Portable suction device

Details Portable suction device Portable suction device

2006-03-21

2006-03-21

Lillis, Eileen D. (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

C294S015000

Reexamination Certificate

active

07014233

ABSTRACT:
A suction device includes a handle (10) and an operation lever (30) which has a cam end (32) pivotably connected to the handle. A suction disk (20) has a shaft (21) which movably extends through the underside of the handle and is pivotably connected to the cam end. A release device (40) is connected to a side of the handle and removably engaged with a hole in a side of the operation lever and the handle. The release device can be easily operated by the thumb of the user to disengage the shaft from the operation lever, and the suction disk is pushed back by a spring (22) mounted to the shaft.

REFERENCES:
patent: 2280658 (1942-04-01), Miller
patent: 5330314 (1994-07-01), Bennison
patent: 6343823 (2002-02-01), Busby
patent: 833847 (1952-03-01), None

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