Compounded countershaft transmission

Details Compounded countershaft transmission Compounded countershaft transmission

1995-06-19

1997-03-11

Luong, Vinh T.

Machine element or mechanism

Gearing

Interchangeably locked

74333, 74331, F16H 308

Patent

active

056090625

ABSTRACT:
A simple transmission (10) and compound transmission (100, 200, 300) having an extended range and/or number of gear ratios and minimized center distance and/or axial countershaft length is provided by the use of compounded countershafts ( 16, 116, 216, 316). Each of the compounded countershafts comprises a first portion (20) and a second portion (22) wherein the second portion telescopically surrounds the first portion and is supported for relative rotation thereon by bearing means (28, 128, 228, 328) carried by said first portion. In the compound transmission embodiments, the use of compounded countershafts allows the use of splitter-type auxiliary sections (114, 214, 314) and non-synchronized splitter jaw clutches (76).

REFERENCES:
patent: 3105395 (1963-10-01), Perkins
patent: 4034620 (1977-07-01), McNamara et al.
patent: 4152949 (1979-05-01), Vandervoort et al.
patent: 4269077 (1981-05-01), Vandervoot
patent: 4388838 (1983-06-01), Richards et al.
patent: 4428247 (1984-01-01), Young
patent: 4754665 (1988-07-01), Vandervoort
patent: 4782714 (1988-11-01), Schletzbaum et al.
patent: 5269194 (1993-12-01), Reynolds
patent: 5385066 (1995-01-01), Braum
patent: 5390561 (1995-02-01), Stine
patent: 5465630 (1995-11-01), Iwamoto

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