Transmission case

Details Transmission case Transmission case

1991-04-25

1992-04-21

Bonck, Rodney H.

Machine element or mechanism

Elements

Gear casings

F16H 5700

Patent

active

051056860

ABSTRACT:
A transmission case has a wall portion defining an oil pressure chamber of a fluid operated friction device, and an end portion having a threaded hole receiving a bolt for fastening a side cover to the case. In order to make the wall portion impervious to oil notwithstanding defects formed by casting, the wall portion is separated from the end portion by a U-shaped groove. Furthermore, the end portion is shaped into an outward flange through which the threaded hole passes from one side to the other.

REFERENCES:
patent: 4261227 (1981-04-01), Yamamori et al.
patent: 4628754 (1986-12-01), Ideta et al.
patent: 4736653 (1988-04-01), Hayakawa et al.
patent: 4793213 (1988-12-01), Nishimura
patent: 4823637 (1989-04-01), Taguchi et al.

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