US599242A - Leveling-rod - Google Patents
Leveling-rod Download PDFInfo
- Publication number
- US599242A US599242A US599242DA US599242A US 599242 A US599242 A US 599242A US 599242D A US599242D A US 599242DA US 599242 A US599242 A US 599242A
- Authority
- US
- United States
- Prior art keywords
- section
- rod
- leveling
- guide
- tube
- 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
Links
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002023 wood Substances 0.000 description 6
- 241000796533 Arna Species 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001050 lubricating Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
- G01C15/06—Surveyors' staffs; Movable markers
Definitions
- leveling-rods heretofore used by surveyors and engineers were made of wood and in two sections, which were moved alongside of each other bymeans of dovetailed connections. These leveling-rods have the disadvantage that they are subject to change of the weather, so that the upper movable section could only be slid with great difficulty on the lower Stationary section, thereby impeding the use of the same and giving considerable annoyance to the rodmen.
- the object of my invention is to furnish an improved leveling-rod which is so constructed that the parts of the same can be moved one along the other with little difiieulty in dry or (lamp weather and without being affected by the swellin g of the wood when exposed to the atmosphere and rain, while the rod is at the same time considerably strengthened,
- the invention consists of a leveling-rod the lower section of which is provided with a slotted guide-tube attached to the face of the same and guided in a metallic tube set into a recess of the upper or movable section and open on the side adjacent to the lower section, so that the movable section is guided, metal on metal, on the Stationary section, as will be fully described hereinafter and finally pointed out in the claims.
- Figure 1 represents a front elevation of my improved leveling-rod, showing the same partly eX- tended.
- Fig. 2 is a perspective View of the upper portion of my improved leveling-rod, drawn on a larger scale; and
- Fig. 3 is a horizontal section on line 3 3, Fig. 1.
- A represents the Stationary or lower section, and B the upper or movable section, of my improved levelingrod.
- the upper section B is guided on the lower section A by a metallic slide-joint.
- the lower section A is provided with a guide-tube C, which is preferably made of brass, aluminium, or other suitable metal and which is provided with a longitudinal slot a at the side facing the lower Stationary section A, so as to give slightly and eXert a slight spring action in moving in the metal guide-tube D, arranged on a recess of the upper section B.
- the guide-tube D is made of slightly-larger diameter than the guide-tube C and cut open at that part adjacent to the lower section in a plane with the inner face of the upper section B, as shown clearly in Fig. 3.
- the guide-tube C is attached by means of screws or other fastening devices b to the lower section A, while the guide-tube I) is preferably secured tightly into the upper section A and also fastened by screws CZ or otherwise, so as to retain the guide-tubes firmlyin position on their respective sections of the leveling-rod and permit' the free and easy sliding of the upper section on the lower section when the leveling-rod is in use.
- the metallic guidetube of one section moves freely on the metallic guide-tube of the other section, so that the leveling-rod can be operated with equal facility in dry or moist weather, it being not liable to warp when wet, and rendered more durable and stronger than the leveling-rods heretofore in use in which a dovetailed Wooden 'slide-joint is used.
- the graduation of the leveling-rod, the top and bottom protecting-caps, and the target are made of the same construction as in ordinary leveling-rods and form no part of the present invention.
- the advantages of my improved levelingrod are, first, that the guide-tubes can be readily supplied with a small quantity of lubricating material without saturating the wood, so th at the perfectly easy sliding of the upper on the lower rod-section is obtained; second, the sections of the rod can be taken apart with great facility and cleaned from dust; third, as the sections are moved one along the other by means of metallic guidetubes, wh ich are not liable to the Varying conditions of the atmosphere, though the wooden portions of the sections are affected thereby,
- Aleveling-rod coniposed of a lower section provided with a longitudinally-slotted guide-tube attached thereto, and an upper movable section having a metal-lined recess inclosing the guide-tube of the lower section, substantially as set forth.
- a leveling-rod in which the lower section is provided with a longitudinally-slotted guide-tube attached to the face of said section, and guided on the upper or movable section having a recess and a metallic guidetube in said recess, open at the side facing the inovable section, substantially as set forth.
Description
(No Model.)
L. .KLEIN. 'LEVELING ROD.
A TTOH EYS.
Patented Feb; 15, 1898.
arna'r rricn,
LOUIS KLEIN, OF JERSEY CITY, NEW JERSEY.
LEVELENG ROD.
SPECIFICATION forming part of Letters ?atent No. 599,242, dated February 15, 1898. Application filed October 15, 1897. Serial No. 655,265. (No model.)
T0 @ZZ whom it may concern:
Be it known that I, LOUIS KLEIN, a citizen of the United States, residing at Jersey City, in the county of Hudson and State of New Jersey, have invented certain new and useful Improvements in Leveling-Reds, of which the following is a specification.
The leveling-rods heretofore used by surveyors and engineers were made of wood and in two sections, which were moved alongside of each other bymeans of dovetailed connections. These leveling-rods have the disadvantage that they are subject to change of the weather, so that the upper movable section could only be slid with great difficulty on the lower Stationary section, thereby impeding the use of the same and giving considerable annoyance to the rodmen.
The object of my invention is to furnish an improved leveling-rod which is so constructed that the parts of the same can be moved one along the other with little difiieulty in dry or (lamp weather and without being affected by the swellin g of the wood when exposed to the atmosphere and rain, while the rod is at the same time considerably strengthened,
` with but little increase in its weight.
The invention consists of a leveling-rod the lower section of which is provided with a slotted guide-tube attached to the face of the same and guided in a metallic tube set into a recess of the upper or movable section and open on the side adjacent to the lower section, so that the movable section is guided, metal on metal, on the Stationary section, as will be fully described hereinafter and finally pointed out in the claims.
In the accompanying drawings, Figure 1 represents a front elevation of my improved leveling-rod, showing the same partly eX- tended. Fig. 2 is a perspective View of the upper portion of my improved leveling-rod, drawn on a larger scale; and Fig. 3 is a horizontal section on line 3 3, Fig. 1.
Similar letters of reference indicate corresponding parts.
Referring to the drawings, A represents the Stationary or lower section, and B the upper or movable section, of my improved levelingrod. Instead of one section being guided by means of a dovetailed connection on the other, as heretofore, the upper section B is guided on the lower section A by a metallic slide-joint. For this purpose the lower section A is provided with a guide-tube C, which is preferably made of brass, aluminium, or other suitable metal and which is provided with a longitudinal slot a at the side facing the lower Stationary section A, so as to give slightly and eXert a slight spring action in moving in the metal guide-tube D, arranged on a recess of the upper section B. The guide-tube D is made of slightly-larger diameter than the guide-tube C and cut open at that part adjacent to the lower section in a plane with the inner face of the upper section B, as shown clearly in Fig. 3. The guide-tube C is attached by means of screws or other fastening devices b to the lower section A, while the guide-tube I) is preferably secured tightly into the upper section A and also fastened by screws CZ or otherwise, so as to retain the guide-tubes firmlyin position on their respective sections of the leveling-rod and permit' the free and easy sliding of the upper section on the lower section when the leveling-rod is in use. As the slide-joint of the sections of the rod is made of metal the metallic guidetube of one section moves freely on the metallic guide-tube of the other section, so that the leveling-rod can be operated with equal facility in dry or moist weather, it being not liable to warp when wet, and rendered more durable and stronger than the leveling-rods heretofore in use in which a dovetailed Wooden 'slide-joint is used.
The graduation of the leveling-rod, the top and bottom protecting-caps, and the target are made of the same construction as in ordinary leveling-rods and form no part of the present invention.
The advantages of my improved levelingrod are, first, that the guide-tubes can be readily supplied with a small quantity of lubricating material without saturating the wood, so th at the perfectly easy sliding of the upper on the lower rod-section is obtained; second, the sections of the rod can be taken apart with great facility and cleaned from dust; third, as the sections are moved one along the other by means of metallic guidetubes, wh ich are not liable to the Varying conditions of the atmosphere, though the wooden portions of the sections are affected thereby,
ICO
' claim as new and desire .to secure by Letters Patent- 1. Aleveling-rod, coniposed of a lower section provided with a longitudinally-slotted guide-tube attached thereto, and an upper movable section having a metal-lined recess inclosing the guide-tube of the lower section, substantially as set forth.
2. A leveling-rod, in which the lower section is provided with a longitudinally-slotted guide-tube attached to the face of said section, and guided on the upper or movable section having a recess and a metallic guidetube in said recess, open at the side facing the inovable section, substantially as set forth.
3. In a leveling-rod, the combination of the lower Stationary section, a guidetube attached thereto and provided with a longitudinal slot, and an upper movable section provided with an open guide-tube set in a recess in the face of said section adjacent to the lower section, the guide-tube of the lower section being inserted in the guide-tube of the upper section, substantially as set forth.
In testimony that I claim the foregoing as my invention I have signed my nanie in presence of two subscribing witnesses.
LOUIS KLEIN.
VVitnesses:
PAUL GOEPEL, GEO. W. JAEKEL.
Publications (1)
Publication Number | Publication Date |
---|---|
US599242A true US599242A (en) | 1898-02-15 |
Family
ID=2667883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US599242D Expired - Lifetime US599242A (en) | Leveling-rod |
Country Status (1)
Country | Link |
---|---|
US (1) | US599242A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2818653A (en) * | 1953-05-21 | 1958-01-07 | Wade H Henderson | Combined grade set and level rod |
-
0
- US US599242D patent/US599242A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2818653A (en) * | 1953-05-21 | 1958-01-07 | Wade H Henderson | Combined grade set and level rod |
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