Patent ID: 7334270
Filing Date: 2008-02-26
Classification: B63C

Abstract:
1. A strap for diving face mask having a lengthwise axis extending lengthwise, a widthwise axis extending widthwise, an inner side facing a wearer's head, an outer side facing away from the wearer's head, a loop section defined in a middle zone thereof as viewed lengthwise and lateral sections extending from both sides of said loop section lengthwise, wherein said loop section comprises an upper branched sub-section and a lower branched sub-section which are divided by said lengthwise axis while said loop section is bilaterally symmetric with respect to a second lengthwise axis; said upper branched sub-section has a circumferential length larger than a circumferential length of said lower branched sub-section; wherein right and left halves of said strap divided by said widthwise axis slope toward the side of said lower branched sub-section.