B - Operations – Transporting – 61 – B
Patent
B - Operations, Transporting
61
B
198/12.08
B61B 10/00 (2006.01) B61B 10/02 (2006.01) B61B 13/12 (2006.01)
Patent
CA 1190503
ABSTRACT OF THE DISCLOSURE Power and free conveyor systems wherein each article car- rier includes a driving trolley having a movable driving member biased to an operable position in which it is engageable with a driven pusher to propel the carrier along a carrier track, the pusher being supported by a vertically spaced power track. Form- ed integrally with the driving member are: a stopping cam and an abutment, an accumulation cam, an anti-jam cam, and a pair of transversely projecting driving wings, all cams being adapted to disengage the driving member from a pusher. The stopping cam and abutment are engageable with a trackside stop member to stop the carrier; the accumulating cam is engageable with an actuator on the rear of a preceding carrier, also to stop the carrier; and the driving wings are engageable by forwarding and receiving push- ers travelling on parallel side-by-side power tracks at a trans- fer zone where the driving member and pushers are relatively posi- tioned vertically so that improper engagement between them is pre- vented by the anti-jam cam and by beveled side surfaces on the driving wings and the pushers. Carrier bumpers and actuators are located within and protected by the web portions of channel- section carrier track members which can be mounted above or below the power track.
403014
Ridout & Maybee Llp
Webb (jervis B.) Company
LandOfFree
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