Power driven hammer drill
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United States of America Patent
Stats
-
May 8, 1984
Grant Date -
N/A
app pub date -
Sep 14, 1981
filing date -
Oct 21, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power driven hammer drill has a tool impacting mechanism, a wobble unit for reciprocating the tool striking mechanism and having a drum member which can be releasably coupled with an intermediate shaft driven by a motor, wherein a switching device is provided outside of a hammer drill housing and arranged so as to disengage a coupling element of the intermediate shaft out of a coupling element of the drum member of the wobble unit against the action of a spring.
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Family
International Classification(s)
Cited Art Landscape
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