Patent US4420053A successfully refreshed from Google Patents.
US4420053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fork lift weighing apparatus
Assignee: LITCO INTERNATIONAL Inc A CORP OF OHIO
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Filing: 1981-08-20
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Granted: 1983-12-13
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Expires: 2001-08-20
Abstract
Abstract This invention relates to improved weighing apparatus for fork lifts comprising a weigh bridge supported at each end thereof by load cells. The weigh bridge and load cells are built into the fork so that the overall height of the fork is kept to a minimum.
Inventors
- 👤 Frank J. Russo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
B; B66; B66F; B66F17/00; B66F17/003; B66C; B66C13/00; B66C13/16; B66F9/00; B66F9/06; B66F9/075; B66F9/12; G; G01; G01G; G01G19/00; G01G19/08; G01G19/083; G01G23/00; G01G23/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
A fork lift assembly having a plurality of load supporting tines, and each tine being provided with weighing means, the improvement comprising a tine having an elongated cavity therein, weighing means supported in said cavity, the over all height of said weighing means being only slightly greater than the depth of said cavity, said weighing means comprises a weigh bridge having an upper surface adapted to receive a load, a shock absorber secured to the bottom surface at each end thereof, and a load cell secured to each end thereof, and fastening means extending through openings in the bottom wall of the cavity for securing said weighing means therein.
Claim 2
Dependent Claim
109 words
A fork lift assembly having a plurality of load supporting tines, and each tine being provided with weighing means, the improvement comprising a tine having an elongated cavity therein, weighing means supported in said cavity, the over all height of said weighing means being only slightly greater than the depth of said cavity, said weighing means comprises a weigh bridge having an upper surface adapted to receive a load, a shock absorber secured to the bottom surface at each end thereof, and a load cell secured to each end thereof, and fastening means extending through openings in the bottom wall of the cavity for securing said weighing means therein.
Claim 3
Dependent Claim
24 words
A fork lift assembly as set forth in claim 1 wherein each weigh bridge is provided with a stop member at one end thereof.
Claim 4
Dependent Claim
22 words
A fork lift assembly as set forth in claim 1 wherein the bottom wall of said cavity is provided with drain 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) | 1986-12-12 | 1987-06-13 | 1987-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-12 | 1991-06-13 | 1991-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-12 | 1995-06-13 | 1995-12-13 | $7700.00 | Window Closed / Lapsed |