Muffler for a pneumatic hammer

Details Muffler for a pneumatic hammer Muffler for a pneumatic hammer

1980-05-21

1985-12-17

Reynolds, W. C.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

173162H, B23B 4504, B25D 120, B25D 122

Patent

active

045587639

ABSTRACT:
A muffler for a pneumatic hammer of the type in which a cylinder receives a piston or ram which is pneumatically driven into contact with an anvil, e.g. the rear end of a tool, and in which the discharge of the air is muffled to limit the noise generated by the apparatus. The air to be discharged into the atmosphere is vented into an annular space between an outer wall of a sleeve or head surrounding the cylinder and connected by an elastic suspension thereto.

REFERENCES:
patent: 1644030 (1927-10-01), Prellwitz
patent: 2058583 (1936-10-01), Forss
patent: 2830560 (1958-04-01), Doeden
patent: 2899934 (1959-08-01), Salengro
patent: 3202239 (1965-08-01), Clarke
patent: 3554316 (1971-01-01), Judd et al.
patent: 3809179 (1974-05-01), Delaney, Jr. et al.
patent: 3847232 (1974-11-01), Klushin et al.
patent: 4227591 (1980-10-01), Klaus et al.

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