Drum lifter ring

Details Drum lifter ring Drum lifter ring

1988-05-23

1990-01-16

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Band type

220 71, 220 73, B65D 2522, B66C 118

Patent

active

048938610

ABSTRACT:
A drum lifter ring formed as a one-piece molded synthetic resin ring having a plurality of rows of radially outwardly opening recesses in a midportion thereof, a rigid top wall projecting radially outwardly to beyond the outer surface of the midportion, and a rigid bottom wall projecting radially inwardly beyond the inner surface of the midportion. The bottom wall is provided with a plurality of downwardly opening recesses. The top wall defines a downwardly opening annular recess adjacent the outer surface of the ring midportion. In the illustrated embodiment, the radially outwardly opening recesses in the midportion are provided in a plurality of vertically spaced rows, with the recesses of the respective rows vertically aligned.

REFERENCES:
patent: 2803372 (1957-08-01), Lee
patent: 2826330 (1958-03-01), Imparato
patent: 3387741 (1968-06-01), Kulaszewski
patent: 4022345 (1977-05-01), Butz
patent: 4088239 (1978-05-01), Uhlig
patent: 4203526 (1980-05-01), Stoll
patent: 4412628 (1983-11-01), Whitney
patent: 4626186 (1986-12-01), Hofstetter
patent: 4768673 (1988-09-01), Przytulla

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