Drill for smooth- and hex-shank bits

Details Drill for smooth- and hex-shank bits Drill for smooth- and hex-shank bits

2005-02-08

2005-02-08

Howell, Daniel W. (Department: 3722)

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

C279S137000, C279S155000

Reexamination Certificate

active

06851678

ABSTRACT:
A drill has a drive unit having a spindle rotatable about an axis and having an axially forwardly directed front end formed centered on the axis with an axially forwardly open polygonal-section socket dimensioned to fit with a standard-size bit shank, a chuck body mounted on the spindle, rotatable about the axis at the front end, and having an axially forwardly open tool recess, and a plurality of jaws displaceable in the body to grip a bit in the recess.

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