| 摘要 |
An enclosed fluid drive system for cycling the beams in a reciprocating floor between a reset position and a delivery position wherein an array of fluid motors engages the beams for moving the same and the fluid drive system includes an exhaust system wherein the various fluid motors are sequentially exhausted to move the beams from their delivery position to a reset position in sequence. The fluid motors each include a piston and a piston rod which is slidably supported within a passage in an end cap at one end of the motor cylinder. Each end cap and piston rod together form an integral part of the exhaust system which allows the fluid motors to be sequentially exhausted.
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