Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent
1976-06-02
1978-11-07
Sheridan, Robert G.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to regulate or vary operation of device
91508, 92 96, 137312, 214518, B60P 164
Patent
active
041241312
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. 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. The hydraulic servomotor 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.
REFERENCES:
patent: 2471579 (1949-05-01), Neuroth
patent: 2674267 (1954-04-01), McCarvell
patent: 3868890 (1975-03-01), Roberts et al.
Markva Neil F.
Sheridan Robert G.
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