US3185473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double sheet detector for printing press
Assignee: Fairchild Semiconductor Corp
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Filing: 1962-06-25
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Granted: 1965-05-25
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Miaskoff Leonard
- 👤 Frederick L Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:46
CPC Classifications
B; B65; B65H; B65H7/00; B65H7/02; B65H7/06; B65H7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A SHEET FEEDING MACHINE HAVING A DRIVE SHAFT FOR TIMING A CONTROLLING THE FEED OF SHEETS, A DOUBLE SHEET DEFLECTOR APPARATUS COMPRISING, A SHEET DEFLECTOR PLATE, BELL CRANK MEANS FOR MOVING SAID PLATE BETWEEN A SHEET SUPPORTING AND A SHEET DEFLECTING POSITION, A CAM THAT IS CONTINUOUSLY ROTATED TO MOVE SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE TO A SHEET SUPPORTING POSITION, SPRING MEANS FOR URGING SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE TO A SHEET DEFLECTING POSITION, A PIVOTALLY MOUNTED DETECTOR FOOT HAVING MEANS FOR BLOCKING THE SPRING URGED MOVEMENT OF SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE, AND A SPRING FOR MAINTAINING SAID DETECTOR FOOT IN A BLOCKING POSITION WHEN A SINGLE SHEET IS FED BUT WHICH PERMITS SAID FOOT TO BE PIVOTED OUT OF BLOCKING POSITION WHEN A DOUBLE SHEET IS FED WHEREBY SAID SPRING MEANS MOVES SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE TO A SHEET DEFLECTING POSITION.
Claim 2
Dependent Claim
157 words
IN A SHEET FEEDING MACHINE HAVING A DRIVE SHAFT FOR TIMING A CONTROLLING THE FEED OF SHEETS, A DOUBLE SHEET DEFLECTOR APPARATUS COMPRISING, A SHEET DEFLECTOR PLATE, BELL CRANK MEANS FOR MOVING SAID PLATE BETWEEN A SHEET SUPPORTING AND A SHEET DEFLECTING POSITION, A CAM THAT IS CONTINUOUSLY ROTATED TO MOVE SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE TO A SHEET SUPPORTING POSITION, SPRING MEANS FOR URGING SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE TO A SHEET DEFLECTING POSITION, A PIVOTALLY MOUNTED DETECTOR FOOT HAVING MEANS FOR BLOCKING THE SPRING URGED MOVEMENT OF SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE, AND A SPRING FOR MAINTAINING SAID DETECTOR FOOT IN A BLOCKING POSITION WHEN A SINGLE SHEET IS FED BUT WHICH PERMITS SAID FOOT TO BE PIVOTED OUT OF BLOCKING POSITION WHEN A DOUBLE SHEET IS FED WHEREBY SAID SPRING MEANS MOVES SAID BELL CRANK MEANS AND SAID DEFLECTOR PLATE TO A SHEET DEFLECTING POSITION.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |