Importance

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Abstract

An oscillation damping gear including a gear member generally in the form of a chrysanthemum, having teeth and radial grooves defined between and by adjacent teeth, and an oscillation damping member having oscillation damping elements fitted in the radial grooves of the gear member. The oscillation damping member may include a plurality of separate damping elements or a central annular portion with a plurality of legs radially extending from the center annular portion. The separate damping elements or the plurality of legs are snugly fitted into the radial grooves of the gear member. The oscillation damping member may also include two adjacent gear members that are superimposed, so as to create a phase difference between the teeth, and coupled through a damping plate. The damping plate is elastically deformable such that the adjacent gears may rotate relative to each other.

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First Claim