SEALING SYSTEM FOR USE IN VARIABLE FOCUS LENSES

摘要

The present disclosure provides a sealing device for use in variable focus lenses that includes a guide member having at least one internal cavity and a passageway intersecting the internal cavity. A pinch member is slidably engaged within the internal cavity of the guide member and a portion of the pinch member slides across the passageway and into a portion of the internal cavity to deform and seal a fluid tube extending through the passageway. A set of adjustable eyeglasses employing the sealing device is also provided.

主权项

1. A sealing device comprising:
a guide member having at least one internal cavity and a passageway intersecting the internal cavity; and a pinch member slidably engaged within the internal cavity of the guide member, wherein a portion of the pinch member slides across the passageway and into a portion of the internal cavity to deform and seal a fluid tube extending through the passageway; wherein at least one extension is defined on one of the pinch member and the internal cavity, and a corresponding recess is defined in one of the other of the pinch member and the internal cavity, the extension engaging the recess to secure the pinch member and to inhibit proximal travel.