US3185403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape drive
Assignee: Unisys Corp
•
Filing: 1962-02-16
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Granted: 1965-05-25
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Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 Harley F Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:59
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/02; B41J33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A SYSTEM FOR TRANSPORTING DELICATE MAGNETIC INK TAPE STEPWISE FROM A SUPPLY ROLL TO A DOCUMENT PRINTING MEANS, WHICH COMPRISES: (A) A SUPPLY ROLL HOLDER ADAPTED TO RECEIVE SAID SUPPLY ROLL, (B) A TAKE-UP REEL MOUNTED ON A SHAFT PASSING THROUGH SAID HOLDER, (C) NORMALLY DE-ENERGIZED DRIVE MEANS FOR SAID TAKE-UP REEL, (D) A DRIVE PULLEY MOUNTED ON A SECOND SHAFT TO FACE THE SUPPLY ROLL ON SAID HOLDER, (E) MEANS SUPPORTING AN IDLER PULLEY FOR MOVEMENT ALONG AN ARC INTERSECTING THE SUPPLY ROLL ON SAID HOLDER AT A DISTANCE FROM SAID DRIVE PULLEY, (F) AN INSULATING BELT ENCIRCLING THE PULLEYS, (G) RESILIENT MEANS FOR URGING SAID IDLER PULLEY TOWARD SAID HOLDER FOR CONTACT BY SAID BELT WITH SAID ROLL, (H) GUIDE MEANS FOR DIRECTING SAID TAPE ALONG THE FACE OF SAID BELT AND THENCE THROUGH SAID PRINTING MEANS TO SAID TAKE-UP REEL, (I) MEANS SYNCHRONIZED WITH SAID PRINTING MEANS FOR INTERMITTENTLY ACTUATING SAID DRIVE PULLEY TO ADVANCE SAID TAPE IN STEPS, (J) RESILIENTLY BIASED FOLLER MEANS ENGAGING SAID TAPE BETWEEN SAID PRINTING MEANS AND SAID TAPE-UP REEL FOR MAINTAINING SAID TAPE UNDER TENSION, AND (K) MEANS RESPONSIVE TO MOVEMENT OF SAID FOLLOWER MEANS FOR SELECTIVELY ENERGIZING AND DE-ENERGIZING SAID DRIVE MEANS.
Claim 2
Independent Claim
202 words
A SYSTEM FOR TRANSPORTING DELICATE MAGNETIC INK TAPE STEPWISE FROM A SUPPLY ROLL TO A DOCUMENT PRINTING MEANS, WHICH COMPRISES: (A) A SUPPLY ROLL HOLDER ADAPTED TO RECEIVE SAID SUPPLY ROLL, (B) A TAKE-UP REEL MOUNTED ON A SHAFT PASSING THROUGH SAID HOLDER, (C) NORMALLY DE-ENERGIZED DRIVE MEANS FOR SAID TAKE-UP REEL, (D) A DRIVE PULLEY MOUNTED ON A SECOND SHAFT TO FACE THE SUPPLY ROLL ON SAID HOLDER, (E) MEANS SUPPORTING AN IDLER PULLEY FOR MOVEMENT ALONG AN ARC INTERSECTING THE SUPPLY ROLL ON SAID HOLDER AT A DISTANCE FROM SAID DRIVE PULLEY, (F) AN INSULATING BELT ENCIRCLING THE PULLEYS, (G) RESILIENT MEANS FOR URGING SAID IDLER PULLEY TOWARD SAID HOLDER FOR CONTACT BY SAID BELT WITH SAID ROLL, (H) GUIDE MEANS FOR DIRECTING SAID TAPE ALONG THE FACE OF SAID BELT AND THENCE THROUGH SAID PRINTING MEANS TO SAID TAKE-UP REEL, (I) MEANS SYNCHRONIZED WITH SAID PRINTING MEANS FOR INTERMITTENTLY ACTUATING SAID DRIVE PULLEY TO ADVANCE SAID TAPE IN STEPS, (J) RESILIENTLY BIASED FOLLER MEANS ENGAGING SAID TAPE BETWEEN SAID PRINTING MEANS AND SAID TAPE-UP REEL FOR MAINTAINING SAID TAPE UNDER TENSION, AND (K) MEANS RESPONSIVE TO MOVEMENT OF SAID FOLLOWER MEANS FOR SELECTIVELY ENERGIZING AND DE-ENERGIZING SAID DRIVE MEANS.
References Cited (Backward Citations)
US1916109A
Cited
US1482354A
Cited
DE445034C
Cited
US2658398A
Cited
US2891736A
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GB860272A
Cited
US2941737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |