US3391876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential unwind or rewing apparatus
Assignee: TILT-LOCK Inc MINNEAPOLIS
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Filing: 1966-10-07
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Granted: 1968-07-09
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Dalglish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:13
CPC Classifications
B; B65; B65H; B65H16/00; B65H16/10; B65H16/103; B65H16/02; B65H16/021; B65H18/00; B65H18/08; B65H18/10; B65H18/106; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/413; B65H2301/4134; B65H2301/41342; B65H2301/4139; B65H2301/41394; B65H2301/41398; B65H2301/414; B65H2301/4148; B65H2405/00; B65H2405/40; B65H2405/45; B65H2511/00; B65H2511/10; B65H2511/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A DIFFERENTIAL WIND AND REWIND APPARATUS INCLUDING: A SHAFT, MEANS SUPPORTING SAID SHAFT ON A SUBSTANTIALLY HORIZONTAL AXIS, A PAIR OF ROLL SUPPORTING CHUCKS ON SAID SHAFT AND ADAPTED TO SUPPORT A ROLL WITH THE CHUCKS EXTENDING INTO OPPOSITE ENDS THEREOF, TEETH ON SAID CHUCK ADAPTED TO ENGAGE SAID ROLL TO PREVENT RELATIVE ROTATION THEREBETWEEN, MEANS SECURING ONE OF SAID CHUCKS TO SAID SHAFT FOR ROTATION THEREWITH, A SECOND PAIR OF OPPOSED ROLL SUPPORTING CHUCKS ADAPTED TO EXTEND INTO OPPOSITE ENDS OF A SECOND ROLL, TEETH OF SAID SECOND CHUCKS ADAPTED TO ENGAGE SAID SECOND ROLL TO PREVENT RELATIVE ROTATION THEREBETWEEN, MEANS CONNECTED TO SAID SHAFT TO CONTROL THE MOVEMENT OF SAID SHAFT AND FIRST ROLL, AND MEANS ENGAGING THE PERIPHERY OF SAID SECOND ROLL TO CONTROL THE ROTATIVE MOVEMENT OF SAID SECOND ROLL.
Claim 2
Dependent Claim
134 words
A DIFFERENTIAL WIND AND REWIND APPARATUS INCLUDING: A SHAFT, MEANS SUPPORTING SAID SHAFT ON A SUBSTANTIALLY HORIZONTAL AXIS, A PAIR OF ROLL SUPPORTING CHUCKS ON SAID SHAFT AND ADAPTED TO SUPPORT A ROLL WITH THE CHUCKS EXTENDING INTO OPPOSITE ENDS THEREOF, TEETH ON SAID CHUCK ADAPTED TO ENGAGE SAID ROLL TO PREVENT RELATIVE ROTATION THEREBETWEEN, MEANS SECURING ONE OF SAID CHUCKS TO SAID SHAFT FOR ROTATION THEREWITH, A SECOND PAIR OF OPPOSED ROLL SUPPORTING CHUCKS ADAPTED TO EXTEND INTO OPPOSITE ENDS OF A SECOND ROLL, TEETH OF SAID SECOND CHUCKS ADAPTED TO ENGAGE SAID SECOND ROLL TO PREVENT RELATIVE ROTATION THEREBETWEEN, MEANS CONNECTED TO SAID SHAFT TO CONTROL THE MOVEMENT OF SAID SHAFT AND FIRST ROLL, AND MEANS ENGAGING THE PERIPHERY OF SAID SECOND ROLL TO CONTROL THE ROTATIVE MOVEMENT OF SAID SECOND ROLL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |