Variably operable hand-held device

Details Variably operable hand-held device Variably operable hand-held device

1988-07-01

1989-11-07

Bishop, Steven C.

Chucks or sockets

Socket type

Lost motion

279 1B, 408 9, B23B 3104

Patent

active

048786799

ABSTRACT:
A hand-held device, such as a hammer drill, has a replaceable axially extending holder for a working tool. The device includes a sensor and a signal transmitter for adjusting its operating characteristics. The holder has through openings containing locking elements and control elements. The locking elements and control elements are radially displaceable within the through openings by a locking sleeve. The position of the locking sleeve in the axial direction of and relative to the holder determines the cooperation of the sensor and the signal transmitters.

REFERENCES:
patent: 3587361 (1971-06-01), Smith
patent: 4413936 (1983-11-01), Kuhlmann
patent: 4491444 (1985-01-01), Rumpp et al.
patent: 4592560 (1986-06-01), Neumaier et al.

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