Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ying-Ta Lu0
Date of Patent
August 29, 2006
0Patent Application Number
106216070
Date Filed
July 18, 2003
0Patent Primary Examiner
Patent abstract
A locking device applies to a casing having a cover and a seat for opening and closing of the casing. The locking device has a recess formed on an edge of the seat, a buckle downwards protruding from the cover and matching the recess, and a roller parallel-disposed in the recess and pivoted to the seat. The buckle has an arcuate face smoothly against an upper slot of the roller for closing and opening the casing. A direction of lifting of the cover corresponds to a rotation of the roller so that a direction of applied force can be continuously unchanged to achieve an ergonomic effect.
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