Tools – Bolt holders
Patent
1997-03-17
1998-08-04
Peterson, Kenneth E.
Tools
Bolt holders
81 55, B25B 900
Patent
active
057877696
ABSTRACT:
A saw (10) comprises a housing, a drive spindle (20) rotatably mounted in the housing and a circular saw blade (not shown) adapted to be releasably mounted on one end of the spindle. The blade fits over the threaded end (25) of the spindle and a nut (26) clamps the blade to the spindle. The spindle is in the form of a sleeve and is rotatable about a shaft (22) fixed in the housing. The bore (30) through the end of the spindle is of hexagonal section and corresponds with a bore (32) formed in the end of the shaft.
A wrench (40) is used to remove the blade and has a socket (48) to engage the nut and a freely rotatable pin (50) which also has a hexagonal section and which is adapted to fit in the bores (30,32) when the socket is on the nut and lock the spindle to the shaft.
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Black & Decker Inc.
Dearing Dennis A.
Del Ponti John D.
Peterson Kenneth E.
Yocum Charles E.
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