Method of manufacturing rotary switch rotor contact members
Abstract
Abstract THE PRODUCTION OF ROTARY SWITCH ROTOR CONTACT MEMBERS WHEREIN A STRIP OF METAL POTENTIALLY DIVISIBLE INTO A SERIES OF SUCCESSIVE SECTIONS IS FED INTERMITTENTLY, STEP BY STEP, IN ONE DIRECTION ALONG A FIXED LINE OF TRAVEL TO PRODUCE FROM EACH SECTION A FLAT BAND AND A FLAT TRUNK IN RELATION TO WHICH SAID BAND DEFINES A PAIR OF BRANCHES EXTENDING IN OPPOSITE DIRECTIONS AT RIGHT ANGLES TO THE LINE OF TRAVEL OF THE STRIP AND INTEGRAL FINGERS EXTENDING IN OPPOSITE DIRECTIONS FROM SAID BRANCHES IN PAIRED ALIGNED RELATION LENGTHWISE OF SAID LINE OF TRAVEL ARE BENT INTO CONTACT JAW FORMING RELATION AND THE BRANCHES ARE THEREOUPON CURVED ABOUT THE ARC OF A CIRCLE TO THEREBY POSITION SAID JAWS IN RADIALLY OUTWARD RELATION TO THE CONVEX SIDE OF SAID BRANCHES IN SELECTED SPACED APART RELATION CIRCUMFERENTIALLY OF THE ARC OF CURVATURE OF SAID BRANCHES, AND THEREUPON SEVERING THE LEADING SECTION OF THE STRIP FROM THE SECTIONS OF THE STRIP IN TRAILING RELATION THERETO.
Inventors
- 👤 Kenneth C Allison
Bibliographic Details
Claims Analysis
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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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |