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US3418661A
Expired / Lapsed
US
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Prosthetic hand for controlled actuation by electromyogram signals
Assignee: National Research Development Corp UK
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Filing: 1966-03-29
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Granted: 1968-12-31
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Expires: 1986-03-29
Abstract
No abstract record available.
Inventors
- 👤 Allison Ronald
- 👤 Jilbert Phillip Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:32
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/68; A61F2/70; A61F2/72; A61F2/54; A61F2/58; A61F2/583; A61F2002/6827; A61F2002/701; A61F2/76; A61F2002/7615; A61F2002/7635
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ARTIFICIAL HAND COMPRISING A FRAME SUPPORTING AT LEAST ONE GRIPPING MEMBER MOUNTED TO BE MOVABLE RELATIVE TO THE FRAME FOR CONTACTING AN OBJECT, DRIVE MEANS COMPRISING A REVERSIBLE ELECTRIC MOTOR MOUNTED RIGIDLY ON SAID FRAME, ROD MEANS CONNECTED SAID GRIPPING MEMBER, MEANS FOR CAUSING ROTARY MOTION OF THE MOTOR TO BE CONVERTED INTO LONGITUDINAL MOTION OF SAID ROD MEANS CONNECTED TO MOVE SAID MEMBER, AND FORCE FEEDBACK SIGNAL GENERATING MEANS COMPRISING STRAIN GAUGE MEANS MOUNTED ON SAID ROD MEANS FOR PROVIDING A SIGNAL CORRESPONDING TO THE LONGITUDINAL STRESS IN THE ROD MEANS.
Claim 2
Dependent Claim
93 words
AN ARTIFICIAL HAND COMPRISING A FRAME SUPPORTING AT LEAST ONE GRIPPING MEMBER MOUNTED TO BE MOVABLE RELATIVE TO THE FRAME FOR CONTACTING AN OBJECT, DRIVE MEANS COMPRISING A REVERSIBLE ELECTRIC MOTOR MOUNTED RIGIDLY ON SAID FRAME, ROD MEANS CONNECTED SAID GRIPPING MEMBER, MEANS FOR CAUSING ROTARY MOTION OF THE MOTOR TO BE CONVERTED INTO LONGITUDINAL MOTION OF SAID ROD MEANS CONNECTED TO MOVE SAID MEMBER, AND FORCE FEEDBACK SIGNAL GENERATING MEANS COMPRISING STRAIN GAUGE MEANS MOUNTED ON SAID ROD MEANS FOR PROVIDING A SIGNAL CORRESPONDING TO THE LONGITUDINAL STRESS IN THE ROD MEANS.
References Cited (Backward Citations)
SU163718A1
Cited
US3026534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |