US159594A - Improvement in grading apparatus - Google Patents
Improvement in grading apparatus Download PDFInfo
- Publication number
- US159594A US159594A US159594DA US159594A US 159594 A US159594 A US 159594A US 159594D A US159594D A US 159594DA US 159594 A US159594 A US 159594A
- Authority
- US
- United States
- Prior art keywords
- ropes
- scrapers
- blocks
- drum
- pulley
- 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
- 239000002965 rope Substances 0.000 description 54
- 101710004289 RRM1 Proteins 0.000 description 2
- 241000490025 Schefflera digitata Species 0.000 description 2
- 101700059384 UL39 Proteins 0.000 description 2
- CEWNUSPMSSUSJA-AATRIKPKSA-N Ustin Chemical compound O1C(=O)C2=C(C)C(Cl)=C(O)C(Cl)=C2OC2=C(Cl)C(C(/C)=C/C)=C(O)C(C)=C21 CEWNUSPMSSUSJA-AATRIKPKSA-N 0.000 description 2
- 108010009740 Vp16-Jazz protein Proteins 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000015250 liver sausages Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002795 polyhydroxyoctanoate Polymers 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/52—Cableway excavators
Definitions
- the object of my invention is to provide improved means for economically operating a series of shovels or scrapers, in excavating and grading and in forming embankments, by steam-power, so as to dispense with the use of horses for these purposes, which is attended with much inconvenience and great expense, especially when the earth has to be conveyed up steep ascents.
- My invention consists in a novel arrangement of pulley-blocks and ropes in connection with guys and derricks, as here inafter described, whereby the shovels or scrapers are alternately drawn back and forth to receive and deliver their loads, and are easily shifted from place to place as the work advances, the said shovels or scrapers being operated by steam-power.
- A is a strong rope of wire or other suitable material, stretched on and supported by the derricks or shears B B over the ground where the earth is to be deposited as it is removed by the scrapers C, any suitable number of which may be employed.
- thimbles D D Placed upon this rope A and moving freely thereon are thimbles D D, one for each pair of scrapers, and attached to these thimbles are the pulleyblocks E E E E, one for each scraper, over which said blocks the ropes a a a a are passed.
- the scrapers C may be of the ordinary construction, excepting that I make them with two bows, to one of which is attached the rope a, as above mentioned, by which the scraper is drawn to the place where its load is to be deposited, while to the additional bow wwhich I add in order to adapt it for being operated in connection with my apparatus-is attachedarope, b or b, as the case may be, by which it is drawn back to receive another load.
- ropes b and b are also carried over pulley-blocks H H H H, secured to thimbles I I I I, which are placed upon the ropes J J, stretched and secured over that portion of the ground from which the earth is to be removed, and the said ropes, after being passed over the said pulleyblocks H or H are likewise carried over the pulley-blocks F F, and from thence to the drum G on the side of the latter opposite to that to which the ropes a a are attached, so that while the ropes a a. are being drawn forward with their loads by the rotation of the drum, the ropes b b will be slacked off, and vice versa.
- 0 is an adjusting-rope attached to the thimbles D and secured at its ends in any suitable manner to the derricks or shears B for the purpose of shifting the blocks E E, so that the line of motion of the scrapers may be advanced as the work progresses
- d is an adjusting-rope attached to the thimbles I or I and secured in any suitable manner, for the purpose of making a correspondent adjustment of the blocks H H.
- the pulley-blocks F F are anchored in any suitable position on the ground for guiding the several ropes to the drum G, and the several ropes may be united for convenience, as, for instance, the ropes or a may be united at 0 and 0 before passing over the pulleys FF, respectively, and the ropes b b at p and p and the ropes to which a a are attached may be united at r, between the pulley F and the drum, while those attached to b b and b b may be similarly united at s, so that one rope on one side of the drum will operate all the ropesa a a a, and another, on the other side of the drum, will likewise operate all the ropes b b b b in the reverse direotion.
- the scrapers G will be simultaneously drawn forward to the points where their loads are to be deposited, and when the drum is rotated in the reverse direction the scrapers will be simultaneously drawn back to receive another load.
- Each scraper is attended by one man, and a series of scrapers, consisting of any suitable number, may be operated as above described.
- the scrapers are advanced toward the fresh earth, as the work progresses, by moving the thimhles D D and H H along the ropes by means of the adj ustin g-ropes c and d, respectively.
- the pulley-blocks E E being attached to opposite sides of the thimbles D, there is but little lateral strain on the rope A; but, in some instances, as in forming river-embankments, the scrapers may all be placed on one side of the said rope A, in which case it may be stayed by guys secured in any suitable position on the opposite side.
- V 3 The combination and arrangement, herein shown and described, of the thimbles D D and I I, and adjusting-ropes 0 and d, for the purpose set forth.
Description
Jf Mc GAVIN. Grading Apparatus. v No. 159,594 v Pate tedFeb.9,1 875 mZ/zeJJeJ; I r Jazz/875112;? I
v THE GRAPHIC CO. PHO O 'U'UL39 (4-1 PARK PLACLN-Y.
NITED S'rrirns JOHN MGGAVIN, on NEW YORK, N. Y.
IMPROVEMENT IN GRADING APPARATUS.
Specification forming part of Letters Patent No. 159,594, dated February 9, 1875; application filed December 15, 1874.
To all whom it may concern Be it known that I, JOHN MGGAVIN, of the city of New York, county and State of New York, have invented an Improved Apparatus for Excavating and Grading; and I hereby declare the following to be a full, clear, and exact description thereof, reference being bad to the accompanying drawing, making a part of this specification.
. The object of my invention is to provide improved means for economically operating a series of shovels or scrapers, in excavating and grading and in forming embankments, by steam-power, so as to dispense with the use of horses for these purposes, which is attended with much inconvenience and great expense, especially when the earth has to be conveyed up steep ascents. My invention consists in a novel arrangement of pulley-blocks and ropes in connection with guys and derricks, as here inafter described, whereby the shovels or scrapers are alternately drawn back and forth to receive and deliver their loads, and are easily shifted from place to place as the work advances, the said shovels or scrapers being operated by steam-power.
In order that my invention may be fully understood I will proceed to a particular description thereof, referring for that purpose to the accompanying drawing, in which- Figure l is a general view of my improved apparatus, in isornetrical perspective, and Fig. 2 a view of the shovel or scraper which I use in connection therewith.
A is a strong rope of wire or other suitable material, stretched on and supported by the derricks or shears B B over the ground where the earth is to be deposited as it is removed by the scrapers C, any suitable number of which may be employed. Placed upon this rope A and moving freely thereon are thimbles D D, one for each pair of scrapers, and attached to these thimbles are the pulleyblocks E E E E, one for each scraper, over which said blocks the ropes a a a a are passed. These ropes or a are attached to the bows of the scrapers O, and, after being passed over the said pulley-blocks, are carried over other pulley-blocks F F, and from thence to a drum, G, which is, in ordinary cases, driven by steam-power although horse-power may be used, if desired, in which case the drum G may be used or not, as may be found convenient. Y The scrapers C may be of the ordinary construction, excepting that I make them with two bows, to one of which is attached the rope a, as above mentioned, by which the scraper is drawn to the place where its load is to be deposited, while to the additional bow wwhich I add in order to adapt it for being operated in connection with my apparatus-is attachedarope, b or b, as the case may be, by which it is drawn back to receive another load. These ropes b and b are also carried over pulley-blocks H H H H, secured to thimbles I I I I, which are placed upon the ropes J J, stretched and secured over that portion of the ground from which the earth is to be removed, and the said ropes, after being passed over the said pulleyblocks H or H are likewise carried over the pulley-blocks F F, and from thence to the drum G on the side of the latter opposite to that to which the ropes a a are attached, so that while the ropes a a. are being drawn forward with their loads by the rotation of the drum, the ropes b b will be slacked off, and vice versa. 0 is an adjusting-rope attached to the thimbles D and secured at its ends in any suitable manner to the derricks or shears B for the purpose of shifting the blocks E E, so that the line of motion of the scrapers may be advanced as the work progresses, and d is an adjusting-rope attached to the thimbles I or I and secured in any suitable manner, for the purpose of making a correspondent adjustment of the blocks H H. The pulley-blocks F F are anchored in any suitable position on the ground for guiding the several ropes to the drum G, and the several ropes may be united for convenience, as, for instance, the ropes or a may be united at 0 and 0 before passing over the pulleys FF, respectively, and the ropes b b at p and p and the ropes to which a a are attached may be united at r, between the pulley F and the drum, while those attached to b b and b b may be similarly united at s, so that one rope on one side of the drum will operate all the ropesa a a a, and another, on the other side of the drum, will likewise operate all the ropes b b b b in the reverse direotion. By this arrangement, when the drum is rotated in one direction the scrapers G will be simultaneously drawn forward to the points where their loads are to be deposited, and when the drum is rotated in the reverse direction the scrapers will be simultaneously drawn back to receive another load.
Each scraper is attended by one man, and a series of scrapers, consisting of any suitable number, may be operated as above described. The scrapers are advanced toward the fresh earth, as the work progresses, by moving the thimhles D D and H H along the ropes by means of the adj ustin g-ropes c and d, respectively. The pulley-blocks E E, being attached to opposite sides of the thimbles D, there is but little lateral strain on the rope A; but, in some instances, as in forming river-embankments, the scrapers may all be placed on one side of the said rope A, in which case it may be stayed by guys secured in any suitable position on the opposite side.
By means of this apparatus a number of blocks H H and F, ropes b b and J, and scrapers O, as herein shown and described, for the purpose set forth.
V 3. The combination and arrangement, herein shown and described, of the thimbles D D and I I, and adjusting-ropes 0 and d, for the purpose set forth.
JOHN MoGAVIN. Witnesses:
A. P. SMITH. JOHN S. THORNTON.
Publications (1)
Publication Number | Publication Date |
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US159594A true US159594A (en) | 1875-02-09 |
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US159594D Expired - Lifetime US159594A (en) | Improvement in grading apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180209118A1 (en) * | 2017-01-24 | 2018-07-26 | R & B Leasing, Llc | System and method for removing material from a sloping surface |
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0
- US US159594D patent/US159594A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180209118A1 (en) * | 2017-01-24 | 2018-07-26 | R & B Leasing, Llc | System and method for removing material from a sloping surface |
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