Supports – Supporting base – Coaster or caster cup
Patent
1988-05-10
1990-07-17
Reese, Randolph A.
Supports
Supporting base
Coaster or caster cup
248362, 2482059, 2483112, A45D 4214, F16B 4700
Patent
active
049416359
ABSTRACT:
A cup-holder stabilizer comprises of an extensible and contractible cylinder unit. An inner space of an upper cylinder of the cylinder unit receives a cup or other item. The upper cylinder is provided with multi-layered skirt-shaped pieces which can be used to cover the outside surface of the upper cylinder, or they can be inverted into the inner space of the upper cylinder to be used as paddings to secure a cup or other item of a smaller diametrical size. The lower end of a lower cylinder of the cylinder unit is provided with a cupule, the cupule is provided with central vent hole which can be sealed by the plug located in the upper cylinder; when the cup-holder stabilizer is placed on a table surface, gravity will cause the cylinder unit to contract and the plug located in the upper cylinder will come down to seal up the central vent bore of the cupule, thus the cupule becomes firmly held. When the cup-holder stabilizer is lifted the cylinder unit will extend and cause the plug to unseat from the vent bore of the cupule.
REFERENCES:
patent: 2009721 (1935-07-01), Williams
patent: 2839260 (1958-06-01), Jacobi, Jr.
patent: 2932119 (1960-04-01), Borah
patent: 2936139 (1960-05-01), Lindstrom
patent: 3013688 (1961-12-01), Luning
patent: 3747170 (1973-07-01), Kieves
patent: 4040549 (1977-08-01), Sadler
patent: 4596370 (1986-06-01), Adkins
patent: 4756497 (1988-07-01), Lan
Cuomo Peter M.
Reese Randolph A.
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