Cutting by use of rotating axially moving tool – Tool-support – With tool-retaining means
Patent
1989-08-02
1990-07-31
Briggs, William
Cutting by use of rotating axially moving tool
Tool-support
With tool-retaining means
7158, 279 1A, B23B 5112
Patent
active
049446410
ABSTRACT:
A clutch engager sleeve which is capable of engaging a screw gun is disclosed. The engager sleeve is able to be secured to the screw gun, preferably by means of a threaded lock down collar. Preferably, the clutch engager is secured to the screw gun via a shank, with which it is provided. The clutch engager contacts a drill chuck by screwing the drill chuck to, preferably, its thread, and then driving a screwhead of a reverse lock down screw to secure the chuck from its front directly to the clutch engager. This arrangement prevents the chuck head from coming off in the reverse mode. The clutch engager effectively provides the necessary pressure in both forward and reverse modes.
REFERENCES:
patent: 3336611 (1967-08-01), Schepp
patent: 3843143 (1974-10-01), Laxson
patent: 4224965 (1980-09-01), Plessner
patent: 4349929 (1982-09-01), Dewey
Briggs William
Schindler Edwin D.
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