Patent ID: 7114479
Filing Date: 2006-10-03
Classification: F02N

Abstract:
1. An engine starting device comprising: a starting unit including a handle removably connected to a case, a first coil spring and a cable wheel received in the case, a spring cover mounted to the first coil spring and a driving ring securely connected to the cable wheel, a cable wrapped around the cable wheel and connected to the handle; a clutch unit having a first ring, a rotator having a plurality of notches defined in an inner periphery thereof and a second ring, each notch being a trapezoid notch and having a shallow end and a deep end in radial direction of the rotator, each notch having a roller and a spring received therein which biases the roller to be engaged with the shallow end and protruding out from the rotator, the first ring, the rotator and the second ring being connected with each other, the driving ring located in a center of the rotator and the rollers being in contact with an outer periphery of the driving ring; and a transmission unit having a second coil spring engaged with a spring wheel and a ratchet wheel, the second coil spring connected to the spring wheel and the ratchet wheel, the spring wheel secured to the rotator.