Capitiform is corrected and is used helmet

The utility model relates to a capitiform is corrected and is used helmet, its utensil are more stable, and the stress that does not receive warp and convenient efficiency of fixing a position. The utility model discloses a place ahead helmet, a rear helmet, a positioner and a fixing device. The pla...

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Bibliographische Detailangaben
1. Verfasser: ZHONG FENGYU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model relates to a capitiform is corrected and is used helmet, its utensil are more stable, and the stress that does not receive warp and convenient efficiency of fixing a position. The utility model discloses a place ahead helmet, a rear helmet, a positioner and a fixing device. The place ahead helmet is used for covering the front portion of establishing this head, and the rear helmet is used for covering the rear portion of locating this head. Rely on the cooperation of the above -mentioned the place ahead helmet and the rear helmet, in the time of can making the head skeleton grow, receive the place ahead helmet and the restriction on the produced space after the cladding of the rear helmet, and then grow along the space, reach the purpose of correcting the capitiform.