US4249467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile apparatus for receiving and laying as assembled track switch or crossing section
Assignee: Franz Plasser Bahnbaumaschinen Industrie GmbH
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Filing: 1979-10-22
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Granted: 1981-02-10
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Expires: 1999-10-22
Abstract
Abstract A mobile apparatus for laying assembled track switch and crossing sections comprises a bridge-like carrier frame supported at each end by a track-bound undercarriage and a track-laying undercarriage mounted independently of the track-bound undercarriages for pivoting about a vertical axis through an arc of at least 90° and for vertical adjustment. A hoist is mounted on the carrier frame between the undercarriages for gripping and transporting the assembled track sections.
Inventors
- 👤 Josef Theurer
- 👤 Friedrich Oellerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:57
CPC Classifications
E; E01; E01B; E01B29/00; E01B29/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
123 words
A mobile apparatus for receiving and laying an assembled track switch or crossing section consisting of rails fastened to ties, which comprises (a) a bridge-like carrier frame having two end regions, (b) a respective track-bound undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility along a track, (c) a track-laying undercarriage in each of said end regions, each track-laying undercarriage being mounted independently of the track-bound undercarriages for pivoting about a vertical axis through an arc of at least 90° and for vertical adjustment, and (d) a hoisting and transport means mounted on the carrier frame between the end regions, the hoisting and transport means including a device for gripping the assembled track switch or crossing section.
Claim 2
Dependent Claim
123 words
A mobile apparatus for receiving and laying an assembled track switch or crossing section consisting of rails fastened to ties, which comprises (a) a bridge-like carrier frame having two end regions, (b) a respective track-bound undercarriage in each of said end regions, the undercarriages supporting the carrier frame for mobility along a track, (c) a track-laying undercarriage in each of said end regions, each track-laying undercarriage being mounted independently of the track-bound undercarriages for pivoting about a vertical axis through an arc of at least 90° and for vertical adjustment, and (d) a hoisting and transport means mounted on the carrier frame between the end regions, the hoisting and transport means including a device for gripping the assembled track switch or crossing section.
Claim 3
Dependent Claim
16 words
The mobile apparatus of claim 1, further comprising independent drive means for each of the undercarriages.
Claim 4
Dependent Claim
53 words
The mobile apparatus of claim 1 or 2, wherein the carrier frame is comprised of two telescoping parts adjustable in relation to each other in a longitudinal direction, each track-laying undercarriage being mounted on a respective one of the telescoping carrier frame parts whereby the distance between the track-laying undercarriages may be varied.
Claim 5
Dependent Claim
48 words
The mobile apparatus of claim 1 or 2, further comprising a respective track-bound auxiliary undercarriage associated with each of the track-bound undercarriages, the auxiliary undercarriages being mounted for vertical adjustment, and each track-laying undercarriage being arranged between one of the track-bound undercarriages and the associated auxiliary track-bound undercarriage.
Claim 6
Dependent Claim
25 words
The mobile apparatus of claim 1 or 2, further comprising means for mounting the hoisting and transport means for transverse adjustment on the carrier frame.
Claim 7
Dependent Claim
83 words
The mobile apparatus of claim 5, wherein the hoisting and transport means comprises a longitudinal carrier and at least two transverse carriers spaced from each other in the longitudinal direction, the transverse carriers being mounted on the longitudinally carrier for pivoting about a vertical axis and for independent vertical adjustment, the device for gripping the assembled track switch or crossing section comprises gripping hooks mounted at respective ends of transverse carriers, and the mounting means comprises transverse guide means for the longitudinal carrier.
Claim 8
Dependent Claim
81 words
The mobile apparatus of claim 1 or 2, wherein the carrier frame is comprised of a center part on which the hoisting and transport means is mounted and two telescoping parts adjustable in relation to the center part in a longitudinal direction, the adjustable parts constituting the end regions of the carrier frame and being glidably guided along the center part, and drive means interconnecting the center and adjustable carrier frame parts for adjusting the adjustable parts in the longitudinal direction.
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) | 1984-02-10 | 1984-08-11 | 1985-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-10 | 1988-08-11 | 1989-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-10 | 1992-08-11 | 1993-02-10 | $7700.00 | Window Closed / Lapsed |