Variably operable hand-held device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 7, 1989
Grant Date -
N/A
app pub date -
Jul 1, 1988
filing date -
Jul 1, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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