Dual-chain sewing machine Patent #: 4541353
ApplicationNo. 06/842974 filed on 03/24/1986
US Classes:112/470.16, For folding the work112/153, Edge112/306Having means to align work
ExaminersPrimary: Hunter, H. Hampton
Attorney, Agent or Firm
International ClassD05B 23/00 (20060101)
AbstractMethods and apparatus are disclosed for forming and securing by stitching articles with mitered corners such as bed sheets or the like in which the mitered corner is contorted into a substantially flat configuration capable of being secured by a straight line of stitching.