Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1977-02-16
1980-02-26
Wyche, Benjamin
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74801, 74866, F16H 128
Patent
active
041899628
ABSTRACT:
A multiple speed gear reducer embodying the present invention includes a power input shaft and a power output shaft, a plurality of load sharing gear trains interconnecting said input and output shafts, and two or more reaction gears of different sizes coaxially arranged on the input shaft and operatively connected to the gear train or trains for producing relative rotation between said gear train or trains and the input shaft. A clutch for each of said reaction gears selectively restrains the gears to obtain a predetermined gear reduction ratio between the input and the output shafts. The reaction gears are mounted on separate, coaxially arranged sleeves around the input shaft and are controlled through clutches on the sleeves to obtain a selected gear ratio.
REFERENCES:
patent: 2703021 (1955-03-01), Stoeckicht
patent: 2794350 (1957-06-01), Hart
patent: 3572171 (1971-03-01), Larsson
patent: 3599512 (1971-08-01), Wayman
patent: 3969950 (1976-07-01), Rau et al.
Hobbs Marmaduke A.
Reliance Electric Company
Wyche Benjamin
Yates James
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