发明名称 |
Tape measure having a self-powered reel assembly |
摘要 |
A tape measure having a self-powered reel assembly and a housing for receiving the self-powered, reel assembly. The self-powered, reel assembly includes: a primary spool having a measuring tape wound upon the primary spool; a secondary biased spool assembly; and a coupler for connecting the primary spool to the secondary biased spool assembly for retracting the primary spool. In the preferred embodiment, the secondary biased spool assembly includes a spring spool having a spring drive spool and a backwound spring.
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申请公布号 |
US2004064961(A1) |
申请公布日期 |
2004.04.08 |
申请号 |
US20020264293 |
申请日期 |
2002.10.03 |
申请人 |
HARRIS GEORGE P.;CLONTZ WILLIAM C. |
发明人 |
HARRIS GEORGE P.;CLONTZ WILLIAM C. |
分类号 |
G01B3/10;(IPC1-7):G01B3/10 |
主分类号 |
G01B3/10 |
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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