2016-06-02 2018-07-31 James Anthony DePadro Cart with lifting assistance

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521415C (en) * 1931-03-24 Melchior Hoenisch Handcart
US2488461A (en) * 1947-12-04 1949-11-15 Stanley W Wysocki Lift truck
US2493824A (en) * 1948-02-14 1950-01-10 Bond Foundry & Machine Company Industrial hand truck
FR996413A (en) * 1948-10-02 1951-12-19 Platform lift and articulated system
GB697665A (en) * 1950-10-24 1953-09-30 Gascoignes Reading Ltd Improvements in trolleys
US2981374A (en) * 1959-01-19 1961-04-25 Charles H Holsclaw Hand truck with lifting and lowering mechanism
AU1890967A (en) * 1968-03-14 1969-09-18 Improved hand trolley
DE2537860A1 (en) * 1975-08-26 1977-03-10 Capito Kg Carl Sack barrow with lifting arm - with foot operated latchable lever and chain hook for load

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521415C (en) * 1931-03-24 Melchior Hoenisch Handcart
US2488461A (en) * 1947-12-04 1949-11-15 Stanley W Wysocki Lift truck
US2493824A (en) * 1948-02-14 1950-01-10 Bond Foundry & Machine Company Industrial hand truck
FR996413A (en) * 1948-10-02 1951-12-19 Platform lift and articulated system
GB697665A (en) * 1950-10-24 1953-09-30 Gascoignes Reading Ltd Improvements in trolleys
US2981374A (en) * 1959-01-19 1961-04-25 Charles H Holsclaw Hand truck with lifting and lowering mechanism
AU1890967A (en) * 1968-03-14 1969-09-18 Improved hand trolley
DE2537860A1 (en) * 1975-08-26 1977-03-10 Capito Kg Carl Sack barrow with lifting arm - with foot operated latchable lever and chain hook for load

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6059512A (en) * 1996-07-19 2000-05-09 Kielinski; Thomas P. Lifting and moving apparatus
US5975826A (en) * 1998-03-17 1999-11-02 Scholder; Perry L. Hand-truck with attachments
GB2351475A (en) * 1999-06-29 2001-01-03 Level Lift Trolleys Ltd A hand truck
GB2351475B (en) * 1999-06-29 2003-06-25 Level Lift Trolleys Ltd Improvements relating to hand truck
FR2859437A1 (en) * 2003-09-04 2005-03-11 Guillaume Rolland Platform truck for lifting and transporting load e.g. construction material, has frame with wheels and lifting unit moving case between lower transporting position and higher handling position
EP1813501A1 (en) * 2006-01-25 2007-08-01 Kim Richter Elevation truck
US20110049823A1 (en) * 2009-08-27 2011-03-03 Canjack Incorporated Device for moving large containers
US8485773B2 (en) * 2009-08-27 2013-07-16 Canjack Incorporated Device for moving large containers
FR3005023A1 (en) * 2013-04-26 2014-10-31 Marie France Lieutard MANUAL DEVICE FOR LOAD DISPLACEMENT AND LIFTING.
US10035529B2 (en) * 2016-06-02 2018-07-31 James Anthony DePadro Cart with lifting assistance

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