The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2000
Filed:
Mar. 24, 1999
Masaki Shimizu, Toyoake, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A multi-head embroidery machine includes a plurality of embroidery machines each of which includes thread cutting means, sewing means, thread breakage detecting means, needle bar jumping means and a cloth holder frame, a sewing motor for driving the sewing means of the embroidery machines in common, a frame holder for holding the cloth holder frames of the embroidery machines in common, cloth feeding means for moving the frame holder, stop control means for stopping the sewing motor to interrupt a sewing operation of the sewing means, step-back control means for stepping back via the cloth feeding means the frame holder to an actual or estimated position of occurrence of a thread breakage, re-sewing control means for executing a re-sewing operation approximately to a sewing interruption position in the embroidery machine in which thread breakage has occurred, while the cloth feeding means is being operated, thread-cutting command means for commanding to cut at least one of a needle thread and a bobbin thread on the basis of an amount of step-back of the frame holder by the step-back control means, and re-start control means for re-starting sewing from the sewing interruption position with respect to all the embroidery machines.