Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 6, 2009
Patent Application Number
11843224
Date Filed
August 22, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A height-adjustable carrying device with a parallelogram cranking mechanism has a self-locking pneumatic spring (6), with a valve for abolishing the blocking function. A release element (22), with which the valve (24) is actuated, is arranged according to the present invention at a handle (20) for swiveling the carrying device in one assembly unit.
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