Machine element or mechanism – Gearing – Yieldability in gear trains
Patent
1997-12-01
1999-08-31
Herrmann, Allan D.
Machine element or mechanism
Gearing
Yieldability in gear trains
192209, 464 74, 464 89, 464 93, F16D 352, F16D 300, F16H 5700
Patent
active
059439130
ABSTRACT:
A rotatable apparatus includes a pair of rotatable members joined by a stress dissipating structure. The stress dissipating structure can be employed in a gear, sprocket, clutch or the like. In one aspect of the present invention, the stress dissipating structure includes an elastomeric material and a web which radially extend outward from the hub. In another aspect of the present invention, the stress dissipating structure includes a plurality of rotationally flexible spoke-like structures radially extending between the rim and the hub. In a further aspect of the present invention, corrugated spokes are used. An additional aspect of the present invention provides a stress dissipating structure employing various anti-buckling plate configurations. In still another preferred aspect of the present invention, the stress dissipating structure includes a plurality of rotatably deformable formations. Furthermore, the present invention provides a compressible washer stress reduction structure. In yet another aspect of the present invention, an external clutch mechanism together with an internal stress reduction system are employed.
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