US470078A - Propelling-gear for tramway-locomotives - Google Patents
Propelling-gear for tramway-locomotives Download PDFInfo
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- US470078A US470078A US470078DA US470078A US 470078 A US470078 A US 470078A US 470078D A US470078D A US 470078DA US 470078 A US470078 A US 470078A
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- Prior art keywords
- gear
- wheel
- tramway
- locomotive
- propelling
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Links
- 238000010276 construction Methods 0.000 description 12
- 230000003137 locomotive Effects 0.000 description 10
- 210000001503 Joints Anatomy 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B17/00—Reciprocating-piston machines or engines characterised by use of uniflow principle
- F01B17/02—Engines
- F01B17/04—Steam engines
Definitions
- This invention is designed as an improvement on theinvention in locomotives for tramways described and claimed in Letters Patent No. 452,124, granted to me May 12, 1891, the objects thereof being to simplify the construction of the propelling-gear .thereof and render the connection of the trucks with the locomotive-frame and of the truck-gearing with the gearing on the crank-shafts more flexible in operation.
- A is the boiler, B thecab, C the fuel and water tank, D the locomotiveframe, these parts being substantially the same in construction as described in my Letters Patent No. 452,l24,hereinbefore referred to.
- I preferably use two cylinders E E on each side of the locomotive instead of the single cylinder shown in the above-mentioned patent. From these cylinders E E connecting-rods ff and f f extend to crank-shafts F F, which are mounted in bearings a a on the locomotiveframe D, preferably about midway between the Wheels b b of the trucks G G.
- I Centrally upon each of the crank-shafts F F, I mount a ball-and-socket-joint connection consisting, preferably, of a ball H, secured to the shaft F, and a socket I, surrounding said ball and operativelyconnected therewith, havingagear-wheelhmounted thereon,saidsocket I also having trunnions d d thereon, upon which trunnions d CZ domes J over the top of the .gear-wheels h h rest, and are secured by braces jj to cross-pieces c c on the truck-frames.
Description
(No Model.) 2 Sheets-Sheet 1.
C. D. SCOTT. PROPELLING GEAR FOR TRAMWAY LOGOMOTIVES.
No. 470,078. Patented Mar. 1, 189.2.-
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C. D. SCOTT. PROPBLLING GEAR FOR TRAMWAY LOOMOTIVBS- No. 470,078. Patented Mar. 1, 1892.
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CHARLES D. SCOTT, OF CORRY, PENNSYLVANIA.
PROPELLING-G EAR FOR TRAMWAY-LOCONIOTIVES.
SPECIFICATION forming part of Iietters Patent N o. 470,078, dated March 1, 1892. Application filed October 10, 1891. Serial No. 408,393. (No model.)
T0 all whom, t may concer-71,:
Be it known that I, CHARLES D. SCOTT, a citizen of the United States, residing at Corry, in the county of Erie and State of Pennsylvania, have invented certain new and useful 'Improvements in Propelling-Gear for Tram- M v invention consists in the improvementsv in the propelling-gear for tramway-locomotives hereinafter set forth and explained, and illustrated in the accompanying drawings, in which- Figure 1 is a top plan view of my improved tram way-locomotive, the boiler, cab, and npper works being removed therefrom. Fig. 2 is a side elevation of my improved tramwaylocomotive, the upper portion of the boiler and cab being broken away. Fig. 3 is an enlarged end view of the propellinggear of same, partially in elevation and partially in section. Fig. 4 is enlarged detail view of the same.
Like letters refer to like parts in all the figures.
This invention is designed as an improvement on theinvention in locomotives for tramways described and claimed in Letters Patent No. 452,124, granted to me May 12, 1891, the objects thereof being to simplify the construction of the propelling-gear .thereof and render the connection of the trucks with the locomotive-frame and of the truck-gearing with the gearing on the crank-shafts more flexible in operation.
Other features of my invention will more fully appear hereinafter in the specification .and claims.
In the construction of my -improved propelling-gear for tramway-locomotives shown in the drawings, A is the boiler, B thecab, C the fuel and water tank, D the locomotiveframe, these parts being substantially the same in construction as described in my Letters Patent No. 452,l24,hereinbefore referred to. In this construction, however, I preferably use two cylinders E E on each side of the locomotive instead of the single cylinder shown in the above-mentioned patent. From these cylinders E E connecting-rods ff and f f extend to crank-shafts F F, which are mounted in bearings a a on the locomotiveframe D, preferably about midway between the Wheels b b of the trucks G G.
Centrally upon each of the crank-shafts F F, I mount a ball-and-socket-joint connection consisting, preferably, of a ball H, secured to the shaft F, and a socket I, surrounding said ball and operativelyconnected therewith, havingagear-wheelhmounted thereon,saidsocket I also having trunnions d d thereon, upon which trunnions d CZ domes J over the top of the .gear-wheels h h rest, and are secured by braces jj to cross-pieces c c on the truck-frames. On the under side of thelocomotive-frameD caps K K are secured, which fit down over the domes J J, formingthepivotal points of movement between the locomotive-frame D and the trucks G G, the major portion of the Weight of the locomotive being otherwise su pported by the usual and ordinary connections (not shown) between the same and the trucks.
Centrally upon one of the axles g of each of the trucks G, I secure a gear-wheel L, and surrounding said gear-wheel L, I mount a cover M, adapted to inclose the same, and on one side of the cover M isa projection m, provided with the lower halves N N of shaftbearings, in which is mounted the shaft 'n of a gear-wheel O, which operates as an intermediate between the gear-wheel 71. on the crank-shaft F and the gear-wheel L on the truck-axle g, the upper halves of the boxes in which the shaft n operates being semicircnlar bushings N. Around the bearings N N are clamped boxes P P on the lower ends of stirrnps p p, which have boxes P P on the upper ends thereof surrounding the trunnions cl d on the socket I, the object of this construction being to keep the intermediate gear-wheel O always in mesh -with the driving-wheel h on the crank-shaft F and with the gear-Wheel L on the truck-axle g, regardless of the movement of the trucks G. The cover M, surroundin g the gear-wheel L, I make with a removable upper section M', and in IOO the extension fm, thereon I make slots m', adapted to pass over the shaft n, so that the cover M may be easily detached from the mechanism surrounded thereby when desired. Between the truck-wheels b and b are ordinary connecting-rods R R, by which the power is transmitted from the wheels b b to the wheels 1) 1) of the trucks G. By means of this construction all of the wheels under xo the trucks G G operate as driving-wheels, while at the same time the trucks are free to follow the curves and inequalities of the tracks upon which the locomotive is being operated.
Having; thus fully described my invention, so as to enable others to construct and open ate the same, what I claim as new, and desire to secure by Letters Patent of the United States, is-
l. The combination, in a tramwaylocomotive, ot' cylinders secured to each side of a locomotive-frame, and a crank-shaft driven by said cylinders, mounted in bearings on the locomotive-frame, and a gear-wheel mounted in bearings on the truck-frame, ball-andsocket joints in the hub of 'said gear-wheel, through which said crank-shaft passes and by means whereof motion is communicated to said gearwheel, a `gear-Wheel on one of the 3o truck-axles, and an intermediate gear-wheel between the gear-wheel on the crank-shaft and the gear-wheel on the truck-axle, substantially as and for the purpose set forth.
2. The combination, in a tramway-locomotive, of cylinders secured to each side of a locomotive-frame, and crank-shafts F F, driven by said cylinders, mounted in bearings on the locomotive-frame, with gear-wheels 7L, mounted in bearings secured to the truckframe, ball-and-socket joints II I in the hubs of said `rear-wheels h,throughwhichthe crank shafts F F pass and by means whereof said crankshafts communicate motion to the gearwheels h, gear-wheels L on one side of the axle g ot each truck, intermediate gear-wheels O between the `gear-Wheels 7L and L, mounted in bearings N N in the projection m on the caso M and supported vertically in stirrups p, extending from trunnions d on the socket I to and surrounding the bearings N N', and the con necting-rods R R between the truck-Wheels b b', substantially as and for the purpose set forth.
3. The combination, in a tramway-locomotive, of a dome-shaped cap J, secured to the trucks G, and a gear-wheel, as h, mounted in bearings secured to said cap J, with the cupshaped bearings K on the locomotiveframe, substantially as and for the purpose set forth.
The combination, in a tramway-locomotive, of a gear-wheel L, secured to one of the axles of each truck, as g, and a sectional case or cover, as M, surrounding said gear-wheel L, with a projection, as m, on said cover M, having bearings N therein, an intermediate gear-wheel, as O, mounted in said bearings N, and stirrups, as p p, extending from the bearings N and forming a fiexible joint therewith to and around trunnions, as (l cl, on a socket, as I, surrounding the main crankshafts F F of the locomotive, substantially as and for the purpose set forth.
In testimony whereof I affix my signature in presence of two witnesses.
CHARLES D. SCOTT.
Witnesses:
ll. J. GURTZE, L. ALsnAoHT, Jr.
Publications (1)
Publication Number | Publication Date |
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US470078A true US470078A (en) | 1892-03-01 |
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US470078D Expired - Lifetime US470078A (en) | Propelling-gear for tramway-locomotives |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050061505A1 (en) * | 2003-09-24 | 2005-03-24 | Halliburton Energy Services, Inc. | Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
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0
- US US470078D patent/US470078A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050061505A1 (en) * | 2003-09-24 | 2005-03-24 | Halliburton Energy Services, Inc. | Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
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