US3372824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting fork attachment for a lift truck
Assignee: Gerber Products Co
•
Filing: 1966-06-27
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Granted: 1968-03-12
•
Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Richard L Callahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A LIFT TRUCK, A FORK ATTACHMENT FOR RAISING A WALSH-TYPE SELF-PALLETIZED LOAD FROM A SUPPORTING SURFACE, COMPRISING: AN UPRIGHT SUPPORT ADAPTED TO BE RAISED AND LOWERED; A PAIR OF UPRIGHT TIME-HOLDING ARMS ON SAID UPRIGHT PIVOTALLY MOUNTING SAID TIME-HOLDING ARMS ON SAID UPRIGHT SUPPORT FOR ROTATION ABOUT RESPECTIVE HORIZONTAL AXES; A PAIR OF TIMES, EACH OF SAID TIMES BEING RIGIDLY ATTACHED TO THE PROJECTING OUTWARDLY FROM A RESPECTIVE ARM AT A LOCATION BELOW THE CORRESPONDING PIVOT POINT; EACH OF SAID ARMS AND TINES DEFINING A UNIT HAVING A LOWER EDGE ADAPTED TO ENGAGE SAID SUPPORTING SURFACE TO DISPOSE SAID UNIT WITH ITS CENTER OF GRAVITY DISPLACED LATERALLY AND OUTWARDLY OF ITS PIVOTAL MOUNTING MEANS AT LEAST WHEN SAID SUPPORT IS AT ITS LOWERMOST POSITION WHEREBY SAID UNITS ARE MOVABLE INWARDLY TOWARD EACH OTHER WHEN SAID SUPPORT IS RAISED, TO LOCATE SAID PAIR OF TINES UNDER SAID SELFPALLETIZED LOAD.
Claim 2
Dependent Claim
149 words
IN A LIFT TRUCK, A FORK ATTACHMENT FOR RAISING A WALSH-TYPE SELF-PALLETIZED LOAD FROM A SUPPORTING SURFACE, COMPRISING: AN UPRIGHT SUPPORT ADAPTED TO BE RAISED AND LOWERED; A PAIR OF UPRIGHT TIME-HOLDING ARMS ON SAID UPRIGHT PIVOTALLY MOUNTING SAID TIME-HOLDING ARMS ON SAID UPRIGHT SUPPORT FOR ROTATION ABOUT RESPECTIVE HORIZONTAL AXES; A PAIR OF TIMES, EACH OF SAID TIMES BEING RIGIDLY ATTACHED TO THE PROJECTING OUTWARDLY FROM A RESPECTIVE ARM AT A LOCATION BELOW THE CORRESPONDING PIVOT POINT; EACH OF SAID ARMS AND TINES DEFINING A UNIT HAVING A LOWER EDGE ADAPTED TO ENGAGE SAID SUPPORTING SURFACE TO DISPOSE SAID UNIT WITH ITS CENTER OF GRAVITY DISPLACED LATERALLY AND OUTWARDLY OF ITS PIVOTAL MOUNTING MEANS AT LEAST WHEN SAID SUPPORT IS AT ITS LOWERMOST POSITION WHEREBY SAID UNITS ARE MOVABLE INWARDLY TOWARD EACH OTHER WHEN SAID SUPPORT IS RAISED, TO LOCATE SAID PAIR OF TINES UNDER SAID SELFPALLETIZED LOAD.
References Cited (Backward Citations)
US2610890A
Cited
US3223267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |