Linear motor weft presenting apparatus

Details Linear motor weft presenting apparatus Linear motor weft presenting apparatus

2000-01-14

2001-05-15

Falik, Andy (Department: 3741)

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

Reexamination Certificate

active

06230760

ABSTRACT:

The invention relates to an apparatus for the presenting of a weft thread for a rapier weaving machine having a linear motor (
1
) with a stator (
4
) which together with permanent magnets and a holder interacts with an armature (
5
,
31
) containing a winding (
22
) moving a thread server finger (
2
) and to an arrangement with an apparatus as well as to a weaving machine with an arrangement.
BACKGROUND OF THE INVENTION
An apparatus for the presenting of the weft thread for a rapier weaving machine is disclosed. The apparatus includes a linear motor (
1
) with a stator (
4
). The stator has two permanent magnets (
7
) and a holder (
6
) for the permanent magnets. An armature (
5
,
31
) interacts with the stator and contains a winding (
22
). The armature is journaled at the holder (
6
), and has a thread serving finger (
2
) for the weft thread. This thread serving finger is connected to the armature of the linear motor and moves to present the weft thread to a rapier. The apparatus for the presenting of the weft thread for the rapier weaving machine is designed as a modular assembly. Provision is made to hold a number of such linear motors in side by side relationship so that any individual linear motor may be selectively removed.
SUMMARY OF THE INVENTION
The object of the invention is to improve an apparatus for the presenting of a weft thread.
This object is satisfied in accordance with the invention by the characterising features of claim
1
.
Since the linear motor and the thread server finger are formed as a modular unit the manufacturing costs are reduced in an advantageous manner.
The arrangement has the advantage that the modular apparatus can be replaced simply.


REFERENCES:
patent: 4438791 (1984-03-01), Oesterle et al.
patent: 4998420 (1991-03-01), Scavino
patent: 5090457 (1992-02-01), Corain et al.
patent: 6006795 (1999-12-01), Corain et al.
patent: 0347626A2 (1989-12-01), None
patent: 0461524A1 (1991-12-01), None
patent: 0598264A1 (1994-05-01), None
patent: 0894883A2 (1999-02-01), None
Patent Abstracts of Japan, vol. 98, No. 2, Jan. 30, 1998 & JP 09 268453 A (Toyota Autom Loom Works Ltd), Oct. 14, 1997 Abstract.

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