Roller mandrell chuck

Details Roller mandrell chuck Roller mandrell chuck

1985-11-22

1988-01-19

Bilinsky, Z. R.

Chucks or sockets

Expanding

Collet type

82 44, 269 481, B23B 3140

Patent

active

047201142

ABSTRACT:
This invention relates to a ball-type chucking mandrel having several chucking balls that are arranged in an evenly distributed manner in the chucking area. These chucking balls are held in a uniform axial position by means of a contact shoulder. In addition, the chucking balls rest against a chucking body that can be shifted with respect to the contact body axially, but is secured with respect to rotation, said chucking body having a uniform cone surface or conical surface. In the case of an axial shifting of the chucking body, the chucking balls move radially to the outside or the inside. In order to also be able to exercise certain torques on the chucked body, the chucking balls are rigidly connected with one other in pairs so that the chucking balls cannot roll off at the chucked workpiece. The balls are connected with one another in pairs by means of pins, and these types of ball pairs are connected with one another to form a uniform set by means of a wire loop.

REFERENCES:
patent: 2488673 (1949-11-01), Madsen
patent: 2499781 (1950-03-01), Rothenberger
patent: 3026115 (1962-03-01), Brauer, Jr. et al.
patent: 4463938 (1984-08-01), Dearman

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