US1212714A

US1212714A - Automatic oiler.

Info

Publication number: US1212714A
Application number: US3182115A
Authority: US
Inventors: Walter F Van Guysling
Original assignee: Individual
Current assignee: Individual
Priority date: 1915-06-03
Filing date: 1915-06-03
Publication date: 1917-01-16
Anticipated expiration: 1934-01-16

Description

I Patented Jan.l16,1917.

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W. F. VAN GUYSLING. AUTOMATIC OILER.

APPLICATION FILED JUNE 3. I9I5.

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W. F. VAN GUYSLING.

AUTOMATIC OILER.

APPLICATION FILED JUNE 3.19I5.'

1 ,2 1 2971 4: y Patented Jan. 16, 1917.

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W. F. VAN GUYSLING.

AUTOMATIC OILER.

APPLICATION FILED IuNE 3.19m.

1,212,714. r Patented Jan.16,1917.

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5 SHEETS-SHEET 5.

Patented Jan. 16, 1917.

W. F. VAN GUYSLING.

AUTOMATIC OILER.

APPLICATION mso JUNE 3.1915.

WALTER F. rVAN GUY-suive, or ALBANY, NEW YORK.

AUTOMATIC OILER.

Specification of Letters Patent. Patented Jan, 16, 1917,

Application filed June 3, 1915. Serial No. 31,821.

To all whom it may concern Be it known that I, VAL'ri-in F. VAN GUYS- LIXG, a citizen of the United States of America., and a resident of Albany, county of Al'- bany, and State of New York, have invented certain new and useful lImprovements in Automatic Oilers, of which the following is a specification, reference being had to the accompanying drawings, "forming a part thereof. l

My invention relates to automatic'oilers and has special reference to such as are operatively connected to and regulated by, the machines with which they are utilized.

One object of my .invention is to provide a. reliable and effective device of the aforesaid character, that shall be particularly adapted to supply oil to the cylinder of an engine.

Another object is to provide a relatively simple and particularly positive driving connection for materially reducing the speed of the driven member relative to the driving member. v

Another object is to provide, in an oiler of the class above indicated, means for automatically stopping the action of the oiler when the oil is substantially' exhausted from the oil chamber of the device, and a releasing mechanism which shall prevent the resetting and further advancement of the mechanism until the oil chamber has been retracted for refilling.

.Ano-ther object is to provide a simple and readily detached connection adapted to be interposed between reciprocatory and oscillatory members.

Other objects andadvantages of my invention will be set forth hereinafter, and in order that my invention may be thoroughly understood I 'will now ,proceed to describe the same in the following specification and then point out the novel features thereof in appended claims.

Referring to the drawings: Figure 1 is a side elevation with the nozzle broken away and shown in section, of an automatic oiler arranged and constructed in accordance with my invention. i The nozzle is shown in front elevation in Fig. 2. Fig. 3 is a sectional elevation of the body of the mechanism, drawn to a larger scale. shown in plan view in Fig. L1. `Fig. 5 showsa portion of the driving connection between the engine `and the oiler. Fig. 6 is a sectional elevation .taken on the line 6-6 of The same mechanism is.

l.rocking pawl .taken on the line 12-12 of Fig. 9. Fig. 13 is a sectional detail taken on the line 13-13 of Fig. 9. Figs. 14 and 15 are sectional plan views taken respectively y on Vthe lines 14e-14: and 15-15 of Fig. 3.

Fig..16 is a sectional detail taken on the line 16-16 of Fig. 14. Fig. 17 is a sectional elevation on the line 17e-17 of Fig. 3. Fig. 18 is an elevation of the lower end o-f the mech-- anism taken at right angles to Fig. 1. Fig. 19 is a sectional bottom plan view taken on the line 19-19 of Fig. 3. The oiler comprises, in general, a stationary bracket, a vertical tube secured thereto and' extending downwardly therefrom, a

drum rotatively mounted 'on the tube which is provided'with a collar? Vfor the purpose, and a yokeor cup carrier mounted to slide within the drum vand screwed onto the tube so that the elevation o-f the cup is adjusted 'by turning thedrum andthe cup carrier. Furthermore, a piston is located near the lower end of the tube and is fitted into the cup which constitutes a movable cylinder cooperating with the stationary piston. A ratchet disk is rotatively mounted at Vthe top of the drum and an oscillating ring is similarly mounted above the ratchet on the tube. The ring isoperatively connected to the reciprocating parts of the engine or machine to be lubricated, so that an oscillation of the ring and a rod which isconnected thereto, is effected. lA pawl is mounted on the rod and is adapted to cooperate with the ratchet to produce a rotative movement thereofin one direction, a brake being provided to prevent the backward movementthereof. The Aratchet hasV an eccentric cam surface which cooperates with, and is adapted to oscillate, a pivoted arm on which another pawl is mounted. rlhe arrangement of'parts is such that the radial pawl carrying arm is oscillated about its pivot by the rotative movement of the ratchet. The lastn'amed pawl, which obviously is actuated at a very slow rate of speed relative tothe vfirst-named pawl, coperates with ratchet CLN teeth on the drum and produces a very slow rotative movement of the latter. An adjustable weight device is adapted toY either press the pawl into engagement with the ratchet teeth on the Vdrum or to hold it out of engagement therewith, depending upon the position in which it is set.- lThe tube .on which most of the parts of the device are mounted is provided with a check valve at its lower end within the cup and is connected at its upper end to the dischargenozzle of the device which is located in the feed pipe of the'engine.

Having now outlined the mechanism of my invention, I will describe it in detail with reference to the drawings, as follows: 20 indicates a stationary bracket which may be secured by bolts 21 or some other suitable means, to a, Vertical supporting surface 22. The bracket has an arm 23 provided with an enlargement 24, and a relatively short bifurcated projection V25. The enlargement 24 has a. tapped hole 26 through which a screw-threaded hollow stud or tube 27 extends. The bifurcated projection 25 is also perforated to receive a pivot pin 28. VvThetube 27 is rigidly afiixed in positionY by a lock nut 29 which is screwed onto the tube at its upper end against the enlargement 24 and is held against turning by a pin 30. The tube has a collar 31 at afixed distance below the arm 23, which supportsv a drum 32. The drum is partially closed at its upper end and has a bearing projection 33 which fits onto the tube above the collar 31. An oscillating ring 34 is mounted on the tube between the bearing 33 and the enlargement 24. Rotatively mounted on the bearing 33 is a ratchet 35 having a plurality of concentric sets of ratchetl teeth 36 on its plane top surface and an eccentric hub 37 having a cylindrical cam surface 38. The

number of ratchet teeth in each set is different for purposes of adjustment. The oscillating member 34 has a tangential hole 39 through which a rod 40 extends, the p0- sition of the rod'being xed as desired, by a set screw 41. Adjustably mounted on the rod (see Figs. 4 and 5) is a pawl 42 comprising a central hub 43 which may be fixed in any suitable position by a set screw 44, a relatively stationary arm 45 which eX- tends outwardly from the hub 43 and a pawl arm 48 adjacent to the stationary arm 45 having a bifurcated hub 49VV pivoted on the rodv 40. The arm 45 and the pawl arm 48 are provided with recesses 46 constituting seats for a compression spring 47 which tends to force the arms apart. The

hubs

43 and 49 have coperating lugs 5050 which are arranged so as to limit the movement of the pawl arm 48 relative to the'stationary arm 45, and consequently permit the pawl to Ybe adjusted as a unit without danger of losing the spring even when the vratchet 35. The rod 40 is adapted to be oscillated, together with the ring 34 by the machine or engine, with which the oiler is to be used, for examplef-the rod 51 shown in Fig. 4, may be connected to be recipro- Vcated 1n response to the' movement of an en- Igine valve gear and is connected to the rod 40 in any suitable way, the connection which I prefer being shown in Figs. 4, 7 and 8, to which special reference may now be had. Y The rod 40 is provided with a collar 52 near its outer end and is screw-threaded at 53 to receive a nut 54. Between the nut and the collar 52 is rotatively supported a trunnion block 55 having oppositeiy extending trunnions 56. A stud 57 is screwed onto the end of the rod 51 and supports a yoke composedVV of a. pair of angle blocks 58 and 59 having holes 60 throughwhich a screwthreaded projection 61 of the stud 57 extends (one of the holes 60 being tapped and one a clearance hole,in` accordance with usual practice), and holes 62 to receive the trunnions 56. A connection is thus established which permits the necessary freedom of movement of the rod 51, with the result that the reciprocatory motion of the engine parts is translated into an oscillatory move ment of the rod 40 and the ring 34.

The ratchet disk'35 has a circumferential groove 124 which receives a brake band, preferably comprising a piano wire ring 125. One endof'the ring extends tangentially into a hole 126 in a `lug 130 of the bracket 2O and is locked in position by a Vset screwV 127. A washer-128 Vis mounted to slide on the tangential end of the wire and a helical spring 129 isfinterposedfbetween the washer and the adjacentV surfaceV of the lug 130. The opposite end of the wire is bent around the tangential end forming a loop 131 adjacent to the washer 128, the ai'n rangement of parts being such that the spring tends closely to draw the wire around the ratchet disk and prevent a counterclocki f wise rotation of the disk. However, the disk is free to rotate in the opposite direction because the friction between the disk and the wire is such as to cause the loop 131 to compress the spring 129 and loosen the 'i band.

The rod 40 may obviously extend at any suitable angle from the bracket and the rod 51 may bear various relations to the rod 40 Vand evidently the oiler may be connected to be operated by machines ofV various sizes and types by merely eecting simple adjustments. j

Extending between the parts of the bifurcated projection 25 and pivotally connected ""i thereto by the pin 28, is a pawl `carrier 63 having a central enlargement which is provided with an elliptical hole 64 and is interposed between the ratchet disk 35 and the top of-the drum 32, the cam projection or hub 37 of the ratchet extending into the elliptical hole 64. The arrangement of parts is such that when the ratchet 35 is rotated the cam surface 38 of the projection 37 causes the pawl carrier 63 to oscillate about the pin 28 as a pivot. Beyond the ratchet 35 the carrier 63 has a hub projec- `tion 65 having a suitable hole 66 to'receive a vertical pivot pin 67. Laterally spaced from the hub projection 65 is a lug 68 which lies in a vertical plane as shown in Figs. 4 and 9 and supports a horizontal pin 69, as clearly shown in Fig. 11. The adjacent surface or the hub 65 has a recess 70 in which one end of the pin 69 is seated, a weight arm 71 and a crescent-shaped rocking pawl 72 being pivotally supported on the pin and disposed between the hub 65 and the lug 63.

` The hub 65 is further provided with a recess 73 (see Figs. 3 and 11) into which extends a laterally extending projection 74 from the rocking pawl 72. Pivotally mounted on the pin 67 is a pawl 75 having a biurcated'hub. This pawl 75 has a pair ot oppositely

laced lug projections

76 and 77 which are shown in section in Fig. 10 and which are respectively actuated as hereinafter explained, to throw the pawl into or out of engagement with a set of ratchet teeth 78 with which the drum 32 is provided.

The weight arm 71 has a slot 79 through which the pin 69 extends and which permits the arm to be adjusted into 'one of two positions shown respectively in full and dotted lines in Fig. 10. Tt has a laterally extending lug 8O which is adapted to engageone of the horns 81 of the crescent-shaped rocking pawl 72 when it is adjusted to the position shown in tull lines in Fig. 10.

The crescent-shaped pawl 72 is free to oscillate only within certain limits which are determined by the engagement of the lateral projection 74 with the ends of the recess 73 in the hub G5, but the weight of the arm 71, which is enlarged at its outer end, and tends to swing the arm downwardly, is applied through the pawl 72 to the ratchet pawl 75, the opposite horn 82 of the crescentshaped pawl 72 being in engagement with the lug 7G of the pawl 7 5 (see Figs. 4, 9 and 10). lVhen the weight arm is adjusted to its opposite position or is merely forced outwardly as hereinafter explained, and permitted to drop, the lateral projection is released from the horn 31 of the rocking pawl and comes into engagement with the lug 77 of the pawl 75. The action of the weight now tends to force the pawl 75 out of engagement with the ratchet teeth 7 S -1 while in the Vopposite position the weight tends to move thepawl 75 into engagement therewith. Thus it is evident that the weight mechanism constitutes a simple means, which is independent of any spring, for either pressing the pawl into engagement with the ratchet teeth or holding it away from the teeth.

The position of the weight may obviously be changed by hand either to set or release the pawl, but when set it is furthermore adapted to be automatically released. This is accomplished by a pawl 83 which is pivotally supported by a pin 84 from a downwardly extendingproj ection 85 of the oscillating pawl carrier 63. The pawl 83 has an upwardly extending arm 86 which is adapted to engage the inner end of the weight arm 71 as shown inl Fig. 10. Tt furthermore, has a downwardly extending release arm 87 which extends close 'to the outer surface of the drum 32 and near to a ring 88 which is mounted thereon. The arrangement of parts is such that when the ring, as hereinafter explained, is moved upwardly, it swings the pawl 83 about the pin S4 as a pivot and forces the weight arm outwardly so as to release it and permit it to tall from its full line position to its dotted line position in Fig. 10. In other words, when the ring is elevated it releases the pawl 75 from the ratchet teeth 78 since this pawl is controlled, as already explained, by the weight 71.

The drum 32 is provided with a pair of vertical slots 89 (see Fig. 16) through which extend inwardly projecting pins 90 from the ring 88. The pins normally rest at the bottom ends of the slots and hold the ring from falling.

The drum is provided with a pair of opposite vertically-grooved inwardly-extending ribs 91 which are arranged in quadrature relation relative to the pins 9() (see Fig. 14) and they are adapted to provide guideways for a frame or yoke 92 which is slidably mounted within the drum as clearly shown in Figs. 3 and 14. The yoke comprises a pair of spaced parallel side bars 93, a cross-bar 94 at the bottom having one or more handle projections 95, and a hub 96 at the top. The hub has a pair of laterally projecting extensions 97 at right angles to the plane of the side bars., which are adapted to engage the pins 90 when the yoke is suiiiciently elevated. They are at all times in vertical alinement with the pins. The hub 96 has a central tapped hole 98 (see Figs. 3 and 16) through which the screw-threaded tube or hollow stud 27 extends.

Thearrangement of parts is such that when the drum 32 and the yoke 92, which have a telescoping arrangement but cannot rotate independently of each other, lare turnedabout the tube 27 as an axis, the

yoke, by 'reason of its screw threaded relation to the tube is slowly elevated or lowered within the drum. rlhe top of the yoke is preferably provided with oil grooves which may be supplied through a hole 101 in a drum, to lubricate the coperating threaded parts.

The yoke 92 constitutes a carrier for a cylindrical cup 102 which is an oil or other lubricant container and acts like a movable cylinder with reference to stationary piston 103 which is secured to the lower end of the tube or hollow stud 27.

The piston may be constructed in any suitable manner and preferably has an annular projection 104 forming a recess in which is disposed a screen 105 held in place by a pin 106. The piston member also has a screw-threaded tubular projection 107 which is screwed into a tapped hole 10S in the lower end of the tube 27. Vithin the tubular projection 107 is a check valve 109 pressed closed by a spring 110, the spring being backed by a pin 111. The piston furthermore, comprises a ring 145 secured to the lower end of the tube 27 and a exible packing ring 146 which is clamped be tween the body of the pista and the ring 145, the body being provided with a bead 147 which grips the packing ring and makes an oil-tight joint between the piston projec tion 107 and the tube 27.

The cup may be mounted on the yoke 92 in any suitable way but for convenience in removing and replacing the cup which is necessary for refilling, 1 have provided a transverse Vdovetailed groove 112 in the base of the cup, which cooperates with the dovetailed headV 113 of a stud 114. This stud extends through a suitable hole 115 in the cross-piece 94 Vof the yoke and has Va nut 116 secured to its lower end. 1n order to permit the yoke to rotate freely with reference to thecup and stud, ball bearings are provided as indicated at 117.

For convenience in centering` the cup longitudinally of the head 113, the ends 'olf the groove 112 are mounted as shown at 113, and cooperate with a bow spring 119 which is secured by means of a screw 121, in a groove 120 in the dovetailed head 113. The nut'116 is held from turning by a pin 122 and the screw 121 is held from turning by a pin 123. Side bars 93 of the yoke 92 are preferably graduated as clearly shown in Fig. 18, to indicate the amount of lubricating il uid remaining in the cup, as more fully explained in connection with the operation or' the device. l L

itis evident that the tube communicates with the cup, the check valve being so arranged as to permit fluid to be forced from the cup upwardly through the tube. rlhe Yupper end of the tube is connected by a suitable pipe 132 to a discharge nozzle.V

lWhile my device is of course adapted to be used with nozzles of various kinds, the kind selected being dependent upon the machine to be oiled and various other conditions of service, 1 have shown andv described what I believe to be a particularly advantageous form of nozzle for discharging theoil in a finely divided state into the feed pipe of a steam engine.

Referring to Figs. 1 and 2, 133 indicates the steam pipe, the'arrow 134 indicating the direction of flow of steam therein. Extending into the pipe 134 is a nozzle 135 having a screw-threaded shank 136 connected at its outer end by a union 137 to the pipe 132, and set in a plug 138. The nozzle itself is in the form of a bent tube flattened at its open end as shown at 139 and having an opening 140 back ofV the discharge end of the convex side of the bend in the tube. The nozzle is set in the pipe 133 with the flattened discharge end 139 in the center of the pipe and extending in the direction of the arrow 134, that is to say, in the direction of the flow of steam in the pipe, the hole 140 being so located as to receive a certain amount of steam suilicient to break up the oil so that it is discharged into the steam pipe in a finely divided state.

The operation oi" the apparatus is as follows z-Assuming that the cup 102 is par` ltially filled with lubricating fluid and that the rod 51 is connected to a reciprocating part of an engine, the movement 'of the rod 51 will produce an oscillatory movement of the ring 34 by reason of the connection established through the rod 40 between the ring and the rod 51. lThe pawl 42 will consequently be oscillated about the center of the tube 27 as an axis. The pawl, as already explained, may be set to coperate with any one of the sets of ratchet teeth 36 (three sets beingillustrated), and will produce a step by step rotative movement o' the ratchet, the speed of movement depending upon the row of ratchet teeth engaged by the pawl and upon the stroke of the rod 51. The ratchet isV prevented from being backwardly rotated when the pawl oscillates in a clockwise direction (see F ig. 4) by the brake wire 125, the action of which has already been explained.

The rotation of the ratchet 35 produces an oscillation of the pawl carrier 63, by reason of the engagement of the eccentric cylindrical projection 37 with the hole 64 in the carrier. It is evident that the pawl carrier 63 is oscillated slowly since it is moved over and back only once for each revolution of the ratchet 35. The pawl 75 which is pivotally mounted on the pawl carrier and engages the ratchet teeth 78 of the drum 32, serves to produce a very slow rotative movement of the drum. Y

Since the yoke 93 is mounted in guideways icc in the drum itY rotates with the drum and by I8@ reason of the fact that it` is screwed onto the externally-threaded lower end of the tube 27, it acts like a traveling nut and moves upwardly as the drum is turned. As the yoke moves upwardly it of course carries the cup 102 with it and since the piston 103 is stationary, being affixed to the lower end of the stationary tube 27, the lubricating fluid contained in the cup is forced upwardly through the screen 105 and into the tube 27, lifting the check valve 109 in opposition to the spring 110.

Of course the cup advances very slowly but since the lubricating fluid is practically non-compressible it is very positively forced upwardly and gradually fills the tube 27 and flows through the pipe 132, being finally forced outwardly through the nozzle 139. If it is assumed that steam is flowing at a rapid rate in the direction of the arrow 134 in the feed pipe 138, it will enter the opening 140 in the nozzle and will be discharged with the lubricating uid from the flattened end of the nozzle, the steam mingling with and breaking up the fluid so that it is discharged into the center of the pipe in a finely divided state and is carried into the engine cylinder where it is utilized for lubricating the cylinder walls.

Should the flattened discharge opening of the nozzle become clogged the oil will be forced out through the opening 140 and since it will enter the center of the pipe 137 in any event, it will be carried along by the steam and do its work.

When the oil is nearly exhausted from the cup, the piston being near the bottom, the lugs 97 of the yoke 92 attain a sufficient height to engage the pins which are attached to the ring 88, and a slight further upward morement of the yoke raises the ring 8S which in turn actuates the pawl 83. rlhis pawl when actuated throws the weight arm 71 outwardly and releases the lateral lug 30 from the horn 81 ofthe rocking pawl 72. Thus, the weight arm is released and falls into its lower position, as shown in broken lines in Fig. 10 and the lateral lug S0 engages the lug 7 7 of the pawl 75. This pawl is released in consequence and occupies an inoperative position. Although the oscillating pawl carrier 63 moves in response to the moving parts of the engine or machine to which the lubricant is supplied, the motion is not transmitted to the drum and the oiler is inoperative. The height of ring 88 is then such that the weight arm 71 cannot be moved back to its former position. By this means all danger of injuring the parts of the device is avoided and furthermore the weight arm 71 acts as an indicator to show when the coil container should be refilled. In fact, the graduations which are found on the side bars 93 of the yoke 92, as shown in Fig. 18, are intended to warn an attendant when to refill the container without waiting for the oiler to be stopped automatically. In any event, after the weight arm 71 has been thrown intol its lower position, either automatically or by hand, the attendant, by means of the handle 95, turns the yoke and drum 32 in a counterclockwise Vdirection so as to lower the yoke. free from the pistonwhen the cup is removed laterally, is refilled and replaced. rlfhe yoke can be lowered easily although the piston'fits 'closely into the cup, because the ball-bearings allow the yoke to turn free from the cup which merely slides off of the piston and does not rotate. The yoke is then'turned by hand until the piston is well seated in the cup and engagespthe surface of the fluid therein, and then it is only necessary to reset the weight arm 71 in itsV elevated position by swinging it upwardly and pushing it in, so that the lug 8,0 engages the horn 81, to re'e'stablishthe automatic oil feeding operation of the device;y

By reason of the fact that my oiler is very positive in its action and is particularly unlikely to become disarranged, it isA well adapted for use in lubricating the cylinders of a locomotive although, of course, it is not limited to any particular class of service.

Various structural modifications may be effected within the spirit and scope of my invention, but I intend that only such limitations be imposed as are indicated in the appended claims.

That claim'is:

1. An oiler comprising a piston, an 'outlet connected to the piston, a containerv adapted to cooperate with the piston, a connection comprising a ratchet and pawl, re-Y sponsive to the -machine to be lubricated for causing the piston to approach the bottom of the container', a weight arm pivotally supported near the pawl and adapted to be elevated to hold the pawl in engagement with the ratchet teeth and adapted when released from its elevated position tohold the pawl out of engagement with the ratchet teeth. Y

2. An' oiler comprising a piston, an outlet connected to the piston, a container adapted to cooperate with the piston, a con-y nection comprising a ratchet andpawl, responsive to the machine to be lubricated for causing the piston to approach' the bottom of the container, a weight arm 'pivotally supported near the pawl and adapted to be elevated to hold the pawl in engagement with the ratchetl .teeth andv adaptedV i 'when released from its elevated position to hold the pawl out of engagement with the ratchet teeth; and a trigger dependent upon a predetermined relative position of the piston and container for releasing the arm.

This lis continued until the cup is toY y3. An oiler com arising a iston an outlet connected to the piston, a container adapted to cooperate With ythe piston, a connection comprising a ratchet and paivlfresponsive to the machine to be lubricated' for causing the piston to approach the bottom of the pa-Wl in engagement with the ratchet teeth when the Weight arm is ulc'rumed on one horn of the rocker, and .meansror releasing the arm from the rocker when the` piston approaches the bottom of the container.

An oiler comprising a piston, an outlet connected to the piston, a container adapted to coperate with the piston, a connection comprising a ratchet and pawl, responsive to the machine to be lubricated for causing the piston to approach the bottom. Yof the container, a Weight arm, a crescent-shaped rocker coaxiall'y pivoted near the paivl, said rocker being adapted to hold the pawvl in engagement With the ratchet teeth when the Weight arm is fulcrumed on one horn oi the rocker, and a trigger dependentupon a predetermined relative position of the piston and container for releasing the arm.

5. An oiler comprising Ya piston, an outlet connected to the piston, a. container'adapted to coperate with the piston, a' connection comprising a ratchet and pawl, responsive to the machine to be lubricated for causing the 'piston to approach the bottom of the container, a pivoted Weight arm, a crescentshaped rockerrcoaxially pivoted with the Weight arm and adapted to hold the paxvl in engagement with the ratchet teeth when the weight arm is'fulcrumed on one horn of the rocker, said Weight arm being adapted to act directly upon the paWll to hold it out of engagement with the ratchet teeth when f' the Weight arm is released from the rocker horn.

6. An oiler comprising a piston, an outlet connected to the piston, a container adapted to coperate With the piston, a connection comprising a ratchet and paWl, responsive to the machine to be lubricated for causing the piston to approach the bottom of the container, a pivoted weight arm, a crescentshaped rocker coaxially pivoted With the Weight arm and adapted to hold the paw] in engagement With the ratchet teeth When the VWeight arm is fulcrumed on one horn of the rocker, said Weight arm being adapted to act directly upon the pavvl to hold it out of engagementV With the ratchet teeth When the Weight arm is released from the rocker horn, and a trigger dependent upon a predetermined relative position of the piston and container for releasing the Weight arm.

7. An oiler comprising a piston, an outlet connected to the piston, a container adapted to coperate With thepiston, a con- Vcrescent-shaped rocker coaxially pivoted nection comprising a ratchet and pavvl, responsive to the machine to be lubricated for causing the piston to approach the bottom of the container, a pivotedwveight arm, a

with the weight arm,said Weight arm being provided with a lateral projection adapted to engage one horn of the rocker and to cause the rocker to act upon and hold the paivl in engagement With the ratchet teeth, fr

' 8. An oiler comprising a piston, an outlet connected to the piston, a container adapted to cooperate Withthe piston, a connection comprising a ratchet and pa'vvl, responsive to the machineto be lubricated for causing a the piston to approach the bottom of the container, a pivoted Weight arm, a crescentshaped rocker'coaXia-lly pivoted With the Weight arm,"meansV for limiting the oscillatory movement of the rocker on its pivot, e

said Weight'armV being provided with a lateral projection adapted to engage one horn of the rocker and to cause theV rocker to act upon and hold the paWl in engagement with the ratchet'teeth. Y

9. An oiler comprising a piston, an outlet connected to the piston, a'container adapted toV coperate With the piston, a connection comprising a ratchet and pawl, responsive to the machine toV be lubricated for causing e the piston toapproach the bottom of the container, a. pivoted Weight arm, a crescentshaped rocker coaXially pivoted With the Weight arm, said Weight arm being provided With a lateral projection adapted to engage one horn of the rocker and to cause the rocker to act upon andhold the paivl in engagement with the ratchet teeth and said Weight arm being adjustable to release its lateral projection from the horn of the rocker and 'l f being adapted to act when released upon the paivl directly to hold it out of engagement with theV ratchet teeth.

10. An oiler comprising a piston, an out- Ylet connected to the piston, a container fifi adapted to cooperate with the piston, a connection comprising a ratchet and paivl, sponsive to the machine to Vbe lubricated for causing the piston to approach the bottom oiV the container, a pivoted Weight arm, a

crescent-shaped rocker coaXially pivoted with the Weight arm and adapted to hold the paWl in engagement with the ratchet teeth when the Weight arm is fulcrumed on one horn of the rocker, said Weight arm being 1 adapted to act ldirectly upon the pawl to hold it out of engagement with the ratchet teeth when the Weight arm is released from the rocker horn, a trigger dependent upon a predetermined relative position of the piston and container for releasing the Weight arm, and a trigger for releasing fthe arm from the rocker.

1l. An automatic oiler comprising a stationary tubular pistonV rod, a piston at its lower end, a check valve in the tubular rod near the piston, a drum rotatively mounted on the piston rod, a yoke slidably mounted within the drum and screwed onto the stationary piston rod, a cylindrical container mounted on the yoke and adapted to cooperate with the piston, and means dependent upon the moving parts of the machine to be lubricated for turning the yoke to raise the cylindrical container and force the lubricating fluid therefrom through the check valve and through the hollow piston rod. v

12. An automatic oiler comprising a stationary tubular piston rod, a piston at its lower end, a check valve in the tubular rod near the piston, a drum rotatively vmounted on the piston rod, a yoke slidably mounted within the drum and screwed onto the stationary piston rod, a cylindrical container mounted on the yoke and adapted to cooperate with thel piston, and a ratchet and pawl mechanism for slowly turning the drum to elevate the container and force the lubricating fluid therefrom through the check valve and through the hollow piston rod.

