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US3265096A Expired / Lapsed US ⏱️ 0.0 years remaining

Jacquard machine with individual electromagnetically controlled heddles

Assignee: OC Oerlikon Corp AG Pfaeffikon
•
Filing: 1964-02-03
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Granted: 1966-08-09
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Expires: 1984-02-03
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Abstract

No abstract record available.

Inventors

  • 👤 Zangerle Walter
  • 👤 Fend Heinrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 17:43
CPC Classifications
D; D03; D03C; D03C3/00; D03C3/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 261 words
IN A JACQUARD MACHINE, AT LEAST ONE ELECTROMAGNETICALLY CONTROLLED HEDDLE PROVIDED WITH A RECESS AND OPERABLE BETWEEN TWO END POSITIONS, MEANS FOR CONTINUALLY APPLYING A FIRST FORCE TO DISPLACE SAID HEDDLE IN A FIRST DIRECTION TOWARDS ONE END POSITION, MEANS FOR INTERMITTENTLY APPLYING A SECOND FORCE TO DISPLACE SAID HEDDLE IN A SECOND DIRECTION OPPOSITE SAID FIRST DIRECTION TOWARDS THE OTHER END POSITION, SAID FIRST FORCE BEING WEAKER THAN SAID SECOND FORCE, AN ELECTROMAGNETICALLY CONTROLLABLE LOCKING DEVICE FOR TEMPORARILY RESTRAINING SAID HEDDLE IN AN OPERABLE POSITION INTO WHICH IT IS DISPLACED IN SAID SECOND DIRECTION BY SAID SECOND FORCE APPLYING MEANS, SAID ELECTROMAGNETICALLY CONTROLLABLE LOCKING DEVICE INCORPORATING A MAGNET SYSTEM INCLUDING A MAGNET CORE, AN ARMATURE CONSTRUCTED AS FLAT SPRING, SAID FLAT SPRING HAVING A FLEXED FREE END, SAID FLAT SPRING BEING FORMED OF RESILIENT MATERIAL POSSESSING SUFFICIENT INTERNAL STRESS TO INDUCE SAID FLEXED FREE END TO NORMALLY MOVE INTO THE PATH OF MOVEMENT OF SAID RECESS OF SAID HEDDLE, SAID FLAT SPRING DURING MOVEMENT OF SAID HEDDLE IN SAID SECOND DIRECTION BEING URGED AGAINST SAID MAGNET CORE, SAID FLAT SPRING DURING MOVEMENT OF MAGNET CORE WHEN SAID MAGNET SYSTEM IS UNEXCITED IN ORDER SAID HEDDLE IN SAID FIRST DIRECTION BEING HELD AGAINST SAID TO RENDER UNOBSTRUCTED THE MOVEMENT OF SAID HEDDLE IN SAID FIRST DIRECTION, SAID FLAT SPRING BEING RELEASED FROM SAID MAGNET CORE WHEN SAID MAGNET SYSTEM IS EXCITED SO THAT SAID FLEXED FREE END ENGAGES WITH SAID RECESS OF SAID HEDDLE TO RESTRAIN THE LATTER IN SAID OPERABLE POSITION IN SAID SECOND DIRECTION OF MOVEMENT OF SAID HEDDLE.
Claim 2
Dependent Claim 261 words
IN A JACQUARD MACHINE, AT LEAST ONE ELECTROMAGNETICALLY CONTROLLED HEDDLE PROVIDED WITH A RECESS AND OPERABLE BETWEEN TWO END POSITIONS, MEANS FOR CONTINUALLY APPLYING A FIRST FORCE TO DISPLACE SAID HEDDLE IN A FIRST DIRECTION TOWARDS ONE END POSITION, MEANS FOR INTERMITTENTLY APPLYING A SECOND FORCE TO DISPLACE SAID HEDDLE IN A SECOND DIRECTION OPPOSITE SAID FIRST DIRECTION TOWARDS THE OTHER END POSITION, SAID FIRST FORCE BEING WEAKER THAN SAID SECOND FORCE, AN ELECTROMAGNETICALLY CONTROLLABLE LOCKING DEVICE FOR TEMPORARILY RESTRAINING SAID HEDDLE IN AN OPERABLE POSITION INTO WHICH IT IS DISPLACED IN SAID SECOND DIRECTION BY SAID SECOND FORCE APPLYING MEANS, SAID ELECTROMAGNETICALLY CONTROLLABLE LOCKING DEVICE INCORPORATING A MAGNET SYSTEM INCLUDING A MAGNET CORE, AN ARMATURE CONSTRUCTED AS FLAT SPRING, SAID FLAT SPRING HAVING A FLEXED FREE END, SAID FLAT SPRING BEING FORMED OF RESILIENT MATERIAL POSSESSING SUFFICIENT INTERNAL STRESS TO INDUCE SAID FLEXED FREE END TO NORMALLY MOVE INTO THE PATH OF MOVEMENT OF SAID RECESS OF SAID HEDDLE, SAID FLAT SPRING DURING MOVEMENT OF SAID HEDDLE IN SAID SECOND DIRECTION BEING URGED AGAINST SAID MAGNET CORE, SAID FLAT SPRING DURING MOVEMENT OF MAGNET CORE WHEN SAID MAGNET SYSTEM IS UNEXCITED IN ORDER SAID HEDDLE IN SAID FIRST DIRECTION BEING HELD AGAINST SAID TO RENDER UNOBSTRUCTED THE MOVEMENT OF SAID HEDDLE IN SAID FIRST DIRECTION, SAID FLAT SPRING BEING RELEASED FROM SAID MAGNET CORE WHEN SAID MAGNET SYSTEM IS EXCITED SO THAT SAID FLEXED FREE END ENGAGES WITH SAID RECESS OF SAID HEDDLE TO RESTRAIN THE LATTER IN SAID OPERABLE POSITION IN SAID SECOND DIRECTION OF MOVEMENT OF SAID HEDDLE.

References Cited (Backward Citations)

US565446A Cited
US1984128A Cited
US2136076A Cited
US2136328A Cited
US2204891A Cited
US2714901A Cited
FR1048906A Cited
GB741610A Cited
GB825221A Cited
US3117598A Cited
US3170312A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-08 1970-02-07 1970-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-08 1974-02-07 1974-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-08 1978-02-07 1978-08-09 $7700.00 Window Closed / Lapsed

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