← Back to Patent Explorer
US3208685A Expired / Lapsed US ⏱️ 0.0 years remaining

Anti-friction disk for strip material cartridge

Assignee: Eastman Kodak Co
•
Filing: 1963-12-30
•
Granted: 1965-09-28
•
Expires: 1983-12-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Evan A Edwards
  • 👤 Archie J Tucker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 02:16
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/093; G03; G03B; G03B17/00; G03B17/26; G03B17/265; G03B21/00; G03B21/54

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 129 words
IN A CARTRIDGE HAVING A SUPPLY CHAMBER FORMED BY PERIPHERAL AND SIDE WALLS FOR RECEIVING A SUPPLY COIL OF FLEXIBLE STRIP MATERIAL SO THAT SAID STRIP MATERIAL CAN BE WITHDRAWN FROM THE OUTER PERIPHERY OF SAID SUPPLY COIL, THE IMPROVEMENT COMPRISING: ROTATABLE MEANS FOR RECEIVING SAID SUPPLY COIL IN COAXIAL RELATIONSHIP THEREWITH AND HAVING A SURFACE ENGAGING AN EDGE OF THE CONVOLUTIONS FORMING SAID SUPPLY COIL AND PROVIDING FRICTION-REDUCING SEPARATION BETWEEN SAID EDGE AND AN ADJACENT SIDE WALL OF THE SUPPLY CHAMBER, AT LEAST A PERIPHERAL PORTION OF SAID ROTATABLE MEANS TENDING TO EXTEND INTO THE NORMAL PATH OF WITHDRAWL OF SAID STRIP MATERIAL AND BEING SUFFICIENTLY FLEXIBLE IN AN AXIAL DIRECTION RELATIVE TO SAID SUPPLY COIL SO AS TO BE DEFLECTED OUT OF ITS NORMAL PLANE OF ROTATION
Claim 2
Dependent Claim 129 words
IN A CARTRIDGE HAVING A SUPPLY CHAMBER FORMED BY PERIPHERAL AND SIDE WALLS FOR RECEIVING A SUPPLY COIL OF FLEXIBLE STRIP MATERIAL SO THAT SAID STRIP MATERIAL CAN BE WITHDRAWN FROM THE OUTER PERIPHERY OF SAID SUPPLY COIL, THE IMPROVEMENT COMPRISING: ROTATABLE MEANS FOR RECEIVING SAID SUPPLY COIL IN COAXIAL RELATIONSHIP THEREWITH AND HAVING A SURFACE ENGAGING AN EDGE OF THE CONVOLUTIONS FORMING SAID SUPPLY COIL AND PROVIDING FRICTION-REDUCING SEPARATION BETWEEN SAID EDGE AND AN ADJACENT SIDE WALL OF THE SUPPLY CHAMBER, AT LEAST A PERIPHERAL PORTION OF SAID ROTATABLE MEANS TENDING TO EXTEND INTO THE NORMAL PATH OF WITHDRAWL OF SAID STRIP MATERIAL AND BEING SUFFICIENTLY FLEXIBLE IN AN AXIAL DIRECTION RELATIVE TO SAID SUPPLY COIL SO AS TO BE DEFLECTED OUT OF ITS NORMAL PLANE OF ROTATION

References Cited (Backward Citations)

US698125A Cited
US1369127A Cited
US2001884A Cited
US2191028A Cited
US2476705A Cited
US2756940A Cited
US2817516A Cited
US3065310A Cited
US3015384A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-27 1969-03-29 1969-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-27 1973-03-29 1973-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-27 1977-03-29 1977-09-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag