.~.~ Pneumatic type motor (e.g., air hammer, etc.)
DEFINITION
Classification: 181/230
Pneumatic type motor (e.g., air hammer, etc.):
(under subclass 212) Subject matter wherein the fluid conducting attenuating device is mounted on the exhaust end of a compressed air or vacuum actuated motor (i.e., air hammer, tool, etc.).
(1) Note. Structure claimed in combination with the silencer and which goes beyond the scope of the class is classified with the art device. For example, the combination of an impact tool plus a muffler for the tool is classified with the impact tool.
SEE OR SEARCH CLASS
173, Tool Driving or Impacting, appropriate subclasses for pneumatic tools, and specifically Digest 2 for sound muffling.
415, Rotary Kinetic Fluid Motors or Pumps,
119, for sound or vibratory wave absorbing or preventing means.
