Conveyor control means

Details Conveyor control means Conveyor control means

1981-03-30

1983-06-28

Reese, Randolph

Railways

Traction

Chain

104 91, B61B 1002

Patent

active

043899447

ABSTRACT:
A mechanism for use with a power-and-free type conveyor to allow a trolley system to be pushed across a transfer zone or the like. The trolley system is composed of at least a leading trolley and a trailing trolley, and perhaps an intermediate trolley. The leading trolley is pushed across the transfer zone by virtue of the mechanism of the trailing, or intermediate, trolley. The mechanism includes a dog member attached to the trailing (or intermediate) trolley, a first drive member for moving the dog member to a first position in which it will be engaged by a pusher member and pushed across a transfer zone, and a second drive member for moving the dog member to a second position out-of-engagement with the pusher member. The mechanism is constructed so that the dog member will stay in either of the first or second positions until it is positively moved to the other position by either the first or second drive member.

REFERENCES:
patent: 3559586 (1971-02-01), Follrath
patent: 3874304 (1975-04-01), Robert
patent: 3910199 (1975-10-01), Ord

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