US47700A - Improvement in railroad air-brakes - Google Patents
Improvement in railroad air-brakes Download PDFInfo
- Publication number
- US47700A US47700A US47700DA US47700A US 47700 A US47700 A US 47700A US 47700D A US47700D A US 47700DA US 47700 A US47700 A US 47700A
- Authority
- US
- United States
- Prior art keywords
- brakes
- improvement
- belt
- eccentric
- wheel
- 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
- 238000010276 construction Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- NHUHCSRWZMLRLA-UHFFFAOYSA-N Sulfizole Chemical compound CC1=NOC(NS(=O)(=O)C=2C=CC(N)=CC=2)=C1C NHUHCSRWZMLRLA-UHFFFAOYSA-N 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 101710026474 cry1Ae Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000002459 sustained Effects 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
- G05G1/10—Details, e.g. of discs, knobs, wheels or handles
- G05G1/12—Means for securing the members on rotatable spindles or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20474—Rotatable rod, shaft, or post
Definitions
- my invention consists in applying an eccentric or cam wheel to the lower end of the windlass or shaft by which carbrakes are operated; in providing such eccentric or cam wheel with a band for distribnt ing the pressure, and in combining this device with the other parts of a car-brake.
- the truck-frame A A, &c. the wheels B, the brake-bars D, the rubbers f, the rods 0 and e, and the lever d are all made in any of the known forms, as the design of improvement is that it may be used in connection with any -of the known forms of trucks or brakes.
- the bar 0 is designed only to show a portion of the bottom of the car-box, and used simply for the purpose of attaching the windlass so that the model can be operated. I attach this windlass in any of the known forms, and do not confine myself to the form shown at l, 0, and p.
- the windlass--where my invention principally applies- is made of iron or other suitable material.
- the eccentric wheel or cam b which is made about twelve inches in diameter, and attached to the shaft an about three inches from the center, so as to make a variation of about six inches at any given point by turning half-way around. In operating the brake it will not usually be necessary to turn the lever is more than one-fourth of the distance around.
- I also make a groove in the periphery of the eccentric wheel or cam b, in which I fit the belt a.
- This belt is made of wrought-iron or other suitable material, and made to fit nearly the en tire circumference of the eccentric, as shown, and attached to the rod 0.
- This belt may be made of cast-iron by making it in pieces or sections, and it will be obvious that it need not fit the entire circumference of the eccentric wheel I).
- the Windlass could also be made to operate by fastening the belt or a chain at apoint on the wheel I); but in that case it would have no further effect than a crank.
- the draft or strain is distributed'and sustained on both sides of the eccentric, one side letting down while the other is taking up, so that by applying the same amount of power to the lever k,I can get a much stronger pressure on the brakes than could be obtained by the same arrangement without a sliding belt.
- Another advantage which I obtain by this arrangement is the rapidity with which it can be operated, as its full strength can be brought to bear by turning the lever is half around.
- This lever 70 can be made of a single bar, as shown, or made in the form of a wheel, as may be desired.
- the ratchet i and pawl h are made and attached so that in braking the brake is held by the pawl in position without being set or operated by the brakeman.
- the brake is unfastened by placing the foot on the rear end of the pawl h.
- the belt a when used for distributing the pressure on the wheel b.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Braking Arrangements (AREA)
Description
NlTED STATES FERDINAND E. GAN DA, OF CHICAGO, ILLINOIS.
. IMPROVEMENT IN RAILROAD AIR-BRAKES.
Specification forming part of Letters Patent No. 47,700, dated May 16, 1865.
To all whom it may concern Be it known that l, FERDINAND E. GANDA, of the city of Chicago, in the county of (look and State of Illinois, have invented a new and Improved Mode of Operating Brakes to Railway-Oar Wheels; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the accompanying drawings, making a part of this specification, in which Figure 1 is a vertical section, and Fig. 2 a bottom view.
Like letters refer to similar parts in both of the figures.
The nature of my invention consists in applying an eccentric or cam wheel to the lower end of the windlass or shaft by which carbrakes are operated; in providing such eccentric or cam wheel with a band for distribnt ing the pressure, and in combining this device with the other parts of a car-brake.
To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.
The truck-frame A A, &c. the wheels B, the brake-bars D, the rubbers f, the rods 0 and e, and the lever d are all made in any of the known forms, as the design of improvement is that it may be used in connection with any -of the known forms of trucks or brakes.
The bar 0 is designed only to show a portion of the bottom of the car-box, and used simply for the purpose of attaching the windlass so that the model can be operated. I attach this windlass in any of the known forms, and do not confine myself to the form shown at l, 0, and p.
The windlass--where my invention principally applies-is made of iron or other suitable material. At the lower endI attach the eccentric wheel or cam b, which is made about twelve inches in diameter, and attached to the shaft an about three inches from the center, so as to make a variation of about six inches at any given point by turning half-way around. In operating the brake it will not usually be necessary to turn the lever is more than one-fourth of the distance around. I also make a groove in the periphery of the eccentric wheel or cam b, in which I fit the belt a. This belt is made of wrought-iron or other suitable material, and made to fit nearly the en tire circumference of the eccentric, as shown, and attached to the rod 0. This belt may be made of cast-iron by making it in pieces or sections, and it will be obvious that it need not fit the entire circumference of the eccentric wheel I). The Windlass could also be made to operate by fastening the belt or a chain at apoint on the wheel I); but in that case it would have no further effect than a crank. By using the eccentric and belt the draft or strain is distributed'and sustained on both sides of the eccentric, one side letting down while the other is taking up, so that by applying the same amount of power to the lever k,I can get a much stronger pressure on the brakes than could be obtained by the same arrangement without a sliding belt. Another advantage which I obtain by this arrangement is the rapidity with which it can be operated, as its full strength can be brought to bear by turning the lever is half around. This lever 70 can be made of a single bar, as shown, or made in the form of a wheel, as may be desired.
The ratchet i and pawl h are made and attached so that in braking the brake is held by the pawl in position without being set or operated by the brakeman. The brake is unfastened by placing the foot on the rear end of the pawl h.
Having thus fully described my improvements, what I claim as my invention, and desire to secure by Letters Patent, is-
1. The belt a, when used for distributing the pressure on the wheel b.
2. The combination of the eccentric wheel or earn 1) and the belt a with the connecting rod or chain 0.
8. The arrangement of the shaft m eccentric wheel or cam b, belt a, and the ratchet and pawl 43 and h, all being arranged and operatingsubstantially as set forth and specified.
FERDINAND E. OANDA. Witnesses:
L. L. Bonn, G. N. SHEARS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US47700A true US47700A (en) | 1865-05-16 |
Family
ID=2117255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US47700D Expired - Lifetime US47700A (en) | Improvement in railroad air-brakes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US47700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040027033A1 (en) * | 2002-08-08 | 2004-02-12 | Schiller Peter J. | Solid-state acceleration sensor device and method |
-
0
- US US47700D patent/US47700A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040027033A1 (en) * | 2002-08-08 | 2004-02-12 | Schiller Peter J. | Solid-state acceleration sensor device and method |
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