Patent ID: 7562600
Filing Date: 2009-07-21
Classification: F16H,Y10T

Abstract:
1. A slat angle adjusting device comprising: a body composed of a pinion rotatably mounted inside the body and having a non-circular hole defined through the pinion; a drive axle rotatably mounted inside the body, engaging with the pinion and having an outer periphery and an engaging end provided with multiple teeth; a rotating rod rotatably attached to the body and having a roller attached to the outer end of the rotating rod, wherein the drive axle has at least one helical tooth formed on the outer periphery and engaging with the pinion; each one of the at least one helical tooth is composed of multiple separate helical tooth elements, and each helical tooth element has a length shorter than half a circumference of the outer periphery of the drive rod; and a gap is defined between adjacent helical tooth elements and is arranged in a longitudinal line along the outer periphery of the drive rod.