Sewing – Special machines – Embroidering
Patent
1996-11-04
1999-01-19
Izaguirre, Ismael
Sewing
Special machines
Embroidering
D05C 1510
Patent
active
058603735
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The innovation relates to a module for tufting tools, especially needles, in which the tufting tools are cast at one end in a plate-shaped base, the length of which is a multiple of the center distance of the cast-in tufting tools, which has one front and one rear locating face, the front locating face being fitted with a protruding locating strip at its edge (which runs in a longitudinal direction out of the base in the area of the tufting tools outlet), and which has a continuous opening between the front and the rear locating face.
Such a module for a tufting machine is known in the art from EP 0 446 215. In this known module the base has a locating strip on its front side which when fitted rests against a needle bar or a part of it, enabling precise alignment of the module relative to the needle bar. This needle module can thus only be fixed in one orientation to the needle bar. The tufting tools contained in such a module can accordingly also only be used in one rotational position to the bar. Thus if it is necessary to use the tufting tools in another rotational position relative to the bar shifted through 180.degree., then it is necessary to use modules in which the rotational position of the needles is altered accordingly. Two types of modules then have to be kept available in which the rotational positions of the tufting tools are 180.degree. opposed to each other. This requires various modules to be kept available, and is consequently costly.
Each base is then provided with an opening in the form of a continuous hole through which a bolt can be passed to fix the module to the bar or suchlike. The use of such a module and its removal requires that the bolt is first completely removed from the hole for this purpose.
SUMMARY OF THE INVENTION
The task to which this innovation relates is in particular to create a module which is of simple construction and can be easily and quickly installed and removed.
This task is performed in the innovation disclosed in a module of the type mentioned above by the opening being formed by at least one section running from the top edge of the base.
The result of this is that it is no longer necessary to completely remove bolts from openings in the modules to install and remove such a module. It is sufficient to slightly slacken such bolts. The modules can then be removed from their installation position or be replaced in their installation position. The number of openings is freely selectable depending upon the particular circumstances.
The module in the innovation disclosed can be so designed that the section has the shape of a slot open at one end.
The module in the innovation disclosed can also be so designed that the section is continuously open to one side edge of the base. A section open to the side edge is expediently provided on both side edges of the base. These sections can accommodate a screw for fixing the module. The sections can be in the form of a slot when two adjacent modules act together, through which a screw can be inserted in order to fix two modules each in the area of a side edge in this way. Each module is expediently retained in the same way at both side edges.
The module in the innovation disclosed can also be so designed that it has at least two rows of tufting tools arranged in parallel, with the tools in one row offset to those in the neighboring row. In this way finer divisions can be achieved in the tufting process.
The module in the innovation disclosed can also be so designed that the tufting tools of the various rows are arranged in one common one-piece base.
The module in the innovation disclosed can also be so designed that the tufting tools are arranged in segments which are separably linked together forming a base.
Finally the module in the innovation disclosed can be so designed that the base also has a locating strip at its rear locating face. This configuration can enable the tufting tools cast in the module to be used in either of two positions opposed at 180.degree. to each other. In this way t
REFERENCES:
patent: 4170949 (1979-10-01), Lund
patent: 4483261 (1984-11-01), Green et al.
patent: 5158028 (1992-10-01), Beyer
patent: 5396852 (1995-03-01), Bardsley
Beyer Walter
Jungbecker Christian
Schroder Karl-Heinz
Izaguirre Ismael
Jos. Zimmermann GmbH & Co. KG
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