US3132904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for rollably supporting a ball
Assignee: Amagasaki Iron and Steel Manufacturing Co Ltd
•
Filing: 1962-11-13
•
Granted: 1964-05-12
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Wakamatsu Kohei
- 👤 Goto Mitsuhiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:04
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/025; F; F16; F16C; F16C29/00; F16C29/04; F16C29/045; F16C29/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A DEVICE FOR ROLLABLY SUPPORTING A BALL COMPRISING A HOUSING, A BALL DISPOSED IN SAID HOUSING TO BE SUPPORTED THEREIN, AND AT LEAST THREE THRUST BEARINGS ADAPTED TO ENGAGE THE LOWER HALF SURFACE OF SAID BALL TO SUPPORT THE BALL ABOVE THE INNER WALL OF SAID HOUSING, SAID THRUST BEARINGS EACH INCLUDING AN UPPER RACE IN CONTACT WITH SAID BALL, A LOWER RACE FIXED TO THE INNER WALL OF SAID HOUSING AND A PLURALITY OF MINOR BALLS INTERPOSED BETWEEN SAID UPPER AND LOWER RACES, THE POINTS OF CONTACT OF SAID BALL WITH THE UPPER RACES BEING OFFSET FROM THE RESPECTIVE AXES OF SAID THRUST BEARINGS IN THE SAME ANGULAR DIRECTION WITH RESPECT TO THE RESPECTIVE AXES OF SAID THRUST BEARINGS.
Claim 2
Independent Claim
120 words
A DEVICE FOR ROLLABLY SUPPORTING A BALL COMPRISING A HOUSING, A BALL DISPOSED IN SAID HOUSING TO BE SUPPORTED THEREIN, AND AT LEAST THREE THRUST BEARINGS ADAPTED TO ENGAGE THE LOWER HALF SURFACE OF SAID BALL TO SUPPORT THE BALL ABOVE THE INNER WALL OF SAID HOUSING, SAID THRUST BEARINGS EACH INCLUDING AN UPPER RACE IN CONTACT WITH SAID BALL, A LOWER RACE FIXED TO THE INNER WALL OF SAID HOUSING AND A PLURALITY OF MINOR BALLS INTERPOSED BETWEEN SAID UPPER AND LOWER RACES, THE POINTS OF CONTACT OF SAID BALL WITH THE UPPER RACES BEING OFFSET FROM THE RESPECTIVE AXES OF SAID THRUST BEARINGS IN THE SAME ANGULAR DIRECTION WITH RESPECT TO THE RESPECTIVE AXES OF SAID THRUST BEARINGS.
References Cited (Backward Citations)
US717124A
Cited
GB376740A
Cited
US2225753A
Cited
US2490879A
Cited
US2623795A
Cited
US2740154A
Cited
US2818737A
Cited
US2650865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |