US2412463A - Rail leveling device - Google Patents
Rail leveling device Download PDFInfo
- Publication number
- US2412463A US2412463A US572808A US57280845A US2412463A US 2412463 A US2412463 A US 2412463A US 572808 A US572808 A US 572808A US 57280845 A US57280845 A US 57280845A US 2412463 A US2412463 A US 2412463A
- Authority
- US
- United States
- Prior art keywords
- standards
- target
- rail
- collars
- track
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/16—Guiding or measuring means, e.g. for alignment, canting, stepwise propagation
Definitions
- This invention relates to track gauges such as are used on railroad rails to indicate the relative level thereof; the major object being to provide a gauge of this general nature primarily designed to ascertain and indicate the super-elevation of railway curves and to be used as a target or sighting medium for a surveyors level or transit.
- a further object is to provide a device for the purpose which may be easily and quicklyassembled or taken down, so that the structure may be conveniently carried on a hand car to and from the points of use.
- Fig. 1 is a front elevation of the gauge, mounted on a track.
- Fig. 2 is an end elevation of the device.
- Fig. 3 is a plan View of the same.
- the device comprises a pair of saddles adapted to straddle and ride on the opposed rails R of a railroad track.
- tapped heads 4 are fixed, through which upstanding standard-forming rods 5 are threaded in adjustable supported relation.
- collars 6 are adjustably mounted thereon by means of set screws so that the level of the collars may be easily altered to suit different operating conditions.
- Collars 6 support sleeves I having a loose fit on the rods '5 above the collars, these sleeves preferably being pipe ties, having short forwardly facing nipples 8 mounted therein and projecting therefrom, parallel to each other and to the rails R.
- Floor flanges 9 are secured on the forward end of the nipples and on the back face of a rectangular panel IE1 which thus extends crosswise of the track.
- a target II is painted thereon, the target being in the form of a row of checker board squares of contrasting colors such as are commonly used on the conventional surveyors targets.
- Target H of course, extends lengthwise of the panel or in a horizonta1 direction and provides a convenient line of sighting for a surveyors transit or level set up down the track wherever desired.
- the adjacent rail is raised with track jacks until the target is again horizontal or level as determined by the surveyor.
- Crushed rock is then tamped under the ties to hold the rail in this position and the gauge is then shifted to the next position along the track as may be required by the surveyor.
- the structure consists of four readily separable units; the panel, the two brackets and their standards and the connecting turn buckle unit. When these units are disconnected from each other, they may be disposed in substantially parallel and side by side relation and placed on a hand car or other vehicle for ready transportation.
- a track gauge comprising a pair of rail supported upstanding brackets havin tapped heads at the top, rod-like standards adjustably threaded through and upstanding from the heads, collars fixed on the standards below their upper ends, sleeves mounted on the standards and seated on said collars, a target extending between and secured to said sleeves, said sleeves, loosely turna-ble on said standards whereby the target may tilt a predetermined amount relative to the standards without binding the sleeves against said standards.
- a track gauge comprising a pair of rail supported upstanding brackets, standards upstanding from and supported by said brackets for vertical adjustment, a target extending between the standards in front of the same, collars on the standards and sleeves on the back of the target engaging over the top of the standards and supported by said collars, said collars being vertically adjustable on the standards whereby the level of the target relative to the upper end of the standards may be changed.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Description
Dec. 10, 1946. w, MCDANIEL 2,412,463
RAIL LEVELING DEVICE Filed Jan. 15, 1945 FIG.!
FIELZ FIELS INVENTOR JAMES WILLIAM M DANIEL.
ATTORNEY BY 01W, cg
Patented Dec. 10, 1946 UNITED STATES PATENT GFFICE RAIL LEVELING DEVICE James William McDaniel, Hayward, Calif.
Application January 15, 1945, Serial No. 572,808
2 Claims.
This invention relates to track gauges such as are used on railroad rails to indicate the relative level thereof; the major object being to provide a gauge of this general nature primarily designed to ascertain and indicate the super-elevation of railway curves and to be used as a target or sighting medium for a surveyors level or transit.
A further object is to provide a device for the purpose which may be easily and quicklyassembled or taken down, so that the structure may be conveniently carried on a hand car to and from the points of use.
In the drawing:
Fig. 1 is a front elevation of the gauge, mounted on a track.
Fig. 2 is an end elevation of the device.
Fig. 3 is a plan View of the same.
Referring to the characters of reference on the drawing, the device comprises a pair of saddles adapted to straddle and ride on the opposed rails R of a railroad track.
These saddles support upstanding rigid brackets 2, connected together at the top by an adjustable rod and turn buckle unit 3, readily detachable from the brackets.
On top of the brackets, tapped heads 4 are fixed, through which upstanding standard-forming rods 5 are threaded in adjustable supported relation.
A short distance below the upper end of therods, collars 6 are adjustably mounted thereon by means of set screws so that the level of the collars may be easily altered to suit different operating conditions.
In operation, assuming that the right hand rail is to be raised three inches above the [left hand rail, the target is lowered at the right this amount. This is done by means of a handwheel 2 with which each rod 5 is equipped and which enables either rod to be rotated at will through its tapped head 4 so as to advance or retract the same through the tapped supporting collar 6.
After the target is thus lowered on the right side, the adjacent rail is raised with track jacks until the target is again horizontal or level as determined by the surveyor.
Crushed rock is then tamped under the ties to hold the rail in this position and the gauge is then shifted to the next position along the track as may be required by the surveyor.
Relative tilting of the panel without binding is rendered possible by the loose fit of the supporting sleeves l on the rods 5.
It will be seen that the structure consists of four readily separable units; the panel, the two brackets and their standards and the connecting turn buckle unit. When these units are disconnected from each other, they may be disposed in substantially parallel and side by side relation and placed on a hand car or other vehicle for ready transportation.
I claim:
1. A track gauge comprising a pair of rail supported upstanding brackets havin tapped heads at the top, rod-like standards adjustably threaded through and upstanding from the heads, collars fixed on the standards below their upper ends, sleeves mounted on the standards and seated on said collars, a target extending between and secured to said sleeves, said sleeves, loosely turna-ble on said standards whereby the target may tilt a predetermined amount relative to the standards without binding the sleeves against said standards.
2. .A track gauge comprising a pair of rail supported upstanding brackets, standards upstanding from and supported by said brackets for vertical adjustment, a target extending between the standards in front of the same, collars on the standards and sleeves on the back of the target engaging over the top of the standards and supported by said collars, said collars being vertically adjustable on the standards whereby the level of the target relative to the upper end of the standards may be changed.
JANIES WIILIAM MCDANIEL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US572808A US2412463A (en) | 1945-01-15 | 1945-01-15 | Rail leveling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US572808A US2412463A (en) | 1945-01-15 | 1945-01-15 | Rail leveling device |
Publications (1)
Publication Number | Publication Date |
---|---|
US2412463A true US2412463A (en) | 1946-12-10 |
Family
ID=24289433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US572808A Expired - Lifetime US2412463A (en) | 1945-01-15 | 1945-01-15 | Rail leveling device |
Country Status (1)
Country | Link |
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US (1) | US2412463A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2962979A (en) * | 1959-05-21 | 1960-12-06 | William C Mccormick | Method of correcting existing track and alignements and means for practicing it |
US2974607A (en) * | 1957-06-05 | 1961-03-14 | Nordberg Manufacturing Co | Track surfacing assembly and method |
US4823638A (en) * | 1986-11-05 | 1989-04-25 | Harmonic Drive Systems Inc. | Tooth profile of spline of strain wave gearing |
-
1945
- 1945-01-15 US US572808A patent/US2412463A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974607A (en) * | 1957-06-05 | 1961-03-14 | Nordberg Manufacturing Co | Track surfacing assembly and method |
US2962979A (en) * | 1959-05-21 | 1960-12-06 | William C Mccormick | Method of correcting existing track and alignements and means for practicing it |
US4823638A (en) * | 1986-11-05 | 1989-04-25 | Harmonic Drive Systems Inc. | Tooth profile of spline of strain wave gearing |
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