Two-wheel drive and four-wheel drive change-over apparatus...

Details Two-wheel drive and four-wheel drive change-over apparatus... Two-wheel drive and four-wheel drive change-over apparatus...

2006-09-12

2006-09-12

Fenstermacher, David (Department: 3682)

Machine element or mechanism

Gearing

Directly cooperating gears

C180S337000

Reexamination Certificate

active

07104151

ABSTRACT:
An actuator is provided with an output shaft connected to a driving gear, a pair of cam followers turned by the shaft and driving the cams held on driven shafts urging members held in housings of the driving gear, a rotation retaining plate mounted on the output shaft so that the rotation retaining plate cannot be rotated relatively to the output shaft, a plurality of pressing parts formed on the rotation retaining plate so as to project therefrom, and slits for preventing the driving gear and pressing parts from interfering with each other. The rotation of the driving gear is transmitted to the output shaft via the springs and rotation retaining plate. When the rotation of the driving gear is continued with the output shaft locked and stopped, one of both end portions of each spring is pressed by the corresponding pressing member.

REFERENCES:
patent: 4449416 (1984-05-01), Huitema
patent: 4664217 (1987-05-01), Welch et al.
patent: 4805472 (1989-02-01), Aoki et al.
patent: 6003395 (1999-12-01), Rogg et al.
patent: 6315073 (2001-11-01), Nonaka
patent: 6688448 (2004-02-01), Giefer et al.
patent: RE39054 (2006-04-01), Kagata et al.
patent: 0 187 117 (1985-12-01), None
patent: 07-179138 (1995-07-01), None

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