| 摘要 |
In a transmission including a transmission housing and a clutch cover which are coupled with each other by sealingly contacting their respective mating flange portions, there is provided an air breather device which comprises a first rib formed on the transmission housing to form near the mating flange portion of the housing a first recess, a second rib formed on the clutch cover to form near the mating flange portion of the casing a second recess, the first and second ribs being sealingly contacted at their tops with each other to merge the first and second recesses to form a chamber upon coupling the transmission housing and the clutch cover, first means defining in the first and second ribs respective cuts which constitute, upon coupling the transmission housing and the clutch cover, independent openings through which the interior of the chamber is communicated with the interior of the transmission housing, and second means communicating the interior of the chamber with the outside of the transmission housing.
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