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US 5,104,077 AGranted
Suction cup
AssigneeHung Mei Brush Co., Ltd.
InventorBao-Shen Liu
Life of this patent
Estimating the term…
Abstract
The suction device includes a chamber having a closed end, an open end and an annular fringe connecting the closed end and the open end. The closed end has a securing device centrally extended into the chamber and two parallel bracket supports being formed on the closed end. A slot is formed between each of the bracket support and the closed end. A suction cup has a holding device at the top portion thereof and is connected to the securing device of the chamber by a screw joint, in which condition the annular fringe of the chamber presses tightly against the suction cup.
Claims6
A suction device, comprising:
- a main body having a chamber including a closed end and an open end, said chamber comprising a hollow annular fringe interconnecting said closed end and said open end, a securing means extending centrally from said closed end, said closed end having two bracket supports outside of said chamber, one facing the other, each being extended inwardly from the periphery of the same, a slit being formed between each of said bracket supports and said closed end, and a slot formed between said bracket supports;
- and
- a suction element having a diaphragm with a holding means engaged at the top center thereof, and connected to said securing means by means of a screw joint, said open end of said annular fringe being pressed hermetically against said diaphragm, said suction element being pressed on a smooth surface to create a vacuum between said diaphragm and said smooth surface, said vacuum creating a suction force to hold said suction device on said smooth surface.
Dependencies are inferred from the claim text.