Overhead power and free conveyor system

Details Overhead power and free conveyor system Overhead power and free conveyor system

1975-04-24

1976-04-06

Spar, Robert J.

Railways

Traction

Chain

104 96, 104162, B61B 1300, B61J 304

Patent

active

039481867

ABSTRACT:
An overhead power and free conveyor system in which a carrier is propelled along a portion of the carrier track of the system in the conventional manner by a pusher on a driven chain engaging a driving dog on the carrier. The carrier is propelled along another portion of the carrier track of this system by a self-propelled tractor, with provision for transferring a carrier from one of these forms of propulsion to another. Preferably, the tractor travels on the carrier track when propelling a carrier or a train of carriers, which may be directly coupled to the tractor. Alternately, the tractor travels on the carrier track and pulls a tow bar, supported by a separate track, and equipped with a pusher engageable with the carrier driving dog.

REFERENCES:
patent: 3451352 (1969-06-01), Curry et al.
patent: 3477388 (1969-11-01), Klamp
patent: 3706286 (1972-12-01), Ricaud et al.
patent: 3742861 (1973-07-01), Wilkinson

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