← Back to Patent Explorer
US3134144A Expired / Lapsed US ⏱️ 0.0 years remaining

Carding and drafting apparatus

Assignee: Greenwood Mills Inc
•
Filing: 1960-12-30
•
Granted: 1964-05-26
•
Expires: 1980-12-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Conway L Still

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:35
CPC Classifications
D; D01; D01G; D01G21/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 178 words
A CARDING AND DRAFTING APPARATUS, WHICH COMPRISES A PLURALITY OF CARDS PRODUCING RESPECTIVE SILVERS AND EACH HAVING A CYLINDER, A DOFFER, AND A LICKER-IN, THE CYLINDER, DOFFER, AND LICKER-IN HAVING RESPECTIVE SHAFTS, THE CARDS BEING ARRANGED IN A ROW WITH THEIR CYLINDER SHAFTS ALIGNED, MEANS FOR COUPLING THE CYLINDER SHAFTS, A PRIME MOVER CONNECTED TO THE COUPLED CYLINDER SHAFTS, MEANS FOR DRIVING THE LICKER-IN SHAFTS, A COUNTER SHAFT PARALLEL TO THE CYLINDER SHAFTS, A DRIVING CONNECTION BETWEEN ONE CYLINDER SHAFT AND THE COUNTERSHAFT, THE DRIVING CONNECTION INCLUDING A CLUTCH, MEANS FOR DRIVING THE DOFFER SHAFTS FROM THE COUNTERSHAFT, A DRAW BOX RECEIVING THE SLIVERS ISSUING FROM THE CARDS AND DISCHARGING A SINGLE DRAFTED SLIVER, A COILER RECEIVING THE DRAFTED SLIVER AND DEPOSITING IT IN A CAN, MEANS FOR DRIVING THE DRAW BOX AND THE COILER FROM THE COUNTERSHAFT, CAN DOFFING MEANS FOR REPLACING A FULL CAN BY AN EMPTY ONE, AND MEANS OPERATING AFTER THE DEPOSIT OF A SELECTED QUANTITY OF SLIVER IN THE CAN TO DISENGAGE THE CLUTCH AND START THE OPERATION OF THE CAN DOFFING MEANS.
Claim 2
Dependent Claim 178 words
A CARDING AND DRAFTING APPARATUS, WHICH COMPRISES A PLURALITY OF CARDS PRODUCING RESPECTIVE SILVERS AND EACH HAVING A CYLINDER, A DOFFER, AND A LICKER-IN, THE CYLINDER, DOFFER, AND LICKER-IN HAVING RESPECTIVE SHAFTS, THE CARDS BEING ARRANGED IN A ROW WITH THEIR CYLINDER SHAFTS ALIGNED, MEANS FOR COUPLING THE CYLINDER SHAFTS, A PRIME MOVER CONNECTED TO THE COUPLED CYLINDER SHAFTS, MEANS FOR DRIVING THE LICKER-IN SHAFTS, A COUNTER SHAFT PARALLEL TO THE CYLINDER SHAFTS, A DRIVING CONNECTION BETWEEN ONE CYLINDER SHAFT AND THE COUNTERSHAFT, THE DRIVING CONNECTION INCLUDING A CLUTCH, MEANS FOR DRIVING THE DOFFER SHAFTS FROM THE COUNTERSHAFT, A DRAW BOX RECEIVING THE SLIVERS ISSUING FROM THE CARDS AND DISCHARGING A SINGLE DRAFTED SLIVER, A COILER RECEIVING THE DRAFTED SLIVER AND DEPOSITING IT IN A CAN, MEANS FOR DRIVING THE DRAW BOX AND THE COILER FROM THE COUNTERSHAFT, CAN DOFFING MEANS FOR REPLACING A FULL CAN BY AN EMPTY ONE, AND MEANS OPERATING AFTER THE DEPOSIT OF A SELECTED QUANTITY OF SLIVER IN THE CAN TO DISENGAGE THE CLUTCH AND START THE OPERATION OF THE CAN DOFFING MEANS.

References Cited (Backward Citations)

US144840A Cited
US165716A Cited
US271155A Cited
US898841A Cited
US1777442A Cited
GB317934A Cited
DE514932C Cited
GB334413A Cited
US1956450A Cited
US2260355A Cited
FR863471A Cited
FR874763A Cited
US2964802A Cited
US3071820A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-26 1967-11-25 1968-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-26 1971-11-25 1972-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-26 1975-11-25 1976-05-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag