Patent US3690262A successfully refreshed from Google Patents.
US3690262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track correction and tamping machine
Assignee: Franz Plasser Bahnbaumaschinen Industrie GmbH
•
Filing: 1969-11-19
•
Granted: 1972-09-12
•
Expires: 1989-11-19
Abstract
Abstract A universal tamper comprises a track leveling and lining tool mounted between the front and rear axles of an elongated machine frame. The distance of the front axle from the track correction tool and the rear axle is variable. The tamper has a reference system for the track correction.
Inventors
- 👤 Franz Plasser
- 👤 Josef Theurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:57
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: 43
Claim 1
Independent Claim
118 words
A mobile track correction and tamping machine, comprising 1. an elongated machine frame; 2. a front and a rear axle supporting the frame for mobility on the track, a. the distance between the front and rear axles providing a long wheel base, and b. the distance of the front axle from the rear axle being variable; 3. track tamping means mounted on the machine frame between the axles; 4. track correction means including track lifting means mounted on the machine frame between the front and rear axles, c. the distance of the front axle from the track correction means being varied upon variation of the distance between the axles; and 5. a reference system for the track correction.
Claim 2
Dependent Claim
118 words
A mobile track correction and tamping machine, comprising 1. an elongated machine frame; 2. a front and a rear axle supporting the frame for mobility on the track, a. the distance between the front and rear axles providing a long wheel base, and b. the distance of the front axle from the rear axle being variable; 3. track tamping means mounted on the machine frame between the axles; 4. track correction means including track lifting means mounted on the machine frame between the front and rear axles, c. the distance of the front axle from the track correction means being varied upon variation of the distance between the axles; and 5. a reference system for the track correction.
Claim 3
Dependent Claim
42 words
a front and a rear axle supporting the frame for mobility on the track, a. the distance between the front and rear axles providing a long wheel base, and b. the distance of the front axle from the rear axle being variable;
Claim 4
Dependent Claim
42 words
a front and a rear axle supporting the frame for mobility on the track, a. the distance between the front and rear axles providing a long wheel base, and b. the distance of the front axle from the rear axle being variable;
Claim 5
Dependent Claim
36 words
The mobile track correction and tamping machine of claim 1, wherein the front axle is longitudinally adjustably mounted on the machine frame for varying the distance thereof from the track correction means and the rear axle.
Claim 6
Dependent Claim
98 words
a first front axle, a second front axle and a rear axle, a. the second front axle being longitudinally spaced from the first front axle, b. at least one of the front axles being vertically adjustable on the machine frame into and out of engagement with the track whereby the rear axle and a selected one of the front axles supports the frame for mobility on the track and the distance of the selected supporting front axle from the rear axle is variable, and c. the distance between the front and rear axles providing a long wheel base;
Claim 7
Dependent Claim
98 words
a first front axle, a second front axle and a rear axle, a. the second front axle being longitudinally spaced from the first front axle, b. at least one of the front axles being vertically adjustable on the machine frame into and out of engagement with the track whereby the rear axle and a selected one of the front axles supports the frame for mobility on the track and the distance of the selected supporting front axle from the rear axle is variable, and c. the distance between the front and rear axles providing a long wheel base;
Claim 8
Dependent Claim
25 words
two axles supporting the frame for mobility on the track, a. the distance between the axles being variable in the direction of track elongation; and
Claim 9
Dependent Claim
25 words
two axles supporting the frame for mobility on the track, a. the distance between the axles being variable in the direction of track elongation; and
Claim 10
Dependent Claim
19 words
at least one track correction means including a track lifting means arranged along the machine frame between the axles.
Claim 11
Dependent Claim
19 words
at least one track correction means including a track lifting means arranged along the machine frame between the axles.
Claim 12
Dependent Claim
14 words
track tamping means mounted on the machine frame between the rear and front axles;
Claim 13
Dependent Claim
14 words
track tamping means mounted on the machine frame between the rear and front axles;
Claim 14
Dependent Claim
29 words
The mobile track correction and tamping machine of claim 1, wherein the track tamping means is mounted on the machine frame closer to the rear than the front axle.
Claim 15
Dependent Claim
11 words
track tamping means mounted on the machine frame between the axles;
Claim 16
Dependent Claim
11 words
track tamping means mounted on the machine frame between the axles;
Claim 17
Dependent Claim
41 words
track correction means including track lifting means mounted on the machine frame between the front and rear axles, c. the distance of the front axle from the track correction means being varied upon variation of the distance between the axles; and
Claim 18
Dependent Claim
41 words
track correction means including track lifting means mounted on the machine frame between the front and rear axles, c. the distance of the front axle from the track correction means being varied upon variation of the distance between the axles; and
Claim 19
Dependent Claim
27 words
The mobile track correction and tamping machine of claim 3, wherein the track correction means is mounted on the machine frame immediately adjacent the track tamping means.
Claim 20
Dependent Claim
47 words
track correction means including track lifting means mounted on the machine frame between the rear and front axles, a. the distance of the selected front axle from the track correction means being varied upon selection of the first or second front axle for supporting the frame; and
Claim 21
Dependent Claim
47 words
track correction means including track lifting means mounted on the machine frame between the rear and front axles, a. the distance of the selected front axle from the track correction means being varied upon selection of the first or second front axle for supporting the frame; and
Claim 22
Dependent Claim
7 words
a reference system for the track correction.
Claim 23
Dependent Claim
7 words
a reference system for the track correction.
Claim 24
Dependent Claim
25 words
The mobile track correction and tamping machine of claim 4, wherein the track correction means is mounted between the front axle and the tamping means.
Claim 25
Dependent Claim
7 words
a reference system for the track correction.
Claim 26
Dependent Claim
7 words
a reference system for the track correction.
Claim 27
Dependent Claim
41 words
The mobile track correction and tamping machine of claim 1, further comprising a front and a rear bogie supporting the reference system, the bogies being movable on the track with the machine frame and being connected thereto at a variable distance.
Claim 28
Dependent Claim
8 words
A mobile track correction and tamping machine, comprising
Claim 29
Dependent Claim
8 words
A mobile track correction and tamping machine, comprising
Claim 30
Dependent Claim
26 words
The mobile track correction and tamping machine of claim 7, further comprising means for mechanically retaining the vertically adjusted front axle in an adjusted vertical position.
Claim 31
Dependent Claim
26 words
The mobile track correction and tamping machine of claim 8, wherein the foremost one of the front axles is vertically adjustably mounted on the machine frame.
Claim 32
Dependent Claim
20 words
The mobile track correction and tamping machine of claim 9, wherein the vertical adjusting means includes a double-acting hydraulic jack.
Claim 33
Dependent Claim
28 words
The mobile track correction and tamping machine of claim 8, wherein the front axle closer to the track correction means is vertically adjustably mounted on the machine frame.
Claim 34
Dependent Claim
20 words
The mobile track correction and tamping machine of claim 11, wherein the vertical adjusting means includes a double-acting hydraulic jack.
Claim 35
Dependent Claim
40 words
The mobile track correction and tamping machine of claim 7, further comprising a carrier for the second front axle, said second axle being the foremost axle of the machine and said carrier being longitudinally adjustably supported on the machine frame.
Claim 36
Dependent Claim
31 words
The mobile track correction and tamping machine of claim 13, wherein the carrier is telescopically mounted on the machine frame for adjustable extension from a free end of the machine frame.
Claim 37
Dependent Claim
35 words
The mobile track correction and tamping machine of claim 13, further comprising means for mechanically retaining the longitudinally adjusted carrier in a selected position determining the distance between the foremost axle and the other axles.
Claim 38
Dependent Claim
24 words
The mobile track correction and tamping machine of claim 15, wherein the longitudinal adjusting and retaining means for the carrier comprises a hydraulic jack.
Claim 39
Dependent Claim
6 words
A mobile track working machine, comprising
Claim 40
Dependent Claim
6 words
A mobile track working machine, comprising
Claim 41
Dependent Claim
23 words
The mobile track working machine of claim 17, wherein at least one of the axles is longitudinally adjustably mounted on the machine frame.
Claim 42
Dependent Claim
22 words
The mobile track working machine of claim 17, wherein at least one of the track correction means is a track lining means.
Claim 43
Dependent Claim
36 words
The mobile track working machine of claim 19, wherein the distance between the track lifting means and the front axle supporting the frame for mobility on the track is variable in the direction of track elongation.
References Cited (Backward Citations)
US986981A
Cited
US1458402A
Cited
US2693769A
Cited
US3149578A
Cited
US3176625A
Cited
US3137244A
Cited
US3425360A
Cited
US3444822A
Cited
US3469533A
Cited
US3472173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |