| US 7,600,268 B2 | ||
| Helmet retention system with improved stability | ||
| David C. Rogers, Boston, Mass. (US); and Edward R. Hall, Somerville, Mass. (US) | ||
| Assigned to Artisent, Inc., Boston, Mass. (US) | ||
| Filed on Feb. 02, 2007, as Appl. No. 11/701,653. | ||
| Claims priority of provisional application 60/765144, filed on Feb. 04, 2006. | ||
| Claims priority of provisional application 60/842074, filed on Sep. 01, 2006. | ||
| Prior Publication US 2007/0192945 A1, Aug. 23, 2007 | ||
| Int. Cl. F41H 1/04 (2006.01) | ||
| U.S. Cl. 2—6.6 [24/265 BC] | 10 Claims |

| 1. A mounting buckle for a safety helmet, the buckle comprising first and second mating members each having an abutment surface, joinder of the first and second mating members bringing the abutment surfaces substantially into contact with each other, each of the mating members being configured for attachment to a respective V-shaped strap having an apex edge, each mating member comprising means for affixing the apex edge of an attached V-shaped strap substantially flush with the abutment surface of the mating member such that joinder of the first and second mating members brings the apices of the V-shaped straps substantially into contact with each other. |