Load counterbalancing system with a constant load displacement f

Details Load counterbalancing system with a constant load displacement f Load counterbalancing system with a constant load displacement f

1997-07-16

1999-10-12

Berger, Derek J.

Supports

Machinery support

Movable machine

248550, 73825, F16M 100, G01D 1800

Patent

active

059644451

ABSTRACT:
A load counterbalancing system with a constant load displacement force includes a load element, a position transducer and an actuator element. An environmental force acting upon the load element is counterbalanced by a support force provided by the actuator element. The environmental force is assumed to be a predetermined function of the position of the load element, and the actuator element applies the support force to the load element as defined by the predetermined function. The invention allows an operator to move the load element through its entire range of motion with a constant applied force, and to place the load element statically at any position in the range of motion.

REFERENCES:
patent: 4047427 (1977-09-01), Young
patent: 4332175 (1982-06-01), Krainski, Jr.
patent: 4591128 (1986-05-01), Karlichek et al.
patent: 4846436 (1989-07-01), Young et al.
patent: 5092800 (1992-03-01), Hirt
patent: 5360195 (1994-11-01), Young
patent: 5613419 (1997-03-01), Pierson et al.
patent: 5626332 (1997-05-01), Phillips et al.

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