Resources Contact Us Home
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
Method and computer system for automatic vectorization of a vessel tree
Ultrathin fluid-absorbent cores
Method to trace video content processed by a decoder
Depth estimation apparatus and method
High throughput thin film characterization and defect detection
Battery-operated massager and soap dispensing wand
Semiconductor memory device
  Randomly Featured Patents
Paper catching tray for electronic printers and other devices
Handoff between base stations of different protocol revisions in a CDMA system
Decomposing configuration problems
Virtual private volume method and system
Asymmetrical field effect transistor
Circuits, architectures, systems and methods for overvoltage protection
Remote ordering system and method
Drop leaf sideboard
Rotary lawn mower cutting blade
Heat exchanger, especially for gases and fluids