F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/221
F16H 15/04 (2006.01) F01B 3/00 (2006.01) F02B 75/26 (2006.01) F02G 1/043 (2006.01) F16H 15/50 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1070527
ABSTRACT OF THE DISCLOSURE A transmission device serving to transfer a mechanical power between a coupling means and a coupling member which is driven with a rotary movement, which transmission device comprises: a frame; a first member having two rolling surfaces of resolution about a first fixed axis relative to the frame and located on either side of a plane perpendicular to the first axis at a point S of said axis; a second member having two rolling surfaces of resolution about a second axis coinciding at point S with the first axis and forming an angle a located on either side of a plane perpen- dicular to the second axis at a point S of said axis; supporting means which move at the speed ? relative to the frame and supporting the said second member in such a way that the angle a of the second axis relative to the first axis is fixed and in such a way that the movement of the second member about point S is the combination of a rotary movement of speed ? about the second axis and a conical movement of apex S of speed ? of the second axis about the first axis; first con- necting means between the coupling means and one of the two following members; the second member or the supporting means in such a way that the conical movement of speed ? is induced or obtained; second connecting means between the coupling member and the following two members: the second member or the first member; a system which applies the rolling surfaces of the second member against the rolling surfaces of the first member at two points P1 and P2 positioned on either side of the first and second axes; and means for modifying the position of the contact points between the rolling surfaces in such a way as to vary the transmission speed ratio.
258210
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