US1490992A - Lubricator - Google Patents

Description

Appie 2,2 1924. 1,490,992

Z. TISHER LUBRIC'ATOR Filed March 6 1923 2 Sheets-Sheet 2 gIICCHl/Oi Patented JApr. 22, i924.

ZACEBIAH TISHER, GF SPOKANE, WASHINGTON.

LUBRICATOR.

Application led March 6, 1923.

To all whom z'z may concern:

Be it known that l, ZACHRIAH TISHER, a citizen of the United States, residing at Spokane, in Spokane County and State of Washington, have invented certain new and useful improvements in Lubricators, of which the following is a specilication.

My present invention relates to improve ments in lubricators especially adapted for oiling or lubricating the side faces of the flanges of wheels of railway cars, and other vehicles, as for instance the forward wheels of the truck of a street railway car, as the car is rounding a curve. The normally inoperative lubricator is moved to operative position by means of a motive fluid, as compressed air, and is returned to normal pos1- tion or retracted when the power of the motive fluid is released, by means of a contracting spring.

In connection with the lubricator I employ a friction roller of the trolley-wheel type, which is projected into operative posi- 'tion with relation to a wheel flange for distributing thereon the oil or lubricant, and after having performed its function is with* drawn, together with the lubricating device.

The invention consists in certain novel combinations and arrangements involving the operation of the lubricator and oil distributing wheel or roller as will hereinafter be more fully pointed out and claimed.

ln the accompanying drawings I have illustrated one complete example of the phys ical embodiment of my invention wherein the parts are combined and arranged according to the best mode l have thus far devised for the practical application of the principles of my invention.

Figure l is a longitudinal, vertical secs tional view of a portion of a street railway car having the invention adapted thereto.

Figure 2 is an enlarged, view in side elevation of the lubricating device, one of which may be used at each side of the front portion of the car truck.

Figure 3 is a top plan view of one of the lubricating devices.

Figure 4 is a longitudinal, vertical, sectional view of one of the lubricators showing the operating parts in normal, inoperative position.

Figure 5 is a detail sectional view of the pneumatic control for the lubricators, located at the platform or floor of the car for Serial No. 623,258.

actuation by means of the `foot of the motorman.

lVhile the device of the invention is read ily adapted for various forms of rolling stock, for convenience of illustration I have shown at C in Figure l a conventional form or type of street railway car with the equipment of my invention ap lied thereto. The truck 'frame l of the car 1s utilized for supporting the lubricating apparatus and the front wheels 2, one at each side of the car, are oiled or` lubricated for the purpose of reducing friction between the wheel flanges and track rail. The air brake system of the car C is illustrated as the source of supply for the motive fluid, the conventional form of air tank being indicated at 3, ywith an air pipe 4 leading to the air control for the car designated at 5, at the frontof the car .in Figure l.

Two air supply pipes 6 and 6', one `extending from the platform to each side of the car beneath its floor are connected to an air control device 5 secured on the platform, and operating as will be hereinafter describd, are utilized for conveying motive pressure to the lubricators, and this pedal operated device 5 is connected by pipe 4 to the service air tank 3 to receive compressed air therefrom.

An oil supply tank 7 is located in convenicnt position on the car, and its pipe 8 permits oil to flow by gravity to the lubricators, a check valve 9 being interposed in the oil pipe to prevent back pressure from compnssed air.

At l0 beneath the car an oil supply pipe 8 is connected with an air supply pipe as 6, in lFigure l, and as this connection is made above the outlet end of the oil p-ipe, it will be apparent that when air under pressure is supplied to pipe 8 for instance, the oil pipe 8 below the joint will be forced to the lubricator l1, while` check valve 9 will prevent return of roil from pipe 8 to its tank 7.

One of the lubricators, designated as a whole by the' numeral l1, is located at each side of the front of the truck frame l, and supported on the base plate l2 which is attached to the truck fra-me. The base plate is secured to the truck frame directly in front of one, of the wheels Q, and is fashioned with a supporting head 13 at its rear end in which head a tubular member 14 is liXed.

Billrlfhe rear end of the tube is closed by a screw plug 15, and the relatively aed Atube and head have a laterally extendingY port 16 therein through which oil and air under compression are introduced to the interior of the tube from one of the pipes 8.

Jointly supported on the fixed tube and base plate is a reciprocable, slide head 127 having a central longitudinal bore 18 closely tting over the exterior of the tube and adapted to slide thereon. vThe front end of the bore of the slide head is closed by a screw plug 19, andthe free end of the supporting tube 14 terminates within the head. Resilient connection `is made between the slide head and the fixed tube by means of the spring 20 which is connected at 21 to the slide head and at 22 is connected to the interior ofthe tube within the fixed head. Under normal conditions the spring holds the slide head in position as shown in Figure e, and the gasket 23 between the free end of the tube and the screw plug or closure 19 of the slide head, prevents escape of oil from the interior of the tube. A packing gland 2e is carried by the slide head and surrounds the tube to prevent escape of oil from the rear end of the bore of the slide head.

The slide head is adapted to be projected forward under pressure of air, as will be described, and when such pressure is releasfd the spring is designed to retract or return the slide head to normal position.

At its front end the slide head is fashioned with a pair of arms 25 forming a supporting yoke for the pin or axle 26 which is disposed between the arms of the yoke and arranged transversely of the car wheel. A laterally movable, oil distributing, or lubricating wheel is rotatably supported on the axle, and comprises a bushing 2'? and a pair of spaced disks 28, 28, threaded on the exterior of the bushing which is provided with complementary threads 29. Thus the disks may be relatively adjusted onV the threaded bushing, and hired in p0si tion by means of the lock nut 30, as seen in Figure 3.

