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:
May. 26, 1998
Filed:
Feb. 12, 1996
Hisaaki Tsukahara, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A control apparatus for a sewing machine in which a microcomputer in the control unit of the sewing machine is provided with a sequence control function, and an on-signal for setting and removing a workpiece is incorporated into the sewing data, whereby no PC exclusively used for sequence control is required. A control apparatus of the invention includes an actuator for setting a workpiece on the sewing machine or removing it from the sewing machine, drive means for driving the actuator on and off, a storage element for storing on-data in the sewing data by which a workpiece is automatically sewn, the on-data serving as an on-signal to set the workpiece on the sewing machine or remove it from the sewing machine, detection means for generating a completion signal of the setting or removing of the workpiece, command means for generating an off-signal in the drive means in accordance with the detection of the completion signal by the detection means, start means for starting to set the workpiece on the sewing machine or remove it from the sewing machine by operating the actuator when the drive means is turned on in accordance with the on-signal, and stop means for stopping motion of the actuator by turning off the drive means in accordance with the off-signal.