B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
214/101
B60P 1/00 (2006.01) B62D 21/14 (2006.01) B62D 53/06 (2006.01)
Patent
CA 1056775
ABSTRACT A mechanism for moving a slidable load carrier to and fro along a trailer includes a hydraulic double- acting servomotor having a piston rod which selectively engages with one or other of two sets of oppositely directed lugs, in the form of ratchet teeth, carried by a channel member fixed to the underside of the load carrier. The hydraulic servomotor is pivotally mounted on the trailer and the sets of ratchet teeth engaged are selected, for movement in either a forward direction or backward direction, by adjusting the angle of inclination of the hydraulic servomotor in a vertical plane which is controlled by a pneumatic servomotor coupled through a horizontally extending operating rod. The pneumatic control servomotor has a diaphragm disposed in a vertical plane in a casing which is provided at the bottom with a drain valve for removing water condensed within the interior.
253856
LandOfFree
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