Patent ID: 9638263
Date: 2017-05-02
CPC Classifications: F16D

Claim:
1. A claw coupling, comprising: two coupling elements disposed axially opposite one another and having end face surfaces which face towards one another and from which claws project and engage alternately into one another, said claws disposed on corresponding circular rings and having confronting concave curved claw surfaces, each said claw surface having a curvature configured to follow a first circular track defined by a radius; and a pressure body arrangement disposed between the coupling elements and made of elastic material, said pressure body arrangement including a ring element and pressure bodies which project radially outwards from the ring element and are respectively received between the claws of one of the coupling elements and the claws of the other one of the coupling elements, said pressure bodies having convex curved pressure body surfaces which engage during a torque transmission with the claw surfaces of the claws, each said pressure body surface having a curvature configured to follow a second circular track defined by a radius that is smaller than the radius of the first circular track, the radius of the first circular track of the claw surface and the radius of the second circular track of the pressure body surface touching one another at a radially innermost point of the claw surface, said radially innermost point of the claw surface being disposed on a common straight line having a center point of the first circular track and a center point of the second circular track.