US3174349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change gear transmission shiftable under load
Assignee: Georg Fischer AG
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Filing: 1962-10-16
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Granted: 1965-03-23
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Renker Hansjorg
- 👤 Huber Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:39
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H3/10; F16H61/00; F16H61/02; B23Q2705/00; B23Q2705/02; B23Q2705/06; B23Q2705/062; B23Q2705/064; F16H2708/00; F16H2708/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19219; Y10T74/19233; Y10T74/19284; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A STEPPED GEAR TRANSMISSION SHIFTABLE UNDER LOAD, ESPECIALLY FOR MACHINE TOOLS, WHICH INCLUDES: A FIRST TRANSMISSION SHAFT, A SET OF TWO CLUTHES ASSOCIATED WITH SAID FIRST TRANSMISSION SHAFT, EACH OF SAID CLUTCHES COMPRISING A FIRST CLUTCH MEMBER KEYED TO SAID FIRST TRANSMISSION SHAFT AND ALSO INCLUDING A SECOND CLUTCH MEMBER NORMALLY FREELY ROTATABLE ABOUT SAID FIRST TRANSMISSION SHAFT BUT SELECTIVELY ENGAGEABLE WITH SAID FIRST CLUTCH MEMBER, DRIVING MEANS DRIVINGLY CONNECTED TO SAID FIRST TRANSMISSION SHAFT AND OPERABLE TO DRIVE THE SAME AT A CONSTANT SPEED, A SECOND TRANMISSION SHAFT, AN ADDITIONAL CLUTCH COMPRISING AN ADDITIONAL CLUTCH MEMBER KEYED TO SAID SECOND TRANSMISSION SHAFT AND ALSO COMPRISING ANOTHER CLUTCH MEMBER NORMALLY FREELY ROTATABLE ABOUT SAID SECOND TRANSMISSION SHAFT AND OPERABLE TO ENGAGE WITH SAID ADDITIONAL CLUTCH MEMBER, BRAKE MEANS ASSOCIATED WITH SAID ADDITIONAL TRANSMISSION SHAFT AND OPERABLE TO BRAKE THE SAME, MEANS DRIVINGLY CONNECTING SAID SECOND CLUTCH MEMBERS NORMALLY FREELY ROTATABLE ABOUT SAID FIRST TRANSMISSION SHAFT WITH SAID OTHER CLUTCH MEMBER NORMALLY FREELY ROTATABLE ABOUT SAID SECOND TRANSMISSION SHAFT, AND OVER-RIDING CLUTCH MEANS INTERPOSED BETWEEN AND OPERATIVELY CONNECTED TO SAID FIRST TRANSMISSION SHAFT AND DRIVING MEANS THEREFOR.
Claim 2
Dependent Claim
186 words
A STEPPED GEAR TRANSMISSION SHIFTABLE UNDER LOAD, ESPECIALLY FOR MACHINE TOOLS, WHICH INCLUDES: A FIRST TRANSMISSION SHAFT, A SET OF TWO CLUTHES ASSOCIATED WITH SAID FIRST TRANSMISSION SHAFT, EACH OF SAID CLUTCHES COMPRISING A FIRST CLUTCH MEMBER KEYED TO SAID FIRST TRANSMISSION SHAFT AND ALSO INCLUDING A SECOND CLUTCH MEMBER NORMALLY FREELY ROTATABLE ABOUT SAID FIRST TRANSMISSION SHAFT BUT SELECTIVELY ENGAGEABLE WITH SAID FIRST CLUTCH MEMBER, DRIVING MEANS DRIVINGLY CONNECTED TO SAID FIRST TRANSMISSION SHAFT AND OPERABLE TO DRIVE THE SAME AT A CONSTANT SPEED, A SECOND TRANMISSION SHAFT, AN ADDITIONAL CLUTCH COMPRISING AN ADDITIONAL CLUTCH MEMBER KEYED TO SAID SECOND TRANSMISSION SHAFT AND ALSO COMPRISING ANOTHER CLUTCH MEMBER NORMALLY FREELY ROTATABLE ABOUT SAID SECOND TRANSMISSION SHAFT AND OPERABLE TO ENGAGE WITH SAID ADDITIONAL CLUTCH MEMBER, BRAKE MEANS ASSOCIATED WITH SAID ADDITIONAL TRANSMISSION SHAFT AND OPERABLE TO BRAKE THE SAME, MEANS DRIVINGLY CONNECTING SAID SECOND CLUTCH MEMBERS NORMALLY FREELY ROTATABLE ABOUT SAID FIRST TRANSMISSION SHAFT WITH SAID OTHER CLUTCH MEMBER NORMALLY FREELY ROTATABLE ABOUT SAID SECOND TRANSMISSION SHAFT, AND OVER-RIDING CLUTCH MEANS INTERPOSED BETWEEN AND OPERATIVELY CONNECTED TO SAID FIRST TRANSMISSION SHAFT AND DRIVING MEANS THEREFOR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |