Patent Details

Patent ID: US7617554B2

Pressure equalization apparatus

Description: An equalizing pressure control system for connection to at least two pressure zones of a body support. The equalizing pressure control system ensures that an object will be slowly and safely lowered to a static position in the event of a sudden failure of an external pump or a supply pressure to the at least two pressure zones.

Patent Details: http://www.google.com/patents/US7617554

DOI: N/A