Push-button controlled apparatus for releasably storing a tool b

Details Push-button controlled apparatus for releasably storing a tool b Push-button controlled apparatus for releasably storing a tool b

1989-09-19

1991-01-08

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Miscellaneous

Drill guide

81490, B23B 4500

Patent

active

049830805

ABSTRACT:
A tool bit such as a screw driving bit for use with a rotary power tool is conventiently stored in a cavity in the rotary power tool housing when not in use in a power tool chuck. The tool bit is retained in the recess by frictional engagement with a retainer spring. A push-button protruding from the rotary tool housing communicates with the bit holding cavity and retainer spring in a manner such that, upon depression of the push-button, the retainer spring is moved out of frictional engagement with the bit to enable its release from the storage cavity.

REFERENCES:
patent: 647396 (1927-11-01), Decker
patent: 722899 (1903-03-01), Reeder
patent: 873625 (1907-10-01), Starrett
patent: 1222320 (1917-04-01), Pauli
patent: 1938860 (1933-12-01), Rener
patent: 2158728 (1939-05-01), Peters
patent: 3348432 (1967-10-01), Kiefer, III
patent: 4409866 (1983-10-01), McBride
patent: 4491443 (1985-01-01), De Caro
patent: 4588335 (1986-05-01), Pearson, Jr.

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