US3284734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-delay relay with axially aligned poles
Assignee: Individual
•
Filing: 1964-07-09
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Granted: 1966-11-08
•
Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 Schleicher Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:14
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/06; G04F8/00; G04F8/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A TIME-DELAY RELAY COMPRISING DRIVE MEANS, A FIRST POLE MEMBER POSITIVELY COUPLED WITH SAID DRIVE MEANS FOR ROTARY ENTRAINMENT THEREBY, A SECOND POLE MEMBER COAXIAL WITH SAID FIRST POLE MEMBER AXIALLY ADJOINING SAME, ELECTROMAGNETIC COIL MEANS SURROUNDING CONFRONTING EXTREMITIES OF SAID MEMBERS WHEREBY SAID MEMBERS ARE MAGNETICALLY COUPLED FOR JOINT ROTATION UPON ENERGIZATION OF SAID COIL MEANS, AN ACTUATING ELEMENT POSITIVELY CONNECTED WITH SAID SECOND MEMBER FOR DISPLACEMENT THEREBY FROM THE NORMAL POSITION INTO AN OFF-NORMAL POSITION FOR THE CLOSURE OF AN EXTERNAL CIRCUIT UPON ENERGIZATION OF SAID COIL MEANS, RESTORING MEANS EFFECTIVE UPON DE-ENERGIZATION OF SAID COIL MEANS FOR RETURNING SAID SECOND MEMBER TO SAID NORMAL POSITION, AND AN ABRASION-RESISTANT NONMAGNETIC COATING ON ONE OF SAID CONFRONTING EXTREMITIES AND IN CONSTANT CONTACT WITH THE OTHER OF SAID EXTREMITIES FOR MAINTAINING THE EXTREMITIES AT A PRECISELY DEFINED AXIAL DISTANCE.
Claim 2
Dependent Claim
139 words
A TIME-DELAY RELAY COMPRISING DRIVE MEANS, A FIRST POLE MEMBER POSITIVELY COUPLED WITH SAID DRIVE MEANS FOR ROTARY ENTRAINMENT THEREBY, A SECOND POLE MEMBER COAXIAL WITH SAID FIRST POLE MEMBER AXIALLY ADJOINING SAME, ELECTROMAGNETIC COIL MEANS SURROUNDING CONFRONTING EXTREMITIES OF SAID MEMBERS WHEREBY SAID MEMBERS ARE MAGNETICALLY COUPLED FOR JOINT ROTATION UPON ENERGIZATION OF SAID COIL MEANS, AN ACTUATING ELEMENT POSITIVELY CONNECTED WITH SAID SECOND MEMBER FOR DISPLACEMENT THEREBY FROM THE NORMAL POSITION INTO AN OFF-NORMAL POSITION FOR THE CLOSURE OF AN EXTERNAL CIRCUIT UPON ENERGIZATION OF SAID COIL MEANS, RESTORING MEANS EFFECTIVE UPON DE-ENERGIZATION OF SAID COIL MEANS FOR RETURNING SAID SECOND MEMBER TO SAID NORMAL POSITION, AND AN ABRASION-RESISTANT NONMAGNETIC COATING ON ONE OF SAID CONFRONTING EXTREMITIES AND IN CONSTANT CONTACT WITH THE OTHER OF SAID EXTREMITIES FOR MAINTAINING THE EXTREMITIES AT A PRECISELY DEFINED AXIAL DISTANCE.
References Cited (Backward Citations)
US1597851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |