Patent US3225941A successfully refreshed from Google Patents.
US3225941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic assembling or transferring units
Assignee: Hill Rockford Co
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Filing: 1963-11-18
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Granted: 1965-12-28
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Robert E Slattery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:33
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/001; B23P19/007; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/105; B23Q; B23Q7/00; B23Q7/04; B23Q2707/00; B23Q2707/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18008; Y10T74/18888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A MECHANICAL MOVEMENT, THE COMBINATION OF A STATIONARY TUBULAR CAM HAVING A CYLINDRICAL BORE THEREIN AND A GENERALLY U-SHAPED CAM SLOT PROVIDED IN THE WALL THEREOF, A PLUNGER RECIPROCABLE AND OSCILLATABLE IN SAID BORE HAVING A FOLLOWER PIN PROJECTING RADIALLY THEREFROM AND GUIDED IN SAID SLOT PREDETERMINING THE OSCILLATION OF SAID PLUNGER IN RELATION TO ITS RECIPROCATION, THE TWO LEGS OF THE U-SLOT CONVERGING TOWARD A MIDPOINT TOWARD WHICH THE FOLLOWER PIN MOVES AT THE END OF EACH STROKE IN THAT DIRECTION, MEANS FOR TRANSMITTING RECIPROCATORY MOVEMENT TO THE PLUNGER, AND MEANS OPERATED IN TIMED RELATION TO THE LAST MENTIONED MEANS FOR DIRECTING SAID PIN LATERALLY FROM THE MIDPOINT FIRST INTO ONE LEG OF THE U-SLOT AND THEN INTO THE OTHER LEG ALTERNATELY WHEN THE PIN AT THE END OF EACH STROKE OF THE PLUNGER REACHES THE MIDPOINT.
Claim 2
Dependent Claim
139 words
IN A MECHANICAL MOVEMENT, THE COMBINATION OF A STATIONARY TUBULAR CAM HAVING A CYLINDRICAL BORE THEREIN AND A GENERALLY U-SHAPED CAM SLOT PROVIDED IN THE WALL THEREOF, A PLUNGER RECIPROCABLE AND OSCILLATABLE IN SAID BORE HAVING A FOLLOWER PIN PROJECTING RADIALLY THEREFROM AND GUIDED IN SAID SLOT PREDETERMINING THE OSCILLATION OF SAID PLUNGER IN RELATION TO ITS RECIPROCATION, THE TWO LEGS OF THE U-SLOT CONVERGING TOWARD A MIDPOINT TOWARD WHICH THE FOLLOWER PIN MOVES AT THE END OF EACH STROKE IN THAT DIRECTION, MEANS FOR TRANSMITTING RECIPROCATORY MOVEMENT TO THE PLUNGER, AND MEANS OPERATED IN TIMED RELATION TO THE LAST MENTIONED MEANS FOR DIRECTING SAID PIN LATERALLY FROM THE MIDPOINT FIRST INTO ONE LEG OF THE U-SLOT AND THEN INTO THE OTHER LEG ALTERNATELY WHEN THE PIN AT THE END OF EACH STROKE OF THE PLUNGER REACHES THE MIDPOINT.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |