Self-blocking differential for a transportation means

Details Self-blocking differential for a transportation means Self-blocking differential for a transportation means

2011-06-28

2011-06-28

Holmes, Justin (Department: 3655)

Machine element or mechanism

Gearing

Nonplanetary gearing differential type

C074S724000

Reexamination Certificate

active

07966908

ABSTRACT:
The invention relates to the automobile industry, is usable in transportation means differential drives capable of automatically blocking the wheels, and aimed at simplifying the self-blocking differential's design, reducing dimensions, easing the manufacturing, increasing the differential's strength and efficiency. The differential comprises a drive housing, provided with half-axial elements, arranged therein coaxially to each other, whose external surfaces are provided with helical grooves of an opposite spiral direction, rolling members in the form of balls fill in a chain manner at least one closed-loop channel arranged in the housing, and a part thereof made open for insertion of segments of the balls into the grooves. According to the invention, the longitudinal section of the channel is made of a rectangular longitudinal cross-section with rounded external corners, the transversal cross-section of branches of the channel is equal to the ball's diameter and the number of balls in the channel is odd.

REFERENCES:
patent: 4074585 (1978-02-01), Richaud et al.
patent: 5311788 (1994-05-01), Kasuga
patent: 5501118 (1996-03-01), Benton
patent: 6780133 (2004-08-01), Ohta
patent: 2723161 (1996-02-01), None
patent: 52043067 (1977-04-01), None
patent: 9184562 (1997-07-01), None

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