Vacuum adsorber

Details Vacuum adsorber Vacuum adsorber

1994-10-28

1995-11-07

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

B25J 1506, B66C 102

Patent

active

054642639

ABSTRACT:
A vacuum adsorber includes a base (4); an adsorption member (3) attached to the base and made from an elastic material so as to have a vacuum cavity (2) with an opening (3a) on a side opposite to the base; a slider (5) having a friction face (7) and a periphery sliding along a side wall of the vacuum cavity; a spring member (15) provided within the vacuum cavity for biasing the slider toward the opening; a vacuum tube (6) for connecting the vacuum cavity to a vacuum source; and a through-hole (8) provided on the friction face for allowing fluids to enter the vacuum cavity.

REFERENCES:
patent: 3202420 (1965-08-01), Dovey
patent: 3377096 (1968-04-01), Wood
patent: 3598439 (1971-08-01), Dahlquist et al.
patent: 3720433 (1973-03-01), Rosfelder
patent: 3865359 (1975-02-01), Caroli
patent: 4088312 (1997-05-01), Frosch et al.
patent: 4221356 (1980-09-01), Fortune
patent: 4763941 (1988-08-01), Sniderman

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