Cutting by use of rotating axially moving tool – Miscellaneous – Drill guide
Patent
1984-03-15
1987-03-03
Bilinsky, Z. R.
Cutting by use of rotating axially moving tool
Miscellaneous
Drill guide
408113, 408202, 81429, B25B 2100
Patent
active
046472606
ABSTRACT:
A depth-adjusting system for a power tool includes a housing nose portion on which is snapped a two-piece, molded plastic depth-adjusting subassembly. Each member of the subassembly engages a respective area of the nose portion. An adjustment member is rotatably connected to the nose portion, but is releasably restrained from axial movement upon engagement with a split-ring detent on the nose portion. A locator member is threadably connected inside the adjustment member, but is restained from rotating through the interaction of integral keys formed on its interior cylindrical surface with mating longitudinal keyways formed on the nose portion. Thus when the operator rotates the adjustment member, the locator member is forced to move axially forwardly or rearwardly, depending upon the direction of rotation of the adjustment member. Another feature of this system is the use of protuberances integrally formed in the rear axial end of the locator member to inhibit lock-up between the locator member and the adjustment member after the locator member has been drawn inwardly to its rearmost position.
REFERENCES:
patent: 1013438 (1912-01-01), Post
patent: 2346706 (1944-04-01), Stoner
patent: 2381087 (1945-08-01), Stewart
patent: 2711324 (1955-06-01), Andreasson
patent: 3527273 (1970-09-01), Falter
patent: 3712352 (1973-01-01), Lafferty, Sr.
patent: 3969960 (1976-07-01), Pagano
Miller John W.
O'Hara Frank
Bilinsky Z. R.
Black & Decker Inc.
Hoofnagle J. Bruce
Howell Daniel W.
Murphy Edward D.
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