Mechanical infinitely variable speed drive

Details Mechanical infinitely variable speed drive Mechanical infinitely variable speed drive

F - Mech Eng,Light,Heat,Weapons

16

H

74/104

F16H 37/00 (2006.01) F16H 37/08 (2006.01)

Patent

CA 1266575

ABSTRACT OF THE DISCLOSURE An infinitely variable speed drive is provided which is entirely mechanical, rather than hydraulic. The drive includes a rotatable housing having an output gear or sprocket rotatable therewith. An idler shaft is carried in the housing perpendicular to an axis of rotation there- of with first and second bevel gears rotatably mounted on the shaft. First and second shafts extend into the housing on the axis of rotation and in alignment with one another. Third and fourth bevel gears are affixed to the first and second shafts in the housing and mesh with the first and second bevel gears on the idler shaft. First drive gears rotate the first shaft at a constant speed in one direction. Second drive gears rotate the second shaft at different variable speeds in a direction opposite to the direction of rotation of the first shaft to cause the housing to rotate and drive the gear or sprocket thereon at infinitely var- iable speeds. A variable speed pulley arrangement can be used to drive the first and second drive gears. -2-

500461

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