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US 7,066,692 B2Granted
Dual chuck electrical hand drill
OwnerJayme K. Kuhninventor
Life of this patent
Estimating the term…
Abstract
A drill comprising: a power head having a first chuck positioned on a first end and a second chuck positioned on an opposite second end of the power head; a handle attached to the power head, the handle having a trigger switch for controlling a drive motor coupled to the first and second chucks.
Claims29
A drill comprising:
- a power head having a first chuck positioned on a first end and a second chuck positioned on an opposite second end of said power head;
- a handle attached to said power head, said handle having a first trigger switch on a first side of said handle and a second trigger switch on an opposite second side of said handle, said first and second trigger switches controlling a drive motor coupled to said first and second chucks;
- and
- a selector switch, said selector switch for either enabling said first trigger switch and disabling said second trigger switch or for enabling said second trigger switch and disabling said first trigger switch;
- a protective cover slidably mounted to said power head, said protective cover exposing said second chuck and covering said first chuck when slid to a first end position and said protective cover exposing said first chuck and covering said second chuck when slid to a second and opposite end position;
- and
- wherein said protective cover is operable to retract said first trigger switch into said handle when said protective cover is slid to said first end position and to retract said second trigger switch into said handle when slid to said second end position.
4 more elements
A drill comprising:
- a power head extending along a longitudinal axis, said power head having a first chuck positioned on a first end and a second chuck positioned on an opposite second end of said power head;
- a handle extending along a direction substantially perpendicular to said longitudinal axis, said handle attached to said power head, said handle having a first trigger switch on a first side of said handle adjacent to said first chuck and a second trigger switch on an opposite second side of said handle adjacent to said second chuck, said first and second trigger switches controlling a drive motor mounted in said power head and coupled to said first and second chucks;
- a selector switch having a first position for enabling said first trigger switch and disabling said second trigger switch and a second position for enabling said second trigger switch and disabling said first trigger switch;
- and
- a protective cover slidably mounted to said power head, said protective cover slidable along said longitudinal axis between a first end position and an opposite second end position, said protective cover is at least of sufficient length to expose said second chuck and cover said first chuck when slid to a first end position and said protective cover is at least of sufficient length to expose said first chuck and cover said second chuck when slid to a second end position, wherein said protective cover is operable to retract said first trigger switch into said handle when said protective cover is slid to said first end position and to retract said second trigger switch into said handle when slid to said second end position.
2 more elements
Dependencies are inferred from the claim text.