Mounting for traction member with lateral step-down transmission

Motor vehicles – Special driving device – Portable track

Patent

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Details

B62D 5512

Patent

active

041311698

ABSTRACT:
A mounting for a vehicular traction member, such as an endless track, comprises a trunnion carried by means of two axially separated journal bearings on a hollow hub projecting from a vehicle frame, the hub being an extension of a transmission housing accommodating a planetary-gear train driven by a power shaft. An ancillary shaft coaxial with the power shaft, floatingly disposed within the hub, meshes at opposite ends with internal gear teeth of the trunnion and of a planet carrier forming part of the planetary-gear train, that planet carrier also driving a gear pump for the circulation of oil from a pump within the transmission housing across a space between the two journal bearings in which the oil is cooled through the trunnion wall.

REFERENCES:
patent: 2702603 (1955-02-01), Risk et al.
patent: 3978935 (1971-09-01), Davwalder
patent: 4029166 (1977-06-01), Haak et al.

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