Resources Contact Us Home
Lock using air chambers

Image Number 12 for United States Patent #5013184.

A lock using lock chambers and lock gates capable of reducing the water consumption in the operations of raising or lowering the boat passing through the lock from one level to another. The lock includes flexible air chambers capable of being inflated with air, located on bases of the lock chambers which are connected by a pipe equipped with a valve for controlling a flow of air between the air chambers.

  Recently Added Patents
Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method
Electrophoretic element and display device
Unified recovery
Method and apparatus for optimizing paging in a communication network
System and method of creating and providing SMS http tagging
Method and system for simulating superimposition of a non-linearly stretchable object upon a base object using representative images
Chemically bonded carbon nanotube-polymer hybrid and nanocomposite thereof
  Randomly Featured Patents
Vehicle headrest post guide
Portable suspension frame for therapeutic devices
Lighting commissioning device and method
Method of removing N.sub.2O from waste gas
Combat shirt and armor system
Hand-held computer
Closure arrangement with opening indicating (anti-tamper) elements
Insert weld repair
Tunnel driving apparatus
Desalination of brackish water from oil wells