Selectively positioned muffler

Details Selectively positioned muffler Selectively positioned muffler

1977-05-20

1979-01-23

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181256, 181264, 173DIG2, 417312, 418181, 418270, F01N 300

Patent

active

041356020

ABSTRACT:
A muffler is integrally incorporated with a pneumatic tool by cooperating with the tool housing intermediate the air exhaust chamber for the air motor and atmosphere. An inwardly dished muffler shell includes an exhaust inlet for receipt of exhaust air from the air motor. The shell is selectively positionable and may be combined with screen and additional muffler material as well as a retaining plate in any of a number of combinations to provide distinctive muffling characteristics for the air tool.

REFERENCES:
patent: 2774439 (1956-12-01), Chesser
patent: 4042062 (1977-08-01), Tooley

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