Pneumatic tool holder

Details Pneumatic tool holder Pneumatic tool holder

1988-05-16

1989-09-12

Schran, Donald R.

Cutlery

Cutting tools

With blade moving means

30392, 30393, 30394, 279 7, 279 8, 279 83, B23B 2908

Patent

active

048647276

ABSTRACT:
A pneumatic tool holder includes: a handle having a piston pneumatically driven within a cylinder in the handle, a sliding sleeve secured to the handle having a longitudinal polygonal hole formed in the sleeve and a tool clamping member generally formed as a polygonal block to be reciprocatively stably guided in the polygonal hole of the sleeve having a pair of set screws transversely inserted through the block to firmly clamp a tool shank as inserted into the block and an air passage provided in the handle and in between the tool clamping member and the sleeve for directing air stream from inside the cylinder to cool down the operating tool as held in the clamping member.

REFERENCES:
patent: 3260289 (1966-07-01), Whitten, Jr.
patent: 3741317 (1973-06-01), Unterschweiger et al.
patent: 3781025 (1973-12-01), D'Angelo
patent: 3927893 (1975-12-01), Dillon et al.
patent: 4064949 (1977-12-01), Chromy
patent: 4240204 (1980-12-01), Walton, II et al.
patent: 4727941 (1988-03-01), Fulton
patent: 4786062 (1988-11-01), Schneider

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