Tool bit chuck

Details Tool bit chuck Tool bit chuck

1996-10-02

1997-12-23

Bishop, Steven C.

Chucks or sockets

Socket type

Lost motion

279 75, 408226, B23B 31107, B23B 4516

Patent

active

057000182

ABSTRACT:
A tool bit chuck for a bit (1) having axially extending latching grooves (2) closed at the opposite ends spaced apart in the axial direction, and axially extending rotary entrainment grooves (3) open at the trailing end of the bit. The chuck has entrainment elements (8) and radially displaceable latching elements (8). The latching elements (4) provide axially directed retention of the bit (1), while the entrainment elements (8) transmit torque to the bit (1). The entrainment elements are shaped as roll bodies, such as cylinders, to prevent wear caused by friction.

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