Friction gear transmission systems or components inventions 01/08

20080026903 - Geared, continuously variable speed transmission: A continuously variable speed transmission includes a first guideway, a second guideway, wherein the first guideway and the second guideway remain stationary during operation at a particular speed ratio. The transmission further includes a first member moveably connected to the first guideway and the second guideway, the first member further... Agent: Mckee, Voorhees & Sease, P.L.C

20080020892 - Variable speed drive for a continuously variable transmission: A variable speed drive for a continuously variable transmission includes a first transmission element that is rotatable about a first rotational axis and has a convexly-curved transmission surface that is rotationally symmetrical about a first rotational axis. A second transmission element is rotatable about a second rotational axis and has... Agent: Alfred J Mangels

20080020893 - Spindle drive for a movable component, the spindle drive being drivable by a drive: A spindle drive for a movable component includes a threaded spindle which is rotatable about a spindle axis; a spindle nut which engages the threaded spindle; and a transmission element which can be connected to the movable component, the transmission element being fixed against rotation about the spindle axis and... Agent: Cohen, Pontani, Lieberman & Pavane

20080015084 - Longitudinal motion actuator: In a longitudinal motion actuator, one pinion is fixed to a motor output shaft, and a plurality of transmission mechanisms having the same configuration are provided. Each of transmission mechanisms is configured so that both ends of a lead screw to which a gear engaging with the pinion is fixed... Agent: Mcglew & Tuttle, PC

20080009387 - Toroidal continuously variable transmission: The support beam 34 having the cylindrical convex surface 33 is provided at the intermediate portion of the trunnion 9b. The recess 38 of the partial cylindrical surface formed on the outside of the outer ring 37 on the thrust ball bearing 36 supporting the power rollers 8b and the... Agent: Sughrue-265550

20080009386 - Toroidal-type continuously variable transmission and method for producing torque transmitting member thereof: In a toroidal-type continuously variable transmission according to the present invention, rolling contact portions of an input disc 4, an output disc 7, and roller 13 are formed of bearing steel, which contains C: 0.8-1.5 wt %; Si: 0.5-2.5 wt %; Mn: 0.3-2.0 wt %; Cr: 1.9-2.5 wt %; Mo:... Agent: Smith, Gambrell & Russell