Resources Contact Us Home
Polishing instrument

Image Number 12 for United States Patent #6638151.

The present invention relates to a polishing instrument for polishing a surface into a predetermined configuration. The present invention aims to provide a polishing instrument superior in operability and stability and capable of polishing a surface into a desired configuration. The polishing instrument of the present invention includes: a rotatable rotary substrate portion equipped with a polishing plane holding a polishing material on its surface; a plurality of movable substrate portions equipped with polishing planes which hold the polishing material on their surfaces, which are provided in the peripheral edge of the rotary substrate portion, and which rotate about a connection line connecting them to the rotary substrate portion; and elastic members for biasing the polishing planes of the movable substrate portions toward a position where they are flush with the polishing plane of the rotary substrate portion.

  Recently Added Patents
Image forming apparatus
Pyridylphenyl compounds for inflammation and immune-related uses
Secondary battery pack including insulative mounting member into which PCM is inserted in lateral direction
Systems and methods for cryopreservation of cells
Retransmission control method, base station and mobile station
Method for transforming a single reactor line
Handheld electronic device with text disambiguation employing advanced editing feature
  Randomly Featured Patents
Semiconductor memory device with low standby current
Vented nuclear fuel element
Fuel injector with strainer
Systems and methods for streamlining the provisioning of wireless applications in an organization
Use of amine neutralized sulfonated polystyrenes for particle flocculation
Protective layer of fatty acid or nylon on photosensitive resin for metal-image forming element
Metal halide lamp
Tossing and catching play object
Machine for cutting of masonry, wood and other materials
System and method for automatic color segmentation and minimum significant response for measurement of fractional localized intensity of cellular compartments