发明名称 |
Dead bolt assembly |
摘要 |
The invention relates to improvements for an adjustable dead bolt assembly which includes an adjustable bolt extension member connected to a bolt and an extension housing connected to a bolt casing for accommodating the bolt extension member, wherein the bolt is provided with a uniform height and width throughout the length of the bolt for reducing the cost of the material and simplifying the processing steps.
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申请公布号 |
US4768817(A) |
申请公布日期 |
1988.09.06 |
申请号 |
US19870074269 |
申请日期 |
1987.07.16 |
申请人 |
TONG LUNG METAL INDUSTRY CO. LTD. |
发明人 |
FANN, YAW-SHIN;WU, RONG-FAA |
分类号 |
E05B63/06;E05C21/02;(IPC1-7):E05C21/02 |
主分类号 |
E05B63/06 |
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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