F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/220
F16H 15/50 (2006.01) F01B 3/00 (2006.01) F02B 75/26 (2006.01) F02G 1/043 (2006.01) F16H 13/08 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1075042
VARIABLE SPEED TRANSMISSION DEVICE Abstract of the Disclosure A variable speed transmission device of the type in which a first rotatable element is in rolling friction engage- ment with a second nutatable element having an axis movable in a biconical path about the axis of the first element in a manner such that two points of contact are established and which are equally spaced on opposite sides of a point at which the two axes intersect. A pair of rolling surfaces provided on each of the first and second elements are defined by curved generatrices which may be concave on one of the elements, preferably the first element, and convex on the other of the elements, pre- ferably the second. The generatrices defining the rolling surfaces of revolution on the first and second elements are similar lengths and long relative to the average radial distance of the surfaces from their axes of revolution. A mechanical linkage connects the second element with the supporting frame of the transmission, such mechanical linkage preferably being in the form of a diaphragm-like structure having flexibility in a radial direction but being relatively rigid in a circumferen- tial direction.
281129
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