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US 6,550,786 B2Granted
Removable chuck
AssigneeBlack & Decker Inc.
InventorsRobert H. Gifford, Richard J. Heavel, Alfred H. Judge, Thomas T. Bludis
Life of this patent
Estimating the term…
Abstract
A removable chuck has a chuck member for holding a drill bit. Also, a mechanism is coupled with the chuck body to retain the chuck body to a drill spindle. The retention mechanism, in a first position, a biasing member in a non-biasing condition, retains the chuck on the drill spindle and in a second position, with the biasing member in a biased condition, the chuck is enabled to be removed from the spindle.
Claims18
A removable chuck comprising:
- a sleeve for connecting with a rotating spindle;
- a chuck coupled with said sleeve;
- a locking mechanism for retaining said sleeve on the rotating spindle, said locking mechanism including a spring movable from a first position, coupling the sleeve with a spindle recess, to a second position, where said spring is out of the spindle recess;
- and
- said locking mechanism moving between said first position, where said sleeve is locked with said spindle, to said second position where said sleeve may be removed from the spindle.
2 more elements
A hand tool comprising:
- a hand tool having a rotatable spindle, said spindle including a recess;
- and
- a removable chuck, said removable chuck comprising:
- a sleeve for connecting with the rotating spindle;
- a chuck coupled with said sleeve;
- a locking mechanism for retaining said sleeve on the rotating spindle, said locking mechanism including a spring movable from a first position, coupling the sleeve with the spindle recess, to a second position, where said spring is out of the spindle recess;
- and
- said locking mechanism moving between said first position, where said sleeve is locked with said spindle, to said second position, where said sleeve may be removed from the spindle.
5 more elements
A removable chuck comprising:
- a sleeve for connecting with a rotating spindle;
- a chuck coupled with said sleeve;
- a locking mechanism for retaining said sleeve on the rotating spindle, said locking mechanism including a yoke member with a pin movable from a first position, coupling the sleeve with a spindle recess, to a second position, where said yoke member with the pin is out of the spindle recess;
- and
- said locking mechanism moving between said first position, where said sleeve is locked with said spindle, to said second position where said sleeve may be removed from the spindle.
2 more elements
A hand tool comprising:
- a hand tool having a rotatable spindle, said spindle including a recess;
- and
- a removable chuck, said removable chuck comprising:
- a sleeve for connecting with the rotating spindle;
- a chuck coupled with said sleeve;
- a locking mechanism for retaining said sleeve on the rotating spindle, said locking mechanism including a yoke member with a pin movable from a first position, coupling the sleeve with the spindle recess, to a second position, where said yoke member with the pin is out of the spindle recess;
- and
- said locking mechanism moving between said first position, where said sleeve is locked with said spindle, to said second position, where said sleeve may be removed from the spindle.
5 more elements
Dependencies are inferred from the claim text.