US3672612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder latching device
Assignee: Individual
•
Filing: 1971-02-11
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Granted: 1972-06-27
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Expires: 1991-02-11
Abstract
Abstract A latching device for releasably securing a ladder to a vehicle having racks secured thereon, the latching device being mounted on the side rails of the ladder on the lower side thereof and consisting of a rotatable shaft secured to the side rails, with a handle mounted on the end of the shaft and a hook member secured to the side rail for securing the handle in the locked position. At the middle of the shaft there is secured an arm portion at whose free end one end of an adjustable hooking member is pivotally attached with the other end engaging the rack for locking the ladder thereto.
Inventors
- 👤 Clyde A Laing Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:58
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/04; B60R9/048; B60R9/0485
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
126 words
A latching device for releasably securing a ladder to a vehicle having racks mounted thereon and said ladder having a pair of side rails mounted in spaced relation with a plurality of rungs extending therebetween, comprising a shaft, means rotatably securing said shaft at said side rails, handle means secured to one end of said shaft adjacent one of said side rails, an arm portion secured at one end to said shaft intermediate the ends of said shaft, hook means pivotally secured at one end to the free end of said arm portion and a hook member mounted at the other end for engaging said rack and a locking member secured to said one of said side rails for securing said handle in a locked position.
Claim 2
Dependent Claim
126 words
A latching device for releasably securing a ladder to a vehicle having racks mounted thereon and said ladder having a pair of side rails mounted in spaced relation with a plurality of rungs extending therebetween, comprising a shaft, means rotatably securing said shaft at said side rails, handle means secured to one end of said shaft adjacent one of said side rails, an arm portion secured at one end to said shaft intermediate the ends of said shaft, hook means pivotally secured at one end to the free end of said arm portion and a hook member mounted at the other end for engaging said rack and a locking member secured to said one of said side rails for securing said handle in a locked position.
Claim 3
Dependent Claim
83 words
The structure as recited by claim 1 wherein said hook means comprises an elongated member, a pivot pin securing one end of said elongated member and said free end of said arm portion, said hook means having a foot portion at the other end extending at right angle thereto, said foot portion having a bore, said hook member having a threaded shank portion extending through said bore and a plurality of nuts threaded on said shank portion and bearing against said foot portion.
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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |