Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Load releasing means
Patent
1984-01-31
1986-02-25
Marbert, James B.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Load releasing means
294 75, B66C 136, H07B 102
Patent
active
045725632
ABSTRACT:
A device for hanging a load, particularly to an aircraft or landcraft transport, of the type comprising an eyelet of connection to the transport having an enlarged base with a central hole, a pin rotatably supported in the hole and extending downward into a first hook part and, a second hook part pivoted on the first about a pin with horizontal axis positioned in the lower end of the first hook part. A releasable lock retains the second hook part in an active position to form with the first part an essentially closed hook. A bracket supports a load lifting sling, and an electrical connection transmits electric signals from the hook to the bracket. According to the invention, the electrical connection comprises at least one contact rod oscillating between a rest position, in which it is housed in a seat formed in the enlarged base, and an active position, in which it bears on a respective contact surface provided on the bracket, this oscillating movement being controlled by a lever moving under the action of the bracket being carried into the hooking position, and a pressure spring associated with the lever to control the pressure with which the contact rod bears on the contact surface.
REFERENCES:
patent: 3871698 (1975-03-01), Fontana
patent: 4073531 (1978-02-01), Androski
Marbert James B.
Tecnovar Italiana S.p.A.
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