13. An automatic oiler comprising a stationary t-ubular piston rod7 a piston at its lower end, a check valve in the tubular rod near the piston, a drum rotatively mounted on the piston rod, a yoke slidably mounted within the drum and screwed onto the stationary piston rod, a cylindrical container mounted on the yoke and adapted to cooperate with the piston, an independently rotatable ratchet, an oscillating pawl carrier adaptedto be oscillated by a rotative movement of the ratchet, a pawl mountedon the carrier and adapted to actuate the drum, and means dependent upon the machine to be lubricated for aotuatingthe ratchet.

14. An automatic oiler comprising a stationary tubular piston rod, a piston at its lower end, a check valve in the tubular rod near the piston, a drum rotatively mounted on the piston rod, a yoke slidably mounted within the drum and screwed onto the stationary piston rod, a cylindrical container mounted on the yoke and adapted to cooperate with the piston, a ratchet rotatively mounted on the drum, a ring rotatively supported adjacent to the ratchet and adapted to be oscillated by the movement of the machine to be lubricated, a pawl mounted to oscillate with the ring and adapted to produce a rotative movement of the ratchet, a pawl carrier adapted to be oscillated by the rotative movement of the ratchet, a pawl mounted on the pawl carrier, and ratchet teeth on the drum adapted to be actuated by the pawl for producing a gradual rotative movement of the drum. Y

15. An oiler comprising a stationary piston, lan outlet connected to the piston, a container VJfor lubricating fluid adapted to cooperate with the piston, a rotatable member having a iiXed relation to the piston, a carrier slidably mounted-in said member and adapted to turn with it, and a stationary screw-threaded support adapted to cooper-l ate with the carrier for moving the containerrelative to the piston, whereby the fluid in the container is forced through the outlet pipe. v

16. An oiler comprising a stationary piston, an outlet connected to the piston, a container for lubricating liuid adapted to coperate with the piston, a rotatable member having a lixed relation to the piston, a carrier slidably mounted in said member and adapted to turn withit, and a stationary screw-threaded support adapted to cooperate with the carrier for moving the container relative to the piston; and means dependent upon the machine to be lubricated for rotating the carrier.

17. An oiler comprising a stationary piston, an outlet connected to the piston, a container for lubricating fluid adapted to cooperate with the piston, a rotatable member having a fixed relation to the piston, a carrier slidably mounted in said member and adapted to turn with it, a stationary screwthreaded support adapted to cooperate with the carrier for moving the container relative to the piston, means dependent upon the. machine to be lubricated for rotatingthe carrier, and means for stopping the movement of the `carrier when the piston approaches the bottom of the container.

18. An oiler comprising a stationary pisthe {iuid in the container is forced through the outlet pipe, and means for stopping the i movement of the carrier when the piston approaches the bottom of the container.

19. An oiler comprising a stationary piston, an outletconnected 'to the piston, a container for lubricating fluid adapted to cooperate with the piston, a rotatable member having ratchet teeth in fixed relation to the' piston, a carrier slidably mounted vin said member and adapted to turn with it, a stationary screw-threaded support adapted to cooperate with the carrier for moving the container relative to the piston, whereby the fluid inthe container is forced through the outlet pipe, means for stopping the movement of the carrier when the piston approaches the bottom of the container, an actuating pawl, and means for releasing the pawl when the piston approaches the bottom of the container.

20. An automatic oiler comprising a stationary tubular piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod, a Acarrier slidably mounted within the drum, a cylinder adapted tocontain a lubricating Huid, mountedon the carrier with the piston extending downwardly into it, and meansdependent upon the moving parts of the machine to be lubricated for slowly raising the cup topforce'the lubricating fluid upwardly through the tubular piston rod.

2l. An automatic oiler comprising af stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted (to contain a lubricating Huid, mounted on the carrier with the piston extending downwardlyinto it, and means dependent upon the moving parts of the machine to be lubricated Vfor turning the drum and carrier to raise the cup and :torce the lubricating fluid outwardy through'the tubular piston rod.

22. An automatic oiler comprising a stationary tubular externally-'threaded piston rod, a piston at-its lower end, a drum rotatively mounted on the piston rod and .having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts of the machine to be lubricated, and a pawl mounted thereon and adapted to cooperate with the ratchet teeth of the drum for producing a slow rota- Y tive move-ment of the drum and carrier.

23. An automatic oiler comprising astationaryrtubular externally threadedV piston rod,apiston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drinn, a cylinder adapted to contain a lubricating. fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts of the machine to be lubricated, a pawl pivotally mountedron the carrier and adapted to cooperate with the ratchet teeth of the drum, and means for releasing the pawl when the piston approaches the bottom or" the cyl-j inder. Y

24C. An automatic oiler comprising a stationary tubular externally-threaded pistonl rod, a piston at its lower end, a drum rotatively mounted on the piston'rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly intoit, a pawl carrier adapted to be oscillated in response to the moving parts of the machine to be lubricated, a pawl pivotally mounted on the carrier and adapted to cooperate with the ratchet teeth of the drum, and a weight mechanism mounted on the pawl carrieil for holding the pawl either in an operative or an inoperative position relative to the ratchet.

25. An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a crum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating i'iuid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts ofthe machine to be lubricated, a pawl livotally mounted on the carrier and adapted to cooperate with the ratchet teeth of the drum, a weight mechanism mounted on the pawl carrier for hold- Ving the. pawl either in an operative or an inoperative position relative to the ratchet,

and means for automatically adjusting the weight mechanism to release therpawl when the piston approaches the bottom of the cylinder.

