US3185304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft lock for a food processing device
Assignee: John Oster Manufacturing Co
•
Filing: 1962-06-14
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Granted: 1965-05-25
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Bradley Addison Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
A; A47; A47J; A47J19/00; A47J19/02; A47J19/027; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5646
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
IN COMBINATION, A SHAFT, A HUB FOR ROTATABLY SUPPORTING SAID SHAFT, AND A LOCK FOR LOCKING SAID SHAFT AGAINST ROTATION, SAID SHAFT LOCK COMPRISING A LEVER WHICH IS PIVOTALLY MOUNTED ADJACENT SAID HUB FOR SWINGING MOVEMENT TOWARD AND AWAY FROM SAID HUB IN A PLANE PERPENDICULAR THERETO, AND MEANS MOUNTING SAID LEVER FOR MOVEMENT BODILY IN A DIRECTION PARALLEL TO SAID HUB AND BEYOND ONE END THEREOF FOR ENGAGEMENT WITH AN EXPOSED PORTION OF THE SHAFT ADJACENT THERETO.
Claim 2
Dependent Claim
78 words
IN COMBINATION, A SHAFT, A HUB FOR ROTATABLY SUPPORTING SAID SHAFT, AND A LOCK FOR LOCKING SAID SHAFT AGAINST ROTATION, SAID SHAFT LOCK COMPRISING A LEVER WHICH IS PIVOTALLY MOUNTED ADJACENT SAID HUB FOR SWINGING MOVEMENT TOWARD AND AWAY FROM SAID HUB IN A PLANE PERPENDICULAR THERETO, AND MEANS MOUNTING SAID LEVER FOR MOVEMENT BODILY IN A DIRECTION PARALLEL TO SAID HUB AND BEYOND ONE END THEREOF FOR ENGAGEMENT WITH AN EXPOSED PORTION OF THE SHAFT ADJACENT THERETO.
Claim 3
Dependent Claim
172 words
IN A JUICER COMPRISING A VERTICAL SHAFT AND A PERFORATE JUICE EXTRACTING BASKET THREADABLY CONNECTED TO THE UPPER END OF SAID SHAFT, A SUPPORT FOR SAID JUICER COMPRISING AN INNER HUB FOR SAID SHAFT, AN OUTER SPACED MOUNTING COLLAR, AND AN INTEGRAL WEB INTERCONNECTING THE UPPER ENDS OF SAID HUB AND COLLAR, AND A SHAFT LOCK DISPOSED IN THE SPACE DEFINED BETWEEN SAID HUB, COLLAR AND WEB, SAID SHAFT LOCK COMPRISING A DEPENDING BOSS FORMED INTEGRALLY WITH SAID WEB, A PIVOT PIN MOUNTED IN SAID BOSS, SAID PIN EXTENDING PARALLEL TO SAID HUB, A LEVER, AN OUTER END OF SAID LEVER BEING PIVOTALLY AND SLIDABLY MOUNTED ON SAID PIN, A SPRING ON SAID PIN BIASING SAID LEVER FOR SLIDING MOVEMENT TOWARD THE UPPER END OF SAID SHAFT, AND MEANS ON THE INNER END OF SAID LEVER AND THE LOWER END OF SAID SHAFT WHICH ARE INTERLOCKABLY ENGAGEABLE WITH EACH OTHER WHEN SAID LEVER IS MOVED DOWN AGAINST ITS SPRING BIAS BEYOND THE LOWER END OF THE HUB AND PIVOTED TOWARD THE SHAFT.
Claim 4
Dependent Claim
172 words
IN A JUICER COMPRISING A VERTICAL SHAFT AND A PERFORATE JUICE EXTRACTING BASKET THREADABLY CONNECTED TO THE UPPER END OF SAID SHAFT, A SUPPORT FOR SAID JUICER COMPRISING AN INNER HUB FOR SAID SHAFT, AN OUTER SPACED MOUNTING COLLAR, AND AN INTEGRAL WEB INTERCONNECTING THE UPPER ENDS OF SAID HUB AND COLLAR, AND A SHAFT LOCK DISPOSED IN THE SPACE DEFINED BETWEEN SAID HUB, COLLAR AND WEB, SAID SHAFT LOCK COMPRISING A DEPENDING BOSS FORMED INTEGRALLY WITH SAID WEB, A PIVOT PIN MOUNTED IN SAID BOSS, SAID PIN EXTENDING PARALLEL TO SAID HUB, A LEVER, AN OUTER END OF SAID LEVER BEING PIVOTALLY AND SLIDABLY MOUNTED ON SAID PIN, A SPRING ON SAID PIN BIASING SAID LEVER FOR SLIDING MOVEMENT TOWARD THE UPPER END OF SAID SHAFT, AND MEANS ON THE INNER END OF SAID LEVER AND THE LOWER END OF SAID SHAFT WHICH ARE INTERLOCKABLY ENGAGEABLE WITH EACH OTHER WHEN SAID LEVER IS MOVED DOWN AGAINST ITS SPRING BIAS BEYOND THE LOWER END OF THE HUB AND PIVOTED TOWARD THE SHAFT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |