Coupling for a mechanical press, shear, or stamper

Details Coupling for a mechanical press, shear, or stamper Coupling for a mechanical press, shear, or stamper

2007-01-30

2007-01-30

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

C192S083000

Reexamination Certificate

active

11035029

ABSTRACT:
A coupling has a low-torque/high-slip clutch connected between a drive output and an input constituted by a press, shear, or stamper, and a high-torque/low-slip clutch also connected between the output and the input. In a startup phase the low-torque/high-slip clutch is engaged and the high-torque/low-slip clutch is disengaged to bring the load input up to a predetermined rotary threshold speed. Thereafter in a working phase the low-torque/high-slip clutch is disengaged and the high-torque/low-slip clutch is engaged to drive the load at a rotary speed at least equal to the rotary threshold speed.

REFERENCES:
patent: 2899897 (1959-08-01), Ludwig
patent: 3018863 (1962-01-01), Elfes
patent: 3215233 (1965-11-01), Smith et al.
patent: 3279572 (1966-10-01), Dearnley
patent: 3625323 (1971-12-01), Hetmann
patent: 4784019 (1988-11-01), Morscheck
patent: 5605210 (1997-02-01), Koike et al.
patent: 6142275 (2000-11-01), Kreisl
patent: 6378675 (2002-04-01), Kundermann et al.
patent: 29 24 834 (1981-01-01), None
patent: 0 000 918 (1979-03-01), None

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