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US3595170A Expired / Lapsed US ⏱️ 0.0 years remaining

Mobile track tamper

Assignee: Franz Plasser Bahnbaumaschinen Industrie GmbH
•
Filing: 1968-12-18
•
Granted: 1971-07-27
•
Expires: 1988-12-18
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Abstract

Abstract A mobile track tamper with a plurality of ''''twin'''' tamping tool assemblies has means for controlling the movement of the assemblies in the track direction in response to the location of a tie to be positioned between the opposed tamping tools of each assembly.

Inventors

  • 👤 Franz Plasser
  • 👤 Josef Theurer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:57
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/16; E01B27/17; E01B2203/00; E01B2203/10; E01B2203/12; E01B2203/16

Claims Analysis

Total Claims: 96
Claim 1
Independent Claim 123 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising 1. a plurality of tamping tool assemblies mounted in spaced relation in the direction of elongation of the track, a. at least one of the tamping tool assemblies being movable in said direction in relation to the tamper whereon it is mounted for tamping a selected one of said ties by the movable tamping tool assembly; 2. means for controlling the movement of the movable tamping tool assembly in response to the location of the selected tie; 3. means for correcting the position of the track; and 4. a reference system for indicating the correct track position.
Claim 2
Dependent Claim 123 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising 1. a plurality of tamping tool assemblies mounted in spaced relation in the direction of elongation of the track, a. at least one of the tamping tool assemblies being movable in said direction in relation to the tamper whereon it is mounted for tamping a selected one of said ties by the movable tamping tool assembly; 2. means for controlling the movement of the movable tamping tool assembly in response to the location of the selected tie; 3. means for correcting the position of the track; and 4. a reference system for indicating the correct track position.
Claim 3
Dependent Claim 20 words
means for controlling the movement of the movable tamping tool assembly in response to the location of the selected tie;
Claim 4
Dependent Claim 20 words
means for controlling the movement of the movable tamping tool assembly in response to the location of the selected tie;
Claim 5
Dependent Claim 34 words
The mobile track tamper of claim 1, wherein the means for controlling the tamping tool assembly movement includes a tactile element associated with the movable tamping tool assembly and in contact with the track.
Claim 6
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 7
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 8
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 9
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 10
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 11
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 12
Dependent Claim 23 words
means for controlling the movement of at least one of the tamping tool assemblies in response to the location of the selected tie;
Claim 13
Dependent Claim 23 words
means for controlling the movement of at least one of the tamping tool assemblies in response to the location of the selected tie;
Claim 14
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 15
Dependent Claim 114 words
a plurality of tamping tool assemblies mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction, each assembly including a. two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair;
Claim 16
Dependent Claim 54 words
a plurality of tamping tool assemblIes mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction in relation to the tamper whereon they are mounted, a. each tamping tool assembly being movable independently in said direction for tamping a selected one of said ties;
Claim 17
Dependent Claim 54 words
a plurality of tamping tool assemblIes mounted on the frame in spaced relation in the direction of elongation of the track for movement in said direction in relation to the tamper whereon they are mounted, a. each tamping tool assembly being movable independently in said direction for tamping a selected one of said ties;
Claim 18
Dependent Claim 3 words
an elongated frame;
Claim 19
Dependent Claim 3 words
an elongated frame;
Claim 20
Dependent Claim 43 words
a track shoe mounted on said frame and arranged for contact with, and to exert a downward pressure on, the track, the track shoe being arranged adjacent each tamping tool assembly for limiting any upward movement of the track to a predetermined distance;
Claim 21
Dependent Claim 43 words
a track shoe mounted on said frame and arranged for contact with, and to exert a downward pressure on, the track, the track shoe being arranged adjacent each tamping tool assembly for limiting any upward movement of the track to a predetermined distance;
Claim 22
Dependent Claim 33 words
means for controlling the movement of at least one of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 23
Dependent Claim 33 words
means for controlling the movement of at least one of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 24
Dependent Claim 43 words
means for correcting the position of the track, said track position correcting means including b. a plurality of means for lifting the track, each track lifting means being mounted on the tamper forwardly of an associated one of said tamping tool assemblies; and
Claim 25
Dependent Claim 43 words
means for correcting the position of the track, said track position correcting means including b. a plurality of means for lifting the track, each track lifting means being mounted on the tamper forwardly of an associated one of said tamping tool assemblies; and
Claim 26
Dependent Claim 33 words
means for controlling the movement of at least oNe of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 27
Dependent Claim 33 words
means for controlling the movement of at least oNe of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 28
Dependent Claim 33 words
means for controlling the movement of at least one of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 29
Dependent Claim 33 words
means for controlling the movement of at least one of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 30
Dependent Claim 33 words
means for controlling the movement of at least one of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 31
Dependent Claim 33 words
means for controlling the movement of at least one of said tamping tool assemblies in response to the location of the one tie which is to be positioned between the opposed tools thereof;
Claim 32
Dependent Claim 18 words
The mobile track tamper of claim 2, wherein the tactile element is arranged for contact with a tie.
Claim 33
Dependent Claim 9 words
means for correcting the position of the track; and
Claim 34
Dependent Claim 9 words
means for correcting the position of the track; and
Claim 35
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 36
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 37
Dependent Claim 30 words
The mobile track tamper of claim 1, wherein the means for controlling the tamping tool assembly movement includes a visible control arranged to view the location of the one tie.
Claim 38
Dependent Claim 8 words
means for correcting the position of the track;
Claim 39
Dependent Claim 8 words
means for correcting the position of the track;
Claim 40
Dependent Claim 20 words
means for correcting the position of the track mounted at each side of the center point of the tamper; and
Claim 41
Dependent Claim 20 words
means for correcting the position of the track mounted at each side of the center point of the tamper; and
Claim 42
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 43
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 44
Dependent Claim 22 words
means for correcting the position of the track, b. the track position correcting means including a means for laterally shifting the track;
Claim 45
Dependent Claim 22 words
means for correcting the position of the track, b. the track position correcting means including a means for laterally shifting the track;
Claim 46
Dependent Claim 23 words
means for controlling the movement of at least one of the tamping tool assemblies in response to the location of the selected tie;
Claim 47
Dependent Claim 23 words
means for controlling the movement of at least one of the tamping tool assemblies in response to the location of the selected tie;
Claim 48
Dependent Claim 71 words
means for correcting the position of the track, b. the track position correcting means including a track shoe for laterally shifting the track, the track shoe being mounted on said frame and arranged for contact with, and to exert a downward pressure on, the track, the track shoe being laterally movable and arranged adjacent a tamping tool assembly for limiting any upward movement of the track to a predetermined distance; and
Claim 49
Dependent Claim 71 words
means for correcting the position of the track, b. the track position correcting means including a track shoe for laterally shifting the track, the track shoe being mounted on said frame and arranged for contact with, and to exert a downward pressure on, the track, the track shoe being laterally movable and arranged adjacent a tamping tool assembly for limiting any upward movement of the track to a predetermined distance; and
Claim 50
Dependent Claim 9 words
means for correcting the position of the track; and
Claim 51
Dependent Claim 9 words
means for correcting the position of the track; and
Claim 52
Dependent Claim 36 words
The mobile track tamper of claim 1, wherein the track position correcting means includes a means for lifting the track, said track lifting means being mounted on the tamper forwardly of the foremost tamping tool assembly.
Claim 53
Dependent Claim 32 words
two running gears mounting the frame for mobility on the track, c. the tamping tool assemblies and the lateral track shifting means being mounted on the frame between the running gears; and
Claim 54
Dependent Claim 32 words
two running gears mounting the frame for mobility on the track, c. the tamping tool assemblies and the lateral track shifting means being mounted on the frame between the running gears; and
Claim 55
Dependent Claim 49 words
a reference system for indicating the correct track position, b. the reference system including track position indicating elements associated with each of the track position correcting means whereby the track position may be corrected by the tamper operating in either direction along the direction of elongation of the track.
Claim 56
Dependent Claim 49 words
a reference system for indicating the correct track position, b. the reference system including track position indicating elements associated with each of the track position correcting means whereby the track position may be corrected by the tamper operating in either direction along the direction of elongation of the track.
Claim 57
Dependent Claim 11 words
two running gears mounting the frame for mobility on the track;
Claim 58
Dependent Claim 11 words
two running gears mounting the frame for mobility on the track;
Claim 59
Dependent Claim 8 words
reference system for indicating the correct track position.
Claim 60
Dependent Claim 8 words
reference system for indicating the correct track position.
Claim 61
Dependent Claim 44 words
means movable in relation to, but engaging, the track to hold the track in a fixed position, b. said track engaging means being mounted between the running gears at a point it is desired to hold the track fixed against any correcting movement; and
Claim 62
Dependent Claim 44 words
