Planetary gear transmission systems or components – Differential planetary gearing – Bevel gear differential
Reexamination Certificate
2006-03-22
2008-10-28
Wright, Dirk (Department: 3681)
Planetary gear transmission systems or components
Differential planetary gearing
Bevel gear differential
Reexamination Certificate
active
07442144
ABSTRACT:
A slide-proof structure between an outer wall of a planet gear and a planet frame of a differential mechanism comprises a left half shaft engaged to a left gear; a right half shaft engaged to a right gear; at least one planet gear installed between the left gear and the right gear; a planet frame installed at outer sides of the left half shaft and the right half shaft; the planet frame being formed by two pieces which includes a left sub-frame and a right sub-frame; and a slide proof device installed at an upper outer wall or a lower outer wall of the planet gear and located between the left sub-frame and the right sub-frame of the planet frame. Furthermore, an elastic body is installed at an outer side of the slide proof device; and the elastic body resisting against the slide proof device.
REFERENCES:
patent: 2354214 (1944-07-01), Lockwood
patent: 3724289 (1973-04-01), Kennicutt
patent: 5472385 (1995-12-01), Vu
patent: 5897452 (1999-04-01), Schreier et al.
patent: 6015362 (2000-01-01), Irikura et al.
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