Gravity operated automatic hook

Details Gravity operated automatic hook Gravity operated automatic hook

1990-10-30

1992-05-19

Cherry, Johnny D.

Handling: hand and hoist-line implements

Spacing hoist bar or frame

Load supporting units

294 8233, B66C 134

Patent

active

051142007

ABSTRACT:
An arresting device for gripping a cylindrical portion of an object having a hook member and a latch member which are operable to interact with each other to grip the object and hold it in a predetermined position. The device is operable to automatically release the object when such object is resupported.

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patent: 3630562 (1971-12-01), Metz
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patent: 4609219 (1986-09-01), Go
patent: 4744720 (1988-05-01), Kremar
patent: 4778122 (1988-10-01), Snygg

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