US3225792A - Dobby, specially adapted for speedy looms - Google Patents

Dobby, specially adapted for speedy looms Download PDF

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Publication number
US3225792A
US3225792A US300302A US30030263A US3225792A US 3225792 A US3225792 A US 3225792A US 300302 A US300302 A US 300302A US 30030263 A US30030263 A US 30030263A US 3225792 A US3225792 A US 3225792A
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US
United States
Prior art keywords
dog
hook
pair
paths
lever
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
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US300302A
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English (en)
Inventor
Piazzolla Giovanni
Villa Carlo
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Individual
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Individual
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Publication date
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Publication of US3225792A publication Critical patent/US3225792A/en
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • D03C1/06—Double-lift dobbies, i.e. dobbies in which separate draw-knives or equivalent operate on alternate picks
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C2700/00—Shedding mechanisms
    • D03C2700/01—Shedding mechanisms using heald frames
    • D03C2700/0127—Program-controlled heald frame movement
    • D03C2700/0133—Program-controlled heald frame movement with mechanical transmission
    • D03C2700/0138—Program-controlled heald frame movement with mechanical transmission using hooks or lifters
    • D03C2700/0155—Double-lift mechanisms
    • D03C2700/0161—Double-lift mechanisms of negatively-driven type

Definitions

  • Still a further object of the invention is that the hooks are returned downwards into the position of engagement by appropriate springs for a substantial acceleration of their speed under the action of gravity toward the dogs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Transmission Devices (AREA)
US300302A 1962-12-15 1963-08-06 Dobby, specially adapted for speedy looms Expired - Lifetime US3225792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2467262 1962-12-15

Publications (1)

Publication Number Publication Date
US3225792A true US3225792A (en) 1965-12-28

Family

ID=11214332

Family Applications (1)

Application Number Title Priority Date Filing Date
US300302A Expired - Lifetime US3225792A (en) 1962-12-15 1963-08-06 Dobby, specially adapted for speedy looms

Country Status (3)

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US (1) US3225792A (it)
CH (1) CH402759A (it)
GB (1) GB1032014A (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349808A (en) * 1966-04-05 1967-10-31 Crompton & Knowles Corp Locking device
US3459236A (en) * 1967-01-30 1969-08-05 Staublic & Co Geb Dobby machines
US3464451A (en) * 1967-01-21 1969-09-02 Giovanni Piazzolla Loom dobby
US20060231274A1 (en) * 2005-04-13 2006-10-19 Bram Vanderjeugt Device for modulating a first rotational motion of an input shaft to a second, different from the first, rotational motion of an output shaft in textile machines

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689913A1 (fr) * 1992-04-14 1993-10-15 Staubli Trumpelt Gmbh Maschine Mécanisme pour la commande alternative des couteaux dans les ratières lourdes du type à pas fermé.
DE9307391U1 (de) * 1993-04-26 1993-09-30 Textilma Ag, Hergiswil Fachbildevorrichtung für eine Webmaschine
FR2717189B1 (fr) * 1994-03-10 1996-07-19 Staubli Verdol Mécanisme de commande de mouvement de va-et-vient des cadres de griffes d'une mécanique d'armure.
FR2720414B1 (fr) * 1994-05-05 1996-07-19 Staubli Verdol Mécanisme de commande du mouvement de va-et-vient des cadres de griffes à systèmes bielle-manivelle.

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR538616A (fr) * 1921-07-22 1922-06-13 Mécanique à armures pour tissage
US1514873A (en) * 1923-08-28 1924-11-11 Staubli Hermann Dobby mechanism
US2071784A (en) * 1936-06-18 1937-02-23 Edwards Ralph Coleman Attachment for dobby heads
US2644488A (en) * 1947-09-20 1953-07-07 Sulzer Ag Shedding mechanism for looms
US2646080A (en) * 1952-05-21 1953-07-21 Crompton & Knowles Loom Works Paper indicated dobby
CH330439A (de) * 1954-11-25 1958-06-15 Staeubli Geb & Co Doppelhub-Gegenzug-Schaftmaschine
GB862666A (en) * 1957-04-05 1961-03-15 Robert Staubli Positive double lift dobby motion
GB886310A (en) * 1959-04-01 1962-01-03 Saurer Ag Adolph A double-lift open-shed dobby
US3057379A (en) * 1957-07-27 1962-10-09 Staubli Geb & Co Dobbies
GB914481A (en) * 1958-04-11 1963-01-02 Rueti Ag Maschf Improvements in blade driving devices for double lift dobbies

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR538616A (fr) * 1921-07-22 1922-06-13 Mécanique à armures pour tissage
US1514873A (en) * 1923-08-28 1924-11-11 Staubli Hermann Dobby mechanism
US2071784A (en) * 1936-06-18 1937-02-23 Edwards Ralph Coleman Attachment for dobby heads
US2644488A (en) * 1947-09-20 1953-07-07 Sulzer Ag Shedding mechanism for looms
US2646080A (en) * 1952-05-21 1953-07-21 Crompton & Knowles Loom Works Paper indicated dobby
CH330439A (de) * 1954-11-25 1958-06-15 Staeubli Geb & Co Doppelhub-Gegenzug-Schaftmaschine
GB862666A (en) * 1957-04-05 1961-03-15 Robert Staubli Positive double lift dobby motion
US3057379A (en) * 1957-07-27 1962-10-09 Staubli Geb & Co Dobbies
GB914481A (en) * 1958-04-11 1963-01-02 Rueti Ag Maschf Improvements in blade driving devices for double lift dobbies
GB886310A (en) * 1959-04-01 1962-01-03 Saurer Ag Adolph A double-lift open-shed dobby

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349808A (en) * 1966-04-05 1967-10-31 Crompton & Knowles Corp Locking device
US3464451A (en) * 1967-01-21 1969-09-02 Giovanni Piazzolla Loom dobby
US3459236A (en) * 1967-01-30 1969-08-05 Staublic & Co Geb Dobby machines
US20060231274A1 (en) * 2005-04-13 2006-10-19 Bram Vanderjeugt Device for modulating a first rotational motion of an input shaft to a second, different from the first, rotational motion of an output shaft in textile machines
US7506668B2 (en) * 2005-04-13 2009-03-24 N.V. Michel Van De Wiele Device for modulating a first rotational motion of an input shaft to a second, different from the first, rotational motion of an output shaft in textile machines

Also Published As

Publication number Publication date
GB1032014A (en) 1966-06-08
CH402759A (it) 1965-11-15

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