Closure fasteners – Bolts – Multiple
Patent
1993-01-21
1994-08-02
Lindsey, Rodney M.
Closure fasteners
Bolts
Multiple
292 52, 292240, E05C 316
Patent
active
053339207
ABSTRACT:
A clip system for clamping a panel element against a rebate comprises a bolt which is movable between a first position for clamping the panel element against a rebate and a second position for releasing the panel element, and an operating mechanism for moving the bolt. According to the invention, depending on the position of the bolt, there is a variable transmission ratio between the operating mechanism and the bolt, with a reduction which increases as the bolt in a path near the first position nears said first position. Operation of the bolt consequently requires little force and can be carried out with a short movement. The clip system can be achieved by a simple construction requiring little maintenance.
REFERENCES:
patent: 2460961 (1949-02-01), Wilson
patent: 2557670 (1951-06-01), Luft
patent: 2753020 (1956-07-01), Ware, Jr.
patent: 2789851 (1957-04-01), Lickteig
patent: 3362573 (1968-01-01), Wales, Jr.
patent: 5086587 (1992-02-01), Andrews
Product information sheet Vaerftstandard DVS #43009 Feb. 1976.
Lindsey Rodney M.
Machinefabriek en Handelmaatschappij Winel B.V.
Skoler George A.
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