Substrate holding device

Details Substrate holding device Substrate holding device

1993-05-14

1994-10-25

Kramer, Dean J.

Handling: hand and hoist-line implements

Grapple

Expanding

2941193, 294902, B66C 146

Patent

active

053582969

ABSTRACT:
An apparatus is disclosed for internally holding an at least partially hollow substrate having at least one open end. The apparatus includes a member defining a fluid passageway, a normally inflated porous material mounted on the member in communication with the fluid passageway of the member, and a mechanism, in communication with the member, for deflating the porous material, the deflating mechanism being de-energized in response to the porous material being disposed into the opening in the substrate for enabling the porous material to return to being normally inflated to hold the substrate.

REFERENCES:
patent: 3377096 (1968-04-01), Wood
patent: 3777875 (1973-12-01), Sabran
patent: 3945486 (1976-03-01), Cooper
patent: 4146082 (1979-03-01), Granger
patent: 4168073 (1979-09-01), LaRue
patent: 4294424 (1981-10-01), Teissier
patent: 4561686 (1985-12-01), Atchley
patent: 4680246 (1987-07-01), Aoki et al.
patent: 4783108 (1988-11-01), Fukuyama et al.

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