US3740097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle dump bed
Assignee: PARKER INDUSTRIES Inc 101 BRYN MAWR AVENUE PHILADELPHIA PA 19010 A CORP OF DE
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Filing: 1971-05-03
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Granted: 1973-06-19
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Expires: 1991-05-03
Abstract
Abstract A dump bed for a vehicle such as a pick-up truck which can be easily mounted on and removed from the vehicle bed, and which includes a pair of uprights secured near the rear end of the dump bed body for moving the dump bed body between a horizontal and substantially vertical position. A hydraulic system incorporated in the base of the dump bed structure performs the dumping action. The bed is provided with fixtures for lifting a refuse container as the bed is lowered, for transporting the container from one place to another.
Inventors
- 👤 S Parker
- 👤 J Rohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:05
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/16
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
189 words
A dump bed for a pick-up truck having a bed, comprising a body for receiving and hauling a load having an outwardly and upwardly extending rear end wall with an upper discharge edge, a pair of uprights disposed along each side of said body near the rear end thereof, each of said uprights having a lower section for seating on a supporting structure on the vehicle and an upper section rigidly connected to the rear end wall of said body and pivotally connected to said lower section at a point intermediate the top and bottom of said end wall, longitudinally disposed frame members secured to said uprights and extending forwardly therefrom for seating in and being secured to the pick-up truck bed, said discharge edge being spaced rearwardly of the rear end of said frame members when said bed is in the dumping position, a hydraulic cylinder means for tilting said upper upright section relative to said lower upright section for moving said bed between load hauling and load dumping positions, and a hydraulic system separate from the hydraulic system of the vehicle for operating said hydraulic cylinder means.
Claim 2
Dependent Claim
189 words
A dump bed for a pick-up truck having a bed, comprising a body for receiving and hauling a load having an outwardly and upwardly extending rear end wall with an upper discharge edge, a pair of uprights disposed along each side of said body near the rear end thereof, each of said uprights having a lower section for seating on a supporting structure on the vehicle and an upper section rigidly connected to the rear end wall of said body and pivotally connected to said lower section at a point intermediate the top and bottom of said end wall, longitudinally disposed frame members secured to said uprights and extending forwardly therefrom for seating in and being secured to the pick-up truck bed, said discharge edge being spaced rearwardly of the rear end of said frame members when said bed is in the dumping position, a hydraulic cylinder means for tilting said upper upright section relative to said lower upright section for moving said bed between load hauling and load dumping positions, and a hydraulic system separate from the hydraulic system of the vehicle for operating said hydraulic cylinder means.
Claim 3
Dependent Claim
42 words
A vehicle dump bed as defined in claim 1 in which said hydraulic means consists of a hydraulic cylinder for each upright, each cylinder being connected at one end to said lower section and at the other end to said upper section.
Claim 4
Dependent Claim
38 words
A vehicle dump bed as defined in claim 4 in which said uprights are connected by frame members forming a base and said hydraulic system includes a hydraulic pump and an electric driven motor mounted on said base.
Claim 5
Dependent Claim
47 words
A vehicle dump bed as defined in claim 1 in which horizontal frame members are connected to said uprights for supporting the body and uprights in a pick-up truck bed, and means are provided for securing said horizontal frame members to the bottom of said supporting structure.
Claim 6
Dependent Claim
29 words
A vehicle dump bed as defined in claim 1 in which the rear end of said body is provided with fixture means for lifting and supporting a refuse container.
Claim 7
Dependent Claim
33 words
A vehicle dump bed as defined in claim 5 in which a bumper extensible from and retractable toward said uprights engages the forward side of a container when the body lifts the container.
Claim 8
Dependent Claim
31 words
A vehicle dump bed as defined in claim 6 in which said bumper includes a horizontally disposed member and two extensible and retractable side members slidable along said horizontal frame members.
References Cited (Backward Citations)
US2674489A
Cited
US3358224A
Cited
US3424498A
Cited
US3447834A
Cited
US3488077A
Cited
US3633971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |