US3326439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preloading structure for cooperating cylinders
Assignee: Harris Graphics Corp
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Filing: 1964-09-15
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Granted: 1967-06-20
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Albert J Sarka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:53
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/08; B41F13/20; B21; B21D; B21D5/00; B21D5/06; B21D5/08; B21D51/00; B21D51/16; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A ROTARY MACHINE COMPRISING FIRST AND SECOND RATATABLE COOPERATING CYLINDERS HAVING CIRCUMFERENCES ADAPTED TO RUN IN PRESSURE RELATIONSHIP WITH EACH OTHER, SAID CYLINDERS INCLUDING SHAFT PORTIONS PROJECTING FROM EACH OF THE OPPOSITE ENDS THEREOF, SIDE FRAMES AT THE ENDS OF SAID CYLINDERS, RESPECTIVE BEARINGS IN SAID SIDE FRAMES SUPPORTING SAID SHAFT PORTIONS, A SPRING LOADING DEVICE DISPOSED BETWEEN SAID SHAFT PORTIONS AT EACH END OF THE CYLINDERS, SAID DEVICES ACTING ON SAID SHAFT PORTIONS TO URGE THE LATTER AWAY FROM EACH OTHER, SAID SIDE FRAMES BEING DIVIDED INTO TOP, BOTTOM, AND INTERMEDIATE SECTIONS BY PLANES PASSING THROUGH SAID SHAFT PORTIONS, AND RELEASABLE MEANS INTERCONNECTING SAID SECTIONS, SAID DEVICE INCLUDING MEANS FOR COMPRESSING SAID SPRINGS TO REMOVE THE LOAD FROM SAID SHAFT PORTIONS.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |