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TORIC TRANSMISSION WITH HYDRAULIC CONTROLS AND ROLLER DAMPING MEANS

  • US 3,810,398 A
  • Filed: 11/16/1972
  • Issued: 05/14/1974
  • Est. Priority Date: 11/16/1972
  • Status: Expired due to Term
First Claim
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1. In a rotary motion transmitting device comprising:

  • a housing;

    coaxial input and output shafts rotatably supported in said housing;

    oppositely disposed toric elements, one being supported by each of said shafts for rotation therewith;

    at least two motion transmitting rollers disposed between said toric elements in radial symmetry with respect to the axis of the input and output shafts;

    a support structure for each of said rollers; and

    means for forcing said toric elements toward each other to cause frictional engagement of the motion transmitting rollers with the opposed surfaces of said toric elements;

    the combination therewith of tension means disposed between the toric elements and anchored to the housing, said tension means having radially outer ends spaced from said housing and connected to the roller support structures to balance the forces exerted on the rollers and to prevent transmission of vibrations from the rollers to the housing.

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