US595A - X e elijah fairman - Google Patents
X e elijah fairman Download PDFInfo
- Publication number
- US595A US595A US595DA US595A US 595 A US595 A US 595A US 595D A US595D A US 595DA US 595 A US595 A US 595A
- Authority
- US
- United States
- Prior art keywords
- treadles
- harness
- cam
- loom
- fairman
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 241000282890 Sus Species 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
- D03C5/02—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices operated by rotating cams
Definitions
- the drawing is for a satinet loom, and has tw'o sets of treadles, siX in each, more or less may be used if required.
- the treadles lie horizontally, one set nea-r the bottom of the loom, and the other set near the top.
- Each vset of treadles is supported at their outer end by two short arms, orbars, projecting fro-1n one of the back corner posts of the loom; betweenwhich'the ends of the treadles are placed one upon another, and a pin or bolt passes through them and the supporting arms.
- the other ends of the treadles are supported by short thin pieces of iron or wood, fastened to short posts, or studs in the frame, projecting out horizontally, one
- Each treadle has an iron shoe fastened to its front edge, of a triangular form, on which the cam acts to give the treadle motion.
- To the end of each of the upper treadles are attached tw'o cords, one of which passes over one pulley, and the other over another pulley, sus pended between two harness rails at the top of the loom, and passing down, are fastened to the harness, one near each end.
- To the end of each of the under treadles is attached one cord, which passes under a pulley in the lower part of the loom, and coming up is fastened to the under side of the same harness, in the center.
- the cams by which the treadles are moved are placed near the top and bottom ofan upright shaft so as to match with the shoes of the treadles; and are so arranged as that when an upper camv strikes the shoe of ⁇ one of the treadles so afsf'to raise a harness,y the corresponding treadle in the low'era-setat? tached to the same harness, gives way to the motion, by its shoe being drawn into its appropriate space, in the'cylinder cam;V and when the upper cam has passed the shoe of the treadle, the treadle is drawn back to its place' again, by the shoe of the'under treadle being thrown out of its space, and pullingupon the harness cord.
- cams such as already described, are J placed horizontally between twobars or arms attached to the frame of the loom at one end, and at the other vsupported by a post or posts standing upon the floor.
- TheV lower ends of the treadles have a shoe on each side,
- the cams are carried by a bevel gear and pinion similar to those by which the horizontal treadlesare moved; the pinion being placed upon the end of the sha-ft of the picker cam.
- the bottoms of the treadles are thrown alternately one way and the other, giving the same motion to thertops of the treadles, but in a contrary direction, operating uponthe harnesses in the same manner as 'before described.
- one of the cams may be placed near the to-p of the treadles and on the same side as the one at bottom, and the shoes for each on one and the same side.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
, UNITED STATES @FFICE ELIJAH FAIRMAN, OF'STAFFORD, CONNECTICUT.
rowEBfLooM.
Specification of Letters Patent No. 5915, dated February 6, 1838. t
To all whom it may concern:
Be it known that I, ELIJAH FAIRMAN, of Stafford, in the county of Tolland and Sta-te of Connecticut, have invented a new and useful Improvement in Power-Looms, by which the harnesses are made to o-perate more correctly and the warp to open more freely and the loom better suited to the weaving of either light o-r heavy fabrics.
As the loom, excepting the improvements, is the same as others in common use, it may not be necessary to describe particularly all its parts; reference to the drawing may sulice.
My improvement co-nsists in the addition of another cam and another set of treadles.
