F - Mech Eng,Light,Heat,Weapons – 01 – B
Patent
F - Mech Eng,Light,Heat,Weapons
01
B
138/83
F01B 15/00 (2006.01) B65G 25/06 (2006.01)
Patent
CA 1272426
Abstract of the Disclosure Piston rods of three linear hydraulic motors are connected at their outer ends to two spaced apart transverse frame members. A cylinder housing is driven back and forth along each pair of piston rods. Three transverse drive beams are provided. Each drive beam is directly connected to an associated one of the cylinder housings. Three sets of floor slat members are provided. Each set is connected to an associated one of the transverse drive beams. The linear hydraulic motors are operated for moving the floor slat members in one direction, for advancing a load, and for retracting them in an opposite direction. Each cylinder housing has four fluid chambers. First and third chambers are interconnected and the second and fourth chambers are interconnected. This arrangement provides adequate force producing area with a relatively small diameter cylinder housing. Fluid passageways are formed in the piston rods. Transfer valves are incorporated in end portions of some of the linear hydraulic motors. Each transfer valve includes an actuator rod which extends through the passageway in its piston rod. U-shaped tubes are clamped onto the outer end portions of the piston rods by means of clamp plates and interconnecting nut and bolt assemblies.
546168
Foster Raymond Keith
Gowling Lafleur Henderson Llp
LandOfFree
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