| US 7,507,077 B1 | ||
| Self-locking tire blade system | ||
| Tom Haag, Atwater, Ohio (US); and Terry Ellis, Wadsworth, Ohio (US) | ||
| Assigned to Acro Tool & Die Company, Akron, Ohio (US) | ||
| Filed on Dec. 06, 2006, as Appl. No. 11/634,467. | ||
| Int. Cl. B29C 35/02 (2006.01) | ||
| U.S. Cl. 425—28.1 [425/193; 425/472] | 15 Claims |
| 10. A self-locking tire blade system comprising:
a tire blade having an attachment assembly extending from a base of said tire blade, said attachment assembly including at
least one prong having a width less than the length of said tire blade;
a tire mold having a receiver, said receiver defining a recess corresponding to said prong; and
wherein said attachment assembly has a surface adapted to deform said receiver upon insertion to create an interference fit
between said tire blade and said tire mold.
|