Land vehicles: bodies and tops – Tops – Roll-up covers
Patent
1982-12-02
1985-05-14
Song, Robert R.
Land vehicles: bodies and tops
Tops
Roll-up covers
B60P 704
Patent
active
045168024
ABSTRACT:
A take-up roll is mounted transversely on the headboard or cab of a truck and a flexible tarpaulin-like cover is rolled up on the take-up roll, which is rotatably mounted on the cab. A free end portion of the cover is connected to the cross bar of a bail, which is pivotally mounted outboard the side walls of the open bed of a truck. In the forward position of the bail, the cover remains rolled up on the take-up roll. The rolled up cover on the take-up roll exerts a force overcoming a rearward spring force on the bail to maintain the bail in the forward position. A reversible motor is drivingly connected to the take-up roll to rotate the take-up roll in a first direction and unroll the cover by releasing the spring force normally applied to the bail to thereby pivot the bail on the truck side walls and unreel the cover in overlying relation with the open bed until the bail has pivoted to its rearwardmost position and the bed is covered. Rotation of the take-up roll in the opposite direction rolls up the cover and pivots the bail forwardly to return the bail to its forwardmost position and roll the cover up on the take-up roll. Guide rollers extend upwardly from the cab adjacent the end portions of the cross bar of the bail. The guide rollers are positioned vertically and are engageable with the lateral edges of the cover. The guide rollers maintain the cover centered on the take-up roll and eliminate binding of the cover as the cover is unrolled and rolled up on the take-up roll.
REFERENCES:
patent: 2000905 (1935-05-01), Rockefeller
patent: 3549197 (1970-12-01), Sibley
patent: 3549199 (1970-12-01), Sibley
patent: 3628826 (1971-12-01), Sibley
patent: 3774958 (1973-11-01), Thorpe
patent: 4159105 (1979-06-01), Vander Laan
patent: 4341416 (1982-07-01), Richard
Adams John M.
Price, Jr,. Stanley J.
Song Robert R.
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