Land vehicles: bodies and tops – Tops – Roll-up covers
Patent
1976-03-11
1977-09-06
Song, Robert R.
Land vehicles: bodies and tops
Tops
Roll-up covers
296100, B60J 1100
Patent
active
040464164
ABSTRACT:
Many types of loads carried in open trucks require covering either to protect the load from the effects of weather or to prevent part of the load from being blown or spilled from the truck during movement of the truck. A flexible cover is carried on a spring loaded roller at one end of the truck and is connected by the free end thereof to a pair of mounting plates which in turn are supported for endwise rolling movement one upon each outer side wall of the truck body. An endless chain is connected to these mounting plates and is journalled over sprockets at each end of the truck body. A source of power is connected to the sprockets at one end of the truck body and controlled in either direction from the cab of the truck. Micro switches limit the travel of the cover in either direction and the spring loading of the roller maintains the cover taut at all times and permits the cover to be rolled up upon the roller when the cover is retracted.
REFERENCES:
patent: 2230908 (1941-02-01), Reiman
patent: 3298734 (1967-01-01), Openshaw
patent: 3310338 (1967-03-01), Greenberg
patent: 3667802 (1972-06-01), Love
patent: 3759568 (1973-09-01), Unruh
Ade Stanley G.
Song Robert R.
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