US3608498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track-tamping assembly
Assignee: Franz Plasser Bahnbaumaschinen Industrie GmbH
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Filing: 1969-04-28
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Granted: 1971-09-28
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Expires: 1989-04-28
Abstract
Abstract A track-tamping assembly including a pair of opposed, vibratory and reciprocable tamping tools is mounted on a vertically adjustable carrier, and a transmission lever is mounted on the carrier independently of the tamping-tool-vibrating means to link the upper ends of the tamping tools to the vibrating means.
Inventors
- 👤 Franz Plasser
- 👤 Josef Theurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:57
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/16; E01B27/17; E01B2203/00; E01B2203/12; E01B2203/16
Claims Analysis
Total Claims: 51
Claim 1
Independent Claim
172 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising 1. a track-tamping assembly including a pair of opposed tamping tools, each tool having two ends and one of the ends of the tamping tools being arranged for immersion in the ballast adjacent one of the ties, with said one tie being positioned between the tools; 2. a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith; 3. means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation; 4. means mounted on the carrier for vibrating the tamping tools of said pair; and 5. a transmission element interconnecting the tools and mounted on the carrier independently of the vibrating means, a. the other ends of said tamping tools being linked to the transmission element and the transmission element being at least indirectly connected to the vibrating means.
Claim 2
Dependent Claim
172 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising 1. a track-tamping assembly including a pair of opposed tamping tools, each tool having two ends and one of the ends of the tamping tools being arranged for immersion in the ballast adjacent one of the ties, with said one tie being positioned between the tools; 2. a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith; 3. means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation; 4. means mounted on the carrier for vibrating the tamping tools of said pair; and 5. a transmission element interconnecting the tools and mounted on the carrier independently of the vibrating means, a. the other ends of said tamping tools being linked to the transmission element and the transmission element being at least indirectly connected to the vibrating means.
Claim 3
Dependent Claim
14 words
a vertically adjustable carrier whereon the track-tamping assembly is mounted for vertical movement therewith;
Claim 4
Dependent Claim
14 words
a vertically adjustable carrier whereon the track-tamping assembly is mounted for vertical movement therewith;
Claim 5
Dependent Claim
15 words
a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith;
Claim 6
Dependent Claim
15 words
a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith;
Claim 7
Dependent Claim
31 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising
Claim 8
Dependent Claim
31 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising
Claim 9
Dependent Claim
15 words
a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith;
Claim 10
Dependent Claim
15 words
a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith;
Claim 11
Dependent Claim
40 words
a common housing for the tamping tools, each tamping tool including a pivot intermediate its ends about which the tool is reciprocated, and the housing enclosing the pivots and defining a sump for lubricating medium for said tamping tool pivots;
Claim 12
Dependent Claim
40 words
a common housing for the tamping tools, each tamping tool including a pivot intermediate its ends about which the tool is reciprocated, and the housing enclosing the pivots and defining a sump for lubricating medium for said tamping tool pivots;
Claim 13
Dependent Claim
15 words
a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith;
Claim 14
Dependent Claim
15 words
a vertically adjustable carrier whereon the track-tamping assembly is directly mounted for vertical movement therewith;
Claim 15
Dependent Claim
13 words
The ballast-tamping machine of claim 2, wherein said separate drives are hydraulic motors.
Claim 16
Dependent Claim
19 words
means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation;
Claim 17
Dependent Claim
19 words
means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation;
Claim 18
Dependent Claim
43 words
means mounted on the carrier for reciprocating the tamping tools of each of said pairs in the direction of track elongation, the tamping-tool-reciprocating means including a separate drive connected to each one of the other ends of the tamping tools of said pairs;
Claim 19
Dependent Claim
43 words
means mounted on the carrier for reciprocating the tamping tools of each of said pairs in the direction of track elongation, the tamping-tool-reciprocating means including a separate drive connected to each one of the other ends of the tamping tools of said pairs;
Claim 20
Dependent Claim
19 words
means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation;
Claim 21
Dependent Claim
19 words
means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation;
Claim 22
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 23
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 24
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 25
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 26
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 27
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 28
Dependent Claim
31 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising
Claim 29
Dependent Claim
31 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising
Claim 30
Dependent Claim
19 words
means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation;
Claim 31
Dependent Claim
19 words
means mounted on the carrier for reciprocating the tamping tools of said pair in the direction of track elongation;
Claim 32
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 33
Dependent Claim
14 words
means mounted on the carrier for vibrating the tamping tools of said pair; and
Claim 34
Dependent Claim
35 words
a pair of transmission elements mounted on the carrier independently of the vibrating means, a. each of the transmission elemeNts being linked between the separate drives of the tamping tools of each of said pairs.
Claim 35
Dependent Claim
35 words
a pair of transmission elements mounted on the carrier independently of the vibrating means, a. each of the transmission elemeNts being linked between the separate drives of the tamping tools of each of said pairs.
Claim 36
Dependent Claim
43 words
a transmission element interconnecting the tools and mounted on the carrier independently of the vibrating means, a. the other ends of said tamping tools being linked to the transmission element and the transmission element being at least indirectly connected to the vibrating means.
Claim 37
Dependent Claim
43 words
a transmission element interconnecting the tools and mounted on the carrier independently of the vibrating means, a. the other ends of said tamping tools being linked to the transmission element and the transmission element being at least indirectly connected to the vibrating means.
Claim 38
Dependent Claim
67 words
a transmission lever having two arms mounted on the carrier independently of the vibrating means, a. the other end of one of said tamping tools being linked to one lever arm and the other end of the other tamping tool being linked to the other one of the lever arms, and the lever being connected to the vibrating means for vibrating the tamping tools in opposite directions.
Claim 39
Dependent Claim
67 words
a transmission lever having two arms mounted on the carrier independently of the vibrating means, a. the other end of one of said tamping tools being linked to one lever arm and the other end of the other tamping tool being linked to the other one of the lever arms, and the lever being connected to the vibrating means for vibrating the tamping tools in opposite directions.
Claim 40
Dependent Claim
36 words
The ballast-tamping machine of claim 4, wherein the tamping-tool-reciprocating means includes a separate drive connected to each other end of the tamping tools, respective ones of said drives being linked to each of said lever arms.
Claim 41
Dependent Claim
86 words
The ballast-tamping machine of claim 4, wherein the tamping-tool-vibrating means includes a camshaft rotatable about an axis extending in a plane which is transverse and vertical to the track, and an arm extending from the camshaft in the direction of track elongation and being vibrated by the shaft upon rotation thereof, the two arms of the transmission lever extending at an angle to each other, which angle faces said plane, and one of the lever arms being connected to the vibrating arm extending from the camshaft.
Claim 42
Dependent Claim
39 words
a transmission element mounted on the carrier independently of the vibrating means, a. the other ends of said tamping tools being linked to the transmission element and the transmission element being at least indirectly connected to the vibrating means.
Claim 43
Dependent Claim
39 words
a transmission element mounted on the carrier independently of the vibrating means, a. the other ends of said tamping tools being linked to the transmission element and the transmission element being at least indirectly connected to the vibrating means.
Claim 44
Dependent Claim
26 words
The ballast-tamping machine of claim 6, wherein the fulcrum of the transmission lever is positioned below a horizontal plane defined by the axis of the camshaft.
Claim 45
Dependent Claim
53 words
The ballast-tamping machine of claim 7, wherein the other end of the tamping tool farther removed from the vibrating means is linked to the arm extending upwardly from the fulcrum, and the other end of the tamping tool closer to the vibrating means is linked to the arm extending downwardly from the fulcrum.
Claim 46
Dependent Claim
31 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising
Claim 47
Dependent Claim
31 words
A machine for tamping ballast underneath a track including rails supported on a plurality of ties resting on the ballast and spaced in the direction of track elongation, said machine comprising
Claim 48
Dependent Claim
37 words
The ballast tamping machine of claim 9, wherein said housing encloses the means for reciprocating the tamping tools and the mounting of the transmission element, the housing constituting the vertically adjustable carrier for the tamping tool assembly.
Claim 49
Dependent Claim
40 words
The ballast-tamping machine of claim 9, wherein the housing includes a bottom, the tamping tool pivots are mounted in the housing bottom, and sealing means is provided around the pivots for preventing leakage of the lubricating medium through the bottom.
Claim 50
Dependent Claim
68 words
The ballast-tamping machine of claim 11, wherein each tamping tool comprises an upper portion extending from the pivot into the housing and a lower portion extending downwardly from the pivot and outwardly of the housing, the lower portion constituting a mount for a tamping tool jaw, and means for detachably connecting the upper and lower tamping tool portions, the sealing means surrounding the tamping tool portion connecting means.
Claim 51
Dependent Claim
41 words
The ballast-tamping machine of claim 12, wherein the lower portion of the tamping tool has a forked upper end grasping a lower end of the upper tamping tool portion, and the connecting means is a bolt fastening the last-named ends together.
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |