Power and free conveyor system

Details Power and free conveyor system Power and free conveyor system

1977-06-22

1979-04-03

Husar, Francis S.

Railways

Traction

Chain

104 94, 104250, B61J 304

Patent

active

041471105

ABSTRACT:
A power and free conveyor system comprising a power track, a power conveyor movable along the track, the conveyor having a plurality of depending pusher dogs thereon, a free track extending along the power track, and a plurality of carriers movable along the free track. Each carrier has at least one trolley with a pusher normally in the path of the depending pusher and holdback dogs. Each pusher and holdback dog is deflectable laterally into and out of the path of the pushers on the trolleys. A combined cam and stop member is provided with means for moving the cam and stop into the path of the pusher on the carrier. The cam and stop member includes a cam portion operable to depress the pusher dog and a cam portion operable to deflect the depending pusher and holdback dogs out of the normal path of the pusher. Stops are provided in advance of and to the rear of the carrier and are operable to maintain the carrier in stopped position.

REFERENCES:
patent: 2973721 (1961-03-01), Waeter
patent: 3315614 (1967-04-01), Braun
patent: 3477390 (1969-11-01), Dolding
patent: 3523504 (1970-08-01), Jones
patent: 3948187 (1976-04-01), Moore
patent: 4058064 (1977-11-01), Wilder et al.

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