Patent US3665865A successfully refreshed from Google Patents.
US3665865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-platform railway car bogie
Assignee: Simmering Graz Pauker AG
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Filing: 1970-05-27
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Granted: 1972-05-30
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Expires: 1990-05-27
Abstract
Abstract A rail vehicle which comprises a bogie, in which at least three wheel axles are mounted in a frame consisting of a main frame section and at least one additional frame section, which is mounted at the end of the main frame section for a vertical pivotal movement. The main frame section comprises a main crossbeam, which is provided with a bogie or king pin and is connected at least at one end to the side member of the frame by means which enable a pivotal movement of the two side members of the main frame section relative to each other.
Inventors
- 👤 Friedrich Pelz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/08; B61F3/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
243 words
A low-platform car, comprising at least a bogie which supports a body frame, said bogie having a frame comprising a main frame section which is provided at least at one end thereof with an additional frame section that is hinged to the main frame section on an axis which is transverse to the direction of travel, at least three axles mounted in said bogie frame and provided with track wheels, at least two of said axles being mounted in said main frame section and at least one of said axles being mounted in said additional frame section, said main frame section having a central main crossbeam which is transverse to the direction of travel and is connected at opposite ends to respective frame side members extending in the direction of travel,one end of said main crossbeam being rigidly connected to one of said side members, the other end of said crossbeam being rotatably connected to the other of said side members by means of a pin extending transverse to the direction of travel and being rotatably mounted in at least one of the two parts connected thereby, said main crossbeam aperatured for a king pin to connect to a bottom member of a rail vehicle and being provided at least at one point with means which permit of a pivotal movement of said two frame side members relative to each other and are arranged to transmit the forces coming from said king pin.
Claim 2
Dependent Claim
243 words
A low-platform car, comprising at least a bogie which supports a body frame, said bogie having a frame comprising a main frame section which is provided at least at one end thereof with an additional frame section that is hinged to the main frame section on an axis which is transverse to the direction of travel, at least three axles mounted in said bogie frame and provided with track wheels, at least two of said axles being mounted in said main frame section and at least one of said axles being mounted in said additional frame section, said main frame section having a central main crossbeam which is transverse to the direction of travel and is connected at opposite ends to respective frame side members extending in the direction of travel,one end of said main crossbeam being rigidly connected to one of said side members, the other end of said crossbeam being rotatably connected to the other of said side members by means of a pin extending transverse to the direction of travel and being rotatably mounted in at least one of the two parts connected thereby, said main crossbeam aperatured for a king pin to connect to a bottom member of a rail vehicle and being provided at least at one point with means which permit of a pivotal movement of said two frame side members relative to each other and are arranged to transmit the forces coming from said king pin.
Claim 3
Dependent Claim
38 words
A rail vehicle as set forth in claim 1, characterized in that the pin which connects the main crossbeam to one frame side member is rotatably mounted in the beam and side member by means of respective bushings.
Claim 4
Dependent Claim
29 words
A rail vehicle as set forth in claim 1, characterized in that the main frame section is provided at its forward and rear ends with respective flexible flat crossbeams.
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) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |