← Back to Patent Explorer
US3198138A Expired / Lapsed US ⏱️ 0.0 years remaining

Motorized railroad truck

Assignee: General Electric Co
•
Filing: 1963-05-27
•
Granted: 1965-08-03
•
Expires: 1983-05-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Conway H Melcher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:25
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)

US814922A Cited
US1489998A Cited
US1938049A Cited
US3084637A Cited
US3120820A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag