US2682095A

US2682095A - Thread selector for selecting and separating leased warp threads

Info

Publication number: US2682095A
Application number: US324361A
Authority: US
Inventors: Georg J Boreysza
Original assignee: Individual
Current assignee: Individual
Priority date: 1952-12-05
Filing date: 1952-12-05
Publication date: 1954-06-29
Anticipated expiration: 1971-06-29

Description

June 29, 1954 THREAD SELEC Patented June 29, 1954 UNITED STATES PATENT OFFICE THREAD SELECTORFOR SELECTING AND SEPARATING LEASED WARP THREADS 4 Claims. 1

My invention relates to a device for selecting and separating one by one warp threads, here called a selector, used in various machines assisting the weaving process, e. g. in warp tying machines.

The objects of my invention are to provide a selector arranged to select threads from leased warps by a continuously rotating movement of the working elements and to separate the selected threads far away from the others by the same movement, to work simultaneously in two warps and at the same time to attain greater speed.

The objects of the invention may be realized by the means or process described in detail in the following specification.

One embodiment of the invention is illustrated by the drawing which shows a selector for a warp tying machine, where:

Figure 1 is a front view,

Figure 2 is a plan view,

Figure 3 is a side view in perspective,

In the arrangement shown in the drawing the upper warp, as well as the lower warp, are held in leased condition by means of the lease rods I I, 12 and [3, It respectively. The selector 1 is rotatably mounted on the axis 2, which is seated in the tying machine (not shown) and is driven by the same. The selector l constitutes a wheelformed disk, and is placed between the lease rods in a position substantially perpendicular to a plane defined by two adjoining, crossing each other threads, and is adapted to work with its periphery on the threads in the thread crossings, and is provided with two thread leading slits t and 4 as seen in Figure 3, leading spirall from the periphery towards the center of the disk. Both slits have at the periphery cleft-formed oblique openings 5 and t, which alternately yary as to the direction of the obliquity and alternately coincide with both directions of the threads in the thread crossings.

The selector l rotates with a constant slight pressure against the crossing points of the thread groups l, 8 and 9, l respectively, so that the warp threads are pressed together and kept in tension, as represented in Figures 2 and 3. During the rotation of the selector I both elefts pass the thread crossings and they are arranged in such a way that at the moments of passing the cleft of the slit 3 is parallel to the threads 8 and Ill, the cleft 6 of the other slit 4 is parallel to the threads l and 9. In the moment when the cleft 5 in Figure 1 arrives at and is passing the threads 8, the pressure of the selector against these threads ceases, whereby the foremost thread of the thread group 8 because of its tension tends to spring back in the position it had before the pressure or" the selector, getting thereby into the cleft 5. The other threads of the same group 8 are hindered from following by the threads in the other group "i, which are held back by the borders of the cleft 5. During the continuing rotation of the selector I the said foremost thread of the group 8 is separated from the others by means of the spiral slit 3 annexed to the cleft 5.

The same selecting and separating process is repeated every time a cleft passes a thread crossing, whereb the cleft 5 selects threads from the groups 8 and iii, and the cleft 6 threads from the groups I and 9.

The invention is not limited to the specific con struetion of the selector herein described. The axis need not be parallel to the Warp threads as shown in the drawing and the disk need not be wheel-formed. The selector may have more than two clefts and the may be equally disposed around the periphery of the disk.

What I claim is:

1. A thread selector for selecting and separating threads from warps, in which the threads are led between two lease rods in two alternately varying directions, each thread crossing the ad joining ones, comprising a rotatably mounted disk placed between the lease rods in a position substantially perpendicular to a plane defined by two adjoining, crossing each other threads, and adapted to work with its periphery on the threads in the thread crossings, said disk being provided at its periphery with at least two cleft-formed, alternately varying as to direction, oblique openings, said openings alternately coinciding with both directions of theothreads in the thread crossings.

2. A thread selector as claimed in claim 1, wherein the disk is provided with thread leadin slits, annexed to the cleft-formed openings, the said slits being adapted to separate the selected thread from the others.

3. A thread selector as claimed in claim 1, comprising a disk axis parallel to the warp threads.

4. A thread selector as claimed in claim 1, wherein the cleft-formed openings are equally disposed around the periphery of the disk.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,081,423 Bingham Dec. 16, 1913 2,413,881 Meier Jan. '7, 1947