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
System for setting programmable parameters for an implantable hypertension treatment device
System for alarming upon occurrence of secession of smart key for vehicles
Image processing device, image processing method, and program
Light source lighting device including a constant-current supply that is connected to a light source and supplies a constant current of a substantially constant magnitude to the light source,
Compositions and processes for forming photovoltaic devices
Process for preparing soybean curd using micronized solution of soybean curd
Solid-state imaging device, method for manufacturing solid-state imaging device, and electronic apparatus
  Randomly Featured Patents
5-Acylamino-1,1'-biphenyl-4-carboxamide derivatives and their use as P38 kinase inhibitors
Warm up strategy for ethanol direct injection plus gasoline port fuel injection
Digital CMOS circuit with noise cancellation
Fiberoptic lighting system with shaped collector for efficiency
Paper feeding apparatus
Method and device for perception of an object by its shape, its size and/or its orientation
Photographic printer
Absorbent cellulosic material and production thereof
Solid-state image pickup device with color filter and method of manufacturing the same