Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Rock drilling machine and axial bearing










Image Number 7 for United States Patent #7419015.

An axial bearing includes a first piston and a second piston. Axial contact surfaces between the pistons are arranged in the same pressure space. The same pressure fluid fed to the axial bearing acts on the contact surfaces and on working pressure surfaces of the pistons. A rock drilling machine is also provided with such an axial bearing.








 
 
  Recently Added Patents
Lighting apparatus
System and method for providing radio communication in a land mobile radio system
Combined imaging and radiation therapy
Telephone relaying apparatus, telephone relaying method, and program
Gathering user feedback in web applications
Controlling a resource demand system
Recording apparatus, recording method, reproducing apparatus, reproducing method, program, and recording/producing apparatus
  Randomly Featured Patents
Two-part aerosol composition for increasing the light reflectivity of an object
Low velocity aortic cannula
Automatically generating nodes and edges in an integrated social graph
Digital optical measurement of particle populations using reduced magnification
Completion apparatus and methods for use in wellbores
Motion picture shutter method and apparatus
Sidewall semiconductor transistors
Emergency lighting system AC line voltage sensing
Modular gripping assistive device
System and method for downhole operation using pressure activated valve and sliding sleeve