Saw blade changing tool

Details Saw blade changing tool Saw blade changing tool

2011-04-19

2011-04-19

Wilson, Lee D (Department: 3727)

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

C029S255000, C029S281100, C029S278000, C029S281600

Reexamination Certificate

active

07926158

ABSTRACT:
A blade changing tool for changing a blade for saws, particular table saws, is provided. The tool includes a body having a face that includes at least one recess for receiving and engaging a saw blade. Typically, the face will include a plurality of axially offset recesses resulting in a stepped face. A blade face abutment surface and a riser extending therefrom combine to form the recesses. The risers may be concave in shape giving the recesses a circular segment shape. The body also includes at least one blade engaging catch that engages teeth of the blade to prevent rotational movement of the blade while it is being loosened or tightened. The tool may be free of undercuts to facilitate straight-pull molding. Also, the stepped face may be an external face to facilitate visually inspecting the engagement between the blade and the tool.

REFERENCES:
patent: 2878701 (1959-03-01), Weersma
patent: 5231733 (1993-08-01), Dittman
patent: 5829324 (1998-11-01), Secor
patent: 5983480 (1999-11-01), Fontaine et al.
patent: 7028999 (2006-04-01), Sunadome
patent: 7621504 (2009-11-01), McCallum
patent: 2007/0264094 (2007-11-01), Seeley
patent: 2008/0276450 (2008-11-01), Kozina et al.

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