Joints and connections – Interfitted members – Radially interposed shim or bushing
Patent
1996-02-29
1997-03-25
Knight, Anthony
Joints and connections
Interfitted members
Radially interposed shim or bushing
403367, F16B 214
Patent
active
056137958
ABSTRACT:
An internal conical connecting device for connecting machine components comprising an inner bushing with a first set of parallel conical grooves, and an outer bushing with a corresponding second set of parallel conical grooves. The first and second sets of parallel conical grooves are engageable for wedging a hub into locking connection with a shaft upon axial movement of the outer bushing relative to the inner bushing. The first and second sets of parallel conical grooves have symmetrical segments removed to facilitate assembly and disassembly of the connecting device. A flat ring or integral flange is fixed to the inner bushing, and threaded members extend between the flat ring and the outer bushing. The flat ring and the threaded members are used to axially displace the inner and outer bushings relative to each other and generate a strong normal force for clamping and supporting the connected hub on the shaft. The inner and outer bushings have an axial split for reducing stiffness and allowing the bushings to bridge a larger gap. The outer bushing can be a separate component, or integral with a hollow output shaft of a shaft mounted gear reducer.
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Antony Gerhard
Lechler William
Knight Anthony
Linn Richard
Sumitomo Machinery Corp. of America
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