US PATENT SUBCLASS 72 / 431
.~ Including yieldable connection in drive train to movable tool

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

429  DF  WITH MEANS TO DRIVE TOOL {11}
431.~ Including yieldable connection in drive train to movable tool {2}
432  DF  .~.~> Including pneumatic or hydraulic connection
433  DF  .~.~> Including metallic spring connection {1}

DEFINITION

Classification: 72/431

Including yieldable connection in drive train to movable tool:

(under subclass 429) Apparatus wherein the tool moving means includes mechanism for transmitting motion from a driving member to the tool, and said mechanism permits motion of the driving member (in a direction tending to urge the tool toward the work) even though motion of the tool has stopped.

(1) Note. Included in this and indented subclasses is disclosure of a shock-absorber within the motion-transmitting mechanism.

SEE OR SEARCH CLASS

83, Cutting,

543, for disclosure of yieldable connection to drive a cutting tool.