Patent US3143792A successfully refreshed from Google Patents.
US3143792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly machine
Assignee: SWANSON ERIE CORP
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Filing: 1962-05-28
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Granted: 1964-08-11
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas L Swanson
- 👤 Chester O Merchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:37
CPC Classifications
B; B23; B23Q; B23Q39/00; B23Q39/04; B23Q39/042; B23P; B23P21/00; B23P21/004; B23P21/006; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B23Q16/065; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5136; Y10T29/5152; Y10T29/5153; Y10T74/00; Y10T74/14; Y10T74/1476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A MACHINE OF THE CLASS DESCRIBED COMPRISING A FRAME, A HOLLOW UPWARDLY EXTENDING CORE MEMBER ON SAID FRAME, SAID CORE MEMBER HAVING VERTICALLY SPACED BEARING MEANS THEREON, A FIXED INNER TABLE CIRCULAR IN SHAPE SUPPORTED AT ITS CENTER ON THE UPPER END OF SAID CORE MEMBER, SAID INNER TABLE ADAPTED TO HOLD TOOLS FOR PROCESSING WORK OR ARTICLES TO BE PROCESSED HAVING AN ANNULAR OUTSIDE PERIPHERAL SURFACE, AN ANNULAR OUTER TABLE, A SUPPORT MEMBER, SAID SUPPORT MEMBER BEING SUPPORTED ON BEARING MEANS, SAID ANNULAR TABLE BEING SUPPORTED ON SAID FRAME AND DISPOSED AROUND SAID INNER TABLE WITH SAID CORE MEMBER AT THE CENTER OF SAID TABLES, A VERTICALLY EXTENDING SHAFT, SAID SHAFT EXTENDING THROUGH SAID CORE MEMBER AND SLIDABLE VERTICALLY THEREIN, A CAM AT THE LOWER END OF SAID SHAFT ENGAGING SAID SHAFT TO MOVE IT UP AND DOWN, SPACED ROLLERS ATTACHED TO SAID SUPPORT MEMBER, AND A CROSS-OVER CAM HAVING A SPIRAL GROOVE ON ITS OUTSIDE PERIPHERAL SURFACE, SAID SPIRAL GROOVE ADVANCING EACH SAID ROLLER THERE-
Claim 2
Dependent Claim
167 words
A MACHINE OF THE CLASS DESCRIBED COMPRISING A FRAME, A HOLLOW UPWARDLY EXTENDING CORE MEMBER ON SAID FRAME, SAID CORE MEMBER HAVING VERTICALLY SPACED BEARING MEANS THEREON, A FIXED INNER TABLE CIRCULAR IN SHAPE SUPPORTED AT ITS CENTER ON THE UPPER END OF SAID CORE MEMBER, SAID INNER TABLE ADAPTED TO HOLD TOOLS FOR PROCESSING WORK OR ARTICLES TO BE PROCESSED HAVING AN ANNULAR OUTSIDE PERIPHERAL SURFACE, AN ANNULAR OUTER TABLE, A SUPPORT MEMBER, SAID SUPPORT MEMBER BEING SUPPORTED ON BEARING MEANS, SAID ANNULAR TABLE BEING SUPPORTED ON SAID FRAME AND DISPOSED AROUND SAID INNER TABLE WITH SAID CORE MEMBER AT THE CENTER OF SAID TABLES, A VERTICALLY EXTENDING SHAFT, SAID SHAFT EXTENDING THROUGH SAID CORE MEMBER AND SLIDABLE VERTICALLY THEREIN, A CAM AT THE LOWER END OF SAID SHAFT ENGAGING SAID SHAFT TO MOVE IT UP AND DOWN, SPACED ROLLERS ATTACHED TO SAID SUPPORT MEMBER, AND A CROSS-OVER CAM HAVING A SPIRAL GROOVE ON ITS OUTSIDE PERIPHERAL SURFACE, SAID SPIRAL GROOVE ADVANCING EACH SAID ROLLER THERE-
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |