Textiles: weaving – Miscellaneous – Loom cleaning
Reexamination Certificate
1999-12-30
2001-07-24
Falik, Andy (Department: 3741)
Textiles: weaving
Miscellaneous
Loom cleaning
C024S567000, C024S523000, C024S13500K, C174S168000, C248S068100
Reexamination Certificate
active
06263922
ABSTRACT:
BACKGROUND OF THE INVENTION
This application claims priority of 198 60 741.5, filed in Germany on Dec. 30, 1998, the disclosure of which is expressly incorporated by reference herein.
The present invention relates to a clamping holder for flexible lines, particularly for current-carrying lines in mechanical weaving looms.
Clamping holders or clamps for flexible lines are generally known as seen in DE-PS 692 152 which relates to a line clamp with a clamp bottom part and a clamp top part. The line clamp is capable of clamping two parallel-extending lines. The clamping effect is achieved by a sleeve-type slotted extension existing on the clamp top part which engages in a recess of the clamp bottom part and can be fixedly clamped into the recess by way of a wedge-type nut which can be tightened by a screw. In addition to the manufacturing expenditures for the clamp top part, such a line clamp requires the devices (screw and wedge-type nut) which generate the clamping effect. The mounting and demounting of the line clamp also requires a comparatively large amount of time.
DE-GM 18 44 454 shows a clamp for holding rigid or bendable rod-shaped or tube-shaped parts on flat profiles or L-profiles. The clamping of the tube-shaped part also takes place by a screw acting upon a disk. This design has the same disadvantages as the line clamp of the above-mentioned configuration shown in DE-PS 692 152. In fact, the former has even more disadvantages because the clamp disk according to the DE-GM 18 44 454 is only capable of clamping a single tube-type part.
DE-GM 16 55 715 shows a wire clamp which consists of a base plate and a clamping saddle. For clamping several wires on the base plate, the clamping saddle is connected with the base plate under a moderate screw-down pressure. The object of this design does not do without the screwing-together of the clamping saddle and the base plate. This design therefore does not avoid a relatively time-consuming mounting of the clamping saddle.
In mechanical weaving looms, for example, it is required that, during an article change or for maintenance purposes, flexible lines are laid and, in the process, held such that they meet the special conditions on the mechanical weaving loom. During a change of the looming width (woven textile width), for example, the current-carrying lines of a movable weft stop guard must be caused to follow during its position change, and specifically such that the laying system of the lines is maintained. This following of the lines requires considerable expenditures for the detaching of the lines from their laying position and for the new fastening.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a clamping holder for flexible lines which, without any time-consuming mounting work, permits a following of lines to movable modular units of a machine, particularly to modular units of a mechanical weaving loom.
According to the invention, this object has been achieved by providing that an elastic, longitudinally extendible tension device, which is known per se, is pulled into the passages, which has a neck-type cross-sectional contraction and connects the line holder with the device in a ventable manner.
It is therefore, provided according to the present invention to configure a clamping holder for flexible lines in a ventable manner in that a movably mountable or stationary line holder is equipped with at least one device fixing a line in the manner of a groove or crease pointing in the laying direction of the line. A device clamps the corresponding line therein by way of an elastic and longitudinally extendible tension device, which is known per se and which has a neck-type cross-sectional contraction, is connected with the line holder.
The connection of the clamping device with the line holder takes place in that the line holder and the clamping device has at least one mutually aligned passage each. In these passages the longitudinally extendible tension device is pulled such that the line holder and the at least one device clamping a line are mutually elastically braced.
It is advantageous that not only the connecting of the clamping device with the line holder takes place in a fast and simple manner such that the elastic tension device is pulled into the passage of the clamping device and into the passage of the line holder but the demounting is also extremely simple because it is sufficient to cut the tension device in the gap between the line holder and the clamping device by means of a knfe. The known tension device used in the present invention is described in 35 19 685 C1.
It is another advantage that required changes in the laying of the line can be made without tools, without high manual expenditures of force and without having to demount and remount the line holder with the clamping device. Thus, for changes of the laying of the line, the clamping device must only be pulled manually off the line holder against the tension force of the tension device in order to change the line in its position and to then discontinue the tension movement.
REFERENCES:
patent: 25695 (1859-10-01), Warner
patent: 760922 (1904-05-01), Rodman
patent: 1049642 (1913-01-01), Baesel
patent: 2113852 (1938-04-01), Meade
patent: 2796228 (1957-06-01), Kelly
patent: 4043528 (1977-08-01), Benoit et al.
patent: 4616384 (1986-10-01), Lowell et al.
patent: 4699183 (1987-10-01), Menzel
patent: 5271588 (1993-12-01), Doyle
patent: 692 152 (1940-06-01), None
patent: 1 655 715 (1953-03-01), None
patent: 18 44 454 (1961-11-01), None
patent: 3 519 685 (1985-08-01), None
patent: 884124 (1961-12-01), None
Arndt Stephan
Kerner Horst
Schiller Peter
Crowell & Moring , L.L.P.
Falik Andy
Lindauer Dornier Gesselschaft mbH
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