Differential gear apparatus

Details Differential gear apparatus Differential gear apparatus

1995-08-11

1997-10-07

Ta, Khoi Q.

Planetary gear transmission systems or components

Differential planetary gearing

Spur gear differential

475249, 475252, F16H 145, B60K 1720

Patent

active

056741464

ABSTRACT:
A differential gear apparatus includes a differential case 21 having casing members 31,33 fixed by a tightening member 35 and driven by an engine to be rotated, side gears 37,39 on the wheel side, pinion gears 57,59 for linking the gears 37,39 with each other, and receiving bores 53,55 formed of first and second wall surfaces 77,79,83,85 which are respectively formed in the casing members 31,33 for receiving the pinion gears 57,59 slidably and rotatably therein, wherein wall surfaces 77,79 occupy semicircles or more of the receiving bores 53,55, and curvatures of the wall surfaces 83,85 are set to be larger than those of the wall surfaces 77,79 and wherein distances between the wall surfaces 83,85 and the pinion gears 57,59 are set to be longer than distances between the wall surfaces 77,79 and the pinion gears 57,59 in contacting areas of respective wall surfaces.

REFERENCES:
patent: 5221238 (1993-06-01), Bawks et al.
patent: 5518464 (1996-05-01), Teraoka
patent: 5562562 (1996-10-01), Teraoka
patent: 5616096 (1997-04-01), Hagiwara

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