Power assisted adjustment system

Details Power assisted adjustment system Power assisted adjustment system

1994-10-31

1996-11-26

Chotkowski, Karen J.

Supports

With condition responsive control means

2481884, F16M 1300

Patent

active

055777031

ABSTRACT:
There is disclosed a power assisted adjustment system for a power assuming or bearing a load member in a desired condition, comprising an actuator in combination with an adjustment member adaptable for assuming a load, and a hydraulic cylinder for temporarily reducing the load on the adjustment member, thereby permitting adjustment of extremely heavy loads with a nominal input force to the actuator. The actuator is operably engagable with the adjustment means and movable relative to the adjustment member. Electric switch operably connected with the actuator actuates the cylinder between an activating position and non-activating position, thereby permitting adjustment of the adjustment member in response to movement of the actuator in the activating condition. An input force or torque applied to the actuator effects a desired adjustment of the adjustment member. When the input force is stopped or interrupted, the actuator is biased to a non-activating position. The cylinder is deactivated and ceases to assume the portion of the load taken up, and that portion of the load is returned or transferred back to the adjustment member.

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