Patent ID: 8011025

Claim:
A multifunctional safety helmet, comprising: a shell, having a concavity at each of its both sides, and a protection lump on the front thereof; a chin shield, positioned in the front of said shell, where an ear cover is on each of the top sides thereof, and pivoted on both sides of said shell with a fixing by a lift adjusting device; a clasp device, located in the interior of the front bottom of said chin shield and the interior of the protection lump of said shell, comprising: a button, linked by a spring for automatic rebound; a link pole, with one end connected to the end of the button; a slide, embedded in a seat, and connected to the other end of the link pole; a clasp chunk, positioned under the slide; and a movable clasp body, located at the interior of the protection lump of said shell, and shielded by a cover, where an opening is devised for accommodating the slide, and an elastic element being placed between the clasp body and the cover, and the clasp body comprising a flat piece, a clasp notch and a clasp hook, where the clasp notch is used for accommodating the clasp chunk and for griping with the clasp hook mutually; and a visor, pivoted within the lift adjusting device.