Edge sensor with multi-size outer engagement surfaces

Details Edge sensor with multi-size outer engagement surfaces Edge sensor with multi-size outer engagement surfaces

1991-05-01

1992-09-22

Haroian, Harry N.

Geometrical instruments

Gauge

Movable contact probe, per se

33644, G01B 700

Patent

active

051486083

ABSTRACT:
An edge sensor includes a housing having an outer grasping surface adapted to be grasped by a collet, the outer grasping surface having a plurality of different outer dimensions for engagement with different sized collets, respectively; a metal ball extending from the housing for contacting a workpiece; a plurality of light emitting diodes for indicating contact of the workpiece with the ball; a spring holding the ball to the housing in a centered manner; and electrical wires within the housing for enabling energizing of the light emitting diodes in response to contacting of the workpiece with the ball.

REFERENCES:
patent: 1289640 (1918-12-01), Buchanan
patent: 4621436 (1986-11-01), Kurimoto
patent: 4829677 (1989-05-01), Yuzuru

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