Hand-held device with tool sensing means

Details Hand-held device with tool sensing means Hand-held device with tool sensing means

1988-06-20

1989-05-16

Yost, Frank T.

Cutting by use of rotating axially moving tool

With control means energized in response to activator...

To control tool rotation

173104, B23B 4502

Patent

active

048305499

ABSTRACT:
A hand-held device with a holder for a working tool has a sensing mechanism for automatically initiating different operating modes. Different configurations of working tools inserted into the holder can be sensed by sensing elements in the form of balls. The balls cooperate with pivotal levers and a sensor for producing switching signals for initiating a switching operation.

REFERENCES:
patent: 4292571 (1981-09-01), Cuneo
patent: 4540318 (1985-09-01), Hornung et al.
patent: 4673318 (1987-06-01), Hornung et al.

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