Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1974-05-31
1976-06-15
Wyche, Benjamin W.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
192 488, 192105B, F16H 374
Patent
active
039629341
ABSTRACT:
An automatic variable speed transmission, particularly for use in recreational vehicles, is disclosed. The transmission consists of a driving shaft and a driven shaft and a first centrifugal clutch hub rotatably carried by the driving shaft, and means are provided to rotate the first centrifugal clutch hub. A first centrifugal clutch assembly is secured to the first centrifugal clutch hub and is rotatable therewith, and a second centrifugal clutch hub is secured to the driving shaft and rotatable therewith and a first friction plate secured to the second centrifugal clutch hub is adapted to be engaged and driven by the first centrifugal clutch assembly upon the first centrifugal clutch assembly attaining a pre-selected speed of rotation. A driving shaft pinion is secured to the driving shaft and engages a first pinion of a first and second pinion group with rotatably carried by a gear casing and integral gear casing hub which is secured to the driven shaft. The first and second pinion are secured together and the second pinion is in driving engagement with the driven shaft. A second centrifugal clutch assembly is carried by the second centrifugal clutch hub and is rotatable therewith, and a second friction plate is secured to the gear casing hub which is rotatably carried by the driving shaft. The second centrifugal clutch engages and drives the gear casing hub through the second friction plate upon the attaining of a pre-selected speed of rotation to achieve a 1:1 driving shaft to driven shaft speed ratio.
REFERENCES:
patent: 1797826 (1931-03-01), Gage
patent: 2182427 (1939-12-01), Dunn
patent: 2210668 (1940-08-01), Hopkins
patent: 2597854 (1952-05-01), Cross et al.
patent: 2939343 (1960-06-01), Berklege
patent: 3109326 (1963-11-01), Holtan
patent: 3171524 (1965-03-01), Croft et al.
patent: 3768337 (1973-10-01), Racicot
Brady Rupert J.
McKenzie, Jr. Frank H.
Wyche Benjamin W.
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