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
Advanced CAPTCHA using images in sequence
Software execution management apparatus, method, and computer-readable medium thereof
Apparatus for electrographic printing or copying
Rose plant named `ESM R057`
Accessing a base station
Light-emitting device, film-forming method and manufacturing apparatus thereof, and cleaning method of the manufacturing apparatus
Method for culturing lactic acid bacterium and method for producing fermented milk
  Randomly Featured Patents
Exhaust gas scrubber and filter assembly
Layered sandwich assay method for chlamydia and materials therefor
Raster scan image data display controller including means for reducing flickering
Blister package
Vehicular brake control apparatus and vehicular brake control method
Apparatus and method for mixing and dispersing engine drainage into the fuel flow to an engine
Continuously variable planetary gear set
Voltage stabilization device and semiconductor device including the same, and voltage generation method
Key device
Emulsion polymer of heterogeneous molecular weight and preparation thereof