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FIXED STRUCTURE OF AN ECCENTRIC ROD, AND VIBRATION GENERATOR
专利权人:
发明人:
申请号:
EP11747229.0
公开号:
EP2540253A1
申请日:
2011.02.16
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
An electric toothbrush as a vibration generator is provided with a case (10), a motor (20), an eccentric rod (30A), a stem (40), and an oral hygiene member. The eccentric rod (30A) has an eccentric weight portion (33) and a rod portion (34) connected to a drive shaft (21) of the motor (20). The angle θ between the first central axis (33t) of the eccentric weight portion (33) and an extension line (34s), defined by extending the second central axis (34t) of the rod portion (34) towards the eccentric weight portion (33), is greater than 0 degrees and equal to or less than approximately 10 degrees in a state in which one end (31) of the eccentric rod (30A) is not inserted into a shaft receiving portion (44). In this way, a fixed structure of an eccentric rod and a vibration generator are obtained which reduce noise generated by vibration when run at high as well as at low rotation speeds.
来源网站:
中国工程科技知识中心
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