Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1979-05-29
1981-10-20
Krizmanich, George H.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74675, 744115, 74793, 474 72, F16H 300, F16H 5710
Patent
active
042953910
ABSTRACT:
A transmission assembly comprising coaxial input and output shafts. A drive sprocket wheel carrying member is secured to and extends radially from the input shaft. A first sprocket wheel is co-axially mounted on the output shaft and a second sprocket wheel is rotatably mounted on the output shaft. A drive sprocket wheel assembly is rotatably mounted on the sprocket wheel carrying member, and each drive sprocket wheel assembly includes a primary and secondary sprocket wheel. For each drive sprocket wheel assembly, a chain extends about the primary sprocket wheel and the first sprocket wheel and a further chain extends about the second sprocket wheel and the second sprocket wheel. The speed of the rotation of the second sprocket wheel is controlled to control the speed of rotation of the output shaft. A reversal drive provides a step up during connection between the input shaft and the second sprocket wheel by way of a clutch, so that when the clutch is activated the second sprocket wheel is rotated faster than the input shaft to effect reversal of the output shaft.
REFERENCES:
patent: 2210598 (1940-08-01), Pepper et al.
patent: 3842685 (1974-10-01), Philpott et al.
patent: 3861484 (1975-01-01), Joslin
patent: 3885656 (1975-05-01), Michling et al.
patent: 3899941 (1975-08-01), Cook
patent: 3924490 (1975-12-01), Mills
patent: 4048871 (1977-09-01), Fyock
patent: 4192203 (1980-03-01), Dailey
Fuher Reginald S.
Philpott Arthur
Krizmanich George H.
Ready Pen Limited
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