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
Multiple RF band operation in mobile devices
Method for selective deposition of a semiconductor material
Control system for an internal combustion engine
Imaging apparatus, control method thereof, and program
Discharge circuit and method
Enediyne compounds, conjugates thereof, and uses and methods therefor
Using location based services for determining a calling window
  Randomly Featured Patents
Imaging device
Method and apparatus for handling and dispensing hygroscopic pellets
Liquid crystal panel device having a touch panel and method of fabricating the same
Fluid actuated tool
Ornament for footwear
Flexible tube of endoscope
Nonwoven car wash glove or mitt
Composition for removal of adhesive
Powder apparatus for sheet-fed rotary printing press
Process for producing hydrogen from short wavelength electromagnetic radiation