Gearbox

Machine element or mechanism – Gearing

Patent

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Details

74804, 74805, 74794, 192 18A, F16H 3300, F16H 128, F16H 344, F16D 1106

Patent

active

045452636

ABSTRACT:
Gearbox comprising a first clutch-hub having gear-teeth and a coaxial hollow wheel also with gear-teeth, connected to, but not rotating upon, a second clutch hub, and also having a planetary gear in part engagement with the gear-teeth and an adjustable transmission-shaft. The latter is adapted to be adjusted, by means of an adjusting device, in such a manner that the clutch-hub and the hollow wheel rotate selectively, either at rotational speeds between which there is a predetermined difference, or in synchronism. In a known gearbox of this kind, the planetary gear is arranged eccentrically upon the transmission-shaft, causing relatively considerable imbalance and relatively high bearing loads at high rotational speeds. In order to overcome this problem, and to achieve a simple design, especially of the transmission shaft, the invention proposes that the first clutch-hub comprise a radially spaced, internally toothed ring, creating an annular space. Arranged at least partly in this annular space is the transmission-shaft and the internally-hollow, coaxially arranged planetary gear.

REFERENCES:
patent: 3164036 (1965-01-01), Lamburn et al.
patent: 3872954 (1975-03-01), Nordstrom et al.
patent: 3918326 (1975-11-01), Kida et al.
patent: 4099427 (1978-07-01), Fickelscher
patent: 4235129 (1980-11-01), Takasu
patent: 4425822 (1984-01-01), Marschner et al.
patent: 4434682 (1984-03-01), Fickelscher

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