Railways – Traction – Chain
Patent
1975-07-21
1977-05-03
Spar, Robert J.
Railways
Traction
Chain
B65G 1742
Patent
active
040207684
ABSTRACT:
A tow line accumulator is provided having at least one conveyor chain track or channel which is stationary and associated with first and second movable control members. The control members cause a tow pin on a driverless tow vehicle to lose contact with a pusher dog on the conveyor chain whereby the vehicle will come to a stop at the accumulator.
REFERENCES:
patent: 3418945 (1968-12-01), Stevenson et al.
patent: 3520255 (1970-07-01), Hefler
patent: 3606840 (1971-09-01), Karlstrom
patent: 3648618 (1972-03-01), Pierson et al.
patent: 3669027 (1972-06-01), Haase et al.
Reese Randolph A.
SI Handling Systems Inc.
Spar Robert J.
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