Reciprocatory saw
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United States of America Patent
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Jan 4, 2011
Grant Date -
Sep 4, 2008
app pub date -
Feb 8, 2008
filing date -
Mar 1, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A reciprocatory saw, in particular, a jigsaw, is made up of a pitman with a chuck arranged for the releasable clamping of a saw blade. The chuck contains a movably mounted chuck jaw arrangement able to be clamped laterally against the saw blade shank, a wedge element arrangement adjacent to and for cooperation with the chuck means, a first spring acting downwardly on the inserted saw blade and a second spring acting on the wedge element arrangement downwardly. The wedge element arrangement is connected with the chuck jaw arrangement in a manner for the transmission of rotary movement and from the outside and is able to be shifted between a bottom clamping position clamping the chuck jaw arrangement against the saw blade shank and a top release position freeing the chuck jaw arrangement. The wedge element arrangement assumes an angular position turned in relation to the clamping position and is seated on a stationary holding face.
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