Planetary gear transmission systems or components – Planet periphery surrounds axis of interacting gear – Circumferentially spaced connector pins
Patent
1992-10-14
1994-03-01
Braun, Leslie A.
Planetary gear transmission systems or components
Planet periphery surrounds axis of interacting gear
Circumferentially spaced connector pins
475179, 475180, 475176, F16H 128
Patent
active
052902080
ABSTRACT:
A series of speed increasing and reduction gear having an inscribed meshing type planetary gear construction, in which within the same frame number (sub-series) with a tie-in dimension to a mating machine being constant, on both high and low speed change ratio sides, sufficient dynamical strength is secured, parts may be used in common with each other, and general-use bearings which are low in cost and high in accuracy can be employed. To realize this, within the same frame number with a tie-in dimension to a mating machine being constant, a plurality of low speed change ratios to high speed change ratios are prepared, and despite the preparation of the plural reduction ratios, a diameter D of an input shaft 101 and an outside diameter D3 of an eccentric bearing 104a are set to be the same, the low reduction ratio side comprising a combination of the eccentric bearing 104a having a large inside diameter D5 and an eccentric body 103a having a large outside diameter (=D5) while the high reduction ratio side comprising a combination of an eccentric bearing having a small inside diameter D6 (D5>D6) and an eccentric body having a small outside diameter (=D6).
REFERENCES:
patent: 1867492 (1932-07-01), Braren
patent: 4471672 (1984-09-01), Butterfield et al.
patent: 4898065 (1990-02-01), Ogata et al.
patent: 4909102 (1990-03-01), Haga
patent: 5123884 (1992-06-01), Kondoh et al.
Braun Leslie A.
Sumitomo Heavy Industrie's, Ltd.
Wittels Daniel
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