The drawing is for a satinet loom, and has tw'o sets of treadles, siX in each, more or less may be used if required. The treadles lie horizontally, one set nea-r the bottom of the loom, and the other set near the top. Each vset of treadles is supported at their outer end by two short arms, orbars, projecting fro-1n one of the back corner posts of the loom; betweenwhich'the ends of the treadles are placed one upon another, and a pin or bolt passes through them and the supporting arms. The other ends of the treadles are supported by short thin pieces of iron or wood, fastened to short posts, or studs in the frame, projecting out horizontally, one
underneath each treadle, forming rests'and slides for the treadles to play upon. Each treadle has an iron shoe fastened to its front edge, of a triangular form, on which the cam acts to give the treadle motion. To the end of each of the upper treadles are attached tw'o cords, one of which passes over one pulley, and the other over another pulley, sus pended between two harness rails at the top of the loom, and passing down, are fastened to the harness, one near each end. To the end of each of the under treadles, is attached one cord, which passes under a pulley in the lower part of the loom, and coming up is fastened to the under side of the same harness, in the center. These cords hold the harness firm that it cannot move up or down till moved by the treadle; and when one part of the harness is raised, the other parts are held down, so that the warp opens to let the shuttle pass freely.
The cams by which the treadles are moved, are placed near the top and bottom ofan upright shaft so as to match with the shoes of the treadles; and are so arranged as that when an upper camv strikes the shoe of `one of the treadles so afsf'to raise a harness,y the corresponding treadle in the low'era-setat? tached to the same harness, gives way to the motion, by its shoe being drawn into its appropriate space, in the'cylinder cam;V and when the upper cam has passed the shoe of the treadle, the treadle is drawn back to its place' again, by the shoe of the'under treadle being thrown out of its space, and pullingupon the harness cord. By these alternate movements of the treadles, by theaid of an additional cam, t-he action is made free and easy, and the harnesses kept closely coniined to their places, and made to open wider and more clear, that the shuttle may pass withoutdanger of over-shots. rIhe cam shaft is turned by means of a bevel gear on the bottom' ofv 'attached to the loom to support lthe treadles.
The cams such as already described, are J placed horizontally between twobars or arms attached to the frame of the loom at one end, and at the other vsupported by a post or posts standing upon the floor. TheV lower ends of the treadles have a shoe on each side,
exactly opposite, and stand directly beneath the cams. The cams are carried by a bevel gear and pinion similar to those by which the horizontal treadlesare moved; the pinion being placed upon the end of the sha-ft of the picker cam. Two match wheels, one on the end of each cam sha-ft, regulate the motion of the cams to turn equally alike. By the action of the cams on each side of the treadles the bottoms of the treadles are thrown alternately one way and the other, giving the same motion to thertops of the treadles, but in a contrary direction, operating uponthe harnesses in the same manner as 'before described. Or one of the cams may be placed near the to-p of the treadles and on the same side as the one at bottom, and the shoes for each on one and the same side.
I do not claim as my invention,the power loom, nor any several part thereof 5v but I .do cla-imi 1,'The improvement of the application of an additional cam and a set of treadles; Vone cam operating upon the harness in the usual manner, by moving it in one direction, my improvement by adding another cam and set of treadles, is for moving it in the other direction, and for conning the harness, by cords from the treadles attached to both upper and under side of the harness instead I oliy the upper side only, as is the usual method.
2. 'Ialso claim as my improvement thel .plioation of the additional cam to the 1 upright double treadle, as above desoril and also the additional cords extending the bottom or lower ends of said long t1 dles to the under side of each harness.
ELIJAHl FAIRMAN.
Witnesses Y WM. FIELD, RoDoLPHUs WooDWoRTH.
Publications (1)
Publication Number | Publication Date |
---|---|
US595A true US595A (en) | 1838-02-06 |
Family
ID=2060877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US595D Expired - Lifetime US595A (en) | X e elijah fairman |
Country Status (1)
Country | Link |
---|---|
US (1) | US595A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174739A (en) * | 1978-02-21 | 1979-11-20 | Fenner America Ltd. | Tubular fabric |
EP3812414A1 (en) | 2004-03-09 | 2021-04-28 | Grupo Petrotemex, S.A. De C.V. | High iv melt phase polyester polymer catalyzed with antimony containing compounds |
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0
- US US595D patent/US595A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174739A (en) * | 1978-02-21 | 1979-11-20 | Fenner America Ltd. | Tubular fabric |
EP3812414A1 (en) | 2004-03-09 | 2021-04-28 | Grupo Petrotemex, S.A. De C.V. | High iv melt phase polyester polymer catalyzed with antimony containing compounds |
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