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US Patent: 6,394,566
Workstation and Spring-Assisted Door Therefor
George R. Slivon - Kenosha, WI
Jack A. Parise - Kenosha, WI
Kenneth C. Happ - Burlington, WI
Gordon A. Putney - Lake Geneva, WI

USPTO Classifications:
160/201, 312/323, 312/325

Tool Categories:

Snap-On Technologies, Inc. - Lincolnshire, IL

Not known to have been produced

none listed

Patent Dates:
Applied: Jul. 28, 2000
Granted: May 28, 2002

Patent Pictures:
USPTO pdf tiff
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Snap-On Tools Company History
Seyfarth & Shaw - patent attorneys


A storage riser for mounting atop a work surface has an open-front wall structure including rear, side and top walls and a bifold door assembly for closing the front opening. The door assembly has an upper panel hingedly connected to the front of the top wall and a lower panel hingedly connected to the bottom of the upper panel for pivotal movement between a vertical, unfolded, closed position and a non-vertical, folded, open position disposed in the storage compartment adjacent to the top wall. Coupling brackets respectively project inwardly of the compartment from the opposite sides of the lower panel adjacent to its upper end, the brackets respectively carrying guide rollers which respectively roll in channel tracks on the side walls. Opening of the door assembly is assisted by gas springs, respectively disposed adjacent to the side walls and having cylinders pivotally coupled to the coupling brackets and rods pivotally coupled to the side walls adjacent to the lower end of the front opening.

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