Suction-holding device

Details Suction-holding device Suction-holding device

2006-02-28

2006-02-28

Kramer, Dean J. (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

Reexamination Certificate

active

07004521

ABSTRACT:
A suction-holding device including: a base disk body having a hollow cavity section in its undersurface, a suction disk disposed beneath the base disk body so as to cover the hollow cavity section, and an operating rod which is disposed vertically on an embedded plate installed in the top portion of the suction disk and to which an operating handle is connected so that the operating handle is pivotally moved up and down and so that the suction disk is suction-held to and released from a surface of an object by way of raising and lowering the operating handle; and the suction disk being provided on its suction-holding surface with an annular sponge plate body.

REFERENCES:
patent: 2303393 (1942-12-01), Schmidt
patent: 2370938 (1945-03-01), Cohen
patent: 2420811 (1947-05-01), Brewster et al.
patent: 2871054 (1959-01-01), Zinke
patent: 3326593 (1967-06-01), Farmer et al.
patent: 3377096 (1968-04-01), Wood
patent: 3640562 (1972-02-01), Creskoff
patent: 5013075 (1991-05-01), Littell

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