Handling: hand and hoist-line implements – Hoist-line slings
Patent
1976-07-07
1978-01-03
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hoist-line slings
294 67E, B66C 116
Patent
active
040662870
ABSTRACT:
A glass pack tilted against a support member is lifted by a sling assembly including a spreader bar, a pair of slings each having a half bridle and a protective shoe. Each of the slings includes (1) a first strap portion having its course along one side of the pack, over the shoe, and around the bottom edge of the pack and (2) a second strap portion secured to the end of the first strap portion. The free ends of the slings are secured to the spreader bar and spaced relative to one another to engage the pack at its 1/5 points.
The half bridle has one end secured to the second strap portion with its second end engaging the adjacent side of the pack to prevent racking of the pack when handled by the sling assembly.
The shoe has a generally U shaped configuration and a pair of spaced pins each rotatably mounted between opposed legs. The rotatably mounted pins facilitate movement of the first strap portion when the stack is lifted by the sling assembly from the tilted position to an upright position.
REFERENCES:
patent: 2452392 (1948-10-01), Philbin
patent: 2792252 (1957-05-01), Ernst
patent: 3493128 (1970-02-01), Silvert
patent: 3709358 (1973-01-01), Andrews et al.
patent: 3765543 (1973-10-01), Thomas
patent: 3838779 (1974-10-01), Dawson
patent: 3913965 (1975-10-01), Muller et al.
Cherry Johnny D.
Lepiane Donald Carl
PPG Industries Inc.
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