FIELD: machine building.
SUBSTANCE: gear consists of cylinder case (1), and of coaxial variators placed in case and made in form of two spherical hollow friction casings (3, 5) concave towards one another. Further, the gear consists of two intermediate friction links (7, 8) interacting with said casings and of mechanism of ratio change in each variator. Gear has even number of variators, but not less, than two. The mechanism of ratio change includes a middle and end two-arm levers and arc elements made as a system out of two -shape in plane and rods arc-shaped at side view, each with an inclined and parallel to each other end parts, and two parallel in plane and arc-shaped at side view rods in each variator. The end part of each
-shaped rod is hinged spherically to a spherical end part of the arm of the two-arm lever corresponding to the intermediate friction link (7, 8).
EFFECT: control of speed of driven link due to turns of intermediate links of variators towards each other.
18 dwg
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Authors
Dates
2010-12-27—Published
2009-09-02—Filed