US3073198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slitting apparatus
Assignee: Rice Barton Corp
•
Filing: 1957-10-01
•
Granted: 1963-01-15
•
Expires: 1977-10-01
Abstract
No abstract record available.
Inventors
- 👤 Everett W Clem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:49
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/104; B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; B26D7/2621; F16D1/06; F16D1/08; F16D1/0805; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T83/00; Y10T83/768; Y10T83/7809; Y10T83/7847; Y10T83/929; Y10T83/9372; Y10T83/9377; Y10T83/9396; Y10T83/9401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN A PAPER SLITTER ADAPTED FOR ADJUSTABLE POSITIONING ON A SLITTER SHAFT, THE IMPROVEMENT COMPRISING IN COMBINATION WITH A SLITTER SHAFT OF A HUB ADAPTED TO BE SLIDABLY RECEIVED OVER SAID SLITTER SHAFT, SAID HUB HAVING SPACED CLAMPING SURFACES ADAPTED TO BEAR AGAINST ONE SIDE OF SAID SHAFT AT AXIALLY SPACED POINTS, A CLOSED RADIAL CHAMBER LOCATED WITHIN SAID HUB ON THE DIAMETRICALLY OPPOSITE SIDE OF SAID SHAFT AND SUBSTANTIALLY CENTRALLY BETWEEN SAID SPACED CLAMPING SURFACES, A PISTON SLIDABLY RECEIVED IN SAID CHAMBER FOR MOVEMENT TOWARD AND AWAY FROM SAID SHAFT, MEANS FOR NORMALLY URGING SAID PISTON IN A DIRECTION AWAY FROM SAID SHAFT, A ONE-WAY VALVE ADAPTED TO PERMIT FLUID UNDER PRESSURE TO BE DISCHARGED INTO SAID CHAMBER TO MOVE SAID PISTON RADIALLY INWARDLY TO ENGAGE SAID SHAFT AND MOVE SAID CLAMPING SURFACES INTO ENGAGEMENT WITH SAID SHAFT WHEREBY SAID HUB IS CLAMPED TO SAID SHAFT, AND A SELECTIVELY OPERABLE EXHAUST VALVE FOR EXHAUSTING FLUID FROM SAID CHAMBER TO PERMIT THE PISTON TO MOVE AWAY FROM SAID SHAFT.
Claim 2
Dependent Claim
169 words
IN A PAPER SLITTER ADAPTED FOR ADJUSTABLE POSITIONING ON A SLITTER SHAFT, THE IMPROVEMENT COMPRISING IN COMBINATION WITH A SLITTER SHAFT OF A HUB ADAPTED TO BE SLIDABLY RECEIVED OVER SAID SLITTER SHAFT, SAID HUB HAVING SPACED CLAMPING SURFACES ADAPTED TO BEAR AGAINST ONE SIDE OF SAID SHAFT AT AXIALLY SPACED POINTS, A CLOSED RADIAL CHAMBER LOCATED WITHIN SAID HUB ON THE DIAMETRICALLY OPPOSITE SIDE OF SAID SHAFT AND SUBSTANTIALLY CENTRALLY BETWEEN SAID SPACED CLAMPING SURFACES, A PISTON SLIDABLY RECEIVED IN SAID CHAMBER FOR MOVEMENT TOWARD AND AWAY FROM SAID SHAFT, MEANS FOR NORMALLY URGING SAID PISTON IN A DIRECTION AWAY FROM SAID SHAFT, A ONE-WAY VALVE ADAPTED TO PERMIT FLUID UNDER PRESSURE TO BE DISCHARGED INTO SAID CHAMBER TO MOVE SAID PISTON RADIALLY INWARDLY TO ENGAGE SAID SHAFT AND MOVE SAID CLAMPING SURFACES INTO ENGAGEMENT WITH SAID SHAFT WHEREBY SAID HUB IS CLAMPED TO SAID SHAFT, AND A SELECTIVELY OPERABLE EXHAUST VALVE FOR EXHAUSTING FLUID FROM SAID CHAMBER TO PERMIT THE PISTON TO MOVE AWAY FROM SAID SHAFT.
References Cited (Backward Citations)
US311396A
Cited
US635684A
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US673473A
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US802572A
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US827023A
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US1584868A
Cited
US1797662A
Cited
US1985856A
Cited
US2120182A
Cited
US2166391A
Cited
US2377130A
Cited
US2239623A
Cited
US2657852A
Cited
US2760800A
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US2898136A
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US2801694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |