Machine element or mechanism – Gearing – In series plural interchangeably locked nonplanetary units
Patent
1976-04-29
1978-02-21
Bentley, Stephen C.
Machine element or mechanism
Gearing
In series plural interchangeably locked nonplanetary units
74753, 74764, F16H 3704
Patent
active
040745929
ABSTRACT:
A vehicle transmission couples a plurality of input driven planetary arrangements with a plurality of selectable direct drive gear reduction means. The plurality of input driven planetary arrangements include a reverse planetary gear arrangement and in the preferred embodiment two forward planetary gear arrangements. The two forward planetary gear arrangements, each of which includes a ring gear which may be stopped, share a common planet carrier which drives the selectable direct drive gear reduction means. The reverse planetary gear arrangement includes a planet carrier which may be stopped, thus an associated reverse ring gear rotates in an opposite direction relative the input shaft. The reverse ring gear is coupled to the common planet carrier of the forward planet section. The direct drive section includes three drive gears in the preferred embodiment rotatably mounted on a quill shaft driven by the common planet carrier and coaxially mounted about the input shaft. Three driven gears are drivingly mounted on an output shaft, each intermeshing with a driving gear. Drive engagement devices are included to selectively engage one of the drive gears with the quill shaft.
REFERENCES:
patent: 2787919 (1957-04-01), Senkowski et al.
patent: 2838940 (1958-06-01), Swenson et al.
patent: 3264902 (1966-08-01), Breting et al.
patent: 3298252 (1967-01-01), Harris et al.
patent: 3352166 (1967-11-01), Marquart et al.
patent: 3354729 (1967-11-01), Marquart
patent: 3774460 (1973-11-01), Browning et al.
patent: 3774474 (1973-11-01), Recker et al.
patent: 3774475 (1973-11-01), Meysenburg et al.
Stevens W. Gene
Windish Willis E.
Bentley Stephen C.
Caterpillar Tractor Co.
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