Lubricating structure for transmission

Details Lubricating structure for transmission Lubricating structure for transmission

2011-07-12

2011-07-12

Mansen, Michael R (Department: 3654)

Lubrication

Systems

Gearing

Reexamination Certificate

active

07975804

ABSTRACT:
A lubricating structure for a transmission includes an axial hole formed penetrating through a gear shaft in an axial direction thereof and having a first opening at one axial end of the gear shaft for supplying therein a lubricant and a second opening at the other axial end thereof, a first oil hole provided on the gear shaft in a radial direction thereof to establish communication between the axial hole and an outside of the gear shaft, and a tapered groove provided on an inner wall of the axial hole in the axial direction thereof, wherein the lubricant is supplied to a portion needing lubrication via the axial hole or via the axial hole and the first oil hole, and the tapered groove is deeper at the second opening side than the first opening side.

REFERENCES:
patent: 2165448 (1939-07-01), Browne
patent: 4987974 (1991-01-01), Crouch
patent: 6533072 (2003-03-01), Hori
patent: 7264564 (2007-09-01), Walter
patent: 2005/0192697 (2005-09-01), Walter
patent: 2006/0191746 (2006-08-01), Diosi et al.
patent: 2006/0287152 (2006-12-01), Bishop et al.
patent: 2009/0139262 (2009-06-01), Takahashi et al.
patent: 2000-81117 (2000-03-01), None
patent: WO0107762 (2001-02-01), None

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