1985-05-28
1987-09-29
Reese, Randolph A.
Railways
Traction
19880301, B61B 1312
Patent
active
046962360
ABSTRACT:
This invention relates to a conveyor apparatus which has rails laid at a predetermined interval in parallel with each other; a truck movable by means of wheels on the rails; a conveying belt moving in parallel with the rails; a unit roller mechanism mounted on the truck and having two rollers arranged longitudinally along the direction of the belt; and springs for pressing the rollers of the unit roller mechanism to the belt so that the rollers are in contact with each other; thereby operating to isolate one roller from the belt when the truck is stopped. The conveyor apparatus can thus remarkably reduce the line pressure at the accumulating time of a truck and reliably operate to readily restart the truck at the stopper releasing time, and the conveyor apparatus is inexpensive by virtue of its employment of a system for accumulating the truck without disengaging the truck from contact with the belt of a conveying strip member.
REFERENCES:
patent: 3690267 (1972-09-01), Sutton
patent: 3929079 (1975-12-01), Eliassen
patent: 4048923 (1977-09-01), Giraud
patent: 4078499 (1978-03-01), Giraud
patent: 4114539 (1978-09-01), Deno
patent: 4326465 (1982-04-01), Forrest
Hokoku Chain Co., Ltd.
Reese Randolph A.
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