Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having...
Patent
1996-12-16
1998-05-12
Dunn, Eileen A.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
403354, 464162, 464179, F16D 300
Patent
active
057497869
ABSTRACT:
A shaft coupling including a socket in an end of a first shaft element and a plunger on an end of a second shaft element. The plunger is divided by a longitudinal slot in the second shaft element into a pair of laterally flexible cantilever springs each having a pair of converging planar sides. Each of the converging planar sides of the cantilever springs has a transverse convex lobe at a distal end thereof and a concave recess inboard of the transverse convex lobe. The socket has a plurality of planar sides which define wedge-shaped corners facing the cantilever springs when the plunger is in the socket. The cantilever springs bias the transverse convex lobes thereon toward the wedge-shaped corners of the socket to rotatably couple the first and second shaft elements with zero dimensional tolerance therebetween. A flat shim in the longitudinal slot in the second shaft element limits additional flexure of the cantilever springs during torque transfer. The transverse convex lobes engage the planar sides of the sockets tangent to the transverse convex lobes to accommodate relative articulation and relative linear translation between the first and the second shaft elements.
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Dunn Eileen A.
General Motors Corporation
Schwartz Saul
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