Cylinder and housing assembly for pneumatic tool

Details Cylinder and housing assembly for pneumatic tool Cylinder and housing assembly for pneumatic tool

1990-01-26

1991-05-21

Vrablik, John J.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

418270, 921711, F01C 1344, F01C 1302, F01C 2110

Patent

active

050171097

ABSTRACT:
A pneumatic tool has a one-piece metal tube forming an air motor cylinder and an associated air inlet plenum. Air passages are formed between an inner housing, molded in situ about the motor cylinder tube, and an outer housing separately molded. The inner and outer housings are both formed from a non-metal composite material which contributes to operator comfort by its light weight, thermal insulation, vibration damping, and noise suppressing properties. The tool may be assembled to provide forward exhaust, rearward exhaust, or combined forward and rearward exhaust.

REFERENCES:
patent: 3190183 (1965-06-01), Walker et al.
patent: 3485179 (1969-12-01), Dawes
patent: 3827834 (1974-08-01), Kakimoto
patent: 4515513 (1985-05-01), Hayase et al.
patent: 4631012 (1986-12-01), Eckman
patent: 4740144 (1988-04-01), Biek
patent: 4962787 (1990-10-01), Mayhew

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