作者: Norton Robert Goldberg
DOI:
关键词: Ring type 、 Geology 、 Acoustics 、 Ring (chemistry) 、 Engineering drawing 、 Head (vessel)
摘要: Provided herein is an opener for use with ring-type can opening tabs. The includes a ring insertion head spaced from elongated handle by extension member. comprises pair of gripping ears symmetrically positioned about common longitudinal centerline on which the member and lie. tapered inwardly handle-extension interface to head-extension interface, blunt tip formed at distal end. underside curved upwardly point between tip, while are their underside. head, because easily slid beneath tab maneuvered grip that ring. Upward forward pressure multiplied over length produce lever-like mechanical advantage effortlessly can.