US3743121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloading chute assembly and means detachably carrying same on a vehicle
Assignee: Individual
•
Filing: 1971-04-14
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Granted: 1973-07-03
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Expires: 1991-04-14
Abstract
Abstract An adjustable and portable hydraulic chute. This device is carried by a trailer being towed by a tractor. The device includes fold-down wheels with hydraulic cylinders for operating the wheels and adjusting the angle of the chute portion of the device.
Inventors
- 👤 J Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:17
CPC Classifications
B; B65; B65G; B65G11/00; B65G11/12; B65G11/123; B65G11/18; B65G11/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
An unloading apparatus for use with a vehicle having bracket means on the underside thereof for carrying and transporting such apparatus, said apparatus comprising a frame, parallel shafts journalled on opposite sides of said frame and having supporting legs extending radically therefrom, a bar pivotally attached at its center to the center of said frame and extending generally parallel to said bar, link means connected respectively to opposite ends of said bar and said shafts such that pivoting of said bar will rotate said shafts and extend or retract said supporting legs, caster means carried by said legs, actuator means for pivoting said bar, a chute pivotally connected at one end thereof to said frame, whereby upon extension of said legs the apparatus may be rolled free of said brackets to a suitable position relative to the vehicle and the chute may be pivoted to an inclined position to receive goods from said vehicle.
Claim 2
Dependent Claim
154 words
An unloading apparatus for use with a vehicle having bracket means on the underside thereof for carrying and transporting such apparatus, said apparatus comprising a frame, parallel shafts journalled on opposite sides of said frame and having supporting legs extending radically therefrom, a bar pivotally attached at its center to the center of said frame and extending generally parallel to said bar, link means connected respectively to opposite ends of said bar and said shafts such that pivoting of said bar will rotate said shafts and extend or retract said supporting legs, caster means carried by said legs, actuator means for pivoting said bar, a chute pivotally connected at one end thereof to said frame, whereby upon extension of said legs the apparatus may be rolled free of said brackets to a suitable position relative to the vehicle and the chute may be pivoted to an inclined position to receive goods from said vehicle.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |