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US3122268A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanism for feeding the weft-bobbins to the automatic bobbin-change of a mechanical loom

Assignee: Ruti Machinery Works Ltd
•
Filing: 1960-04-12
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Granted: 1964-02-25
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Expires: 1980-04-12
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Abstract

No abstract record available.

Inventors

  • 👤 Lutz Friedrich
  • 👤 Stucki Peter
  • 👤 Merki Hermann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:40
CPC Classifications
D; D03; D03D; D03D45/00; D03D45/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 251 words
IN COMBINATION WITH A LOOM HAVING AN AUTOMATIC WEFT BOBBIN CHANGER AND A CHUTE FOR DELIVERING WEFT BOBBINS TO SAID BOBBIN CHANGER, SAID CHUTE HAVING AN OPENING FOR RECEIVING WEFT BOBBINS THEREIN, THE IMPROVEMENT WHICH COMPRISES, AT LEAST ONE BOBBIN CONTAINER FOR RECEIVING THE BOBBINS THEREIN ARRANGED WITH THEIR LONGITUDINAL AXES DISPOSED SUBSTANTIALLY HORIZONTALLY, SAID CONTAINER HAVING AN OPEN TOP POSITIONABLE BELOW SAID OPENING IN A POSITION IN WHICH THE CONTAINER BOTTOM IS DOWNWARDLY INCLINED TOWARD SAID CHUTE, MECHANISM FOR AUTOMATICALLY REMOVING THE BOBBINS INDIVIDUALLY INTO SAID CHUTE THROUGH SAID OPENING COMPRISING, GRIPPER MEANS FOR GRIPPING INDIVIDUAL BOBBINS AND LIFTING THEM TO SAID OPENING, MEANS FOR RECIPROCABLY GUIDING SAID GRIPPER MEANS INTO SAID CONTAINER AND OUT OF SAID CONTAINER ALONG A GIVEN PATH, CONTINUOUSLY DRIVEN MEANS FOR CYCLICALLY LIFTING SAID GRIPPER MEANS AUTOMATICALLY TO THE LEVEL OF SAID OPENING AND LOWERING SAID GRIPPER MEANS INTO SAID CONTAINER UNDER THE EFFECT OF GRAVITY, MEANS FOR CAUSING SAID GRIPPER MEANS TO STOP ITS MOVEMENT DOWNWARDLY ALONG SAID GIVEN PATH AND TO SELECT AN INDIVIDUAL BOBBIN IN SAID PATH FOR REMOVAL FROM SAID CONTAINER, MEANS AUTOMATICALLY ACTIVATED BY SAID DRIVEN MEANS FOR RENDERING SAID GRIPPER MEANS EFFECTIVE TO GRASP SAID BOBBIN SELECTED WHEN SAID GRIPPER STOPS MOVING DOWNWARDLY, MEANS RENDERED EFFECTIVE AUTOMATICALLY BY SAID DRIVEN MEANS FOR RENDERING SAID GRIPPER MEANS INEFFECTIVE WHEN A BOBBIN IS LIFTED PARALLEL TO SAID CHUTE OPENING AND TO RELEASE THE INDIVIDUAL BOBBINS, AND MEANS TO DELIVER THE BOBBINS INDIVIDUALLY RELEASED BY THE GRIPPER MEANS INTO SAID CHUTE OPENING.
Claim 2
Dependent Claim 251 words
IN COMBINATION WITH A LOOM HAVING AN AUTOMATIC WEFT BOBBIN CHANGER AND A CHUTE FOR DELIVERING WEFT BOBBINS TO SAID BOBBIN CHANGER, SAID CHUTE HAVING AN OPENING FOR RECEIVING WEFT BOBBINS THEREIN, THE IMPROVEMENT WHICH COMPRISES, AT LEAST ONE BOBBIN CONTAINER FOR RECEIVING THE BOBBINS THEREIN ARRANGED WITH THEIR LONGITUDINAL AXES DISPOSED SUBSTANTIALLY HORIZONTALLY, SAID CONTAINER HAVING AN OPEN TOP POSITIONABLE BELOW SAID OPENING IN A POSITION IN WHICH THE CONTAINER BOTTOM IS DOWNWARDLY INCLINED TOWARD SAID CHUTE, MECHANISM FOR AUTOMATICALLY REMOVING THE BOBBINS INDIVIDUALLY INTO SAID CHUTE THROUGH SAID OPENING COMPRISING, GRIPPER MEANS FOR GRIPPING INDIVIDUAL BOBBINS AND LIFTING THEM TO SAID OPENING, MEANS FOR RECIPROCABLY GUIDING SAID GRIPPER MEANS INTO SAID CONTAINER AND OUT OF SAID CONTAINER ALONG A GIVEN PATH, CONTINUOUSLY DRIVEN MEANS FOR CYCLICALLY LIFTING SAID GRIPPER MEANS AUTOMATICALLY TO THE LEVEL OF SAID OPENING AND LOWERING SAID GRIPPER MEANS INTO SAID CONTAINER UNDER THE EFFECT OF GRAVITY, MEANS FOR CAUSING SAID GRIPPER MEANS TO STOP ITS MOVEMENT DOWNWARDLY ALONG SAID GIVEN PATH AND TO SELECT AN INDIVIDUAL BOBBIN IN SAID PATH FOR REMOVAL FROM SAID CONTAINER, MEANS AUTOMATICALLY ACTIVATED BY SAID DRIVEN MEANS FOR RENDERING SAID GRIPPER MEANS EFFECTIVE TO GRASP SAID BOBBIN SELECTED WHEN SAID GRIPPER STOPS MOVING DOWNWARDLY, MEANS RENDERED EFFECTIVE AUTOMATICALLY BY SAID DRIVEN MEANS FOR RENDERING SAID GRIPPER MEANS INEFFECTIVE WHEN A BOBBIN IS LIFTED PARALLEL TO SAID CHUTE OPENING AND TO RELEASE THE INDIVIDUAL BOBBINS, AND MEANS TO DELIVER THE BOBBINS INDIVIDUALLY RELEASED BY THE GRIPPER MEANS INTO SAID CHUTE OPENING.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-24 1967-08-26 1968-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-24 1971-08-26 1972-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-24 1975-08-26 1976-02-25 $7700.00 Window Closed / Lapsed

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