Card – picture – or sign exhibiting – Display with special effects – Electromotor operated
Reexamination Certificate
2000-09-13
2002-08-06
Davis, Cassandra H. (Department: 3628)
Card, picture, or sign exhibiting
Display with special effects
Electromotor operated
C040S414000, C084S095200
Reexamination Certificate
active
06427368
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a device that will enable the decoration on a music box to sway front and back while it moves up and down, particularly to a device that will enable the decoration on a music box to sway front and back simultaneously while it keeps moving up and down.
Conventionally, a decoration on a music will move in one of such ways as up and down, front and back, rotation on its axis, or in circles; the U.S. Pat. No. 5,640,791 relates to a mechanism wherein the decoration on a music box that will not only rotate, but will also move up and down, but it is not applicable to make the decoration to sway front and back, since the lift rod in its mechanism is fixed by a guide plate on a revolving disc, so the decoration or wooden horse rotate around a shaft rod, in case a moving shaft is to be added to each decoration or wooden horse, it will not only sophisticate the construction, but will cause significant cost increase, and the energy consumed in each operation shall require a larger battery box and a more powerful driving motor, as a result, its fundamental restrictions prevent it from front-and-back swaying effect, and the movement of the decoration appears less than realistic.
In view of such shortcomings and based on many years of experiences in the production and designs of products related to toys and music box gifts, the inventor has devoted in the research and improvement and has finally come up with a device that will enable the decoration on a music box to simultaneously sway front and back while it moves up and down, so that the movement of the decoration item or wooden horse on said music box will be more realistic, and hence such a mechanism is filed for the application of a patent right. Your favorable shall be appreciated.
SUMMARY OF THE INVENTION
The primary objective of the present invention is: the design of a device that will enable the decoration on a music box to sway front and back while it moves up and down, so the movement of the decoration on the music box will appear more realistic.
Another objective of the invention is: the design of a motor controlling the gear set, so designed that the decoration on a music box will sway to the front and back while it moves up and down.
The invention comprises mainly a first motor that drives the music wheel and cause the spring plates on the base to produce music, a second motor driving a gear set involving various gears, a propping post and a ball collar; the driving wheel rotating rod in the gear set being connected to two driving wheels, each of the two driving wheels being joined with the driving rod to a propping post, the ball collar being pierced by the propping post being mounted in the recess of the ring collar, and the ring cover fixing the ball collar in tile through hole in the ring collar; so when the second motor drives the gears and the driving wheel to turn, the propping post moves up and down in the through hole with the ball collar, and with tile feature of the ball collar swaying front and back around tile center of the ball collar support post in the ring collar, the decoration item on the music box will simultaneously sway to the front and back.
To enable your detailed understanding of the main technological contents of the invention, the following drawings are described in details:
REFERENCES:
patent: 5090144 (1992-02-01), Liu
patent: 5430239 (1995-07-01), Chen
patent: 5870843 (1999-02-01), Hsu et al.
Davis Cassandra H.
Pro-Techtor Inter-national Services
Ya Yung Enterprise Co., LTD
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