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
Maize variety hybrid X8N355
Multi-media wireless watch
Fax messaging for new users
Method and system for data synchronization in passive optical networks
Systems and methods for real-time catalyst particle size control in a polymerization reactor
System and method for integrating knowledge engines in a cloud computing environment
Flying vehicle and/or toy replica thereof
  Randomly Featured Patents
Aqueous fabric softener composition: optionally quaternized aliphatic amine and sulfonic or phosphonic acid compound
On-line container and seal integrity test system
Burning rate enhancement of solid propellants by means of metal/oxidant agglomerates
Substantially pure dicyclohexyl ammonium 6-.beta.-bromo-penicillanate
Process for production of 2-iminothiazolidines and oxazolidines
Pull down faucet
Hydrangea plant named `Bokratorch`
System and method for parametric intercoupling of static and dynamic analyses for synergistic integration in electronic design automation
Apparatus and method for ventricular rate regularization
Drive device, and fusing device and transfer device including said drive device