Patent US4538953A successfully refreshed from Google Patents.
US4538953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load securing assembly for a forklift truck
Assignee: Dow Chemical Co
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Filing: 1983-10-31
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Granted: 1985-09-03
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Expires: 2003-10-31
Abstract
Abstract A gravity operated load stabilizing device is provided for use with forklifts the device comprising an inverted J-shaped member which engages the load by gravity when the fork is raised and is disengaged from the load when the fork rests on a surface.
Inventors
- 👤 Harold C. Abramson, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:27
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/187
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
249 words
A forklift, the forklift being selectively positionable along a generally vertically extending mast, the forklift having a shank selectively positioned along said generally vertically extending mast, the forklift having affixed to the shank at least one generally horizontally extending dependent tine, said tine being disposed generally remote from said mast; a load engaging and disengaging means affixed to said shank with load engaging means adapted to engage a load on said forklift when said forklift is raised above a supporting surface, said load engaging means adapted to disengage said load when the said tine is disposed generally adjacent said supporting surface, including a member defining a generally vertically extending passageway affixed adjacent said shank, the load engaging means having a generally J-shaped configuration, the load engaging means slideably disposed with the inset passageway, said load engaging means having a generally linear shank slideably disposed in the passageway and a toe portion extending generally away from said mast; the load engaging means being in an inverted position wherein said linear shank extends below the bottom of the tine when the tine is in a raised position; and when the tine is in a lowered position, the toe of the load engaging means being disposed upwardly relative to said tine; the toe of said load engaging means being adapted to engage a recess on a load when said tine assembly is in a raised position and disengage from the recess on a load when the tine is in a lowered position.
Claim 2
Dependent Claim
249 words
A forklift, the forklift being selectively positionable along a generally vertically extending mast, the forklift having a shank selectively positioned along said generally vertically extending mast, the forklift having affixed to the shank at least one generally horizontally extending dependent tine, said tine being disposed generally remote from said mast; a load engaging and disengaging means affixed to said shank with load engaging means adapted to engage a load on said forklift when said forklift is raised above a supporting surface, said load engaging means adapted to disengage said load when the said tine is disposed generally adjacent said supporting surface, including a member defining a generally vertically extending passageway affixed adjacent said shank, the load engaging means having a generally J-shaped configuration, the load engaging means slideably disposed with the inset passageway, said load engaging means having a generally linear shank slideably disposed in the passageway and a toe portion extending generally away from said mast; the load engaging means being in an inverted position wherein said linear shank extends below the bottom of the tine when the tine is in a raised position; and when the tine is in a lowered position, the toe of the load engaging means being disposed upwardly relative to said tine; the toe of said load engaging means being adapted to engage a recess on a load when said tine assembly is in a raised position and disengage from the recess on a load when the tine is in a lowered position.
Claim 3
Dependent Claim
34 words
The forklift of claim 1 including a supporting surface engaging pad affixed to the load engaging means at a location below the bottom of the tine when the tine is in the raised position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-02 | 1989-03-04 | 1989-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-02 | 1993-03-04 | 1993-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-02 | 1997-03-04 | 1997-09-03 | $7700.00 | Window Closed / Lapsed |