US3432708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable brush assembly
Assignee: General Electric Co
•
Filing: 1966-10-19
•
Granted: 1969-03-11
•
Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Alexander F Bissett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:05
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R39/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DYNAMOELECTRIC MACHINE BRUSH MOUNTING DEVICE INCLUDING: A STATIONARY BACKPLATE MOUNTED IN A FIXED POSITION RELATIVE TO SAID MACHINE, A BRUSH ASSEMBLY REMOVABLY FITTED TO SAID BACKPLATE, AND A HANDLE, SAID BACKPLATE AND SAID BRUSH ASSEMBLY BEING DOVETAILED TO EACH OTHER FOR INSERTION AND REMOVAL IN A FIRST DIRECTION, SAID BACKPLATE AND SAID BRUSH ASSEMBLY DEFINING HOLES IN SAID FIRST DIRECTION WHICH HOLES ARE IN A REGISTRY WHEN SAID BRUSH ASSEMBLY IS DOVETAILED TO SAID BACKPLATE, THE HOLE IN SAID BACKPLATE BEING ELONGATED, A SPINDLE MEMBER HAVING A CROSSPIECE AT ONE END THEREOF, SAID CROSSPIECE BEING SHORTER THAN THE LARGEST DIMENSIONS OF THE HOLE IN SAID BACKPLATE AND LONGER THAN THE SMALLEST DIMENSION OF THE HOLE IN SAID BACKPLATE, A FLANGED HOLLOW CYLINDER MOUNTED ON THE OTHER END OF SAID SPINDLE, A COMPRESSION SPRING EXTENDING BETWEEN SAID FLANGE AND SAID BRUSH ASSEMBLY, SAID HANDLE REMOVABLY FIXED RELATIVE TO SAID HOLLOW CYLINDER.
Claim 2
Dependent Claim
151 words
A DYNAMOELECTRIC MACHINE BRUSH MOUNTING DEVICE INCLUDING: A STATIONARY BACKPLATE MOUNTED IN A FIXED POSITION RELATIVE TO SAID MACHINE, A BRUSH ASSEMBLY REMOVABLY FITTED TO SAID BACKPLATE, AND A HANDLE, SAID BACKPLATE AND SAID BRUSH ASSEMBLY BEING DOVETAILED TO EACH OTHER FOR INSERTION AND REMOVAL IN A FIRST DIRECTION, SAID BACKPLATE AND SAID BRUSH ASSEMBLY DEFINING HOLES IN SAID FIRST DIRECTION WHICH HOLES ARE IN A REGISTRY WHEN SAID BRUSH ASSEMBLY IS DOVETAILED TO SAID BACKPLATE, THE HOLE IN SAID BACKPLATE BEING ELONGATED, A SPINDLE MEMBER HAVING A CROSSPIECE AT ONE END THEREOF, SAID CROSSPIECE BEING SHORTER THAN THE LARGEST DIMENSIONS OF THE HOLE IN SAID BACKPLATE AND LONGER THAN THE SMALLEST DIMENSION OF THE HOLE IN SAID BACKPLATE, A FLANGED HOLLOW CYLINDER MOUNTED ON THE OTHER END OF SAID SPINDLE, A COMPRESSION SPRING EXTENDING BETWEEN SAID FLANGE AND SAID BRUSH ASSEMBLY, SAID HANDLE REMOVABLY FIXED RELATIVE TO SAID HOLLOW CYLINDER.
References Cited (Backward Citations)
US1465709A
Cited
US3387155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |