US914241A - Road-working machine. - Google Patents

Road-working machine. Download PDF

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Publication number
US914241A
US914241A US42436908A US1908424369A US914241A US 914241 A US914241 A US 914241A US 42436908 A US42436908 A US 42436908A US 1908424369 A US1908424369 A US 1908424369A US 914241 A US914241 A US 914241A
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United States
Prior art keywords
machine
scraper blade
frame
axle
working machine
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Expired - Lifetime
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US42436908A
Inventor
Alonzo C Callender
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Individual
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Priority to US42436908A priority Critical patent/US914241A/en
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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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis

Definitions

  • my invention is to produce a simple, cheap and durable road machine that can be easily i managed.
  • Figure 1 is a plan view of my improved road working machine.
  • Fig. 2 is a side view of the same.
  • Fig. 3 is a rear view of the same, and
  • Fig. 4 shows the means for locking the caster wheel.
  • A represents the frame of the machine, which is rectangular in general shape and is composed of three parallel beams united together at the front by a cross beam 9, and having a flooring over the top thereof, this structure being preferably made of wood, thus making it light and cheap.
  • Cross braces M serve to stiffen the structure.
  • 10 represents the scraper blade, set at an angle to the frame, as is usual.
  • This blade is supported by two arms S which are pivotally mounted at one end on the main axle Y of the machine. The rear ends of these arms are bent downwardly and secured to the rear side of the scraper blade by clamps H and bolts I).
  • the axle Y is mounted in beams Z extending downwardly from the main frame, and these beams are braced to the main frame and to the cross beam 9 by braces 0. It will thus be seen that the main axle is prevented from turning sidewise with relation to the main frame and that the pull on the scraper blade will be transmitted to said blade directly from said axle, which is a highly desirable result.
  • end of the scraper bar may be adjusted independently, or that both ends may be adjusted simultaneously, if desired.
  • I provide a rod C, which is connected to one of the draw bars S and to the main frame. This prevents the movement of the scraper blade in one direction and movement of this blade in the opposite direction is prevented by the bent rod K,
  • C1 represents the drivers seat, which is placed nearly in the center of the machine so that the driver can operate all parts of the machine easily without leavin his seat
  • C3 is a brace for the drivers feet.
  • Fig. i which consists of a bolt E, arranged to fit in a slot in the upper part of the fork and having a spring U surrounding it, which spring, bearing against the pin and a bracket projecting downwardly from the central beam of the frame, normally forces the bolt E into said perforation, locking the caster wheel fork.
  • J represents a wire connecting the bolt E with an operating lever L, which passes upward through a hole N in the central beam of the framework, to which beam it is pivoted.
  • the cross beam 9 supports the tongue of the machine in the usual way, on which tongue is pivotally mounted the double tree 7, which is connected to the main frame by stay chains 5.
  • the machine is comparatively light, being made mainly of wood; the wooden floor prevents the driver from falling under the wheels; the original cost of manufacture and the expenses of repair are comparatively small; no fifth wheel is employed, and therefore the machine is rigid and under control of the team; the caster wheel at the rear of the machine is ordinarily locked and is only unlocked when it is desired to turn the machine; the machine is provided with a direct and separate lift for each end of the scraper blade, and the parts are so arranged that the strain is brought almost wholly upon the main axle, where it should be.