26.Y An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rota` tively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidablyV mounted within the drum, a cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts of Vthe machine to be lubricated, a pawl pivotally mounted on'the carrier and adapted to cooperate with the ratchet teeth of the drum, a weight arm Apivotally mounted on the pawl carrier and adapted to hold the pawl in engagement with the ratchet teeth when adjusted to one position and adapted to release the pawl when adjustedfto another position, and a Ytrigger mounted on the pawl carrier for throwing the weight arm from one position Y to the other when the piston approaches the bottom of the cylinder. Y

.27. An automatic oiler comprising a stationary tubular externally-threaded piston v rod, a piston at its lower end, a drum rotathe piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts of the machine to be lubricated, a pawl pivotally mounted on the carrier and adapted to coperate with the ratchet teeth of the drum, a weight arm pivotally supported on the pawl carrier on a horizontal axis and adapted to be elevated to hold the pawl in engagement with the ratchet teeth and adapted when released from its elevated position to hold the pawl out of engagement with the ratchet teeth.

28. An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the pist0n rod and slidably mounted within the drum, a cylinder adapted tocontain a lubricating Huid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts of the machine to be lubricated, a pawl pivotally mounted on the carrier and adapted to cooperate with the ratchet teeth of the drum, a weight arm pivotally supported on .the pawl carrier on a horizontal axis and adapted to be elevated to hold the pawl in engagement withl the ratchet teeth and adapted when released from its elevated position to hold the pawl out of engagement with the ratchet teeth, and a trigger dependent upon a predetermined relative position of the piston and the cylinder for releasing the arm.

29. An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidabljy mounted within the drum, a cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving parts of the machine to be lubricated, a pawl pivotally mounted on the carrier and adaptedto cooperate with the ratchet teeth of the drum, a weight arm, anda crescent-shaped rocker coaxially pivoted on the pawl carrier, and a trigger pivotally mounted on the pawl carrier, said weight arm having a lateral projection adapted to engage one of the horns of the rocker when elevated, the opposite horn of the rocker being in engagement with the pawl and arranged topress the pawl into engagement with the ratchet teeth.

30. An automaticy oiler comprising a lstationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within'the drum, a cylinder adapted to contain a lubricating fluid, mounted `on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be'oscillated in response to the moving parts of the machine to be lubricated, a pawl pivotally mounted on the carrier and adapted to coperate with the ratchet teeth of the drum, a weight arm having a longitudinal slot and horizontally pivoted on the pawl carrier, the pivotal axis extending through said slot, a crescent-shaped rocker coaxially pivoted with the arm and adapted to engage the pawl with one of its horns, said weight having an offset projection adapted to engage the other horn of the rocker in, an elevated position and to press the pawl through the intervention of the rockerv into engagement with the ratchet teeth. 81. An automatic oilercomprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating Huid, mounted onitlie carrier with the piston extending ldownwardly into it, a pawl carrier-adapted to be oscllated in'response to the moving parts of thev machine to be` lubricated, a pawl pivotallyl mounted on the carrier and adapted to icoperate with'the ratchet teeth of the drum, a weight arm having a longitudinal slot and horizontally pivoted on the pawl carrier, the pivotal axis extending through said slot, a crescentshaped rocker coaxially pivoted with the arm and adapted to engage thepawl *with* one of its horns, said weight having an oil-v setprojection adaptedfto engage the other' horn of the rocker in an elevated position and to press thepawl through the intervention of the rocker into engagement with the ratchet teeth; and a trigger pivotally mountedon'the pawl ,carrier for releasing the armfrom the rocker. v

32. An automatic oiler comprising a stationary tubular externally-threaded piston rod,a piston at its lower end, a drum rotatively mounted on the piston rod and havingY ratchet teeth, a carrier screwed onto' the piston rod and slidably mounted within the drum, a cylinder adapted to contain alubricating fluid, mounted ,on the carrier with the piston extending downwardlyinto it, a'pawl carrier adapted to be oscillated in response to the moving parts of the machine tobe lubricated, a pawl pivotally mounted onthe carrier andadapted to Vcoperate' with ythe ratchet teeth of the' drum, a weight arm having a longitudinal slot andl horizontally pivoted on thepawl carrier, the pivotalaxis extending through said slot', ya crescent-v shaped rocker coaxially piv'oted with ,the`

arm and adapted to engage the .pawl with one of its horns, said weight having an oli'- set projection adapted to engage the other horn vof the rocker in an elevated position and to press the pawl through the intervention of the rocker into engagement with the ratchet teeth; and a trigger pivotally mounted on the pawl carrier for releasing the arm romth'e rocker, said arm when -released being adapted to act directly upon the pawl to hold it out of engagement with the ratchet.

33. An automatic oiler comprising .a stationary tubular externally-threaded piston rod, a'piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier Vscrewed onto the piston rod and slidably mounted within` the drum, a cylinder adapted to'contain a lubricating Huid, mounted on the carrier with the piston extending downwardly into it, ,a

' pawl carrier adapted Vto be oscillated inresponse to the moving parts of the machine to be lubricated, a pawl-pivotally mounted.

onthe carrier and adapted to cooperate rwith the ratchet teeth of the drum,a weight arm pivotally mounted on therpawl carrierfand adapted to hold the pawl inV engagement with the ratchet teeth when adjusted to one position and adapted to release the pawt when adjusted to another position, Vand atrigger mounted on the pawl carrier for` throwing the weight arm from one position to the other when the piston approaches the bottom of the cylinder, `a ring slidably mounted on the drum adjacent to the trigger, having pins extending through slots in the drum, arranged to \be engaged by the carrier when the piston approaches the bottom of the cylinder and adapted to actuate the trigger. Y.

