| US 7,370,432 B2 | ||
| Tape measure with detachable tape | ||
| R. Clark DuBois, 49 Bullivant Farm Rd., Marion, Mass. 02738 (US) | ||
| Filed on Sep. 06, 2006, as Appl. No. 11/515,891. | ||
| Claims priority of provisional application 60/715785, filed on Sep. 08, 2005. | ||
| Prior Publication US 2007/0051006 A1, Mar. 08, 2007 | ||
| Int. Cl. G01B 3/10 (2006.01) | ||
| U.S. Cl. 33—761 [33/767; 33/769] | 21 Claims |
| 1. A tape measure, comprising:
a case;
a resiliently deformable coiled tape inside said case that is free of connections to said case;
a flexible tension device that is attached to said case and that extends around and imparts a radially inward force to a majority
of a radially external periphery of said coiled tape;
plural spaced apart first rollers that roll on the external periphery of said coiled tape and that are urged radially inward
by said flexible tension device; and
plural slots inside said case and in which respective axes of said first rollers are displaced in response to a change in
diameter of the external periphery of said coiled tape.
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