US PATENT SUBCLASS 414 / 22.68
.~.~ With laterally guided pipe or rod support

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

22.51  DF  WELL PIPE OR ROD RACKING MECHANISM {3}
22.63  DF  .~ Vertical rack {3}
22.68.~.~ With laterally guided pipe or rod support {2}
22.69  DF  .~.~.~> On inclined derrick mounted track
22.71  DF  .~.~.~> Both upper and lower pipe or rod holding and guiding means

DEFINITION

Classification: 414/22.68

With laterally guided pipe or rod support:

(under subclass 22.63) Apparatus wherein the means to move supports the cylindrical member against gravity and is controlled to move along a fixed path.