Snap on zipper foot

Claim 1

A laterally shiftable presser foot for a sewing machine having a sewing needle, a feeding mechanism for feeding work fabric in a longitudinal direction and a presser bar with a presser foot shank attachable thereto, comprising: a sole plate having a top surface and a bottom work fabric contacting surface joined by longitudinal and lateral sides and having two needle apertures one on each longitudinal side hereof; a bracket formed with a base section and two upright ears one on each side of said base section, said base section being attached to said top surface of said sole plate with said upright ears arranged substantially parallel with said longitudinal sides of said sole plate; a pivot pin extending between and affixed to said two upright ears and parallel to a line joining the centers of said sole plate needle apertures; and a spacer block embracing and slidable on said pivot pin between said two upright ears and having sides substantially parallel to said two upright ears, said block being of a width between said sides substantially equal to the lateral dimension between the centers of said sole plate needle apertures, said upright bracket ears being spaced apart a distance equal to the combined widths of said block and said presser foot shank, whereby said spacer block may be shifted on said pivot pin to allow insertion of said presser foot shank on either side thereof thereby to bring said needle apertures selectively into alignment with said needle of said sewing machine on a elected longitudinal side of said sole plate.