Patent US3198138A successfully refreshed from Google Patents.
US3198138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized railroad truck
Assignee: General Electric Co
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Filing: 1963-05-27
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Granted: 1965-08-03
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Conway H Melcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:29
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/26; B61F5/30; B61F5/36; B60; B60F; B60F1/00; B60F1/04; B60F1/043; B61C; B61C15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
IN A RAIL-TYPE VEHICLE, A TRUCK ASSEMBLY COMPRISING: FIRST AND SECOND PAIRS OF AXLES, ONE AXLE OF SAID FIRST PAIR BEING LOCATED AT EACH END OF SAID TRUCK ASSEMBLY WITH SAID SECOND PAIR OF AXLES POSITIONED THEREBETWEEN SO THAT AN AXLE OF SAID SECOND PAIR IS INBOARD OF AND ADJACENT TO AN AXLE OF SAID FIRST PAIR; RAIL GUIDE WHEELS MOUNTED ON SAID FIRST PAIR OF AXLES ADAPTED T GUIDE SAID TRUCK ASSEMBLY ALONG A RAILWAY; MEANS FOR POWER DRIVING SAID SECOND PAIR OF AXLES ROAD WHEELS MOUNTED ON SAID SECOND PAIR OF AXLES ADAPTED TO DRIVE SAID TRUCK ASSEMBLY FROM A ROADWAY ADJACENT SAID RAILWAY; AN EQUALIZER MEMBER EXTENDING LONGITUDINALLY OF SAID TRUCK ASSEMBLY; A LOAD LEVER PIVOTALLY CONNECTED AT A POINT INTERMEDIATE THE ENDS THEREOF TO EACH END OF SAID EQUALIZER, EACH OF SAID LOAD LEVERS BEING POSITIONED BETWEEN THE ADJACENT AXLES OF SAID FIRST AND SECOND PAIRS AND HAVING THEIR ENDS SUPPORTED THEREON; AND FRAME RESILIENTLY SUPPORTED ON SAID EQUALIZER MEMBER, SAID EQUALIZER MEMBER AND THE PIVOTALLY CONNECTED LOAD LEVERS AT THE ENDS THEREOF BEING OPERATIVE TO DISTRIBUTE THE LOAD ON SAID TRUCK ASSEMBLY IN A PRESELECTED PROPORTION BETWEEN SIAD FIRST AND SECOND PAIRS OF AXLES AND MAINTAINING SUCH DISTRIBUTION INDEPENDENT OF RELATIVE VARIATIONS IN HEIGHT BETWEEN THE RAILWAY AND ROADWAY SURFACES.
Claim 2
Dependent Claim
215 words
IN A RAIL-TYPE VEHICLE, A TRUCK ASSEMBLY COMPRISING: FIRST AND SECOND PAIRS OF AXLES, ONE AXLE OF SAID FIRST PAIR BEING LOCATED AT EACH END OF SAID TRUCK ASSEMBLY WITH SAID SECOND PAIR OF AXLES POSITIONED THEREBETWEEN SO THAT AN AXLE OF SAID SECOND PAIR IS INBOARD OF AND ADJACENT TO AN AXLE OF SAID FIRST PAIR; RAIL GUIDE WHEELS MOUNTED ON SAID FIRST PAIR OF AXLES ADAPTED T GUIDE SAID TRUCK ASSEMBLY ALONG A RAILWAY; MEANS FOR POWER DRIVING SAID SECOND PAIR OF AXLES ROAD WHEELS MOUNTED ON SAID SECOND PAIR OF AXLES ADAPTED TO DRIVE SAID TRUCK ASSEMBLY FROM A ROADWAY ADJACENT SAID RAILWAY; AN EQUALIZER MEMBER EXTENDING LONGITUDINALLY OF SAID TRUCK ASSEMBLY; A LOAD LEVER PIVOTALLY CONNECTED AT A POINT INTERMEDIATE THE ENDS THEREOF TO EACH END OF SAID EQUALIZER, EACH OF SAID LOAD LEVERS BEING POSITIONED BETWEEN THE ADJACENT AXLES OF SAID FIRST AND SECOND PAIRS AND HAVING THEIR ENDS SUPPORTED THEREON; AND FRAME RESILIENTLY SUPPORTED ON SAID EQUALIZER MEMBER, SAID EQUALIZER MEMBER AND THE PIVOTALLY CONNECTED LOAD LEVERS AT THE ENDS THEREOF BEING OPERATIVE TO DISTRIBUTE THE LOAD ON SAID TRUCK ASSEMBLY IN A PRESELECTED PROPORTION BETWEEN SIAD FIRST AND SECOND PAIRS OF AXLES AND MAINTAINING SUCH DISTRIBUTION INDEPENDENT OF RELATIVE VARIATIONS IN HEIGHT BETWEEN THE RAILWAY AND ROADWAY SURFACES.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |