Patent US3377440A successfully refreshed from Google Patents.
US3377440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocking armature receivers
Assignee: International Standard Electric Corp
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Filing: 1965-02-10
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Granted: 1968-04-09
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Roberton James Samuel Paterson
- 👤 Bradshaw Leslie Eugene Dymoke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:19
CPC Classifications
H; H04; H04R; H04R11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN ELECTROMECHANICAL VIBRATORY DEVICE COMPRISING A DRIVING MEMBER AND A DRIVEN MEMBER, RESILIENT MEANS FOR COUPLING SAID DRIVING AND DRIVEN MEMBERS, MEANS FOR FIXEDLY CONNECTING SAID RESILIENT MEANS TO SAID DRIVING MEMBER, MEANS FOR FRICTIONALLY CONNECTING SAID RESILIENT MEANS TO THE DRIVEN MEMBER, AND SAID FRICTIONAL CONNECTING MEANS HAVING A VALUE OF LIMITING FRICTION AT THE FRICTIONAL CONTACT BEING SUCH THAT THE SAID RESILIENT MEANS WILL TRANSMIT THE HIGHEST REQUIRED VIBRATORY FORCE BETWEEN THE DRIVING MEMBER AND THE DRIVEN MEMBER, BUT WILL SLIP UNDER A STATIC FORCE ALONG THE LINE OF FORCE TRANSMISSION BETWEEN THE DRIVING MEMBER AND DRIVEN MEMBER.
Claim 2
Dependent Claim
100 words
AN ELECTROMECHANICAL VIBRATORY DEVICE COMPRISING A DRIVING MEMBER AND A DRIVEN MEMBER, RESILIENT MEANS FOR COUPLING SAID DRIVING AND DRIVEN MEMBERS, MEANS FOR FIXEDLY CONNECTING SAID RESILIENT MEANS TO SAID DRIVING MEMBER, MEANS FOR FRICTIONALLY CONNECTING SAID RESILIENT MEANS TO THE DRIVEN MEMBER, AND SAID FRICTIONAL CONNECTING MEANS HAVING A VALUE OF LIMITING FRICTION AT THE FRICTIONAL CONTACT BEING SUCH THAT THE SAID RESILIENT MEANS WILL TRANSMIT THE HIGHEST REQUIRED VIBRATORY FORCE BETWEEN THE DRIVING MEMBER AND THE DRIVEN MEMBER, BUT WILL SLIP UNDER A STATIC FORCE ALONG THE LINE OF FORCE TRANSMISSION BETWEEN THE DRIVING MEMBER AND DRIVEN MEMBER.
References Cited (Backward Citations)
US1683178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |