US7086A - Kailroad-tkttck - Google Patents

Kailroad-tkttck Download PDF

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Publication number
US7086A
US7086A US7086DA US7086A US 7086 A US7086 A US 7086A US 7086D A US7086D A US 7086DA US 7086 A US7086 A US 7086A
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Prior art keywords
endless
rolls
track
truck
trucks
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D15/00Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
    • B22D15/005Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor of rolls, wheels or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B1/00Spoked wheels; Spokes thereof
    • B60B1/06Wheels with compression spokes
    • B60B1/08Wheels with compression spokes formed by casting

Definitions

  • FIG. 1 represents the frame of a railroad car, supported on two of my trucks.
  • Each of these consist-s of an axle B uniting two endless tracks C, around each of which an endless chain of friction rolls is arranged.
  • the endless chain is composed in this instance of ten rolls, a, each having a broad cylindrical barrel terminated at each end by flanges 0 and running upon a broad rail (Z on the center of the endless track which is adapted to the breadth of the barrels between the flanges.
  • the rolls are each furnished with two journals which project from their ends in the line of the axis, and which are connected on each side of the roll with the journals of the preceding, and succeeding rolls by links 6, so as to constitute an endless chain surrounding the endless track.
  • Each end of the axle of the truck is cylindrical and is fitted to a corresponding socket or box in the endless track, so that the latter can rock upon the axle in passing over inequalities in the railroad track.
  • the truck may be connected with the car by any of the devices now used to connect four wheeled trucks wit-11 cars.
  • the endless chain of rollers which thus surrounds the endless track, is prevented from slipping off the track, by the flanges on the ends of the rolls.
  • the friction of a truck constructed as above described is less than that of an ordinary wheel truck, as there is no weight upon the axles, and consequently, the expenditure of force required to overcome the friction at that point is saved. It possesses an advantage over all systems of friction rolls previously used in locomotion, because the rolls from the breadth of their barrels, and the corresponding breadth of the endless track, maintain themselves in an erect position without the assistance of axles to connect the rolls at one side of the truck, with those on the opposite side. Hence they can be arranged beneath the car in separate trucks, which possess all the advantages of wheel trucks in accommodating themselves to the inequalities and the curvature of the railroad track, while they are superior to them in working with less friction.
  • running gear is applicable to carriages of all descriptions, and also to wheelbarrows, and hand trucks; it is also particularly adapted to the moving of large and heavy masses, such as houses or heavy blocks of stone, and to the raising of ships on dry docks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Escalators And Moving Walkways (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Description

J. INGERSOLL.
Car Truck.
Patented Feb. 12, 1850.
mwwmw N. PUERS, PHoTamnocmrnm WASHINQTON, D a
JAMES INGERSOLL, OF GRAFTON, OHIO.
RAILROAD-TRUCK.
Specification of Letters Patent No. 7,086, dated February 12, 1850.
To all whom it may concern:
Be it known that I, JAMns INcnRsoLL, of Grafton, in the county of Loraine and State of Ohio, have invented a new and useful improvement in the RunningGear of Railroad-Cars and other Carriages, of which the following is a full, clear, and exact description, reference being had to the accompanying drawing, which forms part of the specification, and in which- Figure 1 represnts an elevation of the frame and trucks of a railroad car constructed in the manner invented by me, and Fig. 2, is a vertical transverse section through the center of a portion of one of the trucks.
In the drawing A represents the frame of a railroad car, supported on two of my trucks. Each of these consist-s of an axle B uniting two endless tracks C, around each of which an endless chain of friction rolls is arranged. The endless chain is composed in this instance of ten rolls, a, each having a broad cylindrical barrel terminated at each end by flanges 0 and running upon a broad rail (Z on the center of the endless track which is adapted to the breadth of the barrels between the flanges. The rolls are each furnished with two journals which project from their ends in the line of the axis, and which are connected on each side of the roll with the journals of the preceding, and succeeding rolls by links 6, so as to constitute an endless chain surrounding the endless track. Each end of the axle of the truck is cylindrical and is fitted to a corresponding socket or box in the endless track, so that the latter can rock upon the axle in passing over inequalities in the railroad track. The truck may be connected with the car by any of the devices now used to connect four wheeled trucks wit-11 cars. The endless chain of rollers which thus surrounds the endless track, is prevented from slipping off the track, by the flanges on the ends of the rolls. It is obvious that this result may be accomplished with equal certainty by making the rolls plain cylinders, and placing a flange on each side of the track; or by making a single flange or rib on the periphery of the rollers, and a corresponding groove in the endless track for the rib to run in; or by making a continuous rib on the endless track, and grooving the barrels of the rollers.
The friction of a truck constructed as above described, is less than that of an ordinary wheel truck, as there is no weight upon the axles, and consequently, the expenditure of force required to overcome the friction at that point is saved. It possesses an advantage over all systems of friction rolls previously used in locomotion, because the rolls from the breadth of their barrels, and the corresponding breadth of the endless track, maintain themselves in an erect position without the assistance of axles to connect the rolls at one side of the truck, with those on the opposite side. Hence they can be arranged beneath the car in separate trucks, which possess all the advantages of wheel trucks in accommodating themselves to the inequalities and the curvature of the railroad track, while they are superior to them in working with less friction.
This description of running gear is applicable to carriages of all descriptions, and also to wheelbarrows, and hand trucks; it is also particularly adapted to the moving of large and heavy masses, such as houses or heavy blocks of stone, and to the raising of ships on dry docks.
Having thus described my improvements in railroad-cars and other carriages, what I claim therein as new and desire to secure by Letters Patent is The combination of an endless track on the frame of the carriage With an endless series of rollars running thereon and guided by flanges; the endless track being supported on the peripheries of the rollers which intervene in endless succession between it and the surface of the ground or rail and which are broad enough to keep themselves erect and steady without the use of axles or rods extending across the carriage.
JAMES INGERSOLL.
Witnesses: I
P. H. VVATsoN, E, S. RENWIOK.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020197955A1 (en) * 1999-05-26 2002-12-26 Johnson Controls Technology Company Wireless communications system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020197955A1 (en) * 1999-05-26 2002-12-26 Johnson Controls Technology Company Wireless communications system and method

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