Patent US3098402A successfully refreshed from Google Patents.
US3098402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forging machine
Assignee: Individual
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Filing: 1961-03-14
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Granted: 1963-07-23
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Expires: 1981-03-14
Abstract
No abstract record available.
Inventors
- 👤 Kralowetz Brnno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21J13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A FORGING MACHINE WHICH COMPRISIES HAMMERS FORMED AS CONNECTING RODS, ECCENTRIC SHAFTS OPERABLE TO DRIVE SAID HAMMERS, ANGULARLY ADJUSTABLE HOUSINGS ECCENTRICALLY MOUNTING SAID SHAFTS, WORKPIECE FEED MEANS, A FIRST HYDRAULIC SETTING PISTON OPERABLE TO AXIALLY MOVE SAID WORKPIECE FEED MEANS, A SEOCND HYDRAULIC SETTING PISTON OPERABLE TO EFFECT AN ANGUALAR MOVEMENT OF SAID HOUSING, FIRST AND SECOND CONTROL CONDUITS ADPATED TO APPLY HYDRAULIC PRESSURE TO SAID FIRST AND SECOND PISTONS, RESPECTIVELY, TWO STEPPING ROLLERS WHICH ARE COUPLED FOR JOINT ROTATION TO A PLURALITY OF PREDETERMINED POSITIONS AND ASSOCIATED EACH WITH ONE OF SAID PISTONS AND ARRANGED TO PERFORM AN ANGULAR MOVEMENT TO THE NEXT OF SAID PREDETERMINED POSITIONS IN RESPONSE TO THE COMPLETION OF A MOVEMENT OF ONE OF SAID PISTONS, AND A VALVE SYSTEM ARRANGED TO CONTROL SAID SETTING PISTONS IN DEPENDENCE ON THE POSITION OF SAID STEPPING ROLLERS, SAID VALVE SYSTEM COMPRISING A COMMON ROTARY VALVE ARRANGED TO BE MOVED BY SAID STEPPING ROLLERS TO A PLURALITY OF POSITIONS CORRESPONDING TO SAID POSITIONS OF SAID STEPPING ROLLERS, A PLURALITY OF PAIRS OF CONTROL VALVES, EACH OF SAID PAIRS OF VALVES BEING ASSOCIATED WITH ONE OF SAID PREDETERMINED POSITIONS, SAID ROTARY VALVE BEING ARRANGED TO CONNECT IN
Claim 2
Dependent Claim
198 words
A FORGING MACHINE WHICH COMPRISIES HAMMERS FORMED AS CONNECTING RODS, ECCENTRIC SHAFTS OPERABLE TO DRIVE SAID HAMMERS, ANGULARLY ADJUSTABLE HOUSINGS ECCENTRICALLY MOUNTING SAID SHAFTS, WORKPIECE FEED MEANS, A FIRST HYDRAULIC SETTING PISTON OPERABLE TO AXIALLY MOVE SAID WORKPIECE FEED MEANS, A SEOCND HYDRAULIC SETTING PISTON OPERABLE TO EFFECT AN ANGUALAR MOVEMENT OF SAID HOUSING, FIRST AND SECOND CONTROL CONDUITS ADPATED TO APPLY HYDRAULIC PRESSURE TO SAID FIRST AND SECOND PISTONS, RESPECTIVELY, TWO STEPPING ROLLERS WHICH ARE COUPLED FOR JOINT ROTATION TO A PLURALITY OF PREDETERMINED POSITIONS AND ASSOCIATED EACH WITH ONE OF SAID PISTONS AND ARRANGED TO PERFORM AN ANGULAR MOVEMENT TO THE NEXT OF SAID PREDETERMINED POSITIONS IN RESPONSE TO THE COMPLETION OF A MOVEMENT OF ONE OF SAID PISTONS, AND A VALVE SYSTEM ARRANGED TO CONTROL SAID SETTING PISTONS IN DEPENDENCE ON THE POSITION OF SAID STEPPING ROLLERS, SAID VALVE SYSTEM COMPRISING A COMMON ROTARY VALVE ARRANGED TO BE MOVED BY SAID STEPPING ROLLERS TO A PLURALITY OF POSITIONS CORRESPONDING TO SAID POSITIONS OF SAID STEPPING ROLLERS, A PLURALITY OF PAIRS OF CONTROL VALVES, EACH OF SAID PAIRS OF VALVES BEING ASSOCIATED WITH ONE OF SAID PREDETERMINED POSITIONS, SAID ROTARY VALVE BEING ARRANGED TO CONNECT IN
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |