Patent ID: 7250002

Claim:
A flexible coupling comprising: a plurality of drive side connection elements and driven side connection elements arranged alternately in a circumferential direction; bobbins outward inserted to the respective connection elements in a come-off prevention state; first and second connection bands wound in a loop shape around and in direct contact with the bobbin in an outer periphery of said drive side connection element and the bobbin in an outer periphery of the driven side connection element which is adjacent in a circumferential direction, the connection bands being alternately arranged in the circumferential direction; a pair of collars, each of which comprising a cylinder portion and a collar portion, being arranged between the bobbins and the drive side and driven side connection elements, and the cylinder portions being press fit to the outer periphery of the drive side connection elements and the outer periphery of the driven side connection element, respectively, and; an annular elastic body formed in a state in which said bobbins and the first and second connection bands are buried, and formed continuously in the circumferential direction, wherein said bobbins are made of a synthetic resin material and each bobbin is loose fitted to one of the respective connection elements.