Patent US3128400A successfully refreshed from Google Patents.
US3128400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch mechanism
Assignee: Ingersoll Rand Co
•
Filing: 1961-07-13
•
Granted: 1964-04-07
•
Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hornschuch Hanns
- 👤 Jack R Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:08
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/10; H02K49/104; H02K49/108; B; B25; B25B; B25B21/00; B25B21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN INTERMITTENTLY ENGAGEABLE CLUTCH COMPRISING A ROTATABLE DRIVING MEMBER, A ROTATABLE DRIVEN MEMBER COAXIAL THEREWITH, A SET OF JAWS ON EACH OF SAID MEMBERS MUTUALLY ENGAGEABLE TO COUPLE SAID MEMBERS, THE SET OF JAWS ON SAID DRIVING MEMBER BEING MOVABLE WITH RESPECT THERETO TO EFFECT ENGAGEMENT AND DISENGAGEMENT WITH THE OTHER SET OF JAWS, MAGNETIC MEANS TO URGE THE MOVABLE JAWS PERIODICALLY INTO ENGAGEMENT, AND RESILIENT MEANS TO SEPARATE SAID SETS OF JAWS.
Claim 2
Dependent Claim
73 words
AN INTERMITTENTLY ENGAGEABLE CLUTCH COMPRISING A ROTATABLE DRIVING MEMBER, A ROTATABLE DRIVEN MEMBER COAXIAL THEREWITH, A SET OF JAWS ON EACH OF SAID MEMBERS MUTUALLY ENGAGEABLE TO COUPLE SAID MEMBERS, THE SET OF JAWS ON SAID DRIVING MEMBER BEING MOVABLE WITH RESPECT THERETO TO EFFECT ENGAGEMENT AND DISENGAGEMENT WITH THE OTHER SET OF JAWS, MAGNETIC MEANS TO URGE THE MOVABLE JAWS PERIODICALLY INTO ENGAGEMENT, AND RESILIENT MEANS TO SEPARATE SAID SETS OF JAWS.
References Cited (Backward Citations)
US2339531A
Cited
US2790095A
Cited
US2825436A
Cited
US2711661A
Cited
US2876878A
Cited
US2886149A
Cited
US2943216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |