DE1876340U - THICK PLATE FOR SEWING MACHINES, IN PARTICULAR FOR SEWING ZIPPERS. - Google Patents

Description

poTenran
LEO SCMMETZ PJ. 337

Rheinische Nadelfabriken G-.m.b.H., Aachen

Utility model registration

Throat plate for mowing machines, especially for sewing in zippers

The usage pattern concerns a needle plate for sewing machines, especially for sewing in zippers.

A good function, a good fit and a clean uniform The appearance of a zipper depends on the correct sewing of the zipper.

This is achieved according to the utility model in that the throat plate is one in the Yorschubrichtung of the Y / piece Has extending longitudinal grooves of such width and depth that it is suitable for the slide fastener chain made of metal or take up and guide plastic with an overlap if necessary.

This will cause the usual displacement of the zip chain possibly also formed with an overlap of the zipper through the presser foot of the Sewing machine prevented.

Through the guide groove, the zipper is against the side Dodging out of the direction of advance fixed. The Haherin only needs the upper layer of parcels where the

Zipper is attached to guide while the zipper runs smoothly without distortion, without undersize and bust, so that you can have a zipper arrangement with the Above mentioned properties are obtained without the need for sewing a specially trained force is required.

Another advantage of using the throat plate according to the invention is that the lock is closed can be sewn and with normal piping of the garment an adjustment of the zipper slider is superfluous.

A two-row feed dog is suitable for the new throat plate preferably. In the meantime, no row of teeth of the conveyor may lie within the groove, as this increases the number of teeth Transport distance, which would cause the zipper to ripple, would occur.

The commonly used zipper foot can be used as the presser foot. What matters is that the front right edge of the foot serves as a guide. An adjustable presser foot, with which you can compensate, is very cheap for the respective thickness of the outer fabric.

Other sewing work can also be carried out with sewing machines with this needle plate according to the utility model.

Through the use of the new throat plate and the effects and advantages achieved through it, in particular correctness, Simplification and facilitation of the work, as set out above, is a much more rational sewing of Zippers than achieved by the usual working method.

In the drawing, a throat plate according to the utility model is shown in one embodiment;

Show it:

Fig. 1 is a top view of the throat plate

Fig. 2 shows a cross section along line A-B of Fig. 1

In the figures, a denotes the throat plate, b the guide groove, c are the passage openings for the conveyor and d openings for the fastening screws.

Claims (1)

RA.337140 * 22.5. Claim to protection Throat plate for sewing machines, in particular for sewing in zip fasteners, characterized in that that the throat plate has a longitudinal groove (b) running in the feed direction of the workpiece and of such width and width Has depth that it is suitable, the slide fastener chain made of metal or plastic optionally also with an overlap take in and lead. Aachen, May 21, 1963 For: Rheinische Badelfabriken G. m. B. H. The patent attorneys By: (Leo Schmetz)