Pneumatic hammer with twist retainer

Details Pneumatic hammer with twist retainer Pneumatic hammer with twist retainer

1978-10-10

1980-11-04

Bilinsky, Z. R.

Chucks or sockets

Socket type

Lost motion

279 75, 279 81, 403357, B23B 3122

Patent

active

042315816

ABSTRACT:
A pneumatic hammer is provided with a quick-change retainer which may be twisted between an open position in which a tool may be inserted or removed and a closed position in which the tool is locked within the retainer. A compressible lock rod is provided to hold the retainer in at least the closed position and preferably the open position also. A stop means limits the twisting movement at the open and closed positions.

REFERENCES:
patent: 1888685 (1932-11-01), Norling
patent: 2470385 (1949-05-01), Wenger
patent: 3466772 (1969-09-01), Phillips
patent: 4002348 (1977-01-01), Johnson

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