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
Apparatus and method for multiplying frequency of a clock signal
Process for manufacturing a self-sealing composition
Pandemic protocol for emergency dispatch
Film, polarizing plate and display device, and method of manufacturing film
Electronic currency, electronic wallet therefor and electronic payment systems employing them
Systems and methods for minimization or elimination of diffusion effects in a microfluidic system
  Randomly Featured Patents
Film supply apparatus and filling and packaging system including the film supply apparatus
Ethylene-propylene block copolymerization process and product
Sensor for quantifying widening reduction wear on a surface
GABA and L-glutamic acid analogs for antiseizure treatment
Pro drugs for CCK antagonists
Polyolefin bound ultraviolet light absorbers
Proportional pressure control valve
Task-based classification and analysis system