Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-12-14
1991-03-19
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
33561, G08B 2100
Patent
active
050014641
ABSTRACT:
A contact detecting system in a machine tool, used in combination with a switch-contained touch sensor seared in a spindle of the machine tool having a movable stylus for making an usually closed switch open by moving itself due to contact with an object such as a workpiece to be detected, which can obtain an output from a sensor unit when the stylus is brought into contact with the workpiece.
REFERENCES:
patent: 4447958 (1984-05-01), Tanaka
patent: 4543732 (1985-10-01), Maples
patent: 4716656 (1988-01-01), Maddock et al.
patent: 4864294 (1989-09-01), Fukuhisa
Daishowa Seiki Co., Ltd.
Mullen Jr. Thomas J.
Swann III Glen R.
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