Patent ID: 6658957
Filing Date: 2003-12-09
Classification: B60H,F16H,Y10T

Abstract:
A link mechanism for transmitting a driving force from a driving source to a driven unit, the link mechanism comprising:a first link disposed to be movable by the driving force from the driving source; a second link operatively linked with the first link in a connection portion to move the driven unit, wherein: in the connection portion, one of the first link and the second link includes a cam groove having a bent portion which is bent by a radius of curvature smaller than a predetermined value, and the other one of the first link and the second link includes a pin slidable within the cam groove; and the pin is disposed to be slidable in the cam groove with a sliding speed, the sliding speed of the pin is set lower when the pin slides within the cam groove by a predetermined amount, as compared with the sliding speed before the pin slides in the cam groove by the predetermined amount.