Truck body closure

Details Truck body closure Truck body closure

1975-10-16

1977-06-14

Song, Robert R.

Land vehicles: bodies and tops

Tops

Valance

B60P 702

Patent

active

040293564

ABSTRACT:
Closure for open top truck box body is a single rigid member which opens hingeably on a transverse axis near the upper front edge of the box body and has skirt portions which extend downwardly along sides of the box body in the closed position. Hydraulic cylinders open the closure and pressure of fluid supplied to the cylinders is limited to a pre-selected value so that the cylinders can only raise the closure itself and cannot raise it if it carries an additional load. Thus it cannot be operated to serve as a crane or hoist and cannot be raised if a person is standing on it.

REFERENCES:
patent: 2551239 (1951-05-01), Bond
patent: 3683748 (1972-08-01), Mahl
patent: 3700396 (1972-10-01), Adams
patent: 3833255 (1974-09-01), Logue

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