Land vehicles – Wheeled – Running gear
Patent
1981-08-10
1983-03-08
Song, Robert R.
Land vehicles
Wheeled
Running gear
105389, 296 43, 403109, B60P 706
Patent
active
043758932
ABSTRACT:
An extendible bunk stake for use on a log truck and the like. The stake includes an upright post adapted to be mounted on a bunk on the truck, and an extension member telescopically extendible from the post from a lowered to a raised position. The extension member is releasably locked in its raised position by a spring-operated latch which cooperates with a latch cover on the post to indicate when the latch is in a locking position. An arm mounted on the member, adjacent its upper end, is shiftable between an upwardly projecting position and an inwardly projecting position where the arm is engageable by a log being lifted by a boom loader, to extend the extension member. The arm is held in its inwardly and upwardly projecting positions by a spring-loaded lock, with arm release from its inwardly extending position and movement toward its upwardly extending position occurring upon continued lifting of such a log beyond the point where the extension member has been fully raised.
REFERENCES:
patent: 735350 (1903-08-01), Donnell
patent: 1231843 (1917-07-01), Brady
patent: 3674304 (1972-07-01), Swanson
patent: 3712637 (1973-01-01), Rysdam
patent: 3838338 (1958-06-01), Kerley
patent: 3977717 (1976-08-01), Hassell
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