发明名称 Square check tape measure device
摘要 A tape measure device for measuring lengths is provided. The tape measure device comprises a housing having a slotted opening. A retractable measuring tape is wound within the housing with the measuring tape having a free end extending through the slotted opening and a secured end secured within the housing and the measuring tape being alternatingly extractable from and receivable into the housing. A viewing slot is formed in the measuring tape. A triangular-shaped tab is secured to the free end of the measuring tape. A rotating mechanism provides rotation of the tab relative to the free end of the measuring tape.
申请公布号 US7716848(B1) 申请公布日期 2010.05.18
申请号 US20070983677 申请日期 2007.11.09
申请人 CALVEY RYAN 发明人 CALVEY RYAN
分类号 G01B3/10 主分类号 G01B3/10
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