Machine element or mechanism – Mechanical movements – Grip units and features
Patent
1986-01-31
1987-09-22
Kannan, Philip C.
Machine element or mechanism
Mechanical movements
Grip units and features
74796, F16H 1544, F16H 1516
Patent
active
046947019
ABSTRACT:
A continuously variable traction drive transmission of the class including three working bodies, two of which are concentric with a first transmission axis, the other of which is concentric with a second axis intersecting and inclined with respect to the first axis, and wherein the points of rolling friction contact lie in diagonal quadrants defined by the first axis and a line perpendicular to the first axis at the intersection thereof with the second axis. The body concentric with the second axis includes two oppositely convergent cone-like rolling surfaces of revolution about the second axis which are held in rolling friction engagement with annular plate-like members forming one of the two bodies concentric with the first axis. The other of the two bodies concentric with the first axis carries the body on the second axis in nutation and continuously variable speed ratios are achieved by adjusting the angle of first and second axis through 90.degree. to shift the points of contact between adjacent diagonal quadrants to reverse the rotation of the body concentric with the second axis.
REFERENCES:
patent: 3153353 (1964-10-01), Voigt
patent: 3517572 (1970-06-01), Schmid
patent: 4266446 (1981-05-01), Fritsch
patent: 4435995 (1984-03-01), Welander
patent: 4524642 (1985-06-01), Fritsch
Kannan Philip C.
Tractiontec Corporation
Ziems Robert F.
LandOfFree
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