US PATENT SUBCLASS 414 / 22.51
WELL PIPE OR ROD RACKING MECHANISM


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

22.51WELL PIPE OR ROD RACKING MECHANISM {3}
22.52  DF  .~> With slope change {4}
22.62  DF  .~> Horizontal rack
22.63  DF  .~> Vertical rack {3}


DEFINITION

Classification: 414/22.51

WELL PIPE OR ROD RACKING MECHANISM:

(under the class definition) Apparatus for moving a cylindrical member in the form of a pipe or rod from or to racked or storage position over a well.

(1) Note. The device classified here are normally used in connection with the assembling or disassembling of strings of pipes or rods in well working operations.

(2) Note. A stabber or a hoist is included herein if it could be used to move a pipe or rod to or from a rack.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23, for an apparatus for handling a pole or tree between prone and upright positions.

24, for an apparatus for lowering glass cylinders from an upright position.

745.2, for apparatus for moving or manipulating an elongated vertically oriented cylindrical bar, generally. SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

85, for an earth boring means combined with orienting or racking means for unconnected tools or sections of shaft or casing.

211, Supports: Racks,

60.1, for pipe or tube racks, per se.