Tape measures providing access to the spooled blade
US7584549B2 · kind B2 · utility
22Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | May 10, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B2003/1025
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A tape measure having a case, in which is a spooled concave measuring blade, the blade being extendable from the case via an opening, the tape measure having a spring which acts to urge the blade back into its spooled configuration, and an end piece at the free end of the measuring blade, wherein the tape measure further comprises at least one aperture in the casing to allow direct access to the spooled blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.