D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
92/4
D21G 1/00 (2006.01) B21B 35/14 (2006.01)
Patent
CA 2039972
ABSTRACT OF THE DISCLOSURE The invention concerns a drive unit, particularly for a calender of a paper machine, with a universal joint featuring two joint forms as well as a crosshead, with a shaft each coordinated with the two joint forks, one shaft being arranged on the drive side and the other on the output side (drive shaft and output shaft), additionally, with a clutch for engaging and disengaging the drive unit. The invention is characterized by the following characteristics: (a) The clutch is fashioned as a gear clutch with a number of teeth extending in axial direction and coordinated each with one of the clutch halves; (b) for actuation of the clutch there is a shift mechanism provided; (c) coordinated with the universal joint is a guide device, for instance a cylindrical sleeve, for guiding the universal joint along with the extendable clutch half on its shift path in the clutch process.
Reiter Walter
Schiel Christian
J. M. Voith G.m.b.h.
Mccarthy Tetrault Llp
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