Music – Instruments – Automatic
Reexamination Certificate
1999-10-25
2001-01-09
Nappi, Robert E. (Department: 2837)
Music
Instruments
Automatic
C084S095200
Reexamination Certificate
active
06172286
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a transmission structure for simulating the actions of a cradle, and especially to a structure, wherein the power of a music bell serves to drive a cradle decoration to swing.
BACKGROUND OF THE INVENTION
U.S. Pat. Nos. 5,510,570 and 5,532,423 disclose a structure, wherein the power of a music bell serves to drive a cradle decoration to swing.
In the U.S. Pat. No. 5,510,570, a decoration includes an object, which may rotate and/or swing upwards and downwards repeatedly. The form of the actions of the decoration is different from the present invention. Thus, the transmission structures are also different.
Moreover, in U.S. Pat. No. 5,532,423, a music bell serves to drive a linkage to swing. By the swinging of the linkage, the decoration may move repeatedly. However, in the process of driving the linkage to swing, the horizontal position of the linkage is also changed. Thus, the moving mode is not suitable in some situations.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the present invention is to provide a transmission structure for simulating actions of a cradle. A transmission structure includes a frame, gears, a slidable seat. The frame is fixed above a musical bell. A driving gear is installed at the groove of the frame; and a transmission gear is installed between a lower portion of the frame and the teeth of the roller. The driving gear is engaged with the transmission gear. A slidable seat is installed at the upper surface of the frame. The notch of the slidable seat is at the pin position of the driving gear.
According to the structure, as the transmission gear is driven by the bell, the slidable seat is pushed by the pin of the driving gear so as to move straightly and repeatedly. Since the slidable seat slides horizontally along the tracks. Therefore, as the decoration moves linearly, it will retain in the same horizontal level.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.
REFERENCES:
patent: 3149525 (1964-09-01), Marder
patent: 4341142 (1982-07-01), Komatsu et al.
patent: 4557173 (1985-12-01), Isaka
patent: 5438153 (1995-08-01), Chen
patent: 5449856 (1995-09-01), Nakamori
patent: 5459278 (1995-10-01), Hsu
patent: 5510570 (1996-04-01), Liu
patent: 5532423 (1996-07-01), Liu
Lockett Kim
Nappi Robert E.
Rabin & Champagne, P.C.
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