Resources Contact Us Home
Ring binder

Image Number 3 for United States Patent #5788390.

A ring binder adapted to be fixed to an article includes a support for mounting a plurality of ring members thereon, and a control member movable along a sloped portion on the under surface of the support to cause the support to pivot and thereby open the ring members. The sloped portion on the under surface of the support is provided on at least one of an inturned inner edge of the support and a protrusion extending from the under surface of the support.

  Recently Added Patents
Apparatus and method for transmitting/receiving data in a communication system
Modular microscope construction
End-of-session authentication
Method for drug screening and characterization by calcium flux
Orthogonal tunable antenna array for wireless communication devices
Systems and methods for classifying electronic information using advanced active learning techniques
Image forming apparatus and image forming method
  Randomly Featured Patents
Pipe handling apparatus and method
Cellular radio system using common radio backbone
Pocket camera
Gas fixation solar cell using gas diffusion semiconductor electrode
Induction actuated container
Regenerative heater and process for the operation thereof
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
Device to track and recall multiple variables
Vehicle wheel
Method and apparatus for reducing pilot search times utilizing mobile station location information