Patent US3249315A successfully refreshed from Google Patents.
US3249315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable dancer roll for a tension winding mechanism
Assignee: WALCO ELECTRIC CO
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Filing: 1964-05-27
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Granted: 1966-05-03
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Wilfred L Peltier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:48
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A TENSION CONTROLLED DEVICE COMPRISING A RECTANGULAR FRAME, A LOWER HORIZONTAL SHAFT MOUNTED IN SAID FRAME, AN UPPER HORIZONTAL SHAFT MOUNTED IN SAID FRAME, A SPROCKET WHEEL MOUNTED ADJACENT EACH END OF EACH OF SAID SAID SHAFTS IN VERTICALLY ALINGED PAIRS, A SPROCKET CHAIN ON EACH PAIR OF ALIGNED SPROCKET WHEELS ADJACENT THE ENDS OF SAID SH AFT, A VERTICAL SHAFT MOUNTED IN SAID FRAME INWARDLY OF EACH OF SAID SPROCKET CHAINS, A BLOCK SLIDABLY MOUNTED ON EACH VERTICAL SHAFT IN ENGAGEMENT WITH THE ADJACENT SPROCKET CHAIN, A DANCER ROLL HORIZONTALLY ROTATABLY MOUNTED IN SAID BLOCKS, A PAIR OF SPACED ROLLERS MOUNTED ADJACENT THE TOP OF SAID FRAME WHEREBY THE MATERIAL WILL PASS OVER ON ROLLER, DOWN AND UNDER THE DANCER ROLL AND UP OVER THE OTHER ROLLER TO THE WINDING SHAFT, AND MEANS FOR APPLYING A PREDETERMINED ADJUSTABLE DOWNWARD PULL TO SAID DANCER ROLL, SAID MEANS COMPRISING AN ADJUSTABLE TORQUE MOTOR ROTATABLY COUPLED TO SAID LOWER SHAFT.
Claim 2
Dependent Claim
158 words
A TENSION CONTROLLED DEVICE COMPRISING A RECTANGULAR FRAME, A LOWER HORIZONTAL SHAFT MOUNTED IN SAID FRAME, AN UPPER HORIZONTAL SHAFT MOUNTED IN SAID FRAME, A SPROCKET WHEEL MOUNTED ADJACENT EACH END OF EACH OF SAID SAID SHAFTS IN VERTICALLY ALINGED PAIRS, A SPROCKET CHAIN ON EACH PAIR OF ALIGNED SPROCKET WHEELS ADJACENT THE ENDS OF SAID SH AFT, A VERTICAL SHAFT MOUNTED IN SAID FRAME INWARDLY OF EACH OF SAID SPROCKET CHAINS, A BLOCK SLIDABLY MOUNTED ON EACH VERTICAL SHAFT IN ENGAGEMENT WITH THE ADJACENT SPROCKET CHAIN, A DANCER ROLL HORIZONTALLY ROTATABLY MOUNTED IN SAID BLOCKS, A PAIR OF SPACED ROLLERS MOUNTED ADJACENT THE TOP OF SAID FRAME WHEREBY THE MATERIAL WILL PASS OVER ON ROLLER, DOWN AND UNDER THE DANCER ROLL AND UP OVER THE OTHER ROLLER TO THE WINDING SHAFT, AND MEANS FOR APPLYING A PREDETERMINED ADJUSTABLE DOWNWARD PULL TO SAID DANCER ROLL, SAID MEANS COMPRISING AN ADJUSTABLE TORQUE MOTOR ROTATABLY COUPLED TO SAID LOWER SHAFT.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |