192 clutches and power-stop control – Stop mechanism – Overload release
Patent
1998-01-16
2000-05-02
Marmor, Charles A.
192 clutches and power-stop control
Stop mechanism
Overload release
192 551, 192 566, 192 6621, B66D 500
Patent
active
060561017
ABSTRACT:
An overload control mechanism working as a safety mechanism for preventing a fall of cargo when a machine is overloaded during cargo handling operation. The overload control mechanism includes a driving gear, a tapered disk arranged on the inner circumference of the driving gear and tapered to the axis of the driving gear, a first friction disk having a tapered friction surface in contact with the tapered surface on the inner side of the tapered disk, for fixing a spindle that is inserted through the first friction disk, and a second friction disk having a tapered friction surface in contact with the tapered surface on the outer side of the tapered disk. Both the first friction disk and the second friction disk with the tapered disk of the driving gear clamped therebetween rotate integrally. The second friction disk is fastened by a nut which is tightened onto a support shaft of the first friction disk with a spring therebetween.
REFERENCES:
patent: 2412157 (1946-12-01), Kronquest
patent: 2510469 (1950-06-01), Greenlee
patent: 3024630 (1962-03-01), Billups
patent: 3648483 (1972-03-01), Garcia, Jr.
patent: 5593119 (1997-01-01), Moore et al.
H.H.H. Manufacturing Co.
Marmor Charles A.
Rodriguez Saul
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