Handling: hand and hoist-line implements – Utilizing fluid pressure – Venturi effect
Patent
1980-12-08
1983-01-18
Marbert, James B.
Handling: hand and hoist-line implements
Utilizing fluid pressure
Venturi effect
B66C 102
Patent
active
043689086
ABSTRACT:
The disclosure is of a vacuum fixture comprising a pair of plates having a vacuum space between them and with a plurality of suction holes in one plate providing communication between said vacuum space and the outside world. A handle is secured to the plates, and the handle includes tubing coupled to the vacuum space and a control valve for applying suction force to the vacuum space and to a sheet or body supported on the one plate and held down thereon by the suction force.
REFERENCES:
patent: 3472356 (1969-10-01), Reppert
patent: 3843183 (1974-10-01), Hutson
patent: 4185814 (1980-01-01), Bachmann et al.
Burroughs Corporation
Green Robert A.
Marbert James B.
Peterson Kevin R.
Rasmussen David G.
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