US3332819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating conveyed sheets
Assignee: Individual
•
Filing: 1965-05-10
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Granted: 1967-07-25
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Sicmpelkamp Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:00
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/14; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2094
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
AN APPARATUS FOR CONVEYING FROM A POINT OF ORIGIN TO A DESTINATION POINT A SUCCESSION OF SHEETS OF PREDETERMINED LENGTH, SEPARATED AT SAID POINT OF ORIGIN BY NARROW GAPS, SO AS TO INCREASE THE SIZE OF SAID GAPS AT SAID DESTINATION POINT, COMPRISING A FIRST CONVEYOR AND A SECOND CONVEYOR IN END-TO-END LINE WITH SAID FIRST CONVEYOR, CONSTANTSPEED DRIVE MEANS FOR SAID FIRST CONVEYOR, VARIABLE-SPEED DRIVE MEANS FOR ADVANCING SAID SECOND CONVEYOR AT A LOW SPEED AND A HIGH SPEED, SAID LOW SPEED BEING SUBSTANTIALLY EQUAL TO THAT OF SAID FIRST CONVEYOR, SWITCH MEANS COUPLED WITH SAID VARIABLE-SPEED DRIVE MEANS FOR CHANGING FROM SAID HIGH SPEED TO SAID LOW SPEED AND VICE VERSA, SAID SECOND CONVEYOR HAVING AN INPUT END DISPLACEABLE IN THE DIRECTION OF CONVEYOR MOTION, AND CONTROL MEANS FOR RECIPROCATING SAID INPUT END BETWEEN A FIRST POSITION RELATIVELY CLOSE TO SAID POINT OF ORIGIN AND A SECOND POSITION RELATIVELY REMOTE FROM SAID POINT OF ORIGIN AT A FORWARD SPEED SUBSTANTIALLY EQUALING AID LOW SPEED AND AT A RETURN SPEED AT LEAST EQUAL TO SAID FOWARD SPEED, SAID CONTROL MEANS BEING COUPLED WITH SAID SWITCH MEANS FOR MAINTAINING SAID SECOND CONVEYOR AT SAID HIGH SPEED DURING THE FORWARD STROKE OF RECIPROCATION AND AT SAID LOW SPEED DURING THE RETURN STROKE THEREOF.
Claim 2
Independent Claim
212 words
AN APPARATUS FOR CONVEYING FROM A POINT OF ORIGIN TO A DESTINATION POINT A SUCCESSION OF SHEETS OF PREDETERMINED LENGTH, SEPARATED AT SAID POINT OF ORIGIN BY NARROW GAPS, SO AS TO INCREASE THE SIZE OF SAID GAPS AT SAID DESTINATION POINT, COMPRISING A FIRST CONVEYOR AND A SECOND CONVEYOR IN END-TO-END LINE WITH SAID FIRST CONVEYOR, CONSTANTSPEED DRIVE MEANS FOR SAID FIRST CONVEYOR, VARIABLE-SPEED DRIVE MEANS FOR ADVANCING SAID SECOND CONVEYOR AT A LOW SPEED AND A HIGH SPEED, SAID LOW SPEED BEING SUBSTANTIALLY EQUAL TO THAT OF SAID FIRST CONVEYOR, SWITCH MEANS COUPLED WITH SAID VARIABLE-SPEED DRIVE MEANS FOR CHANGING FROM SAID HIGH SPEED TO SAID LOW SPEED AND VICE VERSA, SAID SECOND CONVEYOR HAVING AN INPUT END DISPLACEABLE IN THE DIRECTION OF CONVEYOR MOTION, AND CONTROL MEANS FOR RECIPROCATING SAID INPUT END BETWEEN A FIRST POSITION RELATIVELY CLOSE TO SAID POINT OF ORIGIN AND A SECOND POSITION RELATIVELY REMOTE FROM SAID POINT OF ORIGIN AT A FORWARD SPEED SUBSTANTIALLY EQUALING AID LOW SPEED AND AT A RETURN SPEED AT LEAST EQUAL TO SAID FOWARD SPEED, SAID CONTROL MEANS BEING COUPLED WITH SAID SWITCH MEANS FOR MAINTAINING SAID SECOND CONVEYOR AT SAID HIGH SPEED DURING THE FORWARD STROKE OF RECIPROCATION AND AT SAID LOW SPEED DURING THE RETURN STROKE THEREOF.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |