Planetary gear mechanism

Details Planetary gear mechanism Planetary gear mechanism

2005-07-19

2005-07-19

Pang, Roger (Department: 3681)

Planetary gear transmission systems or components

Planetary gearing or element

Planet pinion supported by roller bearings

C475S331000

Reexamination Certificate

active

06918853

ABSTRACT:
A planetary gear includes a sun gear, a ring gear, a plurality of pinion gears geared with the sun gear and the ring gear, a plurality of pinion pins provided at internal peripheral side and coaxial to the pinion gear to be rotatable relative to the pinion gear, a carrier having penetration bores inserted with axial end portions of the pinion pin for supporting the pinion pins so that the pinion gears rotate about the sun gear, a plate member provided on the carrier, a slit formed on an axial end portion of the pinion pin projected from one of the penetration bores, a fitting portion unitary formed on the plate member to be fitted into the slit, a recess portion of the carrier recessed in an axial direction, and a projecting portion unitary formed on the plate member to be engaged with the recess portion of the carrier.

REFERENCES:
patent: 3667324 (1972-06-01), Laing
patent: 4222290 (1980-09-01), Helmer et al.
patent: 4901601 (1990-02-01), Leggat
patent: 4998909 (1991-03-01), Fuehrer
patent: 5370590 (1994-12-01), Premiski et al.
patent: 5480362 (1996-01-01), Tanaka et al.
patent: 5928105 (1999-07-01), Taha et al.
patent: 6023836 (2000-02-01), Matsuoka et al.
patent: 5-248499 (1993-09-01), None
patent: 6-59381 (1994-03-01), None
patent: 9-303495 (1997-11-01), None

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