Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/114
Name: Boring or penetrating the earth > With means to simultaneously feed and rotate tool from a single mechanical element > Constant rotation rate permitted regardless of (1) release of feed force, or (2) change in feed rate
Description: Apparatus in which the mechanical movement, or means coupling the mechanical movement to the rotary drive and/or feed is adapted to rotate the tool at a uniform speed while permitting (1) complete disconnection of the feed drive or (2) a change in the speed at which the tool is being fed into the work.










Patents under this class:

Patent Number Title Of Patent Date Issued
5458207 Method and an equipment for adjusting rock drilling Oct. 17, 1995
4719978 Earth drilling device Jan. 19, 1988
4431063 Drive mechanism for drill Feb. 14, 1984
4421183 Flexible drive apparatus for boring lateral bore holes from well Dec. 20, 1983











 
 
  Recently Added Patents
Blueberry plant named `DrisBlueFour`
Image sensor and method for fabricating the same
Compositions and methods using microspheres and non-ionic contrast agents
Composite materials comprising aggregate and an elastomeric composition
Container
Image processing system, image processing apparatus, control method for image processing apparatus, and storage medium
Protein purification
  Randomly Featured Patents
Pesticidal phosphoryl- and phosphinyl-thioalkyl cyclic sufones
Shaft seal having capacity for substantial wear
Method of directly mounting a printing plate on plate cylinder and the plate cylinder and register pins used in said method
Water recycle treatment system for use in metal processing
Visual alignment of multiple-reflector collimation system
Antiseptic packaged polyvinylpyrrolidone-cinnamic alcohol solid products and the like and method of preparing the same
Nonlinear transmission line
Low-profile switch mechanism
Composite overlay compound
Crimpable orthodontic hook