Scroll saw with a saw blade that is easy to replace
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United States of America Patent
Stats
-
Apr 27, 2004
Grant Date -
N/A
app pub date -
Mar 27, 2003
filing date -
Feb 18, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A scroll saw includes upper and lower driving arms, a saw blade, a blade retaining unit, push rod, a biasing unit, and an actuating unit. The blade retaining unit includes a pivot seat mounted pivotally on a distal end of the upper driving arm, and an upper blade holder mounted on the pivot seat. The pivot seat is pivotable relative to the upper driving arm from a first position, where the upper blade holder engages an upper blade end of the saw blade, to a second position, where the upper blade holder disengages from the upper blade end. The biasing unit provides a biasing force that pivots the pivot seat to the first position. The actuating unit provides a pressing force on the push rod to push the pivot seat to pivot to the second position so as to permit release of the saw blade.
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