MOVING CAM FOR A LOCKING HUB WITHOUT CHANGES IN MICRO CELLS OF THE MOVING CAM EVEN THOUGH THE MOVING CAM IS USED FOR A LONG TIME

摘要

PURPOSE: A moving cam for a locking hub is provided to form a washer groove on the top of the moving cam, thereby stably coupling a washer between an external gear holder and the moving cam.;CONSTITUTION: A moving cam(20) for a locking hub includes a body unit(21), a plurality of protrusions(22), and a washer groove(23). The body unit has a ring shape. A gear engaged with an internal gear is formed on the inner circumference of the body unit. The protrusions are protruded toward the bottom of the body unit. The washer groove is formed on the top of the body unit so that a washer(30) is placed on the washer groove. The moving cam is mounted on a locking hub. The moving cam attaches/detaches an internal gear and an external gear while the moving cam vertically moves along with a slope. The surface of the moving cam is coated by Teflon.;COPYRIGHT KIPO 2012