Patent ID: 8047327
Filing Date: 2011-11-01
Classification: B25F,F01N,Y10S

Abstract:
1. A muffler for mounting to any one of a plurality of handheld pneumatic tools, each one of the plurality of tools comprising a body with a tool attachment end and an exhaust end, and an air adapter in fluid communication with an interior of the body for supplying pressurized air thereto, the muffler comprising: a hollow casing adapted to be mounted to any one of the plurality of tools with a first face of said casing adjacent the air adapter and a second face of said casing opposite the first face adjacent the exhaust end; a layer of insulating material lining an inner wall of said casing; and a biasing member mounted between the air adapter and said first face, said biasing member biasing said second face against the exhaust end, wherein said biasing member comprises a spring.