Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1976-09-03
1978-09-26
Gerin, Leonard H.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
7423017M, F16H 5552
Patent
active
041160800
ABSTRACT:
An infinitely variable cone-pulley transmission arrangement which includes an input shaft, a drive output shaft and at least a pair of cone-pulleys arranged on each shaft with a transmission element circulating between the respective pairs of pulleys. At least one cone-pulley on each shaft is mounted for axial displacement relative thereto in response to the movement of a transmission ratio setting member. A rotary connection is provided at at least one of the cone-pulleys for generating a torque-dependent and ratio-dependent pressing forces between the cone-pulleys and the transmission element. The rotary connection includes a presser device having a plurality of pairs of spaced oblique faces of variable gradient which lie peripherally opposite one another with rolling elements being interposed between each of the pair of oblique faces. An axially mounted support ring is arranged on the shaft with the rolling means being supported at least indirectly against an adjacent cone-pulley and the support rings. The pairs of oblique faces include channels arranged at the shaft which extend substantially parallel to the axis of the shaft with the channels having an effective oblique face gradient which is modified over the channel length. The rolling elements are arranged in the channels so as to be displaceable along the axis of the shaft over the entire transmission ratio. An abutment face is provided on at least one of the support ring and the adjacent cone pulley facing the respective channels or engaging the rolling means.
REFERENCES:
patent: 2678566 (1954-05-01), Oehrli
patent: 3365967 (1968-01-01), Moogk
patent: 3490301 (1970-01-01), Steuer
patent: 3590649 (1971-07-01), Fischer
patent: 3786688 (1974-01-01), Svenson
patent: 3975964 (1976-08-01), Adams
Gerin Leonard H.
P.I.V. Antrieb Werner Reimers Kommanditgesellschaft
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