Self-adjusting retention system for a helmet
The present invention is directed to a self-adjusting retention system for a helmet including a front head belt, a rear basket and a tensioning means or device for tensioning the front head belt and the rear basket along a wearer's head. The tensioning means includes a spring and a cable attached to the front head belt. The spring tensions the front head belt via the cable. In addition, the present invention is directed to a helmet including a dome and a self-adjusting retention system attached to the dome.
1. A self-adjusting retention system for a helmet comprising a front head belt, a rear basket and a tensioning means for tensioning the front head belt and the rear basket along a wearer's head, characterized in that the tensioning means comprises a spring and a cable attached to the front head belt, said spring tensioning the front head belt via said cable and said cable being movably connected to the rear basket.
2. A self-adjusting retention system for a helmet according to claim 1 , wherein the spring is a coil spring.
3. A self-adjusting retention system for a helmet according to claim 2 , wherein the spring is a coil spring and is a constant force coil spring.
4. A self-adjusting retention system for a helmet according to claim 3 , wherein the cable is made of elastic material.
5. A helmet comprising a dome and a self-adjusting retention system according to claim 4 , attached to the dome.
6. A helmet according to claim 5 , wherein the spring is fixed to the dome.
7. A helmet according to claim 6 , wherein the spring is located in a casing fitted in the dome.
8. A helmet according to claim 5 , wherein the front head belt and the rear basket are removably connected to the dome by hangers.