Rotating drum in automatic transmission
AssigneeJATCO Ltd
InventorKazuhito Sano
Life of this patent
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Abstract
A clutch drum in an automatic transmission houses therein a clutch mechanism through which the clutch drum is driven. The clutch drum is rotatably mounted on a fixed shaft forming part of a transmission housing and comprised of a drum main body having a cylindrical drum section which is spaced from and coaxial with the fixed shaft. The drum main body is formed of aluminum alloy. A cylindrical friction material is fixed on the outer peripheral surface of the cylindrical drum section and frictionally contactable with a brake band wrapped around the drum main body. The brake is applied to the clutch drum upon tightening the brake band.
Claims7
A rotating drum in an automatic transmission, comprising:
- a drum body rotatably supported on a shaft, said drum main body being formed of an aluminum alloy;
- and
- a frictionally sliding member fixedly secured on an outer peripheral surface of said drum main body, said frictionally sliding member being formed of steel and being slidingly contactable with a brake band disposed around said drum main body.
Dependencies are inferred from the claim text.