The lubricating wheel is loose on the axle and laterally movable thereon to compensate for relative movement of the wheel and its truck, and to insure proper location of the lubricating wheel a pair of guide arms 31 are fixed on the base plate 12of the lubricator. The free ends yof these guide arms converge, as seen in Figure 3 and project at all Vtimes between the two disks. When the lubricating wheel is projected with the slide head the necessary freedom of movement of the lubricating wheel longitudinally of the axle is permitted.

Each lubricating device carries an oscillatible lubricating nozzle 32 which receives oil and air under pressure from the tube 1e.

amores The nozzle is pivotally supperted to swing in a4 horizontal plane above the slide head, and is providedwith a distributing head 33 located between the two disks of the lubricating wheel. At each side of the head 33 a plate 3e is fixed, `as by bolt 34 and the outer sides of these plates conform to the cont-our or curved faces of the inner sides of the disks which are designed to frictionally engage the flange of a wheel 2. A longitudinally extending oil and air duct 35 is provided within the nozzle and this duct connects with the diverging, laterally extending branches 34; in side plates 3ft of the distributing head 33.

The nozzle is pivot-ally supported on the slide head through the hollow boss 36 fashoned at they top of the head and a bushing 37 threaded into the boss. A. pivot pin.38 is retained within the bushing and is provided at its lower end with a flange 39, which is packed to prevent escape of oil or leakage of air. The pin is fashioned with a central passage 40 that communicates with an angular passage l1 in the slide head, and this passageterminates at the bore 18 of the tube 14C, in order that the passage of air and oil from the tube may be controlled by the position of the slide head on the tube. Thus it will be apparent that with the parts in normal position as indicated in Figure 4, exit of air and oil from the interior of the tube and the bore of the slide head is cut off, but when the slide head is projected longitudinally of the tube, the end of the passage 41 passes beyond the free end of the tube, and at that time communicates with the interior bore of the slide head for passage therefrom of oil and compressed air to the nozzle. The volume of oil and air passing through the pivot pin to the nozzle may be controlled by a needle valve 4:2, ywhich is provided with an indicator 4:3 of usual construction.

The pneumatic control device indicated as a whole by the numeral 5 in Figure 1 ineludes a valve casting 44 having duplex chambers del therein having their ends closed by plugs d5. The supply valves 46 and 4:7 in the respective chambers control the passage of oil and air to the lubricators at the sides of the car, it being apparent that when these valves are lifted, independently, the pressure being introduced from the chambers, which communicate, to the desired pipe 6 or 6. Valve heads-48 and 9, each rigid with its respective valve 46, 47 are designed to be lifted with their supply valves to close the exhaust outlet -50 when one of the lubricators is to be operated. The cross conduit 51V connects the two chambers below the supply outlets to pipes 6 and 6 in order that only one exhaust outlet is necessary, and the crossV conduit 51 connects the chambers above the supply valves in order that one pipe d is required for admislll sion of oil under pressure to the valve casing.

The valve stems 52 and 53 which are rigid with the valves as 46 and 47 are slidable through threaded bushings 54 in the bottom of the valve casing, and a spring as 55 on each stem normally holds the pair of supply valves closed and the pair of exhaust valves open, as in Figure 5.

Attached to these valve stems are connecting rods 56 which extend to the platform of the car, and are liftable through the opera-tion of pedals 57 on the platform of the car and accessible for depression by foot power.

Thus when it is desired to lubricate the flange of the wheel 2, the motorinan depresses the pedal 57 to elevate one or the other of the valves 46, 47. lf the valve 46 is lifted air flows through the valve casing into pipe 6, it being understood that the exhaust is closed. The pressure of air in pipe 6 forces oil from the lower end of pipe 8 into the lubricator and projects the lubricator as described, to bring the lubricating roller into frictional contact with the opposite faces of the wheel flange. Oil under pressure is forced through the nozzle and through the distributing head at the free end of the nozzle onto the inner faces of the disks of the roller, and as these faces of the disks are in frictional contact with the wheel flange, the oil is applied thereto by contact from the lubricating roller. The lubricated wheel flange thus rounds a. curve without grinding, and also transfers the lubricant to the track rail in order` that the following wheel may also roll against the' track without grinding.

The lubricating roller, which is laterally movable on its aXle will readily follow the truck wheel should there be relative movement between the truck frame and car wheel,

and as the nozzle is pivotally suspended on the slide head, the nozzle also is moved with the laterally movable lubricating roller. B y this arrangement of parts the proper operative position of the lubricating roller is insured at all times. The guide arms 31, as before described, maintain the lubricating roller in proper position in order that it may be directly applied to the wheel flange when desired.

-By this means a reliable and economical lubricating equipment is provided which is operated with facility, is durable, and while it is simple in construction and operation, is comparatively perfect in the performance of its required functions.

Having thus fully described my invention, what l claim is:

l. The combination with a pair of lubricating devices each comprising a slide head and its transversely movable lubricating roller, a pivoted nozzle for co-action with said roller, pressure actuated means for projecting said head and supplying lubricant to the roller when said head is projected, of a pair of selective valves in said pressure actuated means for controlling the movement of said heads, and pneumatic connections for operating a selected valve.

2. ln a lubricating device the combination with a slide head having a yoke, an axle, an externally threaded slidable bushing on the axle and a pair of laterally adjustable disks threaded on the bushing, means for projecting the slide head and means for retracting said head, of a nozzle pivoted on said slide head having a distributing head located between said disks, and side plates on said distributing head adjacent to the respective disks.

ln testimony whereof l affix my signature.

ZACHRAH 'FISI-IER.

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