US3188404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary electric switch with interfitting means
Assignee: Oak Manufacturing Co
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Filing: 1962-05-29
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Granted: 1965-06-08
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Ludwig J Fichter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:38
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H19/02; H01H19/10; H01H19/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
371 words
IN A ROTARY SWITCH, A CASING HAVING FRONT AND REAR ENDS, A MOUNTING MEMBER AT SAID FRONT END, SAID MOUNTING MEMBER BEING DETACHABLY INTERLOCKED WITH SAID CASING FRONT END AGAINST ROTATION WITH RESPECT TO SAID CASING AND MOVEMENT INWARDLY OF SAID CASING, A ROTARY SWITCH OPERATING SHAFT WITHIN SAID CASING AND JOURNALLED IN AND EXTENDING OUTWARDLY FROM SAID MOUNTING MEMBER, SAID SHAFT HAVING AN INDEX PORTION INTERMEDIATE THE ENDS THEREOF, A RETAINING RING SEPARATE FROM SAID SHAFT AND RECEIVED ON SAID SHAFT IN ABUTTING RELATIONSHIP WITH SAID MEMBER TO HOLD SAID SHAFT AGAINST MOVEMENT REARWARDLY OF SAID CASING AND POSITION SAID SHAFT INDEX PORTION WITHIN SAID CASING, MEANS EFFECTIVELY PREVENTING RELATIVE ROTATION BETWEEN SAID RING AND SAID SHAFT AND RETAINING SAID RING OPERATIVELY AXIALLY FIXED ON SAID SHAFT, MEANS DEFINING POCKETS ABOUT SAID SHAFT INDEX PORTION AND STATIONARY WITH RESPECT TO SAID CASING, BALLS RELEASABLY AND NORMALLY RECEIVED IN SAID POCKETS, MEANS DISPOSING SAID BALLS IN SPACED RELAIONSHIP ABOUT SAID SHAFT INDEX PORTION AND MOUNTING SAID BALLS FOR ROTATION WITH SAID SHAFT, A THRUST MEMBER ADJACENT SAID BALLS, RESILIENT MEANS INCLUDING A SPIRAL COMPRESSION SPRING TELESCOPED ON SAID SHAFT INDEX PORTION AND SEATED AGAINST SAID THRUST MEMBER FOR URGING SAID THRUST MEMBER AGAIST SAID BALLS AND SAID BALLS INTO SAID POCKETS, AND URGING SAID SHAFT REARWARDLY OF SAID CASING TO SEAT SAID RING AGAINST SAID MOUNTING MEMBER, AN END MEMBER SEATED AGAINST THE REAR END OF SAID CASING AND HAVING A CENTRAL OPENING RECEIVING SAID SHAFT WITH AN END OF THE SHAFT EXTENDING OUTWARDLY FROM SAID END MEMBER, A SPRING WASHER RECEIVED ON SAID SHAFT OUTWARDLY OF SAID END MEMBER AND SEATED AGAINST SAID END MEMBER, A RETAINING MEMBER ON SAID SHAFT REARWARDLY OF SAID SPRING WASHER AND SEATED AGAINST SAID SPRING WASHER FOR STRESSING SAID SPRING WASHER AND RESILIENTLY URGING SAID END MEMBER AGAISNT SAID REAR END OF SAID CASING, SAID RETAINING MEMBER HAVING A FIRST COLLAR EXTENDING REARWARDLY ABOUT SAID SHAFT, AND A SECOND COLLAR EXTENDING THROUGH SAID OPENING TO CENTER SAID SHAFT RELATIVE TO SAID CASING AND ALIGN SAID BALLS WITH SAID POCKETS, AND MEANS LOCKING SAID RETAINING MEMBER ON SAID SHAFT AND INCLUDING A FLATTENED SIDE OF SAID SHAFT AND SAID FIRST COLLAR ENGAGING SAID FLATTENED SIDE.
Claim 2
Dependent Claim
371 words
IN A ROTARY SWITCH, A CASING HAVING FRONT AND REAR ENDS, A MOUNTING MEMBER AT SAID FRONT END, SAID MOUNTING MEMBER BEING DETACHABLY INTERLOCKED WITH SAID CASING FRONT END AGAINST ROTATION WITH RESPECT TO SAID CASING AND MOVEMENT INWARDLY OF SAID CASING, A ROTARY SWITCH OPERATING SHAFT WITHIN SAID CASING AND JOURNALLED IN AND EXTENDING OUTWARDLY FROM SAID MOUNTING MEMBER, SAID SHAFT HAVING AN INDEX PORTION INTERMEDIATE THE ENDS THEREOF, A RETAINING RING SEPARATE FROM SAID SHAFT AND RECEIVED ON SAID SHAFT IN ABUTTING RELATIONSHIP WITH SAID MEMBER TO HOLD SAID SHAFT AGAINST MOVEMENT REARWARDLY OF SAID CASING AND POSITION SAID SHAFT INDEX PORTION WITHIN SAID CASING, MEANS EFFECTIVELY PREVENTING RELATIVE ROTATION BETWEEN SAID RING AND SAID SHAFT AND RETAINING SAID RING OPERATIVELY AXIALLY FIXED ON SAID SHAFT, MEANS DEFINING POCKETS ABOUT SAID SHAFT INDEX PORTION AND STATIONARY WITH RESPECT TO SAID CASING, BALLS RELEASABLY AND NORMALLY RECEIVED IN SAID POCKETS, MEANS DISPOSING SAID BALLS IN SPACED RELAIONSHIP ABOUT SAID SHAFT INDEX PORTION AND MOUNTING SAID BALLS FOR ROTATION WITH SAID SHAFT, A THRUST MEMBER ADJACENT SAID BALLS, RESILIENT MEANS INCLUDING A SPIRAL COMPRESSION SPRING TELESCOPED ON SAID SHAFT INDEX PORTION AND SEATED AGAINST SAID THRUST MEMBER FOR URGING SAID THRUST MEMBER AGAIST SAID BALLS AND SAID BALLS INTO SAID POCKETS, AND URGING SAID SHAFT REARWARDLY OF SAID CASING TO SEAT SAID RING AGAINST SAID MOUNTING MEMBER, AN END MEMBER SEATED AGAINST THE REAR END OF SAID CASING AND HAVING A CENTRAL OPENING RECEIVING SAID SHAFT WITH AN END OF THE SHAFT EXTENDING OUTWARDLY FROM SAID END MEMBER, A SPRING WASHER RECEIVED ON SAID SHAFT OUTWARDLY OF SAID END MEMBER AND SEATED AGAINST SAID END MEMBER, A RETAINING MEMBER ON SAID SHAFT REARWARDLY OF SAID SPRING WASHER AND SEATED AGAINST SAID SPRING WASHER FOR STRESSING SAID SPRING WASHER AND RESILIENTLY URGING SAID END MEMBER AGAISNT SAID REAR END OF SAID CASING, SAID RETAINING MEMBER HAVING A FIRST COLLAR EXTENDING REARWARDLY ABOUT SAID SHAFT, AND A SECOND COLLAR EXTENDING THROUGH SAID OPENING TO CENTER SAID SHAFT RELATIVE TO SAID CASING AND ALIGN SAID BALLS WITH SAID POCKETS, AND MEANS LOCKING SAID RETAINING MEMBER ON SAID SHAFT AND INCLUDING A FLATTENED SIDE OF SAID SHAFT AND SAID FIRST COLLAR ENGAGING SAID FLATTENED SIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |