US3333551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-platform railway car bogie
Assignee: Simmering Graz Pauker AG
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Filing: 1966-06-06
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Granted: 1967-08-01
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Gross Ludwig
- 👤 Pelz Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:44
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/10; B61D3/14; B61F; B61F3/00; B61F3/02; B61F3/08; B61F3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A LOW-PLATFORM CAR COMPRISING, IN COMBINATION AN UNDERFRAME, A TRUCK ASSEMBLY SUPPORTING SAID UNDERFRAME, SAID TRUCK ASSEMBLY INCLUDING FIRST AND SECOND FRAMES, A PAIR OF AXLES JOURNALLED ON SAID FIRST FRAME AND EACH HAVING A PAIR OF WHEELS DISPOSED IN PREDETERMINED SPACED RELATION, SAID AXLES BEING SPACED FROM EACH OTHER BY AN AMOUNT LESS THAN HALF THE PREDETERMINED SPACING BETWEEN THE WHEELS OF EACH PAIR, WHEREBY TO MINIMIZE SENSITIVITY TO TRACK IRREGULARITIES, A THIRD AXLE JOURNALLED ON SAID SECOND FRAME AND HAVING A PAIR OF WHEELS DISPOSED IN SAID PREDETERMINED SPACING, SAID THIRD AXLE BEING SPACED FROM THE NEAREST OF SAID PAIR OF AXLES BY AN AMOUNT GREATER THAN THE SPACING BETWEEN SAID PAIR OF AXLES, CUSHIONING MEANS CONNECTING THE ADJACENT ENDS OF SAID FRAMES AND ACCOMMODATING RELATIVE UNIVERSAL MOVEMENT THEREBETWEEN, AND SPRING MEANS INTERPOSED DIRECTLY BETWEEN SAID FRAMES AND SAID UNDERFRAME.
Claim 2
Dependent Claim
142 words
A LOW-PLATFORM CAR COMPRISING, IN COMBINATION AN UNDERFRAME, A TRUCK ASSEMBLY SUPPORTING SAID UNDERFRAME, SAID TRUCK ASSEMBLY INCLUDING FIRST AND SECOND FRAMES, A PAIR OF AXLES JOURNALLED ON SAID FIRST FRAME AND EACH HAVING A PAIR OF WHEELS DISPOSED IN PREDETERMINED SPACED RELATION, SAID AXLES BEING SPACED FROM EACH OTHER BY AN AMOUNT LESS THAN HALF THE PREDETERMINED SPACING BETWEEN THE WHEELS OF EACH PAIR, WHEREBY TO MINIMIZE SENSITIVITY TO TRACK IRREGULARITIES, A THIRD AXLE JOURNALLED ON SAID SECOND FRAME AND HAVING A PAIR OF WHEELS DISPOSED IN SAID PREDETERMINED SPACING, SAID THIRD AXLE BEING SPACED FROM THE NEAREST OF SAID PAIR OF AXLES BY AN AMOUNT GREATER THAN THE SPACING BETWEEN SAID PAIR OF AXLES, CUSHIONING MEANS CONNECTING THE ADJACENT ENDS OF SAID FRAMES AND ACCOMMODATING RELATIVE UNIVERSAL MOVEMENT THEREBETWEEN, AND SPRING MEANS INTERPOSED DIRECTLY BETWEEN SAID FRAMES AND SAID UNDERFRAME.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |