Wrenchless holder for working tools

Details Wrenchless holder for working tools Wrenchless holder for working tools

1996-08-09

1998-09-22

Bishop, Steven C.

Chucks or sockets

Socket type

Friction grip

30392, 8369921, 279 87, B27B 1902, B23B 31107, B23B 31117

Patent

active

058103678

ABSTRACT:
The blade holder includes a mounting portion for attachment to the reciprocating plunger of a power saw. The blade holder also includes an integral exposed portion provided with a slot for receiving a substantial portion of the shank of the blade. The slot is dimensioned with respect to the blade shank such that an edge of the blade shank projects from the slot. The exposed portion of the blade holder includes an external surface in opposed relationship with the slot. A resiliently biased wedging washer engages the exposed edge of the blade and the external surface for holding the blade in place.

REFERENCES:
patent: 3901117 (1975-08-01), Hoffman
patent: 4299402 (1981-11-01), Hoffman
patent: 4441255 (1984-04-01), Hoffman
patent: 4470196 (1984-09-01), Hoffman
patent: 4528753 (1985-07-01), Kuhlmann et al.
patent: 4594781 (1986-06-01), Hoffman
patent: 4601477 (1986-07-01), Barrett et al.
patent: 4648182 (1987-03-01), Hoffman
patent: 5443276 (1995-08-01), Nasser et al.
patent: 5575071 (1996-11-01), Phillips et al.
patent: 5634277 (1997-06-01), Wada et al.
Jun. 1996, Black and Decker Superlok Product Brochure (German).

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