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
Portable reading device with mode processing
Liposomal nanoparticles and other formulations of fenretinide for use in therapy and drug delivery
Containers having radio frequency identification tags and method of applying radio frequency identification tags to containers
Dual-leadframe multi-chip package and method of manufacture
Bi-directional pattern dependent noise prediction
Acoustic measuring instrument
Methods and apparatus for performing multiple photoresist layer development and etching processes
  Randomly Featured Patents
Destruction of bulking sludge
Lactoferrin compositions and methods of wound treatment
Methodologies and test configurations for testing thermal interface materials
Card support for carding layer
Image pickup apparatus having means for appointing an arbitrary position on the display frame and performing a predetermined signal process thereon
System for multiple error detection with single and double bit error correction
Centrifugal ventilator fan
Exterior rear view mirror for a motor vehicle
Hydrant apparatus and water discharging method
Automatic hardware message header generator