US82220A - Improvement in beake foe yakn-beam of looms - Google Patents
Improvement in beake foe yakn-beam of looms Download PDFInfo
- Publication number
- US82220A US82220A US82220DA US82220A US 82220 A US82220 A US 82220A US 82220D A US82220D A US 82220DA US 82220 A US82220 A US 82220A
- Authority
- US
- United States
- Prior art keywords
- improvement
- looms
- lever
- yakn
- beake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000003414 Extremities Anatomy 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000023298 conjugation with cellular fusion Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000021037 unidirectional conjugation Effects 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/06—Warp let-off mechanisms
- D03D49/08—Warp beam brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
Definitions
- Our invention relates to an arrangement of mechanism for producing and regulating any amount of tension upon the warps without the employment of weights, and also for facilitating the operation of effecting such tension; and the improvement consists in encircling or embracing about two-thirds ofthe circumferences ofthe ends of the warp-beam with steel blades, chains, or other equivalents.
- the lower ends of these blades on each side of the loom are rmly riveted, or otherwise secured to a stiti' blade or coiled spring, fixed to the lower portion ofthe loom-frame. ⁇
- Their opposite ends, after passing over the ends ofthe beam, are coupled with rods that connect them with a bar of metal running parallel with the beam, from side to side of the loom.
- Figure 2 a side elevation of part of the loom.
- Figure 3 a sectional elevation, on the line 1-2, iig. 1;
- Figure 4 a plan View of part of the loom.
- a and A are the side frames of an ordinary loom, and ct is a lever which works on a stud, o, secured on the back rail e of the loom.
- a slot is provided, so as to allow a rod, z', secured to a bracket, to pass through and work freely, on which rod a spiral steelspring, d, is placed.
- the rod is screwed and provided with a hand-wheel, c, which, when screwed or unscrewed, exerts agreater or les ⁇ s pressure upon the lever a.
- Achain,f passes round each end of the warp-roller, is secured at one end to a spiral spring, Z, attached to the crosspiece e, and is connected at the other end to one end cfa bar, m.
- the connecting-rod g is suspended by ahook, which, after passing through a hole in the lever a, carries the two inclined-surfaced disks z' and f, the upper one of which is retained in its position with the lever a, by lugs or projections therefrom.
- the lower disk t is provided witha handle, as shown in the figure. The hand-wheel.
- the connecting-rod g is for the rough adjustlnentof the tension on the yarn, and should be screwed up when the handle of the disk 7c is at right angles to the line of the lever a.
- the handle should be turned into a parallel position with the lever, when it will be locked bythe notches inthe inclined disk.
- the disk c is turned at right angles, as above stated, which is easily done by the weaver without interference with the First and permanent tension obtained. 4
- Theprincipal point to be observed in adjusting the tension-mechanism is, first, to see that all parts are firmly attached, and secondly, that the lever a is in a horizontal position when the proper tension has been given forthe loom to work.
- the rough adjustment must in all cases be given by the hand-wheel. on the connecting-rod g.
- a great additional power can be obtained by shifting the stud o to the, notch on the lever nearest the connecting-rod,
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Looms (AREA)
Description
@with tats gamut @frn Letters Patent No. 82,220, dated September 15, 1868.
IMPROVEMENT I N BRAKE FOR YARN-BEAM 0F LOOMS.
@the .Stiga-ale numb tu in tigen tttttts ttntt inw mating @att uf ttt tame.
TO ALL WHOM IT MAY CONCERN:
Be it known that we, JOSEPH JOHN HARRISON and Eownnn HARRISON, ot' Broughton, Lancaster county, England, have invented an Improvement in'Looms'; and we do hereby declare the following to be a full, clear, and exact description oi' the same.
Our invention relates to an arrangement of mechanism for producing and regulating any amount of tension upon the warps without the employment of weights, and also for facilitating the operation of effecting such tension; and the improvement consists in encircling or embracing about two-thirds ofthe circumferences ofthe ends of the warp-beam with steel blades, chains, or other equivalents. The lower ends of these blades on each side of the loom are rmly riveted, or otherwise secured to a stiti' blade or coiled spring, fixed to the lower portion ofthe loom-frame.` Their opposite ends, after passing over the ends ofthe beam, are coupled with rods that connect them with a bar of metal running parallel with the beam, from side to side of the loom. The centre of this bar, midway betweenits extremities, is attached to a lever, the fulcrum of which is supported by abracket secured to the back rail of the loom, a little beyond where the lever is connected with the aforesaid parallel bar. The opposite extremity of this lever, at the side of the loom, is acted upon by a strong helical or othershaped spring, which can bc caused to increase or diminish its tension by means of a screw and wheel.
In order to enable others skilled in the art to make and use our invention, we will now proceed to describe its construction andoperation, reference being had to the accompanying drawing, which forms a part of this specification, and in whicht Figure 1 is an end elevation of an. ordinary loom with our improvement.
Figure 2, a side elevation of part of the loom.
Figure 3, a sectional elevation, on the line 1-2, iig. 1; and
Figure 4, a plan View of part of the loom.
A and A are the side frames of an ordinary loom, and ct is a lever which works on a stud, o, secured on the back rail e of the loom. At the end of the lever (marked b) a slot is provided, so as to allow a rod, z', secured to a bracket, to pass through and work freely, on which rod a spiral steelspring, d, is placed. The rod is screwed and provided with a hand-wheel, c, which, when screwed or unscrewed, exerts agreater or les`s pressure upon the lever a. l Achain,f, passes round each end of the warp-roller, is secured at one end to a spiral spring, Z, attached to the crosspiece e, and is connected at the other end to one end cfa bar, m. From the cross-beam m the connecting-rod g is suspended by ahook, which, after passing through a hole in the lever a, carries the two inclined-surfaced disks z' and f, the upper one of which is retained in its position with the lever a, by lugs or projections therefrom. The lower disk t is provided witha handle, as shown in the figure. The hand-wheel. on the connecting-rod g is for the rough adjustlnentof the tension on the yarn, and should be screwed up when the handle of the disk 7c is at right angles to the line of the lever a. When the proper amount of tension is obtained, the handle should be turned into a parallel position with the lever, when it will be locked bythe notches inthe inclined disk. When it is necessary to sla'cken the yarn, the disk c is turned at right angles, as above stated, which is easily done by the weaver without interference with the First and permanent tension obtained. 4
Theprincipal point to be observed in adjusting the tension-mechanism, is, first, to see that all parts are firmly attached, and secondly, that the lever a is in a horizontal position when the proper tension has been given forthe loom to work. The rough adjustment must in all cases be given by the hand-wheel. on the connecting-rod g. When desirable, a great additional power can be obtained by shifting the stud o to the, notch on the lever nearest the connecting-rod,
It will be seen that flexible bands may be substituted for the chainsf. We claim as our invention, and desire to secure by Letters Patentl. The chains or bandsf, bearing On the ends of the warp-roller, and secured to a bar, 711, in combination with the within-described deyices, or their equivalents, for adjustng-the bar, and securing it after adjustment,
for the pupose specified.
2. The combination of the above and the springs Z, connected to the bends or chainsf, for'the purpose described.
In testimony whereof, we have signed our naines to this specification, in the presence of two subscribing witnesses.
JOSEPH JOHN HARRISON,
EDWARD HARRISON.
Witnesses:
SAML SHELLEY, Ardwz'ck. WM. SWAN, A'rdwz'clf.
Publications (1)
Publication Number | Publication Date |
---|---|
US82220A true US82220A (en) | 1868-09-15 |
Family
ID=2151713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US82220D Expired - Lifetime US82220A (en) | Improvement in beake foe yakn-beam of looms |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040134502A1 (en) * | 2002-03-22 | 2004-07-15 | Shuichi Mizuno | Method for in situ repair of injured, damaged, diseased or aged articular cartilage |
US20040191900A1 (en) * | 2002-03-22 | 2004-09-30 | Shuichi Mizuno | Method for growth and de novo formation of a superficial cartilage layer in situ and for repair of damaged cartilage using neo-cartilage constructs |
US20050100536A1 (en) * | 2002-04-13 | 2005-05-12 | Allan Mishra | Compositions and minimally invasive methods for treating incomplete tissue repair |
-
0
- US US82220D patent/US82220A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040134502A1 (en) * | 2002-03-22 | 2004-07-15 | Shuichi Mizuno | Method for in situ repair of injured, damaged, diseased or aged articular cartilage |
US20040191900A1 (en) * | 2002-03-22 | 2004-09-30 | Shuichi Mizuno | Method for growth and de novo formation of a superficial cartilage layer in situ and for repair of damaged cartilage using neo-cartilage constructs |
US20050100536A1 (en) * | 2002-04-13 | 2005-05-12 | Allan Mishra | Compositions and minimally invasive methods for treating incomplete tissue repair |
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