Resources Contact Us Home
Airport bridge and lift

Image Number 14 for United States Patent #6928684.

A lift is coupled to the outer cab or rotunda of a telescoping bridge. The lift has a carriage that can be moved by a cable and a motor upward or downward and which includes a platform that has sensing means for controlling the motor for stopping downward movement of the carriage when it engages the ground. An electrically operated safety catch is provided to prevent the carriage form falling in the event the cable breaks. A safety system is provided which prevents the bridge from moving if the carriage is not in the up position and its door is not closed.

  Recently Added Patents
Stevia formulation
Method of measuring specific absorption rate of electromagnetic waves
Method and apparatus for storing email messages
System and method of error reporting in a video distribution network
Antenna for an automobile
Using network labels without standard-defined syntax and semantics
Verification of a portable consumer device in an offline environment
  Randomly Featured Patents
Method and apparatus for semantic discovery and mapping between data sources
Denture curing apparatus and method
Vertical fore grip with bipod
Method and structure for creating embedded metal features
Plating anodized aluminum substrates
Closed-clock writing system for a rotating magnetic memory
Ladle slagging stand
Trailer drag reduction system
Magnetic pallet clamping system
Sphygomanometer band and method of self-application thereof