Machine element or mechanism – Elements – Gear casings
Reexamination Certificate
2005-03-25
2010-06-15
Johnson, Vicky A (Department: 3656)
Machine element or mechanism
Elements
Gear casings
Reexamination Certificate
active
07735394
ABSTRACT:
The present invention provides a tractor which can prevent leaking of oil. In a tractor which forms a transmission casing by communicably connecting a plurality of cylindrical casings in the fore-and-aft direction, a shaft-support-wall forming body is detachably mounted on an inner peripheral portion of an end portion of one cylindrical casing, and end surfaces of the cylindrical casing are brought into face contact with each other and are connected with each other without interposing the shaft-support-wall forming body therebetween.
REFERENCES:
patent: 4628768 (1986-12-01), Omura et al.
patent: 5570605 (1996-11-01), Kitagawara et al.
patent: 6360623 (2002-03-01), Matsufuji
patent: 53-92564 (1978-07-01), None
patent: 58-084262 (1983-05-01), None
patent: 59-065648 (1984-04-01), None
patent: 08-080754 (1996-03-01), None
patent: 2002-127766 (2002-05-01), None
Yamaguchi Tatsuo
Yamamoto Sukeyuki
Johnson Vicky A
Jordan and Hamburg LLP
Yanmar Co. Ltd.
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