| 摘要 |
An auxiliary blade tensioning device for a scroll saw 10 permits quick selective adjustment of the tension of the blade 20. A scroll saw 10 utilizing the blade tensioning device of the invention preferably includes a pair of arms 14 and 16 mounted on a frame 12 for cooperative support of a saw blade 20 and reciprocation by a power assembly 18. The uppermost, articulated arm 14 is coupled with a camming mechanism 22 for quick, selective tensioning of a replacement saw blade 20.
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