发明名称 |
Balancing device for dental arm |
摘要 |
The present invention relates to a balancing device for vertically movable dental arms such as a dental light arm and a dental tray arm, and more specifically to a balancing device which is capable of accurately positioning the arm at any desired position by sufficiently balancing the weight of a load head with the force of the spring member coaxially inserted in the arm. The balancing device features compact size, low cost and high operability.
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申请公布号 |
US4501557(A) |
申请公布日期 |
1985.02.26 |
申请号 |
US19830516802 |
申请日期 |
1983.07.25 |
申请人 |
KABUSHIKI KAISHA MORITA SEISAKUSHO |
发明人 |
TAMURA, JUN;MATSUI, TAKAHIRO;HOZUMI, KAZUO |
分类号 |
A61B6/00;A61B19/00;A61C19/00;A61G15/14;B23Q11/00;F16M11/04;F21V21/26;(IPC1-7):A61C1/14 |
主分类号 |
A61B6/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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