Chains for power transmission

Details Chains for power transmission Chains for power transmission

2011-08-23

2011-08-23

Marcelo, Emmanuel M (Department: 3654)

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

C474S221000, C474S219000, C474S220000

Reexamination Certificate

active

08002658

ABSTRACT:
A power transmission chain includes a plurality of links and a bending-restraining mechanism. The bending-restraining mechanism includes a wire extending in a lengthwise direction along the chain and engaging at least three adjacent joints of the chain. The wire is formed such that it elastically deforms when an inside link rotates around the inner joint in a first direction from a linearly extending state, the wire thereby applying a bending resistance to the inside link during articulation of the chain. In one embodiment, the wire includes at least one curved section clipped around at least a majority of a circumference of at least one joint. In another embodiment, the wire is formed such that a predetermined bias due to a bending deformation of the wire is applied to the inside link when the chain is extended linearly.

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