Collapsible helmet and corresponding production method
AssigneeMonopro Ltd.
InventorsOmer WAX, Menachem GUTTMAN, Benjamin GAL
Life of this patent
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Abstract
A collapsible helmet is formed as an arcuate layered structure openable into a honeycomb protective configuration. The arcuate layered structure is formed from a number of arcuate segments each covering only part of the helmet. Each segment is oriented so that an extensional cell direction of the honeycomb structure is radial for a middle-region. The arcuate layered structure is preferably bounded by arcuate end plates which engage with each other when the helmet is open to form a rigid loop encircling a bottom edge of the helmet.
Claims21
A collapsible helmet deployable for protecting a head of a user, the helmet comprising:
- an arcuate layered structure assuming a collapsed state and openable into a honeycomb protective configuration for encompassing at least an upper part of the head, said arcuate layered structure spanning an angular range from a first end to a second end in both said collapsed state and in said protective configuration,
- said arcuate layered structure being formed at least in part from a plurality of arcuate segments each having an angular span less than said angular range, each segment having a plurality of layers, each of said layers being joined to adjacent layers along lines of attachment, said lines of attachment being staggered between successive of said layers so as to define, when opened, a honeycomb structure with an extensional cell direction, said extensional cell direction being a radial direction for a mid-region of each of said arcuate segments,
- said arcuate layered structure including at least two of said arcuate segments deployed sequentially between said first end and said second end so that said extensional cell directions form an angle of no more than 45 degrees to radial directions of said arcuate layered structure across said angular range.
A collapsible helmet deployable for protecting a head of a user, the helmet comprising:
- (a) an arcuate layered structure openable into a honeycomb protective configuration for encompassing at least an upper part of the head, said arcuate layered structure being formed from layers joined to adjacent layers along staggered lines of attachment so as to define, when opened, a honeycomb structure;
- and
- (b) a pair of arcuate end plates bonded to outer surfaces of said arcuate layered structure, opposite ends of each of said arcuate end plates carrying complementary parts of an engagement configuration,
- wherein, in a collapsed stated of the helmet, said arcuate end plates are brought together with said arcuate layered structure between them,
- and wherein, when said honeycomb structure is open, said engagement configurations at ends of said arcuate end plates engage so that said arcuate end plates form a rigid loop encircling a bottom edge of the helmet.
A collapsible helmet deployable for protecting a head of a user, the helmet comprising:
- (a) a protective structure deployable as a dome for fitting to an upper part of the head of the user, said protective structure having strap guides located at regions of said dome corresponding to a right temple region, a left temple region, and at least one nape region;
- and
- (b) a strap harness configuration comprising:
- (i) a first strap portion extending from a first part of a chin buckle via said right temple strap guide, and traversing at least part of the dome of the protective structure,
- (ii) a second strap portion extending from a second part of a chin buckle via said left temple strap guide, and traversing at least part of the dome of the protective structure,
- (iii) a rear retainer strap arrangement interconnected with said first strap portion between said first part of said chin buckle and said right temple strap guide, interconnected with said second strap portion between said second part of said chin buckle and said left temple strap guide and deployed to extend around a nape of a neck of the user, and
- (iv) at least one rear tether, attached to or integrated with at least one of said first and second strap portions, extending from said dome via said at least one nape region strap guide and interconnected with said rear retainer strap arrangement.
(canceled)
Dependencies are inferred from the claim text.