EP0135074A2 - Stangenförmige Platine für eine Jacquardmaschine und damit ausgerüstete Maschine - Google Patents
Stangenförmige Platine für eine Jacquardmaschine und damit ausgerüstete Maschine Download PDFInfo
- Publication number
- EP0135074A2 EP0135074A2 EP84108929A EP84108929A EP0135074A2 EP 0135074 A2 EP0135074 A2 EP 0135074A2 EP 84108929 A EP84108929 A EP 84108929A EP 84108929 A EP84108929 A EP 84108929A EP 0135074 A2 EP0135074 A2 EP 0135074A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hook
- nibs
- hooks
- appendix
- single rod
- 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.)
- Granted
Links
- 238000009941 weaving Methods 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 description 4
- 210000003323 beak Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C3/00—Jacquards
- D03C3/24—Features common to jacquards of different types
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C3/00—Jacquards
- D03C3/06—Double-lift jacquards
- D03C3/08—Double-lift jacquards of open-shed type
Definitions
- This invention relates to open-shed, double-lift weave machines of the type comprising two grippers of opposing motion and a single rod hook.
- One of the most known versions uses a cylindrical rod hook with two nibs applied angularly offset by about 90° from each other and at different heights.
- This method requires particularly strong hook return members (usually springs), because besides returning the hook they must also cause it to rotate on becoming engaged by the gripper blades, and the greater load applied causes greater wear of all the hooks under movement.
- the two upper nibs applied at different heights require a hook which is longer in the part which projects from the needle guides, resulting in greater flexibility and sensitivity to vibration, thus making it more difficult for the hook to become engaged by the blades.
- Another version uses a hook with a rod of rectangular cross-section and nibs applied on two opposing sides.
- the hook is made to bend laterally, by the effect of the suitably increased hook return force.
- the object of the present invention is to provide a jacquard machine with a single rod hook of very compact form which is partly controlled positively in order to avoid the blades lying opposite those which engage it, so as to obviate the drawbacks of the previously known methods.
- a hook for a jacquard machine characterised in that the two upper nibs are in the form of the two teeth, with their facing surfaces inclined, of a single bifurcated projecting appendix in which they join together at the same height.
- the inclined surface of the teeth can be of variable inclination and/or of curved profile.
- said projecting appendix of which the two teeth form the upper nibs of the hook is disposed on said hook in a diametrically opposite positon to the lower nibs.
- the invention also relates to a jacquard weaving machine equipped with hooks of the aforesaid type in which said hooks are controlled with a composite movement of rotation and flexure.
- Figure 1 shows diagrammatically the essential members, of a jacquard machine which uses a hook according to the present invention.
- the reference numeral 1 indicates the punched tape carrying the hook movement programme corresponding to the pattern to be formed during weaving.
- This programme is read by needles 2 arranged to raise pushers 3. When the pushers are raised, they are pressed by blades 4, and in this case cause the main needles 5 to move axially against the action of springs 6.
- the reference numeral 9 indicates the fixed gripper of the base blades 10, on which the hooks 8 rest by way of the nib 11 when they are required to remain inactive.
- the reference numeral 12 indicates the fixed gripper of the open-shed blades 13, on which the hook rests the way of the nib 14 when it is required to remain at rest in its upper end-of-stroke position.
- the reference numeral 15 indicates the gripper of the lower mobile blades 16, which is driven with vertical reciprocating movement.
- the reference numeral 19 indicates the gripper of the upper mobile blades 20, which is also driven with vertical reciprocating movement as in the case of the lower gripper 15, but with its movement displaced in phase by 180° with respect to this latter.
- FIG. 2 shows a hook 8 according to the invention. It is constituted by a cylindrical rod with a flattened appendix at its base in which a hole 8 is provided for its connection to the loom healds.
- the hook 8 is provided on one and the same side, at a suitable distance apart and parallel to each other, with the two lower nibs 11 and 14 for its support on the base blades 9 and on the open-shed blades 12 respectively.
- a bifurcated projecting appendix 21 in the form of two teeth or beaks 22 and 23, which have their facing surfaces strongly inclined, preferably with a variable inclination and/or curved profile. These teeth consitute the upper nibs of the hook for engagement with the mobile blade nibs.
- the nibs (24, 26) of the plates 17A and 17B move freely during their vertical movements, remaining separated from the rod of the hook 8 by a space equal to about one half the distance by which the hook nibs 22, 23 project from said rod of the hook 8.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Paper (AREA)
- Sewing Machines And Sewing (AREA)
- Supports For Plants (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84108929T ATE30926T1 (de) | 1983-08-12 | 1984-07-27 | Stangenfoermige platine fuer eine jacquardmaschine und damit ausgeruestete maschine. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2254483 | 1983-08-12 | ||
IT22544/83A IT1201101B (it) | 1983-08-12 | 1983-08-12 | Arpino ad asta unica per macchine d'armatura jacquard con esso realizzata |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0135074A2 true EP0135074A2 (de) | 1985-03-27 |
EP0135074A3 EP0135074A3 (en) | 1985-05-02 |
EP0135074B1 EP0135074B1 (de) | 1987-11-19 |
Family
ID=11197654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84108929A Expired EP0135074B1 (de) | 1983-08-12 | 1984-07-27 | Stangenförmige Platine für eine Jacquardmaschine und damit ausgerüstete Maschine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0135074B1 (de) |
AT (1) | ATE30926T1 (de) |
DE (1) | DE3467593D1 (de) |
IT (1) | IT1201101B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0711856A2 (de) * | 1994-11-08 | 1996-05-15 | Bonas Machine Company Limited | Vorrichtung zur Litzensteuerung |
EP0808925A1 (de) * | 1996-05-04 | 1997-11-26 | Bonas Machine Company Limited | Vorrichtung zur Litzensteuerung |
CN1070551C (zh) * | 1996-05-08 | 2001-09-05 | 邦纳斯机械有限公司 | 综杆控制机构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2179655A1 (de) * | 1972-04-11 | 1973-11-23 | Verdol Sa | |
FR2272316A1 (en) * | 1974-05-21 | 1975-12-19 | Vimercati Ettore | Stop valve with pressure compensation - has cylindrical closure member movable axially into ring seal to close valve |
DE2533216B1 (de) * | 1975-07-25 | 1976-12-23 | Grosse Webereimaschinen Gmbh | Doppelhub-offenfach-jacquardmaschine |
DE2846793B1 (de) * | 1978-10-27 | 1980-04-17 | Zangs Ag Maschf | Doppelhub-Offenfach-Jacquardmaschine |
-
1983
- 1983-08-12 IT IT22544/83A patent/IT1201101B/it active
-
1984
- 1984-07-27 DE DE8484108929T patent/DE3467593D1/de not_active Expired
- 1984-07-27 EP EP84108929A patent/EP0135074B1/de not_active Expired
- 1984-07-27 AT AT84108929T patent/ATE30926T1/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2179655A1 (de) * | 1972-04-11 | 1973-11-23 | Verdol Sa | |
DE2316649B2 (de) * | 1972-04-11 | 1976-10-14 | Verdol S.A., Lyon, Rhone (Frankreich) | Doppelthebende jacquardmaschine |
FR2272316A1 (en) * | 1974-05-21 | 1975-12-19 | Vimercati Ettore | Stop valve with pressure compensation - has cylindrical closure member movable axially into ring seal to close valve |
DE2533216B1 (de) * | 1975-07-25 | 1976-12-23 | Grosse Webereimaschinen Gmbh | Doppelhub-offenfach-jacquardmaschine |
DE2846793B1 (de) * | 1978-10-27 | 1980-04-17 | Zangs Ag Maschf | Doppelhub-Offenfach-Jacquardmaschine |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0711856A2 (de) * | 1994-11-08 | 1996-05-15 | Bonas Machine Company Limited | Vorrichtung zur Litzensteuerung |
EP0711856A3 (de) * | 1994-11-08 | 1997-09-10 | Bonas Machine Co | Vorrichtung zur Litzensteuerung |
EP0808925A1 (de) * | 1996-05-04 | 1997-11-26 | Bonas Machine Company Limited | Vorrichtung zur Litzensteuerung |
CN1068643C (zh) * | 1996-05-04 | 2001-07-18 | 邦纳斯机械有限公司 | 综杆控制机构 |
CN1070551C (zh) * | 1996-05-08 | 2001-09-05 | 邦纳斯机械有限公司 | 综杆控制机构 |
Also Published As
Publication number | Publication date |
---|---|
DE3467593D1 (en) | 1987-12-23 |
EP0135074B1 (de) | 1987-11-19 |
EP0135074A3 (en) | 1985-05-02 |
IT1201101B (it) | 1989-01-27 |
IT8322544A0 (it) | 1983-08-12 |
ATE30926T1 (de) | 1987-12-15 |
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