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US 4,248,161 AGranted
Adjustable locking mechanism for tilting tables and the like
AssigneeTeledyne Industries, Inc.
InventorsWilliam A. Adair, Lyle A. Johnson
Life of this patent
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AssigneeTeledyne Industries, Inc.
InventorsWilliam A. Adair, Lyle A. Johnson
Estimating the term…
Two sets of positive-locking tilt adjustment mechanisms are mounted between a drafting board and a supporting frame therefore. Both sets of locking mechanisms include identical left and right halves having crown gear portions positioned thereon for aligned meshing engagement with each other. Further, the opposing halves of the opposing sets of mechanisms are also aligned. Each half is manually mountable by hand to either the board or frame and a bolt and hand tightenable nut maintain the sets of mechanisms, the board, and the frame in adjustable alignment. The board and frame are made such that loosening a nut on each mechanism automatically separates the halves of each set thereof for providing interference free tilting adjustment of the drafting board on the frame.
In a locking mechanism for a tilting table of the type having a supporting frame, and a table top tiltably mounted on said frame, said locking mechanism being positioned between said top and said frame, the improvement in said locking mechanism comprising:
In a locking mechanism for a drafting table of the type having a supporting framework, and a table top structure tiltably mounted on said supporting framework, an improvement in said locking mechanism comprises:
Dependencies are inferred from the claim text.