Suction cup device

Details Suction cup device Suction cup device

2010-09-13

2011-12-20

Wujciak, III, A. Joseph (Department: 3632)

Supports

Brackets

Specially mounted or attached

C248S309300, C248S683000

Reexamination Certificate

active

08079557

ABSTRACT:
A suction cup device includes a cup forming unit cooperating with a flat surface to create a volume-variable space, a liftable rod secured to a central portion of the cup forming unit, a bracing shell member having a force-transmitting surrounding wall in engagement with a peripheral portion of the cup forming unit, and a twistable cap member having a surrounding bottom wall in abutting against a circumferential abutment region of the bracing shell member and threadedly engaged with the liftable rod such that a manually twisted movement of the twistable cap member can result in axial movement of the rod so as to pull the central portion away from the flat surface to produce a reduced pressure in the volume-variable space and a biasing force to thereby ensuring fluid-tight engagement of the cup forming unit with the flat surface.

REFERENCES:
patent: 355021 (1886-12-01), Lang
patent: 4133575 (1979-01-01), Mader
patent: 6478271 (2002-11-01), Mulholland
patent: 6736278 (2004-05-01), Chang
patent: 7021593 (2006-04-01), Fan
patent: 7357361 (2008-04-01), Yen
patent: 2010/0116954 (2010-05-01), Fan
patent: 20 2004 020077 (2005-05-01), None
patent: 20 2007 008376 (2007-09-01), None
patent: 2275723 (1994-09-01), None

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