Planetary gear transmission systems or components – Variable speed or direction transmission combined with... – Plural selectively driveable gears surround differential
Patent
1993-01-27
1995-01-31
Wright, Dirk
Planetary gear transmission systems or components
Variable speed or direction transmission combined with...
Plural selectively driveable gears surround differential
475198, F16H 140, F16H 3708
Patent
active
053855132
ABSTRACT:
Within a vehicle transmission casing (11), a plurality of speed-reducing and -changing gear trains are disposed between a drive shaft (12), which extends laterally of the transmission casing, and a differential gearing (13) for driving left and right wheel axles (15) differentially. The gear trains are composed of plural gears (17, 18; 117, 118, 119), which are fixedly mounted on the drive shaft, and another plural gears (20, 21; 120, 121, 122) which are rotatably mounted on a differential casing (14) of the gearing and mesh respectively with the gears on the drive shaft. A clutch member (23; 123) is disposed on the differential casing for coupling the gears thereon one at a time to this casing. The gears on the differential casing are preferably mounted on this casing through sleeve members (24a, 25b) which may be integral with a collar member (24) for supporting the clutch member slidably but non-rotatably relative to the differential casing. A compactness of the transmission assembly is attained while securing large speed-reducing ratios at the gear trains.
REFERENCES:
patent: 2183667 (1939-12-01), Buckendale
patent: 2454685 (1948-11-01), Avila
patent: 2460295 (1949-02-01), Keese
patent: 2831372 (1958-04-01), Boughner
patent: 2858713 (1958-11-01), Brownyer
patent: 3095759 (1963-07-01), Herrod
patent: 5046994 (1991-09-01), Hasegawa et al.
patent: 5142940 (1992-09-01), Hasegawa
patent: 5149308 (1992-09-01), Nakamura et al.
Hasegawa Toshiyuki
Iida Masaru
Ishii Norihiro
Yoshina Atsuo
Kanzaki Kokyukoki Mfg. Co. Ltd.
Ta Khoi Q.
Wright Dirk
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