Machine element or mechanism – Elements – Gear casings
Patent
1982-05-27
1985-02-05
Staab, Lawrence J.
Machine element or mechanism
Elements
Gear casings
74705, 74714, 747205, 74665T, 180 62, 180 67, F16H 3706, F16H 142, B62D 1100
Patent
active
044972180
ABSTRACT:
A drive system for a tracked vehicle includes a composite transmission having a primary transmission unit and a secondary transmission unit which is driven by components of the primary transmission unit. The primary transmission unit includes a propulsion gear and a steering gear both of which are driven from an engine drive shaft. The secondary transmission unit includes a pair of planetary gear sets which drive a pair of output wheels, tracks or chains of the vehicle. In order to conserve space, the transmission is configured such that the propulsion gear and the steering gear are positioned alongside the engine adjacent the drive shaft end of the engine and the secondary transmission components extend in front of the drive shaft end of the engine with a portion of each planetary gear set projecting alongside the engine. In an alternate embodiment, the propulsion gear and steering gear are positioned alongside the engine adjacent the drive shaft end while the secondary transmission components are positioned adjacent the opposite end of the engine.
REFERENCES:
patent: 3543871 (1970-12-01), Klaue
patent: 3785450 (1974-01-01), Suzuki
patent: 3938604 (1976-02-01), Kugler et al.
patent: 3966005 (1976-06-01), Binger
patent: 4184387 (1980-01-01), Kiritani et al.
patent: 4280579 (1981-07-01), Zaunberger et al.
patent: 4327603 (1982-05-01), Zaunberger et al.
patent: 4420991 (1983-12-01), Meyerle
International Wehrrevue, Sep. 1981, p. 1394.
Automobiltechnische Zeitschrift 82, (1980), 7/8, pp. 393-394.
Andrews Stephen
Staab Lawrence J.
Zahnraderfabrik Renk A.G.
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