Patent EP0284261A1 successfully refreshed from Google Patents.
US3142009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle control mechanism
Assignee: General Precision Inc
•
Filing: 1962-08-08
•
Granted: 1964-07-21
•
Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Warren D Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:33
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A MECHANISM FOR ANGULARLY POSITIONING A ROTATABLE MEMBER COMPRISING, A PAIR OF CIRCULAR CONCENTRIC COMMUTATORS SECURED TO SAID ROTATABLE MEMBER, A PLURALITY OF BRUSHES CONCENTRICALLY DISPOSED ABOUT SAID PAIR OF COMMUTATORS, EACH BRUSH HAVING A NORMAL POSITION SEPARATED FROM THE COMMUTATORS AND AN OPERATED POSITION BRIDGING THE PAIR OF COMMUTATORS, ACTUATING MEANS FOR SELECTING AND OPERATING ANY SELECTED ONE OF SAID BRUSHES, AN ELECTRIC MOTOR FOR ROTATING SAID ROTATABLE MEMBER, AN ELECTRIC POWER SOURCE FOR SAID MOTOR, AND MEANS CONNECTING SAID COMMUTATORS TO SAID MOTOR AND TO SAID ELECTRIC POWER SOURCE WHEREBY THE ROTATABLE MEMBER IS POSITIONED IN ACCORDANCE WITH THE SELECTION OF THE OPERATED BRUSH.
Claim 2
Dependent Claim
106 words
A MECHANISM FOR ANGULARLY POSITIONING A ROTATABLE MEMBER COMPRISING, A PAIR OF CIRCULAR CONCENTRIC COMMUTATORS SECURED TO SAID ROTATABLE MEMBER, A PLURALITY OF BRUSHES CONCENTRICALLY DISPOSED ABOUT SAID PAIR OF COMMUTATORS, EACH BRUSH HAVING A NORMAL POSITION SEPARATED FROM THE COMMUTATORS AND AN OPERATED POSITION BRIDGING THE PAIR OF COMMUTATORS, ACTUATING MEANS FOR SELECTING AND OPERATING ANY SELECTED ONE OF SAID BRUSHES, AN ELECTRIC MOTOR FOR ROTATING SAID ROTATABLE MEMBER, AN ELECTRIC POWER SOURCE FOR SAID MOTOR, AND MEANS CONNECTING SAID COMMUTATORS TO SAID MOTOR AND TO SAID ELECTRIC POWER SOURCE WHEREBY THE ROTATABLE MEMBER IS POSITIONED IN ACCORDANCE WITH THE SELECTION OF THE OPERATED BRUSH.
References Cited (Backward Citations)
US2853967A
Cited
US3039037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |