Blade clamp for reciprocating saw
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United States of America Patent
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Dec 11, 2012
Grant Date -
Jun 9, 2011
app pub date -
Jan 28, 2011
filing date -
Oct 28, 2003
priority date (Note) -
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Abstract
A jigsaw drive shaft is connected to a blade by the blade clamp of the present invention. The blade clamp comprises a clamp body mounted securely to the drive shaft by a bracket. The clamp body has a hollow portion formed to receive an upper portion the jigsaw blade. The clamp body also includes a hollow tubular extension. A cam body is pivotable about an axis through a cylindrical bore such that cam surfaces move in and out of contact with an interior surface of the clamp body to engage or release the blade. A spring biases the cam body into engagement with the clamp body surface. The user must press on a protrusion of the cam body to pivot the cam surfaces way from the clamp surface and against the force of the spring.
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