Conveyor carrier with actuated dog

Details Conveyor carrier with actuated dog Conveyor carrier with actuated dog

1976-10-26

1978-02-07

Spar, Robert J.

Railways

Traction

Chain

104 96, B61B 1002

Patent

active

040721116

ABSTRACT:
In a power and free conveyor system which comprises a train of free trolleys including a leading trolley and one or more following trolleys, one of the following trolleys is provided with a transfer dog that remains fully retracted within the trolley track and out of contact therewith until conveying of the train is to be transferred from a first to a second powered conveying chain. To initiate the transfer, a power dog on the first chain disengages from a drive dog on the leading trolley, and the transfer dog is raised out of the following trolley for engagement with another power dog on the first chain. Engagement of the transfer dog with the power dog is maintained preferably throughout the transfer area until the leading trolley is adjacent to the second conveyor chain for engagement of a power dog thereon with the drive dog of the leading trolley.

REFERENCES:
patent: 3451352 (1969-06-01), Curry et al.
patent: 3618532 (1971-11-01), Clewett et al.
patent: 3640226 (1972-02-01), Klamp
patent: 3741126 (1973-06-01), Ross
patent: 3812787 (1974-05-01), Kling
patent: 3889606 (1975-06-01), Linton

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