Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1978-07-06
1980-04-08
Braun, Leslie
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
7423017A, 7423017D, 7423017P, F16H 5552
Patent
active
041966414
ABSTRACT:
A tandem-belt variable-speed transmission has a pair of shafts each provided with a pair of outer disks flanking an intermediate disk forming therewith a pair of nips each receiving a respective belt. One of each of the outer disks is fixed on the shaft and the other outer disk is axially displaceable on the shaft. The intermediate disk of each pulley is rotationally coupled to one of the respective outer disks and is axially displaceable relative to both disks. An adjustment member is rotationally fixed but axially shiftable on one of the shafts and is connected via a link to the movable disk of the other shaft for varying the pitch of the pulleys. A pressure element and a formation on the movable member of the one shaft and on the adjustment member rotationally couple this movable member to the one shaft.
REFERENCES:
patent: 1819227 (1931-08-01), Chorlton
patent: 2805583 (1957-09-01), Besel
patent: 2952167 (1960-09-01), Nelson
patent: 3044315 (1962-07-01), Duhamel
patent: 3088326 (1963-05-01), Woodward, Jr.
patent: 3365967 (1968-01-01), Moogk
patent: 3699827 (1972-10-01), Vogel
Braun Leslie
Ross Karl F.
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