Sewing – Work manipulating – Guides
Patent
1976-06-15
1978-01-10
Hunter, H. Hampton
Sewing
Work manipulating
Guides
D05B 3510
Patent
active
040672719
ABSTRACT:
A guiding device for sewing machines which have means for feeding cloth of workpieces into association with a moving needle in a stitch forming area for effecting edge parallel seams, comprises a support table with a bottom plate supported on the table and having at least a portion spaced above the table and defining a cloth layer feed space and with a top plate overlying at least a portion of the bottom plate and spaced above it and defining a workpiece layer passageway therebetween. The top plate has a pressure point which may be urged toward a complementary point on the bottom plate at a location spaced from the stitch forming area. A plurality of pins supported on the bottom plate and extending upwardly through the top plate are arranged to extend laterally and in an acute angle to a line extending in the workpiece feed direction. A spring is arranged to bear downwardly on the top plate and adjustment means for varying the spacing between the top and bottom plate and the clamping effect of the top plate over the bottom plate is supported on the bottom plate and has means bearing on the spring which may be shifted in order to vary the effect of biasing force thereof and the spacing between the top and bottom plate.
REFERENCES:
patent: 117716 (1871-08-01), Alter
patent: 2329991 (1943-09-01), Kellum
patent: 2546135 (1951-03-01), Reid
patent: 3815530 (1974-06-01), Denton
patent: 3954071 (1976-05-01), Mall et al.
Angele Eugen
Willenbacher Erich
Hunter H. Hampton
Pfaff Industriemaschinen GmbH
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