Chucks or sockets – Socket type – Obliquely guided reciprocating jaws
Patent
1986-03-13
1987-11-03
Bilinsky, Z. R.
Chucks or sockets
Socket type
Obliquely guided reciprocating jaws
408240, B23B 3104
Patent
active
047039418
ABSTRACT:
The percussion drill apparatus is comprised of a drill spindle which powers the chuck, and the connection for rotation of the drill chuck to the drill spindle is by way of at least one coupling element which is secured in retainers respectively provided in the drill spindle and the chuck body, but allowing the operating mode with axial shifting or displacement, which mode can be terminated, or selected, by a locking mechanism having a coupling ring. The locking mechanism includes a lock element which is guided in the chuck body and which can project into a longitudinal groove extending axially in the drill spindle. The lock element can be actuated by a control sleeve which surrounds the chuck body and which can be rotated with respect thereto, to be moved, for precluding the axial displacement, into a retainer depression or pocket at the respective upper terminus of the longitudinal groove. The control sleeve includes a radially outwardly directed formation which allows exit of the lock element from the depression, and it is taken along when considered in the direction of rotation by the coupling ring. At its rim which is directed towards the control ring, the coupling ring has teeth which can engage in matching teeth of the control ring.
REFERENCES:
patent: 2684856 (1954-07-01), Stoner
patent: 3985368 (1976-10-01), Better et al.
patent: 4131165 (1978-12-01), Wanner et al.
patent: 4491444 (1985-01-01), Rumpp et al.
Bilinsky Z. R.
Dubno Herbert
Ross Karl F.
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