Transmission

Details Transmission Transmission

1981-07-31

1984-01-31

Herrmann, Allan D.

Machine element or mechanism

Gearing

Interchangeably locked

F16H 308, F16D 2102

Patent

active

044282478

ABSTRACT:
A simple change gear transmission utilizing an improved clutch structure and/or an improved idler structure to provide compounded countershafts is provided. The improved clutch structure involves the use of axially adjacent tube clutch members (76, 90) operated by side-by-side shift forks (86, 100) to selectively clutch one at a time four axially adjacent mainshaft gears (50, 52, 54, 56) to a mainshaft (18). Compound countershaft (16) comprising a forward portion (20) and a rearward portion (22) are provided for increasing the number and/or range of gear ratios. A combination tube clutch-idler shaft (108) is utilized to provide increased reduction to the rearward countershaft portion for first gear and reverse gear operation of the transmission.

REFERENCES:
patent: 3046807 (1962-07-01), Barth et al.
patent: 3138965 (1964-06-01), Brey
patent: 3500695 (1970-03-01), Keiser
patent: 3534607 (1970-10-01), Selzer
patent: 3593596 (1971-07-01), Race
patent: 3600962 (1971-08-01), Ivanchich
patent: 3757598 (1973-09-01), Van Dest
patent: 3799002 (1974-03-01), Richards
patent: 4136575 (1979-01-01), Labat
patent: 4152949 (1979-05-01), Vandervoort

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