Rotary pneumatic tool with vibration absorbing means

Details Rotary pneumatic tool with vibration absorbing means Rotary pneumatic tool with vibration absorbing means

1977-09-22

1979-02-20

Vrablik, John J.

Rotary expansible chamber devices

Miscellaneous

415503, F01C 1302, F01C 2100, F16M 104

Patent

active

041404467

ABSTRACT:
A rotary pneumatically powered tool comprising a housing, a motor assembly mounted in the housing and comprising a pneumatic motor for rotating an output shaft, and vibration absorbing mounting means for supporting and vibration insulating the motor assembly relative to the housing. The vibration absorbing means comprises a resilient connection piece for cramping the motor assembly axially in the housing and for interconnecting air passages in the motor assembly and the housing so as to enable communication of pressure air to and from the pneumatic motor of the motor assembly.

REFERENCES:
patent: 2019964 (1935-11-01), Hamerly
patent: 3218028 (1965-11-01), Borden
patent: 3471125 (1969-10-01), Taubald et al.
patent: 3756328 (1973-09-01), Sudnishnikov et al.
patent: 3827834 (1974-08-01), Kakimoto

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