Patent US3143003A successfully refreshed from Google Patents.
US3143003A
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US
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Counterbalance for rotary spit
Assignee: Individual
•
Filing: 1961-03-03
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Granted: 1964-08-04
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Leo J Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:23
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/041; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344; Y10T74/21; Y10T74/211; Y10T74/2114; Y10T74/2115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ADJUSTABLE APPARATUS FOR COUNTERBALANCING AN OBJECT MOUNTED ECCENTRIC OF A ROTATABLY DRIVEN SPIT COMPRISING A RING-LIKE RETAINING MEMBER ADAPTED TO SURROUND SAID SPIT, AND INCLUDING A RADIALLY ALIGNED THREADED OPENING IN ONE SIDE THEREOF, A THREADED SHAFT RECEIVED WITHIN SAID OPENING HAVING ONE END ADAPTED TO BEAR AGAINST SAID SPIT TO GRIP THE SPIT BETWEEN SAID END OF THE SHAFT AND THE INNER SURFACE OF THE RETAINING MEMBER, AND A WEIGHT IN THREADED ENGAGEMENT UPON SAID SHAFT AND MOVABLE LONGITUDINALLY THEREON, WHEREBY THE POSITION OF THE APPARATUS UPON SAID SPIT MAY BE VARIED CIRCUMFERENTIALLY AND THE WEIGHT ADJUSTED RADIALLY TO PROVIDE A BALANCED LOAD UPON SAID SPIT.
Claim 2
Dependent Claim
108 words
AN ADJUSTABLE APPARATUS FOR COUNTERBALANCING AN OBJECT MOUNTED ECCENTRIC OF A ROTATABLY DRIVEN SPIT COMPRISING A RING-LIKE RETAINING MEMBER ADAPTED TO SURROUND SAID SPIT, AND INCLUDING A RADIALLY ALIGNED THREADED OPENING IN ONE SIDE THEREOF, A THREADED SHAFT RECEIVED WITHIN SAID OPENING HAVING ONE END ADAPTED TO BEAR AGAINST SAID SPIT TO GRIP THE SPIT BETWEEN SAID END OF THE SHAFT AND THE INNER SURFACE OF THE RETAINING MEMBER, AND A WEIGHT IN THREADED ENGAGEMENT UPON SAID SHAFT AND MOVABLE LONGITUDINALLY THEREON, WHEREBY THE POSITION OF THE APPARATUS UPON SAID SPIT MAY BE VARIED CIRCUMFERENTIALLY AND THE WEIGHT ADJUSTED RADIALLY TO PROVIDE A BALANCED LOAD UPON SAID SPIT.
References Cited (Backward Citations)
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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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |