D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
112/88
D05B 29/06 (2006.01) D05B 3/18 (2006.01)
Patent
CA 1073751
ABSTRACT OF THE DISCLOSURE A presser foot for a concealed slide fastener has a sole plate slidably supported on a stem, the sole plate having in its sole a pair of guide grooves extending along the length thereof. A first needle hole in the sole plate is located between the guide grooves and a second needle hole therein is located at one side of the sole plate. The sole is divided by the guide grooves into two portions, one of which is wider than the other, the second needle hole being provided in the wide sole portion. A throat plate of a sewing machine has a third needle hole and a pair of spaced slots one on each side of the third needle hole, the slots receiving a pair of feed dogs, respectively. The sole plate is slidable sideways relative to the stem across the feed dogs between a first position in which the first and third needle holes are in registry with each other with the feed dogs facing the sole portions, respectively, and a second position in which the second and third needle holes are in registry with each other with one of the feed dogs facing the wider sole portion.
293510
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