← Back to Patent Explorer
US3304743A Expired / Lapsed US ⏱️ 0.0 years remaining

Elastic couplings

Assignee: Luxembourgeoise de Brevets et de Participations SA
•
Filing: 1964-11-02
•
Granted: 1967-02-21
•
Expires: 1984-11-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paulsen Jean-Felix

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 04:00
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70; F16D3/56; F16D3/16; F16D3/48

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 207 words
A COUPLING FOR CONNECTING TOGETHER A PAIR OF SHAFTS COMPRISING: A PAIR OF HUB MEMBERS RIGID WITH SAID SHAFTS RESPECTIVELY, AND COMPRISING CONNECTING PLATES FACING EACH OTHER, EACH OF SAID PLATES BEING PROVIDED WITH A PLURALITY OF PERIPHERAL HOLES, AN INTERMEDIATE PLATE BETWEEN SAID CONNECTING PLATES CARRYING ON ITS BOTH SIDES A PLURALITY OF PROJECTIONS EXTENDING INTO THE HOLES OF BOTH SAID CONNECTING PLATES, MEANS FOR ELASTICALLY ATTACHING SAID CONNECTING PLATES TO EACH OF THE PROJECTIONS OF SAID INTERMEDIATE PLATE, EACH OF SAID MEANS COMPRISING AN ELASTIC TUBULAR ELEMENT AND RIGID INNER AND OUTER SLEEVES AFFIXED TO THE INNER AND OUTER SURFACES OF SAID ELASTIC TUBULAR ELEMENT, SAID INNER SLEEVE ENGAGING THE CORRESPONDING PROJECTION AND SAID OUTER SLEEVE FITTING WITHIN THE CORRESPONDING CONNECTING PLATE HOLE, MEANS FOR FIXING THE OUTER SLEEVES OF SAID ATTACHING MEANS WITHIN SAID CONNECTING PLATE HOLE, MEANS FOR FIXING THE INNER SLEEVES OF SAID ATTACHING MEANS ON SAID PROJECTIONS, AND A PAIR OF RINGS SURROUNDING SAID HUB MEMBERS ON EITHER SIDE OF SAID INTERMEDIATE PLATE, SAID RINGS HAVING CENTRAL BORES WHOSE DIAMETERS ARE SUFFICIENT TO CLEAR SAID HUB MEMBERS IN POSITIONS OF MISALIGNMENT THEREOF, SAID RINGS ENGAGING SOLELY THE ENDS OF SAID PROJECTIONS FOR HOLDING THE SAME AGAINST THE ACTION OF CENTRIFUGAL FORCES.
Claim 2
Dependent Claim 207 words
A COUPLING FOR CONNECTING TOGETHER A PAIR OF SHAFTS COMPRISING: A PAIR OF HUB MEMBERS RIGID WITH SAID SHAFTS RESPECTIVELY, AND COMPRISING CONNECTING PLATES FACING EACH OTHER, EACH OF SAID PLATES BEING PROVIDED WITH A PLURALITY OF PERIPHERAL HOLES, AN INTERMEDIATE PLATE BETWEEN SAID CONNECTING PLATES CARRYING ON ITS BOTH SIDES A PLURALITY OF PROJECTIONS EXTENDING INTO THE HOLES OF BOTH SAID CONNECTING PLATES, MEANS FOR ELASTICALLY ATTACHING SAID CONNECTING PLATES TO EACH OF THE PROJECTIONS OF SAID INTERMEDIATE PLATE, EACH OF SAID MEANS COMPRISING AN ELASTIC TUBULAR ELEMENT AND RIGID INNER AND OUTER SLEEVES AFFIXED TO THE INNER AND OUTER SURFACES OF SAID ELASTIC TUBULAR ELEMENT, SAID INNER SLEEVE ENGAGING THE CORRESPONDING PROJECTION AND SAID OUTER SLEEVE FITTING WITHIN THE CORRESPONDING CONNECTING PLATE HOLE, MEANS FOR FIXING THE OUTER SLEEVES OF SAID ATTACHING MEANS WITHIN SAID CONNECTING PLATE HOLE, MEANS FOR FIXING THE INNER SLEEVES OF SAID ATTACHING MEANS ON SAID PROJECTIONS, AND A PAIR OF RINGS SURROUNDING SAID HUB MEMBERS ON EITHER SIDE OF SAID INTERMEDIATE PLATE, SAID RINGS HAVING CENTRAL BORES WHOSE DIAMETERS ARE SUFFICIENT TO CLEAR SAID HUB MEMBERS IN POSITIONS OF MISALIGNMENT THEREOF, SAID RINGS ENGAGING SOLELY THE ENDS OF SAID PROJECTIONS FOR HOLDING THE SAME AGAINST THE ACTION OF CENTRIFUGAL FORCES.

References Cited (Backward Citations)

FR419054A Cited
US1434690A Cited
US1821215A Cited
GB564963A Cited
US2595393A Cited
US2565606A Cited
US2727369A Cited
US2939300A Cited
US3099879A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag