← Back to Patent Explorer
US3218406A Expired / Lapsed US ⏱️ 0.0 years remaining

Cross-over reed relay

Assignee: Automatic Electric Laboratories Inc
•
Filing: 1962-10-09
•
Granted: 1965-11-16
•
Expires: 1982-10-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert J Gomperts
  • 👤 Leo M Sprengers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:51
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/284; H01H1/00; H01H1/12; H01H1/14; H01H1/24; H01H2001/247; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 212 words
AN ELECTROMAGNETIC DEVICE COMPRISING: A SEALED ELONGATED ENVELOPE HAVING TWO ENDS; A FIRST REED AND A SECOND REED ARRANGED SUBSTANTIALLY IN PARALLEL AND EXTENDING THROUGH ONE END OF SAID ENVELOPE, EACH OF SAID REEDS PROVIDING A TERMINAL PORTION OUTSIDE OF SAID ENVELOPE AND A FREE END PORTION INSIDE OF SAID ENVELOPE; A THIRD REED SUPPORTED AT THE OPPOSITE END OF SAID ENVELOPE, SAID REED BEING POSITIONED SO THAT THE LONGITUDINAL AXIS THEREOF LIES SUBSTANTIALLY COINCIDENT WITH THE AXIS OF SAID FIRST REED, SAID REED ALSO PROVIDING A TERMINAL APORTION OUTSIDE OF SAID ENVELOPE AND A CONTACT END PORTION INSIDE OF SAID ENVELOPE; AN ARMATURE ELEMENT PIVOTALLY MOUNTED TO SAID FREE END PORTION OF SAID FIRST REED AND HAVING AN END OFFSET WITH RESPECT TO SAID LONGITUDINAL AXIS OF SAID FIRST REED WHICH NORMALLY LIES IN A SPACED AND OPERATIVE RELATIONSHIP TO SAID CONTACT END PORTION; A PERMANENT MAGNET POSITIONED WITHIN SAID ENVELOPE AND CARRIED BY SAID SECOND REED AND PRODUCING A MAGNETIC FIELD WHICH HOLDS SAID ARMATURE ELEMENT IN ENGAGEMENT THEREWITH; AND WINDING MEANS SUPPORTED BY SAID ENVELOPE WHICH UPON BEING ENERGIZED PRODUCES A MAGNETIC FIELD WHICH OVERCOMES THE FLUX OF SAID PERMANENT MAGNET AND MOVES SAID ARMATURE ELEMENT AWAY FROM SAID PERMANENT MAGNET AND INTO ENGAGEMENT WITH SAID CONTACT END PORTION.
Claim 2
Dependent Claim 212 words
AN ELECTROMAGNETIC DEVICE COMPRISING: A SEALED ELONGATED ENVELOPE HAVING TWO ENDS; A FIRST REED AND A SECOND REED ARRANGED SUBSTANTIALLY IN PARALLEL AND EXTENDING THROUGH ONE END OF SAID ENVELOPE, EACH OF SAID REEDS PROVIDING A TERMINAL PORTION OUTSIDE OF SAID ENVELOPE AND A FREE END PORTION INSIDE OF SAID ENVELOPE; A THIRD REED SUPPORTED AT THE OPPOSITE END OF SAID ENVELOPE, SAID REED BEING POSITIONED SO THAT THE LONGITUDINAL AXIS THEREOF LIES SUBSTANTIALLY COINCIDENT WITH THE AXIS OF SAID FIRST REED, SAID REED ALSO PROVIDING A TERMINAL APORTION OUTSIDE OF SAID ENVELOPE AND A CONTACT END PORTION INSIDE OF SAID ENVELOPE; AN ARMATURE ELEMENT PIVOTALLY MOUNTED TO SAID FREE END PORTION OF SAID FIRST REED AND HAVING AN END OFFSET WITH RESPECT TO SAID LONGITUDINAL AXIS OF SAID FIRST REED WHICH NORMALLY LIES IN A SPACED AND OPERATIVE RELATIONSHIP TO SAID CONTACT END PORTION; A PERMANENT MAGNET POSITIONED WITHIN SAID ENVELOPE AND CARRIED BY SAID SECOND REED AND PRODUCING A MAGNETIC FIELD WHICH HOLDS SAID ARMATURE ELEMENT IN ENGAGEMENT THEREWITH; AND WINDING MEANS SUPPORTED BY SAID ENVELOPE WHICH UPON BEING ENERGIZED PRODUCES A MAGNETIC FIELD WHICH OVERCOMES THE FLUX OF SAID PERMANENT MAGNET AND MOVES SAID ARMATURE ELEMENT AWAY FROM SAID PERMANENT MAGNET AND INTO ENGAGEMENT WITH SAID CONTACT END PORTION.

References Cited (Backward Citations)

US2535400A Cited
US2706756A Cited
US2957961A Cited
US2898422A Cited
US3117202A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag