Patent ID: 8220607
Filing Date: 2012-07-17
Classification: F16D

Abstract:
1. A torque limiter-incorporating one-way clutch comprising: an outer ring; an inner ring; a roller disposed between the outer and inner rings; a cage that includes an urging member urging the roller in a biting direction and a pocket receiving the roller; a cam surface that defines a locking position and a free position and is formed on the inner ring; and a recess formed in a region which is disposed beyond the locking position ofthe cam surface so that, if an overload is applied, then the roller is fitted into the recess, wherein a length of the pocket in a circumferential direction is smaller than a sum of an outer diameter of the roller and a free length of the urging member, and wherein an inner peripheral surface of the cage is formed so as to have a diameter substantially equal to a maximum diameter of the cam surface except in a vicinity of a spring receiving surface at which a rotation prevention portion is formed radially inwardly of a radially innermost portion of a spring retaining portion.