Apparatus for sensing linear and rotational position between a s

Details Apparatus for sensing linear and rotational position between a s Apparatus for sensing linear and rotational position between a s

1981-12-28

1984-12-11

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231SE, 356334, G01D 534, G01J 318

Patent

active

044880510

ABSTRACT:
Apparatus for establishing a "home" position for a load element driven axially along the lead screw. A position sensor includes a first sensor element attached for axial travel with the load element and a second sensor element attached for rotation with the lead screw. The pair of sensor elements is operatively aligned at a predetermined relative axial and rotational position establishing the "home" position.

REFERENCES:
patent: 3818224 (1974-06-01), Schmidt
patent: 4117341 (1978-09-01), Persson
patent: 4329051 (1982-05-01), Chamran et al.

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