US PATENT SUBCLASS 175 / 170
WITH TOOL DRIVE PRIME MOVER OR ABOVE-GROUND MECHANICAL MOTION CONVERTING DRIVE MEANS

Current as of: June, 1999
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175 /   HD   BORING OR PENETRATING THE EARTH

170WITH TOOL DRIVE PRIME MOVER OR ABOVE-GROUND MECHANICAL MOTION CONVERTING DRIVE MEANS {5}
171  DF  .~> With installing casing
172  DF  .~> With endless flexible conveyer
173  DF  .~> With diversely operated shafts extending into bore
189  DF  .~> Drive reciprocates tool
195  DF  .~> Rotary drive for a relatively advancing tool (e.g., rotary table)

DEFINITION

Classification: 175/170

(under the class definition) Apparatus including a means adapted to drive a boring tool through recurring cycles comprising (1) a means commonly called a motor which is adapted to convert a source of energy into simple mechanical motion or (2) a means adapted to modify the direction, location, or advantage relationship of simple mechanical motion (e.g., gear or lever).

(1) Note. A compilation of all types of motors will be found in the notes to the class definition of Class 60.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6, for underwater tool drive means.

24+, for tool drive means with automatic control.

54, for boring by below ground recirculating of unsupported elements.

55, for tool actuation by reaction of a rotating eccentric mass. 92+, for below ground drive motors.

106, for below ground mechanical motion converting means drivingly interposed between a below ground drive motor and a tool.

108, for common drive or advancing means for concurrently boring along laterally spaced axes.

113+, for single prime movement feeding and rotating a tool.

135, for above ground means to impact earth penetrating means.

319, for below ground mechanical motion converting means relatively moving plural cutting edge.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclasses for gearing and mechanical movements of general utility.

144, Woodworking,

92+, for wood boring machines.

173, Tool Driving or Impacting, appropriate subclass for a device to drive a tool, where no feature is included to make the device peculiar to a specific art, such as specific shape of the work contacting portion of the tool, etc. 408, Cutting by Use of Rotating Axially Moving Tool, appropriate subclasses for machines for cutting in the manner of that class.