Transmission for tractor

Details Transmission for tractor Transmission for tractor

2006-02-09

2008-10-14

Le, David D. (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S329000, C074S331000, C074S334000, C074S336001, C074S339000, C074S352000, C074S355000, C074S372000, C074S60600R

Reexamination Certificate

active

07434488

ABSTRACT:
A transmission for a tractor comprises a transmission case having an opening that opens to exterior of the transmission case and a speed change device that is housed in the transmission case. The transmission also includes a cover removably attached to the transmission case for closing the opening of the transmission, a main speed change shift fork supported by the cover and capable of engaging with and moving a main speed change shifter, and a sub speed change shift fork supported by the cover and capable of engaging with and moving a sub speed change shifter. The cover is capable of mounting a creep speed change device having a creep speed position.

REFERENCES:
patent: 4716775 (1988-01-01), Horii et al.
patent: 4719812 (1988-01-01), Machida et al.
patent: 5465630 (1995-11-01), Iwamoto
patent: 5570605 (1996-11-01), Kitagawara et al.
patent: 5901606 (1999-05-01), Umemoto et al.
patent: 6119552 (2000-09-01), Matsufuji
patent: 6397693 (2002-06-01), Umemoto et al.
patent: 8048168 (1996-02-01), None
patent: 2001-30781 (2001-02-01), None

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