Chucks or sockets – Radially reciprocating jaws
Patent
1986-03-20
1987-09-01
Weidenfeld, Gil
Chucks or sockets
Radially reciprocating jaws
279123, B23B 3102
Patent
active
046904166
ABSTRACT:
The jaws of the chuck include a base jaw and a separate, releasable mounting jaw. These two jaw components are connected by at least one shaft which is guided with male-type screw threads in its one end in female-type screw threads of the base jaw. The other end has a lock head which has a projecting lock shoulder, and which lock head can engage in axial direction into a lock retainer in the mounting jaw, when the shaft has been rotated into the position corresponding to the unlocked condition. When the shaft has been rotated into the position which corresponds to the locked condition, it can engage with its lock shoulder in a dovetail formation in axial and positive locking manner. The shaft is further shaped with gear teeth which can operate in the manner of a pinion. In the apparatus there is also provided a control bolt extending transversely to the axis and guided and adapted to be shifted in its longitudinal direction in the base jaw. The control bolt has transversely extending gear-rack type teeth which can meshingly engage with the teeth of the associated shaft. For shifting of a control bolt there are provided control pieces on either side of a base jaw, and these are guided and moved in their longitudinal direction by means of push rods which are axially guided in the chuck base and which can be actuated from the outside of the chuck base against the force of reset springs disposed in the base. Motive power transmission is by wedge-type transmissions.
REFERENCES:
patent: 2667358 (1954-01-01), Highberg
patent: 2919925 (1960-01-01), Snyder et al.
patent: 2939197 (1960-06-01), Leven
patent: 3744808 (1973-07-01), Hughes
patent: 4352500 (1982-10-01), Blattry et al.
patent: 4593588 (1986-06-01), Rohm
Dubno Herbert
Howell Daniel W.
Ross Karl F.
Weidenfeld Gil
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