Patent ID: 9683609
Date: 2017-06-20
CPC Classifications: F16D

Claim:
1. A flexible torque transmitting insert comprising: a plurality of equally spaced, circumferentially disposed lobes joined to one another by a plurality of radial segments; each lobe having an outer perimeter comprising first and second flat outer side surfaces, each extending from a junction with an adjacent radial segment, the outer perimeter further comprising a first rounded surface extending from the first flat outer side surface and a second rounded surface extending from the second flat outer side surface, the first and second rounded surfaces being joined together by a centrally located flat surface; each lobe further having an inner perimeter comprising first and second flat inner side surfaces, each extending from a junction with an adjacent radial segment, the inner perimeter further comprising a first rounded surface extending from the first flat inner side surface and a second rounded surface extending from the second flat inner side surface, the first and second rounded surfaces being joined together by a centrally located flat surface; and wherein each lobe comprises a solid body of flexible material in the space encompassed by said outer and inner perimeters.