Resources Contact Us Home
Locking mechanism for a folding knife

Image Number 3 for United States Patent #5685079.

A folding knife is disclosed having a unique locking mechanism which prevents the blade from being closed when the knife is in use. The locking mechanism provides a rolling lock carried by the knife mechanism having a lever that is movable between two positions. In an unlocked position, the blade may be rotated between the extended and closed positions. With the lever in the locked position, the blade is held in the extended position. The blade provides a base having a cam surface and a notch in that surface. The rolling lock provides a cylindrical body having a notch. When the rolling lock lever is in the unlocked position and the blade is extended, the notch in the cylindrical body of the rolling lock occupies the same space as the notch in the cam surface of the blade, allowing the cam surface of the base of the blade to rotate through the notch in the rolling lock. When the rolling lock lever is in the locked position, the notch in the cylindrical body of the rolling lock is rotated away from the blade, and the cylindrical body of the rolling lock is present in the notch in the blade. As a result, the blade will not pivot unless sufficient force is applied to the blade to shear the cylindrical body of the rolling lock.

  Recently Added Patents
Selective thermal treatment of medical instrument portions with thermal treatment system instrument holder
Storage apparatus and method including page discard processing for primary and secondary volumes configured as a copy pair
Ion generation using wetted porous material
Method and apparatus for token-based context caching
Image processing device and information storage medium including motion vector information calculation
Method and apparatus for connecting to external device
Drive coil, measurement probe comprising the drive coil and methods utilizing the measurement probe
  Randomly Featured Patents
Golf bag having multiple decks for isolating clubs
Distributed power supply for high frequency PWM motor controller with IGBT switching transistors
Engine oil heater
Method and device for laser welding
Method of making electrical conductor system for semiconductor device
Dynamic presentation of frequently changing values
Hat shaped armature for solenoid valve
On-board monitor for railroad locomotive
Twisted wire manufacturing apparatus and concentric twisted wire manufacturing machine
Flat acoustic transducer and method for driving the same