US PATENT SUBCLASS 60 / 417
.~.~ Stroke device driven by successively operated energy input structure and stored energy structure

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
413  DF  .~ With control means for structure storing work driving energy (e.g., accumulator, etc.) {5}
417.~.~ Stroke device driven by successively operated energy input structure and stored energy structure

DEFINITION

Classification: 60/417

(under subclass 413) Apparatus including a storage vessel for compressed gas and a motive liquid pump both arranged to deliver motive liquid to an output motor; and a manual or automatic controller that selects the energizer or combination of energizers to produce both a rapid and a slow movement in a stroke operation such as a slow press and rapid retraction or a rapid advance to contact the work and a slow press.