Hopper bed tarp vent

Details Hopper bed tarp vent Hopper bed tarp vent

1975-08-19

1976-11-09

Song, Robert R.

Land vehicles: bodies and tops

Tops

Load cover

B60P 702

Patent

active

039907406

ABSTRACT:
Apparatus for venting a tarpaulin type covering which extends over an open top hopper car is provided by the present invention. An elongated member is adapted to be pivotally mounted near the top of the hopper bed and beneath the tarpaulin-like covering. The member is normally disposed in a parallel relationship with the overlying covering so as not to interfere with the latter and is movable into a venting position perpendicular to the covering whereby the latter is pulled away from the hopper bed. Lever means is coupled with the member and extends therefrom for effecting the pivotal movement of the member. An over center handle is coupled with the lever and serves to positively lock the member in its normal position. When the handle is moved to effect pivotal movement of the member, it may be placed in position to lock the member in its venting position.

REFERENCES:
patent: 3138399 (1964-06-01), Hughes
patent: 3627376 (1971-12-01), Tyler
patent: 3819082 (1974-06-01), Rosenvold

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