Transmission casing including reinforcing rib and pocket part

Details Transmission casing including reinforcing rib and pocket part Transmission casing including reinforcing rib and pocket part

1995-10-20

1997-08-19

Marmor, Charles A.

Machine element or mechanism

Elements

Gear casings

F16H 5702

Patent

active

056576722

ABSTRACT:
A casing body of a transmission casing has an oil pan mounting flange including an oil pan joint surface for joining an end surface of the oil pan, and a housing mounting flange including a housing joint surface for joining an end surface of a housing. The oil pan mounting flange and the housing mounting flange are provided substantially perpendicularly to each other. A reinforcing rib is formed parallel to the oil pan joint surface to reinforce the casing body. A pocket part is formed on the back surface of the reinforcing rib opposite to the direction of the oil pan joint surface, and a processing/assembling reference hole is formed in the reinforcing rib at a location of the rib where the pocket part is formed. As the reference hole is obtained without protruding the flanges, a greater degree of design freedom is provided and material costs are reduced. Further, if the flange is clamped, a claiming force is not exerted on the reference hole, thereby preventing deformation or displacement of the hole.

REFERENCES:
patent: 3613481 (1971-10-01), Lapinski
patent: 3942502 (1976-03-01), Gorres et al.
patent: 4226200 (1980-10-01), Morisawa et al.
patent: 4467754 (1984-08-01), Hayashi et al.
patent: 4885953 (1989-12-01), Sweetland et al.
patent: 4995971 (1991-02-01), Droste et al.
patent: 5231894 (1993-08-01), Okita et al.

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