Sewing – Elements – Starting or stopping
Reexamination Certificate
2006-07-04
2006-07-04
Worrell, Danny (Department: 3765)
Sewing
Elements
Starting or stopping
C112S470010
Reexamination Certificate
active
07069870
ABSTRACT:
Disclosed is the invention in connection with an electric sewing machine comprising a machine body1and a controller2, wherein the controller2is responsive to a first press to produce a signal for starting the machine body1and is responsive to further press to produce a signal for driving the machine body1at a stitching speed (drive speed) in accordance with the pressing amount. The machine body1is provided with a control device11which is connected to a changing device30which is operated to change the control content of the control device11. The changing device30may be operated to switch the control device11between being operative and being inoperative. In case the control device11is switched to being inoperative, the control device11neglects the instruction signal from the controller2, for example, produces a stop signal to a motor drive device12in response to a machine drive signal from the controller2, thereby to maintain the machine motor as stopped. Therefore, if the changing device30is selectively operated beforehand to switch the controller11to being inoperative, the machine body1will not driven in response to the instruction signal from the controller11which may be wrong operated. Thus the safety may be secured.
REFERENCES:
patent: 5247449 (1993-09-01), Yoshida
Ishikawa Satoru
Orii Akira
Janome Sewing Machine Co. Ltd.
Nields & Lemack
Worrell Danny
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