Power-and-free conveyor

Details Power-and-free conveyor Power-and-free conveyor

1986-06-20

1988-09-20

Falk, Joseph

Railways

Traction

Chain

1041724, B65G 1700, B61B 1000

Patent

active

047717009

ABSTRACT:
A power-and-free conveyor comprising a power line, a free line coextensive with the power line thereabove, a multiplicity of pivotally movable pushers adapted to travel with a drive chain for the power line, and free trolleys attached to carriers on the free line, each of the pushers being generally T-shaped when seen from front and including an attaching member and a horizontal engaging member provided at the forward end of the attaching member, each of the free trolleys having an engaging dog comprising a pair of opposed vertical engaging portions which are spaced apart from each other transversely of the free line at a distance, the engaging pusher member being engageable with at least one of the engaging portions of the engaging dog. The free trolley comprises a main body and a slider mounted thereon and slidable longitudinally of the trolley, the slider being provided with an engaging dog and an anticoasting dog, the slider being connected to the main body by a shock absorber.

REFERENCES:
patent: 3353500 (1967-11-01), Orwin
patent: 3424112 (1969-01-01), Orwin
patent: 3726234 (1973-04-01), Dema et al.
patent: 4424749 (1984-01-01), Wakabayashi
patent: 4483252 (1984-11-01), Pierson
patent: 4542698 (1985-09-01), Wakabayashi
patent: 4616570 (1986-10-01), Dehne

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