Ring band adjustment structure of crash helmet

Details Ring band adjustment structure of crash helmet Ring band adjustment structure of crash helmet

A - Human Necessities

42

B

A42B 3/14 (2006.01)

Patent

CA 2390325

A ring band adjustment structure of a crash helmet comprises a ring band, a connection sheet, a guide bar, and a pair of locating adjusters. Two ends of the ring band are connected to the locating adjusters. The locating adjusters are connected to the guide bar so that the locating adjusters can move along a guide track formed at the edge of the guide bar. Through a control element in a slide grooves of the locating adjuster, a point-shaped unidirectional locating element on the bottom face of the inner end of the control element will leave from a corresponding strip-shaped unidirectional locating element of the locating bar on the guide bar, and the locating adjuster can move. Each end of the guide bar has a limit element so that the locating adjuster will not slide out.

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