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
Asynchronous loading of scripts in web pages
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus
Apparatus, method and program for image receipt, processing, conversion, and delivery to and from a plurality of external apparatuses
Dental fillers including a phosphorus containing surface treatment, and compositions and methods thereof
Display module
Multi-radio coexistence
Semiconductor device with hetero-junction bodies
  Randomly Featured Patents
Human platelet heparanase polypeptides, polynucleotide molecules that encode them, and methods for the identification of compounds that alter heparanase activity
Fabrication of articles having a coating deposited through a mask
Hump plate
Tapered cutting tool for reaming tubular members in well bore
Polyomavirus diagnostic reagents
Arthroscopic portal dressing
Dual window WDM optical fiber communication
Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
CML bias generator
Inhaler