B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
B61D 7/26 (2006.01) B61D 7/28 (2006.01)
Patent
CA 2079832
One double acting cylinder is attached to the doors of a gate assembly via a linkage. A lock out system cooperates with the linkage whereby different parts of the linkage may be immobilized prior to the beginning of a work cycle. The work performed by the double acting cylinder thus passes through the free parts of the linkage to actuate one door ar the other.
Fischer Robert Thomas
Galvan Guadalupe Lozano
Goudreau Gage Dubuc
Miner Enterprises Inc.
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