US4380415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism for walk ramps
Assignee: MORGAN TRAILER Manufacturing Co MORGANTOWN PA A CORP OF
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Filing: 1980-09-29
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Granted: 1983-04-19
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Expires: 2000-09-29
Abstract
Abstract A latch mechanism for walk ramps for truck bodies and the like is disclosed which includes, on each side of the walk ramp at its rear end and for retaining the walk ramp in its stored position usually below the floor of the truck body, locking handles carried on vertical pivots and provided with latch fingers which are normally resiliently urged to locked positions but movable to release positions to permit the withdrawal of the walk ramp for use.
Inventors
- 👤 Roy C. Higginson
- 👤 Paul L. Whiteman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:34
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/43; B60P1/431
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
106 words
Latch mechanism for a walk ramp having side rails for truck bodies and the like having longitudinal body side rails and a floor thereabove for storage below the floor of the truck body and for movement outwardly of the walk ramp with respect to the body, which comprises a plurality of handle members pivotally carried by the side rails of the walk ramp on vertical pivots, said truck body side rails have spaced brackets with latch plate openings therein, each of said handle members having a latch tongue, and resilient means for urging said handle members to position said latch tongues in said latch plate openings.
Claim 2
Dependent Claim
106 words
Latch mechanism for a walk ramp having side rails for truck bodies and the like having longitudinal body side rails and a floor thereabove for storage below the floor of the truck body and for movement outwardly of the walk ramp with respect to the body, which comprises a plurality of handle members pivotally carried by the side rails of the walk ramp on vertical pivots, said truck body side rails have spaced brackets with latch plate openings therein, each of said handle members having a latch tongue, and resilient means for urging said handle members to position said latch tongues in said latch plate openings.
Claim 3
Dependent Claim
23 words
Latch mechanism as defined in claim 1 in which each said walk ramp side rail has a channel for mounting said handle members.
Claim 4
Dependent Claim
23 words
Latch mechanism as defined in claim 1 in which each said walk ramp side rail has a channel for mounting said resilient means.
Claim 5
Dependent Claim
15 words
Latch mechanism as defined in claim 1 in which said resilient means comprises a spring.
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) | 1986-04-18 | 1986-10-18 | 1987-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-18 | 1990-10-18 | 1991-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-18 | 1994-10-18 | 1995-04-19 | $7700.00 | Window Closed / Lapsed |