Patent US3429457A successfully refreshed from Google Patents.
US3429457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master pivot rocker assembly
Assignee: CENTRAL RESEARCH LAB Inc
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Filing: 1966-04-08
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Granted: 1969-02-25
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Carleton E Jennrich
- 👤 Lester W Haaker
- 👤 Demetrius G Jelatis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:46
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/06; G21F7/061; B; B25; B25J; B25J3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN A REMOTE CONTROL MASTER-SLAVE MANIPULATOR COMPRISING A HORIZONTAL TUBULAR SUPPORT, A MASTER ARM ASSEMBLY AND A SLAVE ARM ASSEMBLY CONNECTED TO THE RESPECTIVE ENDS OF SAID SUPPORT FOR PIVOTAL MOVEMENT OF THE MASTER AND SLAVE ARMS WITH RESPECT TO THE SUPPORT, LINK MEANS INTERCONNECTING SAID ARMS FOR CAUSING THE ARMS TO PIVOT CONJOINTLY WITH RESPECT TO THE SUPPORT, AND MEANS FOR CAUSING RELATIVE LATERAL ROTATION OF SAID SLAVE ARM OUTSIDE OF THE PLANE DEFINED BY THE LONGITUDINAL AXES OF SAID TUBULAR SUPPORT AND SAID MASTER ARM, THE IMPROVEMENT WHICH CONSISTS IN MEANS FOR DIVIDING THE LONGITUDINAL MOTION OF SAID INTERCONNECTING LINK MEANS WHEREBY, WHEN SAID SLAVE ARM IS ROTATED LATERALLY RELATIVE TO THE MASTER ARM, A LONGITUDINAL TWISTING MOTION IS IMPARTED TO ONE SEGMENT OF SAID INTERCONNECTING LINK MEANS WHICH IS CONNECTED TO SAID MASTER ARM ASSEMBLY AND THE REMAINDER OF SAID LINK MEANS EXTENDING TO SAID SLAVE ARM IS MAINTAINED FREE FROM TWISTING.
Claim 2
Dependent Claim
155 words
IN A REMOTE CONTROL MASTER-SLAVE MANIPULATOR COMPRISING A HORIZONTAL TUBULAR SUPPORT, A MASTER ARM ASSEMBLY AND A SLAVE ARM ASSEMBLY CONNECTED TO THE RESPECTIVE ENDS OF SAID SUPPORT FOR PIVOTAL MOVEMENT OF THE MASTER AND SLAVE ARMS WITH RESPECT TO THE SUPPORT, LINK MEANS INTERCONNECTING SAID ARMS FOR CAUSING THE ARMS TO PIVOT CONJOINTLY WITH RESPECT TO THE SUPPORT, AND MEANS FOR CAUSING RELATIVE LATERAL ROTATION OF SAID SLAVE ARM OUTSIDE OF THE PLANE DEFINED BY THE LONGITUDINAL AXES OF SAID TUBULAR SUPPORT AND SAID MASTER ARM, THE IMPROVEMENT WHICH CONSISTS IN MEANS FOR DIVIDING THE LONGITUDINAL MOTION OF SAID INTERCONNECTING LINK MEANS WHEREBY, WHEN SAID SLAVE ARM IS ROTATED LATERALLY RELATIVE TO THE MASTER ARM, A LONGITUDINAL TWISTING MOTION IS IMPARTED TO ONE SEGMENT OF SAID INTERCONNECTING LINK MEANS WHICH IS CONNECTED TO SAID MASTER ARM ASSEMBLY AND THE REMAINDER OF SAID LINK MEANS EXTENDING TO SAID SLAVE ARM IS MAINTAINED FREE FROM TWISTING.
References Cited (Backward Citations)
US2764301A
Cited
US2771199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |