.~ Including yieldable connection in drive train to movable tool {2}
432
.~.~ Including pneumatic or hydraulic connection
DEFINITION
Classification: 72/432
Including pneumatic or hydraulic connection:
(under subclass 431) Apparatus wherein the motion-transmitting mechanism includes a gaseous and/or fluid medium.
(1) Note. A fluid medium, per se, is not necessarily yieldable or compressible. Therefore, a system comprising a generator of fluid pressure and a tool- moving motor using that pressure (the system having no pressure-relief device) is normally to be found in subclass 453.1.
SEE OR SEARCH THIS CLASS, SUBCLASS:
453.1, and see (1) Note above.
SEE OR SEARCH CLASS
83, Cutting,
639.1+, for disclosure of fluid-pressure-actuated cutting tool. 173, Tool Driving or Impacting, for disclosure of other hydraulic tool-drive means of general application.
