Patent US3088577A successfully refreshed from Google Patents.
US3088577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article feeding mechanism
Assignee: FMC Corp
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Filing: 1962-02-19
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Granted: 1963-05-07
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Donald W Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:49
CPC Classifications
B; B65; B65G; B65G25/00; B65G25/04; B65G25/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN AN ARTICLE FEED MECHANISM OF THE TYPE IN WHICH EACH OF A PLURALITY OF PUSHER MEMBERS RECIPROCATES BETWEEN A FORWARD STATIONARY FLIGHT AND A REARWARD STATIONARY FLIGHT TO ADVANCE ARTICLES STEP BY STEP FROM A POSITION IN FRONT OF THE FORWARD EDGE OF THE REARWARD FLIGHT TO A POSITION IN FRONT OF THE FORWARD EDGE OF THE FORWARD FLIGHT, THE IMPROVEMENT WHICH COMPRISES A PAIR OF ARTICLE-PUSHING SURFACES ON THE FORWARD END OF SAID PUSHER INCLUDING A FIRST SURFACE DEFINING THE FOREMOST EDGE OF SAID PUSHER AND A SECOND SURFACE DISPOSED REARWARDLY FROM SAID FOREMOST EDGE WHEREBY WHEN ARTICLES ARE ADVANCED SIMULTANEOUSLY BY SAID FIRST AND SECOND PUSHING SURFACES, THE ARTICLE ASSOCIATED WITH SAID FIRST SURFACE WILL REACH THE EDGE OF THE FORWARD STATIONARY FLIGHT AND WILL DROP OVER SAID EDGE BEFORE THE ARTICLE BEING ADVANCE BY SAID SECOND SURFACE IS IN POSITION TO DROP OVER SAID EDGE.
Claim 2
Dependent Claim
149 words
IN AN ARTICLE FEED MECHANISM OF THE TYPE IN WHICH EACH OF A PLURALITY OF PUSHER MEMBERS RECIPROCATES BETWEEN A FORWARD STATIONARY FLIGHT AND A REARWARD STATIONARY FLIGHT TO ADVANCE ARTICLES STEP BY STEP FROM A POSITION IN FRONT OF THE FORWARD EDGE OF THE REARWARD FLIGHT TO A POSITION IN FRONT OF THE FORWARD EDGE OF THE FORWARD FLIGHT, THE IMPROVEMENT WHICH COMPRISES A PAIR OF ARTICLE-PUSHING SURFACES ON THE FORWARD END OF SAID PUSHER INCLUDING A FIRST SURFACE DEFINING THE FOREMOST EDGE OF SAID PUSHER AND A SECOND SURFACE DISPOSED REARWARDLY FROM SAID FOREMOST EDGE WHEREBY WHEN ARTICLES ARE ADVANCED SIMULTANEOUSLY BY SAID FIRST AND SECOND PUSHING SURFACES, THE ARTICLE ASSOCIATED WITH SAID FIRST SURFACE WILL REACH THE EDGE OF THE FORWARD STATIONARY FLIGHT AND WILL DROP OVER SAID EDGE BEFORE THE ARTICLE BEING ADVANCE BY SAID SECOND SURFACE IS IN POSITION TO DROP OVER SAID EDGE.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |