Patent ID: 6067706
Filing Date: 2000-05-30
Classification: A61B,B25B,Y10T

Abstract:
A clip driver for driving a plurality of clips one by one, each of said clips being formed by a back portion and abutment portions abutting against each other elastically, said clip driver comprising:a casing body for accommodating said plurality of clips, said casing body including a sheet-like member insertion inlet formed at a front end of said casing body for inserting sheet-like members to be clipped, a clip insertion inlet formed at a rear end of said casing body for inserting said clips one by one, an opening formed in a front end upper surface of said casing body so as to extend in a longitudinal direction of said casing body, a clip path formed in said casing body so as to extend from said sheet-like member insertion inlet to said clip insertion inlet, and clip stopper means for engagement with said clips so as to allow said clips to advance but prevent said clips from retreating;clip opening springs disposed in said casing body in a vicinity of said sheet-like member insertion inlet of said casing body for opening a nip between said abutment portions of a frontmost clip;an operation knob fitted into said opening so as to be movable in the longitudinal direction of said casing body for feeding the frontmost clip in said clip path toward said sheet-like member insertion inlet over said clip opening springs by means of a front end of said operation knob;a feed member which is movable together with movement of said operation knob in the longitudinal direction of said casing body, said feed member having a plurality of feed protrusions which make a second and following clips advance simultaneously when said feed member advances, while said feed member can retreat without making said advanced clips retreat by said feed protrusions; andelastic means for always elastically biasing said operation knob and said feed member toward the rear end of said casing body.