Thread winding housing for inserting into a housing receptacle of a gripper body, rotatable about a vertical axis, of a sewing machine
Patent Information
- Authority / Receiving Office
- CN Ā· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DURKOPP ADLER GMBH
- Publication Date
- 2009-03-25
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The invention relates to a bobbin case according to the preamble of claim 1 . Background technique
[0002] A bobbin case of this type is disclosed in DE 614 062 . Inserting the thread into this bobbin case is very complicated. Also, installing the bobbin case while inserting the hook is prone to errors, which can damage the effectiveness of the sewing machine.
[0003] Further embodiments of bobbin cases provided with sewing thread supply are disclosed in DE 25 40 994 A1, JP 01-281270 A and US 2 817 307 A. Contents of the invention
[0004] The object of the present invention is to develop a bobbin case (bobbin case) of the type mentioned at the outset to facilitate the insertion of a bobbin while ensuring good reliability and availability of the sewing machine.
[0005] This object is achieved according to the invention by a bobbin case having the features stated in the characterizing part of claim 1 .
[0006] Unlike the case cover-housing bod...