B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
121/38
B25D 17/12 (2006.01) B25D 17/11 (2006.01) B25D 17/24 (2006.01)
Patent
CA 2034940
ABSTRACT "Improvements in or relating to Pneumatic Tools" A pneumatic reciprocating tool comprises a cylinder body (12) and an air-operated piston (110) which reciprocates within said cylinder body during sustained use of said tool, air being exhausted from an exhaust port (24) in said cylinder body during such use. The pneumatic tool includes a silencer arrangement (126) substantially totally surrounding said cylinder body and formed of a length of metallic structural hollow section. Mounting means (128), (130) for mounting said silencer arrangement on said pneumatic tool are also provided and optionally include a vibration reducing arrangement.
Allan David T.
Fetherstonhaugh & Co.
Macdonald (john) & Company (pneumatic Tools) Limited
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