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Splatter reduction in a small head contra-angle prophy
专利权人:
Ajay Kumar
发明人:
Ajay Kumar,Hamid Reza Abedi,Vishu Shah
申请号:
US15253442
公开号:
US09962236B1
申请日:
2016.08.31
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A splatter guard for a dental cleaning tool eliminates the splatter by gathering splatter first on the outer lower one-third to one-half of the fructoconical prophy cup using combination of vanes and the dimples. As the splatter migrates upwards, the splatter guard wipes off the splatter. The reason the splatter guard is constructed smaller than the cup is because it allows the cup to flex outward without interfering during use thereof. The splatter guard can be attached several different ways, including slide in, snap on, secured between two half-housing members, or formed integrally with the housing, for example. The drive train is housed in a partial split contra angle housing which allows accurate positioning of the gears as it is required to ensure that the cup rotates concentrically and remains in touch with the knife edge of the splatter guard.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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