Patent ID: 6390804
Filing Date: 2002-05-21
Classification: B29C,F16H,Y10S

Abstract:
A guiding structure for regulating a traveling direction of a swing arm comprising:a swing arm; rotating means having a rotary axis; and converting means comprising a first cam follower engaged with a first cam groove having a first prescribed cam curve and a second cam follower engaged with a second cam groove having a second prescribed cam curve, and provided along the rotary axis of the rotating means for transmitting a rotary force caused by the rotating means to the swing arm and for regulating a traveling direction of the swing arm in accordance with a prescribed traveling path, wherein the first cam follower and the first cam groove being made for regulating the traveling direction of the swing arm, and wherein the second cam follower and the second cam groove being made for transmitting the rotary force of the rotary means to the swing arm, and wherein a traveling direction of the swing arm is regulated by the converting means from a rotary direction to a thrust direction parallel to the rotary axis through an arcuate motion.