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 For a given cell in a spreadsheet, evaluating an unlimited number of conditional formatting rules and applying multiple corresponding formats to the cell Floor relief for dot improvement Electronic flash device Restarting event and alert analysis after a shutdown in a distributed processing system Method for driving electrophoretic display device, electrophoretic display device, and electronic device Process for the preparation of protected L-alanine derivatives Message processing method and apparatus based on the SIP protocol and an IP communication system   Randomly Featured Patents Rolling mill rolls Automatic torque-based control system Flashlight with ear hook Apparatus and method for timing video games Bracket for motorcycle air gauge and filler valve Rolling stowable seat Liquid crystal display and thin film transistor substrate therefor Unintentional hand movement canceling device and imaging apparatus Flexible connection apparatus Multi-channel bio-med electric signals capturing device based on a sound signal generation © 2006-2008 PatentGenius. All Rights Reserved.