Abstract: An electric machine for a vehicle comprising a shaft, a first one-way-clutch between the shaft and a driving member; and a second one-way-clutch between the shaft and a driven member is provided. The shaft is rotatably received within the electric machine. The first one-way-clutch transmits a first torque from the shaft to the driving member, but does not transmit a second torque from the driving member to the shaft. The second one-way-clutch transmits the second torque from the driven member to the shaft, but does not transmit the first torque from the shaft to the driven member.

Abstract: An automatic tensioner to be used with a drive train of a self-propelled mower for drivingly connecting a ground wheel to the mower transmission, wherein the tensioner includes tensioning mechanism, which may be constructed as a spring biased idler arm having an idler member rotatably mounted thereon, to apply a tensioning force against the flexible element of the drive. The tensioner further includes an anti-slackening assembly having an elongated takeup rod being pivotally coupled with the idler arm at one end thereof so that the takeup rod moves generally with the idler arm, as the arm moves in a tensioning direction and opposed slackening direction. The anti-slackening assembly also includes a swingable control tab having an aperture receiving the other end of the takeup rod.

Abstract: A clutching mechanism for a suspended belt driven mower assembly that automatically removes the mower drive belt from the pulley system when the mower assembly is raised. A brake contacts the endless drive belt when the mower is in the raised position to prevent movement of the belt. A belt retainer is positioned about one of the pulleys of the pulley system to retain the belt adjacent the pulleys when the belt tension is released. An electrical interlock system is provided to prevent the motor from being started in any position other than the mower assembly raised position.