Patent US3666285A successfully refreshed from Google Patents.
US3666285A
Expired / Lapsed
US
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Auxiliary movement means for hand trucks
Assignee: Individual
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Filing: 1970-06-05
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Granted: 1972-05-30
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Expires: 1990-06-05
Abstract
Abstract An auxiliary movement means for two-wheeled hand truck, which advantageously provides that truck may be conveniently moved in a lateral direction, that is, transversely to the usual path of the hand truck.
Inventors
- 👤 William J Fertig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:45
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/12; B62B2301/00; B62B2301/02; B62B5/00; B62B5/04; B62B5/0485
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
336 words
For a hand truck having a frame means and truck wheel means mounted behind and adjacent the lower end of the frame means for facilitating the movement of said hand truck with a load object being supported by said frame means, the plane of said truck wheel means being in and providing for movement of said hand truck in a plane generally perpendicular to the general plane of said frame means and of its supporting engagement with the load object, lateral-movement-facilitating wheel means, said last-named means comprising: secondary wheel means, and means supporting said secondary wheel means to be disposed generally perpendicular to the plane of the aforesaid truck wheel means; means providing that the hand truck and its supported load object are supportable by said secondary wheel means, said first-mentioned truck wheel means being then in non-supporting position; thereby providing that the said hand truck may be moved, by rolling movement of its said secondary wheel means, in a direction generally perpendicular to that of the plane of its first-mentioned truck wheel means; in a combination in which support means supportingly extend between said truck frame means and said secondary wheel means, and provide for operatively locating said secondary wheel means in a retracted position, in which said secondary wheel means do not supportingly engage the associated supporting floor during movement of said hand truck by the rolling movement of the first-mentioned truck wheel means, and an operational position in which said secondary wheel means may be caused to supportingly engage the associated supporting floor by a manipulation of said hand truck to engage said secondary wheel means supportingly with the associated floor and disengage said first-mentioned truck wheel means from supporting engagement with the floor; and in which means are provided in supporting association with said secondary wheel means which, when the said secondary wheel means supportingly engage the floor, engages the firstmentioned truck wheel means to partially support said secondary wheel means from the frame means through the said firstmentioned truck wheel means.
Claim 2
Dependent Claim
336 words
For a hand truck having a frame means and truck wheel means mounted behind and adjacent the lower end of the frame means for facilitating the movement of said hand truck with a load object being supported by said frame means, the plane of said truck wheel means being in and providing for movement of said hand truck in a plane generally perpendicular to the general plane of said frame means and of its supporting engagement with the load object, lateral-movement-facilitating wheel means, said last-named means comprising: secondary wheel means, and means supporting said secondary wheel means to be disposed generally perpendicular to the plane of the aforesaid truck wheel means; means providing that the hand truck and its supported load object are supportable by said secondary wheel means, said first-mentioned truck wheel means being then in non-supporting position; thereby providing that the said hand truck may be moved, by rolling movement of its said secondary wheel means, in a direction generally perpendicular to that of the plane of its first-mentioned truck wheel means; in a combination in which support means supportingly extend between said truck frame means and said secondary wheel means, and provide for operatively locating said secondary wheel means in a retracted position, in which said secondary wheel means do not supportingly engage the associated supporting floor during movement of said hand truck by the rolling movement of the first-mentioned truck wheel means, and an operational position in which said secondary wheel means may be caused to supportingly engage the associated supporting floor by a manipulation of said hand truck to engage said secondary wheel means supportingly with the associated floor and disengage said first-mentioned truck wheel means from supporting engagement with the floor; and in which means are provided in supporting association with said secondary wheel means which, when the said secondary wheel means supportingly engage the floor, engages the firstmentioned truck wheel means to partially support said secondary wheel means from the frame means through the said firstmentioned truck wheel means.
Claim 3
Dependent Claim
61 words
The invention as set forth in claim 1 in a combination in which means support said secondary wheel means relatively closely adjacent said first-mentioned truck wheel means to provide that only a relatively small truck manipulation is required to achieve a change of truck support, from that of the first-mentioned truck wheel means to that of the said secondary wheel means.
Claim 4
Dependent Claim
75 words
The invention as set forth in claim 2 in a cOmbination in which the said secondary wheel means are so located with respect to said first-mentioned truck wheel means in such a position that the truck manipulation required to achieve a change of truck support, from that of the first-mentioned truck wheel means to that of the said secondary wheel means, is movement generally parallel to the plane of the said first-mentioned truck wheel means.
Claim 5
Dependent Claim
27 words
The invention as set forth in claim 1 in a combination in which there is a secondary wheel means provided adjacent each side of said hand truck.
Claim 6
Dependent Claim
64 words
The invention as set forth in claim 4 in a combination in which, in the said operational position of the said secondary wheel means, the support of each of said secondary wheel means is that it is supportedly connected to said frame partly through an associated one of said first-mentioned truck wheel means and partly by support means apart from said truck wheel means.
Claim 7
Dependent Claim
331 words
For a hand truck having a frame means and truck wheel means mounted behind and adjacent the lower end of the frame means for facilitating the movement of said hand truck with a load object being supported by said frame means, the plane of said truck wheel means being in and providing for movement of said hand truck in a plane generally perpendicular to the general plane of said frame means and of its supporting engagement with the load object, lateral-movement-facilitating wheel means, said last-named means comprising: secondary wheel means, and means supporting said secondary wheel means to be disposed generally perpendicular to the plane of the aforesaid truck wheel means; means providing that the hand truck and its supported load object are supportable by said secondary wheel means, said first-mentioned truck wheel means being then in non-supporting position; thereby providing that the said hand truck may be moved, by rolling movement of its said secondary wheel means, in a direction generally perpendicular to that of the plane of its first-mentioned truck wheel means; in a combination in which support means supportingly extend between said truck frame means and said secondary wheel means, and provide for operatively locating said secondary wheel means in a retracted position, in which said secondary wheel means do not supportingly engage the associated supporting floor during movement of said hand truck by the rolling movement of the first-mentioned truck wheel means, and an operational position in which said secondary wheel means may be caused to supportingly engage the associated supporting floor by a manipulation of said hand truck to engage said secondary wheel means supportingly with the associated floor and disengage said first-mentioned truck wheel means from supporting engagement with the floor, there being means provided which supportingly interact between the secondary wheel means and the first-mentioned truck wheel means to exert a braking effect upon said first-mentioned truck wheel means automatically, as an incident of moving said secondary wheel means to the said operational position.
Claim 8
Dependent Claim
331 words
For a hand truck having a frame means and truck wheel means mounted behind and adjacent the lower end of the frame means for facilitating the movement of said hand truck with a load object being supported by said frame means, the plane of said truck wheel means being in and providing for movement of said hand truck in a plane generally perpendicular to the general plane of said frame means and of its supporting engagement with the load object, lateral-movement-facilitating wheel means, said last-named means comprising: secondary wheel means, and means supporting said secondary wheel means to be disposed generally perpendicular to the plane of the aforesaid truck wheel means; means providing that the hand truck and its supported load object are supportable by said secondary wheel means, said first-mentioned truck wheel means being then in non-supporting position; thereby providing that the said hand truck may be moved, by rolling movement of its said secondary wheel means, in a direction generally perpendicular to that of the plane of its first-mentioned truck wheel means; in a combination in which support means supportingly extend between said truck frame means and said secondary wheel means, and provide for operatively locating said secondary wheel means in a retracted position, in which said secondary wheel means do not supportingly engage the associated supporting floor during movement of said hand truck by the rolling movement of the first-mentioned truck wheel means, and an operational position in which said secondary wheel means may be caused to supportingly engage the associated supporting floor by a manipulation of said hand truck to engage said secondary wheel means supportingly with the associated floor and disengage said first-mentioned truck wheel means from supporting engagement with the floor, there being means provided which supportingly interact between the secondary wheel means and the first-mentioned truck wheel means to exert a braking effect upon said first-mentioned truck wheel means automatically, as an incident of moving said secondary wheel means to the said operational position.
Claim 9
Dependent Claim
79 words
The invention as set forth in claim 6 in a combination in which the said braking means are provided in supporting association with the secondary wheel means in a manner in which, when the truck is manipulated to cause the said secondary wheel means to supportingly engage the floor, not only brakingly but also supportingly engages the first-mentioned truck wheel means to partially support said secondary wheel means from the frame means through the said first-mentioned truck wheel means.
Claim 10
Dependent Claim
66 words
The invention as set forth in claim 6 in a combination in which the said secondary wheel means in said operational position are located relatively closely adjacent said first-mentioned truck wheel means to provide that only a relatively small truck manipulation is required to achieve a change of truck support, from that of the first-mentioned truck wheel means to that of the said secondary wheel means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |