US3175418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch actuating device
Assignee: Franklin Electric Co Inc
•
Filing: 1962-10-18
•
Granted: 1965-03-30
•
Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:44
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/14; H01H19/18; H01H19/186; H01H19/54; H01H19/60; H01H19/63; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688; Y10T74/21; Y10T74/2101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
SWITCH ACTUATING MEANS FOR USE IN A CONTROL SYSTEM FOR A DRIVE UNIT FOR A DRIVEN DEVICE, COMPRISING AN EXTERNALLY THREADED MEMBE ADAPTED TO BE CONNECTED TO THE DRIVE UNIT AND BE ROTATED AS THE DRIVE UNIT DRIVES SAID DEVICE, A NUT THREADED ON SAID MEMBER, MEANS ENGAGING SAID NUT AND PERMITTING AXIAL MOVEMENT OF SAID NUT DUE TO THE ROTATION OF SAID MEMBER, SAID MEANS PREVENTING ROTATION OF SAID NUT AS SAID MEMBER IS ROTATED IN ONE DIRECTION BUT PERMITTING ROTATION OF SAID NUT THROUGH A PREDETERMINED ARC WHEN SAID MEMBER IS ROTATED IN THE OTHER DIRECTIONK AND AN ACTUATOR FOR A SWITCH POSITIONED TO BE ENGAGED BY SAID NUT WHEN SAID MEMBER IS ROTATED IN SAID ONE DIRECTION A PREDETERMINED AMOUNT, SAID ROTATION CAUSING SAID NUT TO MOVE AXIALLY TOWARD AND ENGAGE AND DISPLACE SAID SWITCH ACTUATOR, SAID NUT HAVING MEANS FOR INCREASING THE DISPLACEMENT OF SAID SWITCH ACTUATOR ON ROTATION OF SAID NUT IN SAID OTHER DIRECTION THROUGH SAID PREDETERMINED ARC.
Claim 2
Dependent Claim
164 words
SWITCH ACTUATING MEANS FOR USE IN A CONTROL SYSTEM FOR A DRIVE UNIT FOR A DRIVEN DEVICE, COMPRISING AN EXTERNALLY THREADED MEMBE ADAPTED TO BE CONNECTED TO THE DRIVE UNIT AND BE ROTATED AS THE DRIVE UNIT DRIVES SAID DEVICE, A NUT THREADED ON SAID MEMBER, MEANS ENGAGING SAID NUT AND PERMITTING AXIAL MOVEMENT OF SAID NUT DUE TO THE ROTATION OF SAID MEMBER, SAID MEANS PREVENTING ROTATION OF SAID NUT AS SAID MEMBER IS ROTATED IN ONE DIRECTION BUT PERMITTING ROTATION OF SAID NUT THROUGH A PREDETERMINED ARC WHEN SAID MEMBER IS ROTATED IN THE OTHER DIRECTIONK AND AN ACTUATOR FOR A SWITCH POSITIONED TO BE ENGAGED BY SAID NUT WHEN SAID MEMBER IS ROTATED IN SAID ONE DIRECTION A PREDETERMINED AMOUNT, SAID ROTATION CAUSING SAID NUT TO MOVE AXIALLY TOWARD AND ENGAGE AND DISPLACE SAID SWITCH ACTUATOR, SAID NUT HAVING MEANS FOR INCREASING THE DISPLACEMENT OF SAID SWITCH ACTUATOR ON ROTATION OF SAID NUT IN SAID OTHER DIRECTION THROUGH SAID PREDETERMINED ARC.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |