Binding device for fastening the openings of bags or the like

Claim 1

A binding device for twist-tying a bag opening with a wire-like binding cord, said device comprising: a pair of spaced vertical sidewalls, said sidewalls having first L-shaped guide slots wide enough to receive said bag opening therein in the top sides thereof, the lower ends of said slots extending obliquely from the vertical portion of said L-shape, binding cord supply means between said vertical walls for supplying binding cord to close said bag opening; binding cord delivery means attached to the top side of said vertical walls between said walls and beside said first guide slots for delivering and cutting a predetermined length of binding cord from said binding cord supply means across said first guide slot; a slider adjacent said first guide slot between said vertical walls and movable in response to the movement of said bag in said first guide slot; binding cord twisting means on said slider and positioned adjacent said obliquely extending portion of said first guide slot for contacting and twisting said binding cord about said bag opening in said first guide slot during movement of said slider with said bag therein; and a rack and action cam means at the front portion of said slider and connected to said binding cord delivery means in conjunction with the movement of said slider to feed and cut a binding cord, whereby when the open end of said bag is inserted into said first guide slot and moved therealong, a length of binding cord is twisted therearound by said binding cord twisting means moved in cooperation with the movement of said slider.