US3296876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch actuator unit
Assignee: United Carr Inc
•
Filing: 1964-04-20
•
Granted: 1967-01-10
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Fernberg Paul Carl Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:23
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/10; H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/74; H01H3/00; H01H3/32; H01H3/36; H01H3/46; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/32; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/20; Y10T74/20207; Y10T74/20213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A TWO WAY SWITCH ACTUATOR COMPRISING A LINK PIVOTED INTERMEDIATE ITS LENGTH FOR LIMITED ROTATION ON A SUPPORT, A SPRING AND A FIXED MEMBER, IN WHICH THE SPRING IS ATTACHED BETWEEN THE LINK AND THE FIXED MEMBER TO EXERT A PERMANENT ROTATIONAL FORCE ON THE LINK IN ONE OR OTHER ROTATIONAL DIRECTION TO EITHER SIDE OF A DEAD CENTRE POSITION, AN ACTUATING MEMBER ATTACHED TO EACH END TO THE LINK, SAID ACTUATING MEMBERS COMPRISING TWO SHAFTS ARRANGED IN PARALLEL RELATIONSHIP AND CONSTRAINED FOR LENGTHWISE MOVEMENTS ALONG THEIR OWN AXES AND OPERABLE TO ROTATE THE LINK AGAINST SAID SUPPORT HAVING TWO PARALLEL SLOTS RUNNING LENGTHWISE OF THE DIRECTION OF MOVEMENT OF THE SHAFT AND A PIN PIVOTALLY CONNECTING EACH SHAFT TO THE LINK AND EXTENDING THROUGH A SLOT IN SAID SUPPORT FOR SLIDING MOVEMENT THEREALONG, EACH PIN HAVING AN AXIAL BORE AND A CABLE ENGAGED IN SAID AXIAL BORE IN EACH PIN FOR MOVEMENT IN RESPONSE TO ROTATIONAL MOVEMENT OF THE LINK.
Claim 2
Dependent Claim
161 words
A TWO WAY SWITCH ACTUATOR COMPRISING A LINK PIVOTED INTERMEDIATE ITS LENGTH FOR LIMITED ROTATION ON A SUPPORT, A SPRING AND A FIXED MEMBER, IN WHICH THE SPRING IS ATTACHED BETWEEN THE LINK AND THE FIXED MEMBER TO EXERT A PERMANENT ROTATIONAL FORCE ON THE LINK IN ONE OR OTHER ROTATIONAL DIRECTION TO EITHER SIDE OF A DEAD CENTRE POSITION, AN ACTUATING MEMBER ATTACHED TO EACH END TO THE LINK, SAID ACTUATING MEMBERS COMPRISING TWO SHAFTS ARRANGED IN PARALLEL RELATIONSHIP AND CONSTRAINED FOR LENGTHWISE MOVEMENTS ALONG THEIR OWN AXES AND OPERABLE TO ROTATE THE LINK AGAINST SAID SUPPORT HAVING TWO PARALLEL SLOTS RUNNING LENGTHWISE OF THE DIRECTION OF MOVEMENT OF THE SHAFT AND A PIN PIVOTALLY CONNECTING EACH SHAFT TO THE LINK AND EXTENDING THROUGH A SLOT IN SAID SUPPORT FOR SLIDING MOVEMENT THEREALONG, EACH PIN HAVING AN AXIAL BORE AND A CABLE ENGAGED IN SAID AXIAL BORE IN EACH PIN FOR MOVEMENT IN RESPONSE TO ROTATIONAL MOVEMENT OF THE LINK.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |