Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Traffic control sign










Image Number 3 for United States Patent #6956502.

A traffic control sign is provided which automatically unfolds and displays the message STOP and displays flashing messages SIGNAL OUT and 4 WAY upon power failure to traditional traffic lights. The traffic control sign includes a pair of sign plates hingedly attached by a pair of hinges. An enfolding assembly is utilized to rotatably enfold and electromagnetically hold the pair of sign plates to a folded position upon resumption of power. The traffic control sign is adapted to be mounted to existing cable or a circular pipe component used for related traditional traffic signal fixtures.








 
 
  Recently Added Patents
High porosity ceramic honeycomb article containing rare earth oxide and method of manufacturing same
Pear-shaped convertible reading glasses
Driving apparatus having an optical sensor and a thermal sensor for thermal and aging compensation of backlight module and driving method of backlight module
Luggage cart
Buffer pool extension for database server
Vehicle window opening and closing control device
Atmospheric treater with roller confined discharge chamber
  Randomly Featured Patents
Method for treating onychomycosis
Adhesive tape cutter
Counter plate electrode with self adjusting z-axis
Bioresorbable heart valve support
Tubular feedthrough system for hermetically sealed devices
Multiple selectable bulb flashlight
OHV and gear mechanism for engine
Touch panel and display device
Line rail construction
Bank note validator