Power assist handle

Details Power assist handle Power assist handle

1987-11-25

1989-05-16

Shoop, Jr., William M.

Machine element or mechanism

Control lever and linkage systems

Resilient connections

74469, 180 648, 180 65, G05G 100

Patent

active

048298441

ABSTRACT:
A power assist handle for providing control signals to a servo mechanism includes a spring-guided means of allowing motion of an input handle in only two directions in a configuration which has almost no friction between stationary and moving parts. Motion is sensed by a pair of Hall-effect sensors, each of which provides a signal output proportional to the displacement of the input handle in a respective orthogonal direction. The sensors and associated permanent magnets are arranged so that each is sensitive in one of the two directions and insensitive in the other.

REFERENCES:
patent: 4036321 (1977-07-01), Habiger
patent: 4367373 (1983-01-01), McDaniel et al.
patent: 4697661 (1987-10-01), Pajerski et al.

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