Weft cutting device for looms
AssigneeNissan Motor Co., Ltd.
InventorsShigenori Tanaka, Akio Tojo, Akio Shindo, Kimimasa Ohnishi
Life of this patent
Estimating the term…
Abstract
A pair of normally open scissor blades, one fixed the other movable, is mounted on the face of a reed. A pressure applying member closes the blades, via a cam mechanism, at a predetermined position of the reed to sever a weft yarn.
Claims9
Weft cutting device for a loom having a crank shaft and a reed, comprising a scissor type cutter assembly including a fixed blade mounted on a front face of the reed and a movable blade having an upper end pivotally mounted on the reed in pressure contact with the side face of said fixed blade said movable blade being preloaded by a spring to an open position, thread guide means for guiding a weft thread to a space between the fixed blade and the movable blade in said open position, and pressure applying means in front of the movable blade and movable in relation with the movement of the reed for applying a pressure to said movable blade to urge same to a closed position in which the weft thread is cut off.
Weft cutting device for a loom having a crank shaft and a reed, comprising in combinaton a scissor type cutter assembly including a fixed blade mounted on a front face of the reed and a movable blade having an upper end pivotally mounted on the reed in pressure contact with the side face of said fixed blade, said movable blade being preloaded by a spring to an open position, weft thread guide means for guiding a weft thread to a space between the fixed blade and the movable blade in said open position, means for protecting the weft thread from contacting the edge of said fixed blade, and pressure applying means in front of the movable blade and movable in relaton to the movement of said reed for applying a pressure to said movable blade to urge same to a closed position in which the weft thread is cut off.
Dependencies are inferred from the claim text.