Self-erecting material handling sling

Details Self-erecting material handling sling Self-erecting material handling sling

1974-05-07

1976-01-27

Marbert, James B.

Handling: hand and hoist-line implements

Hoist-line slings

294 81R, 224 49, B66C 118

Patent

active

039349195

ABSTRACT:
A material handling sling comprising a main elongated, flexible, securing member, fluid inflatable means integral with the main securing member and positioned intermediate the leading and terminal ends thereof. The sling may also include a secondary securing member that is attached to the main securing member at two points intermediate the ends of the inflatable means, one point being inward the end of the inflatable means nearest the leading end of the main securing member and the other point being inward the end of the inflatable means nearest the terminal end of the main securing member; the secondary securing member being adapted to provide a working length spanning the distance between the two points of attachment of the secondary securing member to the main securing member that is shorter than the length of the main securing member between said two points.

REFERENCES:
patent: 2449591 (1948-09-01), Couse
patent: 3056624 (1962-10-01), Nardone
patent: 3092854 (1963-06-01), Manhart
patent: 3176327 (1965-04-01), Oberth
patent: 3364632 (1968-01-01), Isaac
patent: 3548904 (1970-12-01), Mackell
patent: 3608250 (1971-09-01), Ducrocq
patent: 3765543 (1973-10-01), Thomas
patent: 3829144 (1974-08-01), Nattrass

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