US PATENT SUBCLASS 83 / 527
.~ Means to change datum plane of tool or tool presser stroke

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
527.~ Means to change datum plane of tool or tool presser stroke {3}
528  DF  .~.~> For disabling of continuously actuated cutter
529  DF  .~.~> With adjustable stop
530  DF  .~.~> By varying length of tool stroke

DEFINITION

Classification: 83/527

(under subclass 523) Apparatus wherein means is provided for varying the location of one or both of the limits of travel of the tool or a planar tool-moving member (e.g., the presser of a clicker die press) in its cutting or retraction motion.

(1) Note. Where an adjustable drive has the disclosed purpose of varying the mechanical advantage, such device is classified in subclasses 606 and 634 even though, in changing the mechanical advantage, the datum plane of the tool may also be varied.

SEE OR SEARCH THIS CLASS, SUBCLASS:

248, for means to change datum plane of tool in apparatus having a tool which engages work during dwell of intermittent work-feed.

606, see (1) Note above.

634, see (1) Note above.