DIFFERENTIAL DEVICE AND ASSEMBLY METHOD FOR SAME

WIPO Patent Application WO/2020/196286

A1

A differential device wherein an annular recess is provided to one facing surface among a differential case inner surface and a side gear back surface, a protrusion is provided to the other facing surface, and the annular recess and the protrusion can engage such that when the side gear is in the proper installation location within the differential case, rotation of the side gear is allowed but revolution of the same around a pinion shaft is prevented. In this differential device, among the facing surfaces of the inner surface (8i) of the differential case (8) and the side gear back surface (23f), the one facing surface that has the annular recess (50) has a passage groove (51), which is in communication with the annular recess (50) and has a shape allowing the protrusion (61) to pass therethrough, and the groove width of an opening (e) of the passage groove (51), said opening (e) facing the annular recess (50), is smaller than the outer diameter of the annular recess (50). Consequently, even when an annular recess and a protrusion are specially provided to these facing surfaces in order to prevent slippage of the side gear, there is no need to secure a wide assembly space for the side gear between the differential case inner surface and a pinion gear.

SEKIGUCHI AKUTO (JP)

PCT/JP2020/012348

October 01, 2020

March 19, 2020

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MUSASHI SEIMITSU KOGYO KK (JP)

F16H48/08; F16H48/40; F16H57/023; F16H57/037

JP2018054043A	2018-04-05
JPH1130315A	1999-02-02

OCHIAI & CO. (JP)

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