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US3347481A Expired / Lapsed US ⏱️ 0.0 years remaining

Tape transport method

Assignee: Borg Warner Corp
•
Filing: 1963-09-05
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Granted: 1967-10-17
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Expires: 1983-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Epstein Herman
  • 👤 Cogan Samuel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:03
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/44; G06; G06K; G06K13/00; G06K13/18; G06K13/26; G06K13/28; G11B15/43

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 183 words
THE METHOD OF CONTROLLING A MATERIAL HANDLING SYSTEM WHICH INCLUDES DRIVE MEANS AND BRAKE MEANS FOR PASSING A STRAND OF MATERIAL FROM A SUPPLY REEL TO A TAKE-UP REEL DURING FORWARD OPERATION AND FOR REVERSING THE DIRECTION OF STRAND TRAVEL DURING REWIND OPERATION, WHICH SYSTEM INCLUDES A SEPARATE SENSING MEANS ADJACENT EACH OF THE REEL TO INDICATE THE AMOUNT OF SLACK MATERIAL ADJACENT EACH REEL, COMPRISING THE STEPS OF SELECTIVELY ENERGIZING AND DE-ENERGIZING BOTH THE DRIVE MEANS AND THE BRAKE MEANS DURING FORWARD OPERATION IN ACCORDANCE WITH THE RESPECTIVE POSITIONS OF THE TWO SENSING MEANS, DRIVING THE SUPPLY REEL AT A SUBSTANTIALLY CONSTANT SPEED DURING REWIND OPERATION WHEN THERE IS MORE TAPE ON THE TAKE-UP REEL THAN ON THE SUPPLY REEL, WHILE SELECTIVELY ENERGIZING AND DE-ENERGIZING THE DRIVE MEANS AND DE-ENERGIZING AND ENERGIZING THE BRAKE MEANS FOR THE TAKE-UP REEL, AND REGULATING ENERGIZATION AND DE-ENERGIZATION ONLY OF THE DRIVE MEANS FOR THE SUPPLY REEL DURING REWIND OPERATION WHEN THERE IS MORE TAPE ON THE SUPPLY REEL THAN THE TAKE-UP REEL IN ACCORDANCE WITH THE POSITION OF THE SENSING MEANS ADJACENT THE TAKE-UP REEL.
Claim 2
Independent Claim 183 words
THE METHOD OF CONTROLLING A MATERIAL HANDLING SYSTEM WHICH INCLUDES DRIVE MEANS AND BRAKE MEANS FOR PASSING A STRAND OF MATERIAL FROM A SUPPLY REEL TO A TAKE-UP REEL DURING FORWARD OPERATION AND FOR REVERSING THE DIRECTION OF STRAND TRAVEL DURING REWIND OPERATION, WHICH SYSTEM INCLUDES A SEPARATE SENSING MEANS ADJACENT EACH OF THE REEL TO INDICATE THE AMOUNT OF SLACK MATERIAL ADJACENT EACH REEL, COMPRISING THE STEPS OF SELECTIVELY ENERGIZING AND DE-ENERGIZING BOTH THE DRIVE MEANS AND THE BRAKE MEANS DURING FORWARD OPERATION IN ACCORDANCE WITH THE RESPECTIVE POSITIONS OF THE TWO SENSING MEANS, DRIVING THE SUPPLY REEL AT A SUBSTANTIALLY CONSTANT SPEED DURING REWIND OPERATION WHEN THERE IS MORE TAPE ON THE TAKE-UP REEL THAN ON THE SUPPLY REEL, WHILE SELECTIVELY ENERGIZING AND DE-ENERGIZING THE DRIVE MEANS AND DE-ENERGIZING AND ENERGIZING THE BRAKE MEANS FOR THE TAKE-UP REEL, AND REGULATING ENERGIZATION AND DE-ENERGIZATION ONLY OF THE DRIVE MEANS FOR THE SUPPLY REEL DURING REWIND OPERATION WHEN THERE IS MORE TAPE ON THE SUPPLY REEL THAN THE TAKE-UP REEL IN ACCORDANCE WITH THE POSITION OF THE SENSING MEANS ADJACENT THE TAKE-UP REEL.

References Cited (Backward Citations)

US2923488A Cited
US3100554A Cited
US3172611A Cited
US3218529A Cited
US3269670A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-16 1971-04-17 1971-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-16 1975-04-17 1975-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-16 1979-04-17 1979-10-17 $7700.00 Window Closed / Lapsed

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