Handling: hand and hoist-line implements – Grapple – Collar-engaging
Patent
1976-10-12
1978-01-17
Marbert, James B.
Handling: hand and hoist-line implements
Grapple
Collar-engaging
B66C 142
Patent
active
040688801
ABSTRACT:
In an apparatus to hold and transport a drum, by gripping its chime, a gripper bracket to hold a drum, being installed with the main gripping and releasing mechanism to play the leading role, is suspended by a lifting bracket through a spring and also supported vertically freely through a pin-elliptical hole joint.
The mechanism, to play the leading role, consists of a gripper bracket, a pair of gripping levers, each of which having a gripper jaw to grip a chime of a drum and a connecting lever, being pin jointed with each other to make a quadrilateral link mechanism.
The mechanism, to play the support's role during the operation, is the releasing apparatus, consisting of a jaw releaser suspended by the lifting bracket through a pin-elliptical hole joint and connected with the quadrilateral link by a spring, of a jaw releaser stopper, equipped on the gripper bracket and of a disengaging slider pusher, equipped on the lifting bracket, cooperates with the action of the gripper bracket with quadrilateral links in releasing and gripping performances.
REFERENCES:
patent: 3338616 (1967-08-01), Ericson
Jones Ira Milton
Marbert James B.
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