Handling: hand and hoist-line implements – Hoistable receptacle – With discharge or loading means
Patent
1989-09-18
1991-03-12
Focarino, Margaret A.
Handling: hand and hoist-line implements
Hoistable receptacle
With discharge or loading means
294 11, 37184, B66C 302
Patent
active
049987623
ABSTRACT:
A power shovel is disclosed for loading and unloading cargo. The bucket includes a first bucket half and a second bucket half wherein each bucket half has a top, a closed bottom, a front wall and a back wall which are spaced apart from each other, a closed outside wall and an open inside. The bucket halves are pivotally secured together at their tops so that the bucket halves are movable between an open and a closed position. In their closed position, the open inside of the bucket halves register with each other so that cargo is contained within the bucket. A head is disposed above the bucket and is attached to the bucket by four elongated cables. Two cables are attached to the outside corners of one bucket half while, similarly, the other two cables are secured to the outside corners of the other bucket half. One end of a closure cable is secured to a winch so that the cable extends through a swivelable pulley assembly, around pulleys in each bucket half, and then exits through a second swivelable pulley assembly. The other end of the closure cable is attached to the crane or a further winch. Upon activation of the winch, the closure cable moves the bucket from its open to its closed position while the swivelable pulley assemblies prevent galling of the cable by the bucket.
REFERENCES:
patent: 424571 (1890-04-01), Pay
patent: 1298340 (1919-03-01), Hatt
patent: 4538848 (1985-09-01), Aberkrom
Focarino Margaret A.
Kramer Dean J.
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