means movable in relation to, but engaging, the track to hold the track in a fixed position, b. said track engaging means being mounted between the running gears at a point it is desired to hold the track fixed against any correcting movement; and
Claim 63
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 64
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 65
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 66
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 67
Dependent Claim 21 words
The mobile track tamper of claim 1, wherein the track position correcting means includes a means for laterally shifting the track.
Claim 68
Dependent Claim 44 words
The mobile track tamper of claim 6, wherein said lateral track shifting means is vertically movable whereby it may be operated for track lifting and shifting, said track lifting and shifting means being mounted on the tamper forwardly of the foremost tamping tool assembly.
Claim 69
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 70
Dependent Claim 9 words
a reference system for indicating the correct track position.
Claim 71
Dependent Claim 40 words
The mobile track tamper of claim 6, wherein the lateral track shifting means comprises a carrier, track engaging means mounted on the carrier, and means for mounting the carrier on the frame for lateral movement in respect of the frame.
Claim 72
Dependent Claim 19 words
The mobile track tamper of claim 1, further comprising a common elongated frame for mounting the tamping tool assemblies.
Claim 73
Dependent Claim 95 words
The mobile track tamper of claim 1, wherein each assembly includes two pairs of opposed tamping tools, said pairs of tools being so spaced from each other in said direction that the tools of each pair which are adjacent to each other are at a smaller distance from each other than the distance between adjacent ones of said ties, the opposed tools of each pair being arranged for immersion in the ballast adjacent one of said ties and for reciprocation in said direction, with the one tie positioned between the opposed tools of each pair.
Claim 74
Dependent Claim 71 words
The mobile track tamper of claim 1, wherein each of the tamping tool assemblies is independently movable in said direction, and the means for controlling the movement of the movable tamping tool assembly in response to the location of the selected tie controls the movement of a first one of the assemblies, the movement of successive ones of said assemblies being controlled in response to the movement of the first assembly.
Claim 75
Dependent Claim 44 words
The mobile track tamper of claim 11, wherein each of the tamping tool assemblies is independently movable in said direction, and the means for controlling the tamping tool assembly movement includes a tactile element associated with each assembly and in contact with the track.
Claim 76
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 77
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 78
Dependent Claim 42 words
The mobile track tamper of claim 13, wherein the vertical distance of the track shoe from the frame is adjustable, said distance of the upward movement of the track being determined by the adjusted distance of the track shoe from the frame.
Claim 79
Dependent Claim 22 words
The mobile track tamper of claim 13, wherein the track shoe is mounted between two adjacent ones of said tamping tool assemblies.
Claim 80
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 81
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 82
Dependent Claim 21 words
The mobile track tamper of claim 16, wherein the lateral track shifting means is mounted between two adjacent tamping tool assemblies.
Claim 83
Dependent Claim 26 words
A movable track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 84
Dependent Claim 26 words
A movable track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 85
Dependent Claim 28 words
The mobile track tamper of claim 18, wherein the reference system comprises a succession of references lines overlapping each other in the direction of elongation of the track.
Claim 86
Dependent Claim 21 words
The mobile track tamper of claim 19, wherein one of said reference lines is associated with each of said correcting stations.
Claim 87
Dependent Claim 43 words
The mobile track tamper of claim 19, wherein at least one of said reference lines has an end point adjustable in relation to the reference line which it overlaps, and an element indicating the position of the track associated with said reference line.
Claim 88
Dependent Claim 47 words
The mobile track tamper of claim 18, wherein the reference system comprises a reference line, the reference line cooperating with the track position indicating element which indicates the highest position of the track in respect to the uncorrected track position for controlling the correction of the track.
Claim 89
Dependent Claim 26 words
A mobile track tamper for tamping ballast undErneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 90
Dependent Claim 26 words
A mobile track tamper for tamping ballast undErneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 91
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 92
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 93
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 94
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 95
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising
Claim 96
Dependent Claim 26 words
A mobile track tamper for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said tamper comprising

References Cited (Backward Citations)

US3177813A Cited
US3274951A Cited
US3380395A Cited
US3343497A Cited
US3401642A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-07-26 1975-01-25 1975-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-26 1979-01-25 1979-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-26 1983-01-25 1983-07-27 $7700.00 Window Closed / Lapsed

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