Embroidery stitching device and sewing machine having a free arm
AssigneeJanome Sewing Machine Co., Ltd.
InventorsYasuro Sano, Koshiro Omiya, Eiji Murakami
Life of this patent
Estimating the term…
Abstract
A sewing machine having a free arm which is provided with free arm sensors 5 and 6 for detecting a contact between the free arm and a cylindrical work during embroidery stitching operation, the cylindrical work being held by an embroidering frame 23 and placed on the free arm as covering the same so as to be embroidered thereon. The contact as detected is indicated to the machine user or the sewing machine is stopped. Further, the contact detection may be used to seek an area where the work may be allowed to be embroidered. The area as sought is discriminated prior to initiation of stitching operation if the work may be embroidered in the area.
Claims16
An embroidery stitching device having a free arm having a front side and a back side, comprising, means for holding a work to be embroidered and for moving said work, means for detecting a contact or access between said work and said free arm provided on said free arm at said front side and said back side thereof.
An embroidery stitching sewing machine having a free arm having a front side and a back side, comprising, means for holding a work to be embroidered and for moving said work, means for detecting a contact or access between said work and said free arm provided on said free arm at said front side and said back side thereof.
Dependencies are inferred from the claim text.