Description

A. G. CALLENDER.
ROAD WORKING MACHINE.
APPLIOATION FILED MAR. 30, 1908.
914,241 Patented Mar. 2, 1909,
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THE NORRIS PETERS ca. wasnmmou, n. c.
A; C. GALLENDER. ROAD WORKING MACHINE.
APPLIOATION FILED MAR. a0, 1908.
9 1 4,24 1 Patented Mar. 2, 1909.
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ALONZO G. CALLENDER, OF PORT GIBSON, MISSISSIPPI.
ROAD-WORKIN MA CHINE.
Specification of Letters Patent.
Patented March 2, 1909.
Application filed March 30, 1908. Serial No. 424,369.
.my invention is to produce a simple, cheap and durable road machine that can be easily i managed.
With this object in view, my invention consists in the construction and combinations of parts as hereinafter described and claimed.
In the accompanying drawingsFigure 1 is a plan view of my improved road working machine. Fig. 2 is a side view of the same. Fig. 3 is a rear view of the same, and Fig. 4 shows the means for locking the caster wheel.
A represents the frame of the machine, which is rectangular in general shape and is composed of three parallel beams united together at the front by a cross beam 9, and having a flooring over the top thereof, this structure being preferably made of wood, thus making it light and cheap. Cross braces M serve to stiffen the structure.
10 represents the scraper blade, set at an angle to the frame, as is usual. This blade is supported by two arms S which are pivotally mounted at one end on the main axle Y of the machine. The rear ends of these arms are bent downwardly and secured to the rear side of the scraper blade by clamps H and bolts I).
The axle Y is mounted in beams Z extending downwardly from the main frame, and these beams are braced to the main frame and to the cross beam 9 by braces 0. It will thus be seen that the main axle is prevented from turning sidewise with relation to the main frame and that the pull on the scraper blade will be transmitted to said blade directly from said axle, which is a highly desirable result.
To each of the draw bars S is connected one end of a link G, and the other end of said link is connected to a lever W, provided with a quadrant 11. The construction on both sides of the machine is similar in this respect, except that one of the levers WV is pivotally mounted behind the drivers seat and the other in front of it on the side beams of the machine. By the construction shown,
l it will be evident either end of the scraper bar may be adjusted independently, or that both ends may be adjusted simultaneously, if desired.
To prevent the scraper blade from being moved sidewise, I provide a rod C, which is connected to one of the draw bars S and to the main frame. This prevents the movement of the scraper blade in one direction and movement of this blade in the opposite direction is prevented by the bent rod K,
which is secured to the main frame and projects downwardly on the inside of one of the draw bars S.
1 represents the drivers seat, which is placed nearly in the center of the machine so that the driver can operate all parts of the machine easily without leavin his seat, and C3 is a brace for the drivers feet.
It represents the caster wheel at the rear of the machine, there being no fifth wheel in this machine, said caster wheel being provided with ii -shaped projections on its circumference and mounted in a fork which bends downwardly and is pivotally mounted on the central beam of the framework, as shown at B. Ordinarily this fork is locked by the means shown in Fig. i, which consists of a bolt E, arranged to fit in a slot in the upper part of the fork and having a spring U surrounding it, which spring, bearing against the pin and a bracket projecting downwardly from the central beam of the frame, normally forces the bolt E into said perforation, locking the caster wheel fork.
J represents a wire connecting the bolt E with an operating lever L, which passes upward through a hole N in the central beam of the framework, to which beam it is pivoted.
The cross beam 9 supports the tongue of the machine in the usual way, on which tongue is pivotally mounted the double tree 7, which is connected to the main frame by stay chains 5.
The advantages of this construction are that the machine is comparatively light, being made mainly of wood; the wooden floor prevents the driver from falling under the wheels; the original cost of manufacture and the expenses of repair are comparatively small; no fifth wheel is employed, and therefore the machine is rigid and under control of the team; the caster wheel at the rear of the machine is ordinarily locked and is only unlocked when it is desired to turn the machine; the machine is provided with a direct and separate lift for each end of the scraper blade, and the parts are so arranged that the strain is brought almost wholly upon the main axle, where it should be.
I claim:
1. In a road working machine, the combination of a frame, a main axle mounted in fixed bearings on said' frame, a scraper blade and draw bars directly and pivotally mounted on said axle andfastened to said scraper blade, whereby the strain is brought directly upon said axle, substantially asli described.
2. In a road working machine, the combination of a frame, an axle mounted in fixed bearings on said frame, a scraper blade, draw bars attached to said scraper blade and directly and pivotally mounted on said axle, and means for adjusting both ends of said scraper blade, either simultaneously or separately, substantially as described.
3. In a road working machine, the combination of a main frame, an axle mounted in rigid bearings on said frame, a scraper blade, draw bars pivotally mounted on said axle and connected to said scraper blade, a caster wheel on the rear of said frame, and means for normally locking the bearings of said caster wheel against movement including a spring operated rod and lever, substantially as described.
4. In a road working machine, the combination of a main frame, an axle mounted in rigid bearings on said frame, a scraper blade, draw bars connected to said scraper blade and pivotally mounted on said axle, means for adjusting the ends of said scraper blade, and devices for preventing the movement sidewise of said scraper blade, consisting of a rod connected to said frame and to one of said draw bars, and a bent rod secured to 7 said frame and projecting downwardly inside of the other draw bar, substantially as described. I
5. In a road working machine, the combination of a main frame, an axle mounted in rigid bearings on said frame, a scraper blade,
a caster wheel, movable bearings in which
US42436908A 1908-03-30 1908-03-30 Road-working machine. Expired - Lifetime US914241A (en)

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US42436908A US914241A (en) 1908-03-30 1908-03-30 Road-working machine.

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US42436908A US914241A (en) 1908-03-30 1908-03-30 Road-working machine.

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