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US 7,452,300 B2Granted
Rotary-shaft support device
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsTetsuya Kohno, Yuji Yasuda
Life of this patent
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Abstract
A rotary-shaft support device including a casing having an inner circumferential surface defining a shaft hole in which an output shaft is rotatably fitted, the inner circumferential surface having a generally helical lubrication groove having a non-helical inlet end portion which is formed in an open end portion of said shaft hole and which is parallel to a plane perpendicular to an axis of said shaft hole.
Claims8
A rotary-shaft support device, comprising:
- a casing having an inner circumferential surface defining a shaft hole in which an output shaft is rotatably fitted,
- wherein said inner circumferential surface includes a generally helical lubrication groove having a non-helical inlet end portion which is formed on the inner circumferential surface and along only a part of an open end portion of said shaft hole and which is parallel to a plane perpendicular to an axis of said shaft hole.
Dependencies are inferred from the claim text.