Decelerating device and projection screen rolling mechanism

Details Decelerating device and projection screen rolling mechanism Decelerating device and projection screen rolling mechanism

2011-07-26

2011-07-26

Young, Edwin A. (Department: 3655)

Planetary gear transmission systems or components

Condition responsive control

Centrifugally controlled clutch or brake

C359S461000

Reexamination Certificate

active

07985157

ABSTRACT:
A decelerating device includes a fixed shaft, a tube, a transmission element and a driven element is provided. The tube is disposed around the fixed shaft and adapted to rotate about the fixed shaft. The transmission element has a fixed portion fixed at the fixed shaft and a planetary gear revolvably disposed at the fixed portion. The teeth of the tube are geared to the planetary gear. The driven element has a wheel, a sun gear fixed at the wheel and a plurality of balls. The sun gear and the wheel are revolvably disposed at the fixed shaft and in the tube. The planetary gear is adapted to drive the sun gear. The wheel has holes. Each of the holes extends from an outer surface of the wheel facing the tube to the interior of the wheel to form a cavity. The balls are disposed in the holes respectively.

REFERENCES:
patent: 5099906 (1992-03-01), Chigusa et al.
patent: 7706067 (2010-04-01), Liang
patent: 2002/0048083 (2002-04-01), Okumura
patent: 2008/0032849 (2008-02-01), Briscoe

Affiliated with

Also associated with

Rating

Decelerating device and projection screen rolling mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Decelerating device and projection screen rolling mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Decelerating device and projection screen rolling mechanism will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2650651