Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip W. Wyers0
Date of Patent
October 17, 2006
0Patent Application Number
104519280
Date Filed
February 27, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus to secure the coupler section of a trailer provides a locking device that includes a lock housing having a hitch ball element to engage the recess in the coupler, a shackle member lockable to the housing and having a bridge section that spans the hitch ball element, and a latch assembly to latch and unlatch the shackle member. The shackle member is shown to be U-shaped with legs that extend through and secure to the lock housing. The latch assembly provides a ratchet-type engagement to allow adjustable locking. A rotatable lock mechanism drives a cam based latch mechanism between a latch state and an unlatch state.
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