34. An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating luid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated Vini'esponse to the moving parts ot' the machine-to be lubricated, a pawl pivotally mounted on the carrier and adapted to coperate with the ratchet teeth of the drum, a weight arm pivotally supported on the pawl carrier on a horizontal axis and adapted to be elevated to hold the pawl in engagement with the ratchet teeth and'adapted when released from its elevated position to hold the pawl out of engagement with the ratchet teeth, a trigger dependent upon a predetermined relative position of the piston and the cyl- Y inder for releasing the arm, and a sliding ring mounted VVon the drum adjacent to theV trigger, having pins extending through slots in the drum, arranged to be engaged by the carrier when the piston approaches the bottom of the cylinder and adapted to actuate the trigger.

An vautomatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having Vratchet teeth, a carrier screwed onto vthe piston rod and slidably mounted within the drum, a. cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to the moving partslof the machine to be lubricated, a pawl Vpivotally mounted on the carrier and adapted Vto coperate with the ratchet teeth of the drum, a weight arm, and crescent-shaped rocker coaxially pivoted on the pawl carrier,V a trigger pivotally mounted on the pawlV carrier, said weight arm having a lateral projection adapted to engage one of the horns of the rocker when elevated, the opposite horn of the rocker being in engagement with the pawl and arranged to press-the pawl into engagement -with the ratchet teeth; and a Asliding ring cating Huid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier adapted to be oscillated in response to-the moving parts of the machine to be lubricated, a pawl pivotally mounted on the carrier and adapted to coperate with the ratchet teeth of the drum, a weight arm having a longitudinal slot and horizontally Vpivoted on the pawl carrier, the pivotal axis extending through saidV slot, a crescent-shaped rocker coaxially pivoted with the arm-and adapted to engage the pawl with one of its horns, said weight having an offset projection adapted to engage the other Vhorn of the rocker in an elevated position and to press the pawl through the intervention of the rocker into engagement with the ratchet teeth, a trigger pivotally mounted on the pawl carrier for Vreleasing the larm from the rocker., and a sliding ring mounted on the drum adjacent to the trigger, having pins extending throngh. slots in the drum7 arranged to be engaged by the carrier when the piston approaches the bottom of the cylinder and adapted to actuate the trigger.

37. An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier having a central opening, a ratchet rotatably mounted and having an eccentric cam projection extending into the opening of the Vpawl carrier and adapted to oscillate the carrier, a pawl mounted on the carrier and adapted to cooperate with the ratchet teeth of the drum for producing a slow rotative movement of the drum and carrier, and a member oscillating in response to the machine to be lubricated and having a pawl adapted to actuate the cam ratchet.

38. An automatic oiler comprising a stationary tubular externally-threaded piston rod, a piston at its lower end, a drum rotatively mounted on the piston rod and having ratchet teeth, a carrier screwed onto the piston rod and slidably mounted within the drum, a cylinder adapted to contain a lubricating fluid, mounted on the carrier with the piston extending downwardly into it, a pawl carrier having a central opening, a ratchet rotatably mounted on said drum, and having an eccentric cam projection extending into the opening of the pawl carrier and adapted to oscillate the carrier, a pawl mounted on the carrier and adapted to cooperate with the ratchet teeth of the drum for producing a slow rotative movement of the drum and carrier, and a member oscillating in response to the machine to be lubricated and having a pawl adapted to actuate the cam ratchet.

39. An oiler comprising a stationary member, a cooperating pressure-producing mem-l ber, a reciprocatory driving member, an oscillatory pawl connected thereto, a rotatable ratchet responsive to the pawl, an oscillatory pawl carrier eccentrically driven by the ratchet, a toothed pressure-producing member, and a pawl mounted on the pawl carrier and cooperating with the pressureproducing member to produce slow rotative movement thereof.

40. An oiler comprising a rotatable drum having Vinterior longitudinal guideways, a yoke adapted to slide in the guideways within the drum and having a tapped hole in its inner end, a stationary tube externallythreaded to receive the yoke, a piston on one end of the tube, and means mounted on the yoke for supporting a cylindrical container which is adapted to cooperate with the piston.

41. An oiler comprising a discharge nozzle, a stationary piston, a pipe connection between the piston and the nozzle, a check rvalve in the pipe near the piston, a rotatable drum Vhaving ratchet teeth, a yoke mounted to slide in said drum, a fluid container constitutingl a movablecylinder and adaptedto cooperate with the piston, means for actuating the drum, and resilient means for centering the container on the yoke.

42. An oiler comprising a piston, an outlet pipe connected to the piston, a check valve in the pipe, a carrier adapted to be moved in response to the machine to be lubricated, a fluid container constituting a movable cylinder vand adapted to cooperate with the'piston,and a dove-tailed connector for removably securing the container to the carrier. Y

43. An oiler comprising a piston, an outlet pipe connected to the piston, a check valve in the pipe, a carrier adapted to be moved in response to the machine to .be lubricated, a fluid container constituting a movable cylinder and adapted to cooperate with the piston, and a rotatable stud mounted on the carrier and having a head of dovetailed section, said container having a dovetailed groove in its bottom surface to cooperate with the head of the stud.

44. An oiler comprising a piston, an outlet pipe connected to the piston, a check valve in the pipe, a carrier adapted to be moved in response to the machine to be lubricated, a fluid container Vconstituting a" let pipe connected to the piston, a check valve in the pipe, a carrier adapted to be moved in response to the machine to be lubricated, a fluid container constituting a movable cylinder and Aadapted to cooperate with the piston, a rotatable stud mounted on the carrier and having a head of dovetailed section, said container having av dovetailed groove in its bottom surface to coop- Y erate with the head of. the stud, and a spring secured in a groove in the stud and cooperating with the cup to centerv it relative to the stud. y

In witness whereof, I have hereunto set my hand this 1st dayV of June, 191,5.

WALTER F. VAN GUYSLING.

Copies of this patent may be obtained for ive-cents each, by addressing the Commissioner of Patents',

Washington, D. 0. v