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| Number | Title | Issue Date |
| 7217204 | Continuously variable belt drive system A continuously variable belt drive system including a driving pulley assembly, a driven pulley assembly, and a V-shaped belt engaged to transfer rotary power therebetween is disclosed herein. The driving pulley assembly includes an idler pulley portion. As the belt ... | 05/15/2007 |
| 7029408 | Variable speed transmission and method of use A variable speed transmission includes an actuator mechanism that can be remotely activated to cause engagement of a drive unit and to subsequently vary the speed of the drive unit using the same activation mechanism. The variable speed transmission can include a fi... | 04/18/2006 |
| 6811504 | Continuously variable transmission for an internal combustion engine A continuously variable transmission (“CVT”) is disclosed. The CVT includes a drive pulley adapted to connect to a crankshaft of an engine. The drive pulley has inner and outer halves with belt engagement surfaces to engage the sides of the belt. The drive pulle... | 11/02/2004 |
| 6592478 | Variable speed transmission and method of use A variable speed transmission includes an actuator mechanism that can be remotely activated to cause engagement of a drive unit and to subsequently vary the speed of the drive unit using the same activation mechanism. The variable speed transmission can i... | 07/15/2003 |
| 5788592 | Drive system for an agricultural forage box An agricultural forage box includes an infinitely positionable variable speed drive system and an improved trip mechanism. The variable position drive system utilizes a drive belt for driving the floor conveyor of the forage box, which is driven in respon... | 08/04/1998 |
| 5662538 | Device for adjusting pitch diameter of sheave of variable speed mechanism A device for adjusting the sheave pitch diameter of a variable speed mechanism includes an output shaft, a linking member, an upper urging rod, a lower urging rod, and a motor. The device can be operated easily and safely such that the speed changing info... | 09/02/1997 |
| 5462492 | Continuous speed-shifting device In a continuous speed-shifting device in which a variable speed pulley mechanism and a planetary gear mechanism are combined with each other, respective cam mechanisms are provided on respective back sides of movable sheaves of variable speed pulleys of t... | 10/31/1995 |
| 5410923 | Shift control system for a vehicle transmission having a backward/forward drive changeover device and a stepless change speed device A shift adjusting device includes a cam plate and an arm. The cam plate is pivotable and operatively connected to a change speed interlocking mechanism extending between a shift pedal and a belt type stepless change speed device. The arm is also pivotable... | 05/02/1995 |
| 5209331 | Clutch construction A clutch construction for a reversible walk-behind soil compactor. The compactor includes a frame which carries a soil compacting plate and a drive mechanism, such as a gasoline engine is mounted on the frame and has a rotatable drive shaft. A pair of ecc... | 05/11/1993 |
| 5139846 | Two-piece sealing strip for sealingly framing a window pane, or a panel element within a frame The sealing strip has a main part (1') with a first sealing lip (6) for making sealing contact with a pane (7) or a filling element. The pane (7) is placed against the sealing lip (6) during assembly and rests on the top (10) of a lip (9'). A recess (13')... | 08/18/1992 |
| 4332572 | Remotely manually controllable belt drive clutch A belt drive clutch having a hexagonal sleeve splined on a power output shaft and carrying an outer sheave disc. A drive belt supporting annulus is freely rotatable on the sleeve and located between the outer sheave disc and an inner sheave disc. The inne... | 06/01/1982 |
| 4137786 | Speed change device A belt-type speed change device having a pair of pulleys around which passes a belt. A side plate of each of the pulleys is axially movable relative to the other, fixed, side plate, thereby to provide for changes in transmission ratio. A rest position of ... | 02/06/1979 |
| 4128017 | Variable speed drive A variable speed drive for a riding lawn mower or the like has a double pulley variable speed sheave assembly coupled between a driving pulley and a driven pulley by first and second V-belts, respectively. The sheave assembly is carried on a pivot arm piv... | 12/05/1978 |
| 4125037 | Variable speed transmission means A transmission means for drive by a prime mover, particularly the engine of an automobile, comprising a torque converter for direct drive by the prime mover, a continuously variable speed belt drive comprising a belt or chain entrained around two variable... | 11/14/1978 |
| 3964327 | Automatic synchronized pitch controls for pairs of driver and driven V pulley drives In a vehicle or the like, a source of power is connected to a drive shaft. Two pairs of pulley halves are splined to this shaft and can be moved apart and together and are rotated by the shaft. Driven shafts also carry pairs of pulley halves which are spl... | 06/22/1976 |
| 3939720 | Variable transmission drive pulley assembly with selective drive Disclosed herein is a variable transmission drive pulley assembly comprising a fixed sheave connected to a drive shaft for common rotation therewith, a movable sheave carried by the drive shaft for movement axially thereof relative to a retracted position... | 02/24/1976 |
