Title: Riveting structure of eight categories of musical instrument
Application Number: 97101140 Application Date: 1997.01.31
Publication Number: 1189402 Publication Date: 1998.08.05
Approval Pub. Date: Granted Pub. Date: 2001.07.04
International Classifi-cation: B21J15/00,G10F5/00
Applicant(s) Name: Yunsheng (Group) Co., Ltd., Ningbo City Address: 315040
Inventor(s) Name: Zhu Yunde
Attorney & Agent: zhang gang
Abstract:
     A plastics-metal riveted structure for music box, especially for the connection between plastic spring casing and metal base plate of music box features that a flat punching head is used to rivet between plastic leg and rivet and the height of bottom plane of the rivet's internal punching hole is nearly equal to the height of top plane of plastic leg, so eliminating the radial tension applied to internal hole of leg on punching and preventing the plastic leg from being broken.
Time: 6
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