Patent US1683693A successfully refreshed from Google Patents.
Patent US3216266A successfully refreshed from Google Patents.
US3216266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed device
Assignee: Individual
•
Filing: 1963-04-12
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Granted: 1965-11-09
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Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Sunnen Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:16
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A MULTI-SPEED DRIVE FOR MACHINES AND THE LIKE COMPRISING A DRIVE SHAFT HAVING A PAIR OF SPACED DRIVE PULLEYS THEREON AND A THIRD PULLEY, A PRIME MOVER HAVING A POWERED PULLEY SPACED IN A FIRST DIRECTION FROM THE DRIVE SHAFT, BELT MEANS OPERATIVELY CONNECTING THE THIRD PULLEY TO THE POWERED PULLEY, A DRIVEN SHAFT POSITIONED IN A DIRECTION SUBSTANTIALLY OPPOSITE FROM THE POWERED PULLEY RELATIVE TO THE DRIVE SHAFT AND HAVING A PAIR OF SPACED DRIVEN PULLEYS THEREON IN ALIGNMENT RESPECTIVELY WITH THE DRIVE PULLEYS, A BELT CONNECTING BETWEEN EACH OF SAID DRIVE PULLEYS AND THE ALIGNED DRIVEN PULLEYS, SAID CONNECTED PULLEYS HAVING DIFFERENT RELATIVE SIZES IN ORDER TO PRODUCE DIFFERENT SPEEDS OF THE DRIVEN SHAFT, MEANS FOR SELECTIVELY APPLYING TENSION TO THE DIFFERENT BELT CONNECTIONS BETWEEN THE DRIVE AND DRIVEN PULLEYS TO ADJUST THE SPEED OF THE DRIVEN SHAFT, SAID LAST NAMED MEANS INCLUDING AN ARM HAVING A FREE END MOVABLE TOWARD OR AWAY FROM THE BELT
Claim 2
Dependent Claim
158 words
A MULTI-SPEED DRIVE FOR MACHINES AND THE LIKE COMPRISING A DRIVE SHAFT HAVING A PAIR OF SPACED DRIVE PULLEYS THEREON AND A THIRD PULLEY, A PRIME MOVER HAVING A POWERED PULLEY SPACED IN A FIRST DIRECTION FROM THE DRIVE SHAFT, BELT MEANS OPERATIVELY CONNECTING THE THIRD PULLEY TO THE POWERED PULLEY, A DRIVEN SHAFT POSITIONED IN A DIRECTION SUBSTANTIALLY OPPOSITE FROM THE POWERED PULLEY RELATIVE TO THE DRIVE SHAFT AND HAVING A PAIR OF SPACED DRIVEN PULLEYS THEREON IN ALIGNMENT RESPECTIVELY WITH THE DRIVE PULLEYS, A BELT CONNECTING BETWEEN EACH OF SAID DRIVE PULLEYS AND THE ALIGNED DRIVEN PULLEYS, SAID CONNECTED PULLEYS HAVING DIFFERENT RELATIVE SIZES IN ORDER TO PRODUCE DIFFERENT SPEEDS OF THE DRIVEN SHAFT, MEANS FOR SELECTIVELY APPLYING TENSION TO THE DIFFERENT BELT CONNECTIONS BETWEEN THE DRIVE AND DRIVEN PULLEYS TO ADJUST THE SPEED OF THE DRIVEN SHAFT, SAID LAST NAMED MEANS INCLUDING AN ARM HAVING A FREE END MOVABLE TOWARD OR AWAY FROM THE BELT
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |