US3299225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary switch with improved contact structure and camming means
Assignee: United Carr Inc
•
Filing: 1966-03-09
•
Granted: 1967-01-17
•
Expires: 1986-03-09
Abstract
No abstract record available.
Inventors
- 👤 Heath Clarence Willans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:55
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A ROTARY ELECTRICAL SWITCH COMPRISING A ROTATABLE CAM, MOUNTED IN A CASING, AT LEAST ONE CONTACT ARM PIVOTALLY MOUNTED, AT ONE END, IN SAID CASING, THE OPPOSITE END BEING PROVIDED WITH AN ELECTRICAL CONTACT FOR ENGAGEMENT WITH A FIXED CONTACT, SAID CONTACT ARM ENGAGEABLE BY SAID CAM SO AS TO BE DISPLACEABLE THEREBY TO POSITION SAID ELECTRICAL CONTACT INTO AND OUT OF ENGAGEMENT WITH SAID FIXED ELECTRICAL CONTACT, SPRING MEANS ENCLOSED IN A FLEXIBLE HOUSING OF INSULATING MATERIAL PROVIDED ADJACENT THE PIVOT END OF SAID ARM TO URGE AN INTERMEDIATE PORTION OF SAID ARM INTO ENGAGEMENT WITH SAID CAM, THE ACTION OF SAID SPRING MEANS BEING TRANSMITTED THROUGH SAID HOUSING TO SAID ARM.
Claim 2
Dependent Claim
113 words
A ROTARY ELECTRICAL SWITCH COMPRISING A ROTATABLE CAM, MOUNTED IN A CASING, AT LEAST ONE CONTACT ARM PIVOTALLY MOUNTED, AT ONE END, IN SAID CASING, THE OPPOSITE END BEING PROVIDED WITH AN ELECTRICAL CONTACT FOR ENGAGEMENT WITH A FIXED CONTACT, SAID CONTACT ARM ENGAGEABLE BY SAID CAM SO AS TO BE DISPLACEABLE THEREBY TO POSITION SAID ELECTRICAL CONTACT INTO AND OUT OF ENGAGEMENT WITH SAID FIXED ELECTRICAL CONTACT, SPRING MEANS ENCLOSED IN A FLEXIBLE HOUSING OF INSULATING MATERIAL PROVIDED ADJACENT THE PIVOT END OF SAID ARM TO URGE AN INTERMEDIATE PORTION OF SAID ARM INTO ENGAGEMENT WITH SAID CAM, THE ACTION OF SAID SPRING MEANS BEING TRANSMITTED THROUGH SAID HOUSING TO SAID ARM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |