Patent US3268210A successfully refreshed from Google Patents.
US3268210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative brake for winch apparatus
Assignee: TYEE MACHINERY CO Ltd
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Filing: 1965-03-08
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Granted: 1966-08-23
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 John R Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:58
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/26; B66D5/00; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0166; B66D2700/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
WHICH APPARATUS COMPRISING FIRST AND SECOND ROTATABLY MOUNTED SUBSTANTIALLY PARALLEL DRUMS ADAPTED TO HAVE A LINE EXTENDING FROM THE FIRST DRUM OUT TO DO A JOB AND BACK TO THE SECOND DRUM, SAID LINE BEING DRAWN FROM THE FIRST DRUM AS IT IS WOUND ON THE SEOND DRUM AND VICE VERSA, A FIRST GEAR TRAIN AT ADJACENT ENDS OF THE DRUMS FOR ROTATING THE FIRST DRUM THROUGH A CLUTCH, A SECOND GEAR TRAIN AT OPPOSITE ENDS OF THE DRUMS OPERATED BY SAID FIRST GEAR TRAIN TO ROTATE THE SECOND DRUM THROUGH A CLUTCH, A REGENERATIVE BRAKE INCLUDING FIRST AND SECOND ENGAGEABLE BRAKING ELEMENTS, SAID FIRST BRACKING ELEMENTS BEING MOUNTED ON SAID ADJACENT END OF THE SECOND DRUM, SAID BRAKE WHEN THE BRAKING ELEMENTS THEREOF ARE ENGAGED BEING ADAPTED TO ROTATE WITH THE SECOND DRUM, GEARING CONNECTED TO THE SECOND BRAKING ELEMENT AND TO THE FIRST GEAR TRAIN FOR APPLYING POWER TO SAID FIRST TRAIN WHEN SAID BRAKE ROTATES WITH THE SECOND DRUM, AND MEANS FOR ENGAGING THE FIRST AND SECOND BRAKING ELEMENTS OF SAID REGENERATIVE BRAKE TO CAUSE THE LATTER TO ROTATE WITH THE SECOND DRUM WHEN THELINE IS BEING WOUND ON TO THEFIRST DRUM TO RETARD ROTATION OF SAID SECOND DRUM BY ASSISTING THE ROTATION OF THE FIRST DRUM THROUGH THE BRAKE AND SAID GEARING.
Claim 2
Dependent Claim
216 words
WHICH APPARATUS COMPRISING FIRST AND SECOND ROTATABLY MOUNTED SUBSTANTIALLY PARALLEL DRUMS ADAPTED TO HAVE A LINE EXTENDING FROM THE FIRST DRUM OUT TO DO A JOB AND BACK TO THE SECOND DRUM, SAID LINE BEING DRAWN FROM THE FIRST DRUM AS IT IS WOUND ON THE SEOND DRUM AND VICE VERSA, A FIRST GEAR TRAIN AT ADJACENT ENDS OF THE DRUMS FOR ROTATING THE FIRST DRUM THROUGH A CLUTCH, A SECOND GEAR TRAIN AT OPPOSITE ENDS OF THE DRUMS OPERATED BY SAID FIRST GEAR TRAIN TO ROTATE THE SECOND DRUM THROUGH A CLUTCH, A REGENERATIVE BRAKE INCLUDING FIRST AND SECOND ENGAGEABLE BRAKING ELEMENTS, SAID FIRST BRACKING ELEMENTS BEING MOUNTED ON SAID ADJACENT END OF THE SECOND DRUM, SAID BRAKE WHEN THE BRAKING ELEMENTS THEREOF ARE ENGAGED BEING ADAPTED TO ROTATE WITH THE SECOND DRUM, GEARING CONNECTED TO THE SECOND BRAKING ELEMENT AND TO THE FIRST GEAR TRAIN FOR APPLYING POWER TO SAID FIRST TRAIN WHEN SAID BRAKE ROTATES WITH THE SECOND DRUM, AND MEANS FOR ENGAGING THE FIRST AND SECOND BRAKING ELEMENTS OF SAID REGENERATIVE BRAKE TO CAUSE THE LATTER TO ROTATE WITH THE SECOND DRUM WHEN THELINE IS BEING WOUND ON TO THEFIRST DRUM TO RETARD ROTATION OF SAID SECOND DRUM BY ASSISTING THE ROTATION OF THE FIRST DRUM THROUGH THE BRAKE AND SAID GEARING.
References Cited (Backward Citations)
US1979780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |