Power Scissor Lift
Power Scissor Lift
Hydraulic cylinders are located within and coupled to the opposite two arms of the center scissor unit to expand and collapse the same. The mobile chassis has front steering wheels mounted with hydraulic powered-caster-type wheel drive and steering apparatus. The steering king pin is laterally offset from the vertical plane through the center of wheel. A dual fail safe braking unit on the trailing wheels has an applied hydraulic cylinder unit including a floating cylinder with a single spring applied piston and rod which is supported in a fixed journal and connected to one wheel. An internal compression spring maintains the rod extended except when over loading by hydraulic pressure. A second rod is secured to the cylinder and is releasably coupled to the second wheel
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