Two-wheel drive and four-wheel drive change-over apparatus and driving actuator therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 12, 2006
Issued Date -
N/A
app pub date -
Sep 23, 2003
filing date -
Sep 23, 2003
priority date (Note) -
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status (Latency Note)
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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.
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