B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/25
B25B 21/00 (2006.01) B25B 23/00 (2006.01)
Patent
CA 1254773
ABSTRACT OF THE DISCLOSURE 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 engagment with a split-ring detent on the nose portion. A locator member is threadably connected inside the adjustment member, but is restrained 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.
465037
Miller John W.
O'hara Frank
Black & Decker Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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