Patent US3351231A successfully refreshed from Google Patents.
US3351231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating feed plate
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1967-11-07
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Harold R Shurtleff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:43
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/06; B65G59/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN APPARATUS FOR DELIVERING AN OBJECT (201) FROM THE END OF A STACK OF OBJECTS (200) COMPRISING: A RECIPROCATING, MOVEABLE PLATE (111) HAVING FRICTIONAL MEANS (114) FOR ENGAGING THE OUTER SURFACE OF THE OBJECT (201) AND A FIXED PLATE (121A) MOUNTED ABOVE SAID MOVEABLE PLATE (111); SAID FIXED PLATE (121A) HAVING A PLURALITY OF SPACED SLOTS (121B) ALONG ONE EDGE; A PLURALITY OF POSITIONING FINGERS (124) OF VARYING SIZES BEING PIVOTALLY MOUNTED ABOVE SAID SLOTS (121B); THE DIRECTION OF MOTION OF SAID MOVEABLE PLATE (111) BEING TRANSVERSE TO SAID EDGE; AT LEAST ONE PAIR OF SAID FINGERS (124) BEING SPACED WITHIN A SELECTED PAIR OF SAID SLOTS (121B) SO THAT MOTION OF THE MOVEABLE PLATE (111) AWAY FROM THE STACK WILL CAUSE SAID OBJECT (201) TO LIFT SAID FINGERS (124) AND THEN CAUSE THEM TO DROP BACK INTO SAID SLOTS (121B) BEHIND SAID OBJECT (201) SO AS TO BLOCK REVERSE MOTION OF SAID OBJECT (201) AND HENCE CAUSE SAID OBJECT (201) TO DROP IN THE DESIRED POSITION.
Claim 2
Independent Claim
167 words
AN APPARATUS FOR DELIVERING AN OBJECT (201) FROM THE END OF A STACK OF OBJECTS (200) COMPRISING: A RECIPROCATING, MOVEABLE PLATE (111) HAVING FRICTIONAL MEANS (114) FOR ENGAGING THE OUTER SURFACE OF THE OBJECT (201) AND A FIXED PLATE (121A) MOUNTED ABOVE SAID MOVEABLE PLATE (111); SAID FIXED PLATE (121A) HAVING A PLURALITY OF SPACED SLOTS (121B) ALONG ONE EDGE; A PLURALITY OF POSITIONING FINGERS (124) OF VARYING SIZES BEING PIVOTALLY MOUNTED ABOVE SAID SLOTS (121B); THE DIRECTION OF MOTION OF SAID MOVEABLE PLATE (111) BEING TRANSVERSE TO SAID EDGE; AT LEAST ONE PAIR OF SAID FINGERS (124) BEING SPACED WITHIN A SELECTED PAIR OF SAID SLOTS (121B) SO THAT MOTION OF THE MOVEABLE PLATE (111) AWAY FROM THE STACK WILL CAUSE SAID OBJECT (201) TO LIFT SAID FINGERS (124) AND THEN CAUSE THEM TO DROP BACK INTO SAID SLOTS (121B) BEHIND SAID OBJECT (201) SO AS TO BLOCK REVERSE MOTION OF SAID OBJECT (201) AND HENCE CAUSE SAID OBJECT (201) TO DROP IN THE DESIRED POSITION.
References Cited (Backward Citations)
US537811A
Cited
US730920A
Cited
US921185A
Cited
US1246592A
Cited
US1981467A
Cited
US2253854A
Cited
US2551199A
Cited
US2443877A
Cited
US2639824A
Cited
US2620250A
Cited
US2635025A
Cited
US2738102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |