Acoustics – Sound-modifying means – Housing or enclosure
Patent
1981-09-01
1983-09-06
Fuller, Benjamin R.
Acoustics
Sound-modifying means
Housing or enclosure
181207, 181230, 181264, H02K 524, F01N 124, F16F 700
Patent
active
044023839
ABSTRACT:
A drill motor rigid enclosure is provided for a rock drill motor. The drill motor is encompassed within the enclosure such that viration, torque, and thrust produced by the motor is isolated from the rigid enclosure, therefore noise reduction of the drill motor is achieved.
REFERENCES:
patent: 3332504 (1967-07-01), Lowery
patent: 3599756 (1971-08-01), Pickle
patent: 3667571 (1972-06-01), Fattelay
Augustin Raymond W.
Fuller Benjamin R.
Joy Manufacturing Company
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