Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Field device for determining or monitoring a physical or chemical process variable
Frequency offset estimation apparatus and method of OFDM system
Optical packet signal transmission device and WDM optical communication network
Formulations, their use as or for producing dishwashing detergents and their production
.beta.-2 microglobulin as a biomarker for peripheral artery disease
Second order correction circuit and method for bandgap voltage reference
Vehicle speed verification system and method
  Randomly Featured Patents
Image processing
Method and apparatus for spectral containment over telephone service lines
Video tape recorder having built-in camera detachable hand grip member
Electronic musical instrument having envelope controlled _automatic performance
System and method for using a prepaid card
Method and apparatus for ion fragmentation in mass spectrometry
Process for recovering the main sapogenins from the roots of rhizomes of helleborus
Image capturing apparatus
Contouring sanding system
Horse tethering device