Sewing – Work manipulating – Guides
Patent
1981-02-17
1983-12-06
Nerbun, Peter P.
Sewing
Work manipulating
Guides
D05B 3508
Patent
active
044186290
ABSTRACT:
A device for making darts on cut parts for use with a sewing machine which has a reciprocating needle mounted over a support table for engagement with the material to be sewn and wherein the material to be sewn is moved along the table by a feeding mechanism, comprises, a pleating bar support plate which is mounted for movement around the needle and carries a pleating bar which is movable therewith for adjustable positioning in respect to the table. The support plate for the pleating bar may be adjustably positioned and the limit of its adjustment is governed by a stop which is adjustably positionable relative to the support plate. The stop advantageously comprises a rotatable multi-step stop which is carried on a lever arm so that it may be shifted relative to the support plate. The lever arm is advantageously biased in a direction so that the stop engages the support plate. The lever is connected with a drive device for effecting its adjustment. The associated mechanism may include one or more stop elements, each of which comprises rotatable stop deives with strike faces which may be adjustably positioned and selectively positioned relative to the support plate for the pleating bar.
REFERENCES:
patent: 417692 (1889-12-01), Weiss
patent: 4022138 (1977-05-01), Strickland
Mall Gunther
Stephan Willi
Nerbun Peter P.
Pfaff Industriemaschinen GmbH
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