Patent US3118664A successfully refreshed from Google Patents.
US3118664A
Expired / Lapsed
US
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Pneumatic sheet stacking mechanism
Assignee: Unisys Corp
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Filing: 1961-07-27
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Granted: 1964-01-21
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Fux Aime
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:34
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/24; B65H29/241; B65H29/242; B65H29/68; B65H31/00; B65H31/04; B65H31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A PNEUMATIC MECHANISM FOR STACKING SHEETS, CARDS AND THE LIKE, A SHEET STACK FOLLOWER MOVABLE IN A GENERALLY HORIZONTAL DIRECTION AND AGAINST WHICH SHEETS ARE TO BE DEPOSITED ON EDGE INDIVIDUALLY IN A STACK, A GRAVITY RESPONSIVE WEIGHT FOR MOVING SAID SHEET STACK FOLLOWER TOWARD A REFERENCE POSITION, A FLEXIBLE COUPLING CONNECTING SAID SHEET STACK FOLLOWER AND SAID GRAVITY RESPONSIVE WEIGHT, AND PNEUMATIC MEANS FOR CONTROLLING SAID GRAVITY RESPONSIVE WEIGHT TO MAINTAIN THE END SHEET OF A STACK OF SHEETS TO BE DEPOSITED AGAINST SAID STACK FOLLOWER AT SAID REFERENCE POSITION AS SAID SHEETS ARE DEPOSITED INDIVIDUALLY IN SAID STACK OF SHEETS.
Claim 2
Dependent Claim
103 words
IN A PNEUMATIC MECHANISM FOR STACKING SHEETS, CARDS AND THE LIKE, A SHEET STACK FOLLOWER MOVABLE IN A GENERALLY HORIZONTAL DIRECTION AND AGAINST WHICH SHEETS ARE TO BE DEPOSITED ON EDGE INDIVIDUALLY IN A STACK, A GRAVITY RESPONSIVE WEIGHT FOR MOVING SAID SHEET STACK FOLLOWER TOWARD A REFERENCE POSITION, A FLEXIBLE COUPLING CONNECTING SAID SHEET STACK FOLLOWER AND SAID GRAVITY RESPONSIVE WEIGHT, AND PNEUMATIC MEANS FOR CONTROLLING SAID GRAVITY RESPONSIVE WEIGHT TO MAINTAIN THE END SHEET OF A STACK OF SHEETS TO BE DEPOSITED AGAINST SAID STACK FOLLOWER AT SAID REFERENCE POSITION AS SAID SHEETS ARE DEPOSITED INDIVIDUALLY IN SAID STACK OF SHEETS.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |