Infinitely variable toroidal drive

Details Infinitely variable toroidal drive Infinitely variable toroidal drive

2005-08-30

2005-08-30

Fenstermacher, David M. (Department: 3682)

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

C476S042000

Reexamination Certificate

active

06935988

ABSTRACT:
An infinitely variable toroidal drive with several drive units wherein each drive unit has an input disc with a toroidal inner surface disposed coaxially in relation to the input shaft and an output disc with a toroidal inner surface disposed coaxially in relation to the input shaft and several friction wheels which are pivotably situated between each pair of input disc and output discs and mounted on a carrier, respectively. The infinitely variable toroidal drive has a device for support of the reaction forces appearing on the friction wheels due to the pressure of the discs, simultaneously synchronizing the pivoting angle of the carriers. The device consists of respective traction elements; one being provided on both the upper ends and the lower ends of the two carriers, and encircling the ends of the carriers and respectively having the shape of an 8.

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patent: 2000 027963 (2000-01-01), None

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