Multiple speed web rewind transmission in series with a slip cou

Details Multiple speed web rewind transmission in series with a slip cou Multiple speed web rewind transmission in series with a slip cou

1975-05-15

1977-09-20

Wyche, Benjamin W.

192 clutches and power-stop control

Transmission control and clutch control

74730, 192 483, 242 755, 2541877, F16D 6700

Patent

active

040490955

ABSTRACT:
The rate of rotation of the shaft of a winding apparatus for webs of sheet material is controlled by means of a transmission system comprising a plurality of non-slip drive clutches arranged for successive engagement to provide stepwise reduction in the output speed of the system. The drive clutches are arranged to provide different ratios of speed reduction. As one drive clutch is disengaged, the next drive clutch is engaged and output speed is reduced. These drive clutches in turn drive the shaft of the winding apparatus through a slip clutch. The means for engaging and disengaging the drive clutches can be an automatic sensing device or a preset timer. The system can be used for winders, rewinders and unwinding apparatus.

REFERENCES:
patent: 2261898 (1941-11-01), Barkeij
patent: 2576872 (1951-11-01), Young
patent: 2616311 (1952-11-01), Lapsley
patent: 2796222 (1957-06-01), Frankel
patent: 3318167 (1967-05-01), Frost
patent: 3584250 (1971-06-01), Bottani

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