Adjustable head gear
    1.
    发明授权
    Adjustable head gear 失效
    可调节头齿轮

    公开(公告)号:US3571930A

    公开(公告)日:1971-03-23

    申请号:US3571930D

    申请日:1969-08-15

    申请人: ORTHOBAND CO INC

    发明人: WOSKIN IRVIN S DE

    IPC分类号: A61C7/06 A61C7/00

    CPC分类号: A61C7/06

    摘要: Adjustable headgear is disclosed which includes a first or occipital strap having an upper end and a lower end and is adapted to extend from the back of the head of the wearer upward to the top area of the head. A second strap having an upper end and a lower end is adapted to extend from the right side of the head of the wearer upward to the top area of the head. A third strap having an upper end and a lower end is adapted to extend from the left side of the head of the wearer upward to the top area of the head. A top adjustment piece has slits therein through which the upper ends of the straps pass so that the length of each strap from its lower end up to the adjustment piece can be adjusted by sliding the strap through the slits in the adjustment piece. Backstrap means has forward end portions connected to the lower ends of the second and third straps and extends around from the lower end of the second strap to the lower end of the third strap. The lower end of the first strap is connected to the strap means generally centrally of the latter.

    Chin strap
    2.
    发明授权
    Chin strap 失效
    CHIN STRAP

    公开(公告)号:US3572329A

    公开(公告)日:1971-03-23

    申请号:US3572329D

    申请日:1968-05-01

    申请人: ORTHOBAND CO INC

    发明人: WOSKIN IRVIN S DE

    IPC分类号: A45D44/22 A61F5/08

    CPC分类号: A45D44/22

    摘要: AN ADJUSTABLE CHIN STRAP FOR ORTHODONTIC AND COSMETIC USE, THE CHIN STRAP COMPRISING A THERMOFORMABLE PLASTIC CUP FOR ENGAGEMENT WITH THE CHIN OF THE WEARER. THE CUP IS RELATIVELY RIGID, HAVING INTEGRAL FLEXIBLE STRAPS EXTENDING FROM ITS ENDS FOR CONNECTION TO ADJUSTABLE ELASTIC TRACTION

    BANDS. THESE BANDS INTERCONNECT THE CUP STRAPS WITH A HEADGEAR ADAPTED TO BE WORN ON THE HEAD.