Hand tightenable device for holding a cutting implement

Details Hand tightenable device for holding a cutting implement Hand tightenable device for holding a cutting implement

1985-01-14

1987-04-28

Weidenfeld, Gil

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 1B, 279 63, B23B 3100, B23B 522

Patent

active

046608419

ABSTRACT:
A hand tightenable chuck for holding a cutting implement in place has been developed. The chuck uses two screw systems to achieve the proper degree of tightness; a first system providing a coarse tightening or pinching of the shaft and a second providing a clamping action. The combination of screw systems eliminates the need for the key used to tighten conventional chucks.

REFERENCES:
patent: 323179 (1885-07-01), Mason
patent: 323181 (1885-07-01), Mason
patent: 833351 (1906-10-01), Townsend
patent: 2387339 (1945-10-01), Meyer
patent: 3044790 (1962-07-01), Stoner
patent: 3807745 (1974-04-01), Bent
patent: 4395170 (1983-07-01), Clarey
Brookstone Catalog Entry, p. 27, Item Numbers F-09890 and F-09911 Which Pictures a 1/4" Hex Shank.
Brookstone Catalog Entry, p. 22, Item Number F-01114 Which Pictures an Adapter Chuck for Tiny Drills.
Sears Owners Manual for the Craftsman 3/8" Electronic Drill (Model Number 315.10300) Which is Believed to Mention (at p. 44) an "Auto Chuck".

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