Resources Contact Us Home
Cylindrical lock

Image Number 8 for United States Patent #5331830.

A cylindrical lock comprising an U-shaped shackle, a cylindrical housing containing a hollow tube consisting of two elongate semi-round plates and a lock member, two legs of the shackle having a cone-shaped end and two inclined slots to pushingly insert in two holes in the hollow tube to engage stopping edges of the two notches of the elongate plates through opposite movement of the two elongate plates for locking and the stopping edges of the two notches disengaging from the slots of the shackle by movement of the two elongate plates moved by the lock member rotated by a key.

  Recently Added Patents
Surface modification
Apparatus and method for providing vehicle data for testing product
Perspective runway system
Software management system for network data processing systems
System and method for ranking content and applications through human assistance
Method, device and computer readable medium for determining whether transmission signals are present in received signals
System for the secure management of digitally controlled locks, operating by means of crypto acoustic credentials
  Randomly Featured Patents
Solid state image sensor with means for removing excess photocharges
Talking mathematics trainer
Method and device for damping vibrations
Ion beam apparatus and method for ion implantation
Top layers of metal for high performance IC's
System for automatically generating a sequential control program
Escalator and skirt end structure
Wireless communication system and wireless communication method
Horseshoe-like hoof pad of plastic material