Hydraulically-actuated mechanical latch for tilt-cab trucks

Details Hydraulically-actuated mechanical latch for tilt-cab trucks Hydraulically-actuated mechanical latch for tilt-cab trucks

1978-01-10

1979-06-26

Moore, Richard E.

Closure fasteners

Bolts

Hooked end

E05C 502

Patent

active

041591364

ABSTRACT:
A mechanical latch of the type widely utilized to retain, in closed position, an automotive truck cab that is pivoted to be swung open and closed above the truck engine (especially such a cab of the tractor unit of a transport truck-trailer combination) is constructed to be unlatched in customary manner, e.g. as in Nordell et al. U.S. Pat. No. 3,752,519, so that the cab can be raised by the usual hydraulic lift cylinders, but to be mechanically held against retractive, latching travel until forcibly released at such time as the cab is returned to normal driving position. In a preferred arrangement, the usual pivoted and axially extendable and retractable, hooked, latch element and the latch housing are provided with respective coactive locking formations for locking interengagement at the end of the extended stroke of the latch element, whereby such latch element is held against the urge of the retractive spring until forcibly released for retraction into cab-latching position in the usual manner.

REFERENCES:
patent: 2475726 (1949-07-01), Six
patent: 3752519 (1973-08-01), Nordell et al.
patent: 3841693 (1974-10-01), Reynolds et al.

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