| 摘要 |
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 embodiment of the present invention, antibuckling plates generally spanning between a hub and rim define a hollow cavity. In another embodiment of the present invention, the stress dissipating structure includes a specifically configured sets of nodules moving the hub and rim. An additional aspect of the present invention provides a stress dissipating structure employing various anti-buckling plate attachment constructions. In still another embodiment of the present invention, a uniquely sized and packaged gear, gear housing and/or motor are employed in order to maximize output force per pound of material efficiencies.
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