| 发明名称 |
Headrest for operatory chair |
| 摘要 |
An angularly adjustable headrest for an operatory chair having means to quickly and effectively latch and unlatch the headrest pad relative to the supporting member incident to positioning the headrest member at a desired angle relative to the back of the chair.
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| 申请公布号 |
US4014594(A) |
申请公布日期 |
1977.03.29 |
| 申请号 |
US19760646303 |
申请日期 |
1976.01.02 |
| 申请人 |
DENTSPLY RESEARCH & DEVELOPMENT CORPORATION |
发明人 |
HAIN, LARRY A. |
| 分类号 |
A47C7/38;A61G15/12;(IPC1-7):A47C1/10 |
主分类号 |
A47C7/38 |
| 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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