Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip W. Burbrink0
Trevor S. Brown0
Date of Patent
August 22, 2006
Patent Application Number
10862606
Date Filed
June 7, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lockable hinge includes a first and second hinge member, a lock, and an actuator. The lockable hinge is coupled to a pair of ladder-leg sections and is arranged to allow the ladder-leg sections to move among closed, trestle-ladder, and straight-ladder positions. The lock is used to lock the hinge members to cause the ladder-leg sections to lock in the closed, trestle-ladder and straight-ladder positions.
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