Tool bit chuck

Details Tool bit chuck Tool bit chuck

1996-10-08

1998-09-15

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool or tool with support

Including detailed shank

279 193, 279 194, 279 75, 279 82, 408239R, 408240, B23B 31117

Patent

active

058070400

ABSTRACT:
A tool bit chuck for holding a bit (1) with axially extending grooves (2) closed at the ends thereof spaced apart in the axial direction. Latching elements (4) in the form of cylinders are radially displaceable into and out of the grooves (2). The latching elements (4) have an axis of rotation extending transversely of the axis of the receiving sleeve (3) in the chuck, whereby the latching elements (4) act as roll bodies in the event of an axial shift between the bit (1) and the receiving sleeve (3) so that friction which could result in premature wear, is prevented.

REFERENCES:
patent: 2807473 (1957-09-01), Kiehne
patent: 4377292 (1983-03-01), Staron
patent: 4900202 (1990-02-01), Wienhold
patent: 5013194 (1991-05-01), Wienhold
patent: 5076371 (1991-12-01), Obermeier et al.
patent: 5320459 (1994-06-01), Kleine
patent: 5346340 (1994-09-01), Runge
patent: 5398946 (1995-03-01), Quiring
patent: 5427481 (1995-06-01), Selb et al.
patent: 5558478 (1996-09-01), Odendahl et al.

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