US2471978A - Apparatus for oiling parts - Google Patents

Description

y 1949- D. c. ROBSON APPARATUS FOR OILING PARTS Filed Dec. 21. 1945 INVENTOR D. C. ROBSON A T TORNEY Patented May 31, 1949 APPARATUS FOR OILING PARTS Duer C. Robson, Baltimore, Md., assignor to Western Electric Company, Incorporated, New York, N. Y., a corporation of New York Application December 21, 1945, Serial No. 636,403

4 Claims.

This invention relates to apparatus for oiling parts and more particularly relates to apparatus for oiling rollers of conveyer chains.

In the operation of conveyers having actuating rollers for actuating parts of the conveyers, it is necessary to oil the rollers. A conveyer having a large number of such rollers requires considerable time to oil the rollers manually.

An object of the invention is to provide new and improved apparatus for oiling parts.

Further objects of the invention are the provision of apparatus for automatically oiling rollers of conveyer chains while the conveyer chains are in use.

One apparatus embodying the invention includes a tank for retaining oil therein and a gravity-biased rocker pivotally attached to the tank and extending into the path of rollers of a conveyer chain. A wick secured to the rocker extends into the tank and wipes the rollers as they advance along the path, whereby the wick coats the rollers with oil.

A complete understanding of the invention may be obtained from the following detailed description of an apparatus for oiling parts forming one embodiment thereof, when read in conjunction with the appended drawing, in which Fig. 1 is a fragmentary vertical section of an apparatus for oiling parts embodying the invention, and

Fig. 2 is a fragmentary section taken along line 2-Z of Fig. 1.

Referring now in detail to the drawing, a conveyer I!) (Fig. 1) includes tracks ll-ll along which tracks a roller chain I2 is advanced by suitable means (not shown). The roller chain is supported between the tracks by support rolls l5-| 5.

A trip roll [6 (Fig. 2) having a, liner l8 positioned therein is secured by a bolt I9 upon an axle 28. The axle is secured to an extension 2| which is secured to supporting plate 22 carried by the chain l2.

A tank 25 for containing a supply of oil 26 has a bracket 21 projecting therefrom. A metallic arm 30 (Fig. 2) having a wick 32 fitted thereto is secured pivotally to the bracket 21 and is provided with a bracket 35 for this purpose.

A lower portion 36 of the metallic arm 30 is slightly curved and normally hangs in the path of the actuating roller I6. An upper portion 31 of the metallic arm is curved about a relatively short radius and the upper end 38 thereof normally engages the irmer portion of the tank 25 and limits the downward movement of the lower portion 36 of the metallic arm. An end portion '40 of the wick 32 is free and is positioned in the supply of oil 26, whereby the oil permeates the entire unimmersed portion of the wick by capillary action.

The trip roll l6 (Fig. 2) is provided with oil bores 4 l-- l l, which are aligned with the oil bores 42- 12 formed in the liner E8. The oil passes through the bores ll-4| and 42-42 to the axle 20, whereby the relatively movable surface of the liner 1 8 and the axle 20 is coated with oil.

In the operation-of the apparatus, the roller chain 12 (Fig. 1) is advanced along the tracks l 1-! l by suitable advancing means (not shown) toward the right, as viewed in Fig. 1. The trip roll [6 (Fig. 2) carried by the chain I2 is advanced into contact with the wick 32 and moves the wick and the metallic arm 30 upwardly as it is advanced therepast. Meanwhile, the trip roll l6 and the liner l8 are rotated on the axle 20 by the drag of the wick 32 upon the trip roll. As the roll it rolls along the wick 32, the weight oi. the metallic arm 30 presses the wick tightly against the trip roll and oil which has permeated the wick is squeezed into the oil bores M-fll. The oil passes through the oil bores ii-4i into the oil bores 42-42 formed in the liner l8 through which the oil passes to the axle 20, whereby the axle and the liner are lubricated. After the trip roll it has been advanced out of contact with the wick 32, the lower portion of the metallic arm 30 drops to its full-line position so that the next trip rolls (not shown) carried by the roller chain l2 will contact the wick 32, and the operation described hereinabove will be repeated.

The apparatus described hereinabove serves to lubricate trip rolls, illustrated by the trip roll l6 efilciently and automatically. The only attention required for the apparatus is that the supply of oil 26 must be replenished when necessary to prevent complete depletion thereof. Thus large numbers of actuated rolls may be lubricated automatically.

What is claimed is:

1. In a conveyer including a track and a conveyer element which may be advanced along the track in a predetermined direction, an oiler which comprises an oil tank positioned above the track, an arm pivotally connected to the oil tank with the lower end thereof urged by gravity into the path of the conveyer element, and a wick covering the approach side of the arm and extending into the tank, whereby oil in the tank is conducted by the wick to the conveyer element.

2. In a conveyer including a conveyer element and a track for guiding a conveyer element therealong as the conveyer element is advanced in a predetermined direction, an oiler which comprises a tank for retaining a supply of oil therein, a curved arm pivotally attached to the tank in such a, position that the upper end thereof projects into the tank and the lower end thereof is forced by gravity into the path of the conveyer element; .thezapproachlside of the armzb eing. con.- vex, anda wick'extending along the approach side of the arm from the lower end of the arm to the upper portion thereof and depending into the supply of oil, whereby the conveyenelementlcon, tacts the wick as it is advanced past the oiler and the arm squeezes oil outofrtl'ie wick onto; the conveyer element.

3. In a conveyer including a conveyer-element having a trip roll projecting laterallytherefrom; and a track for guiding the conveyer element therealong in a predetermined direction; an oiler which comprises a tankpositioned above the track forrretaining a" supply, of :oil; .aicurvedarm. pivote mounted" onthe: tank; with. the. lower end thereof extending downward-lyv into thelpath of the trip roll, and a wick serving as alfacingzfor thezapproachiside vof thezarm, thek upper end of the; wick extendinggbexond: theupper end of the arm. and projecting; into... the, supply of oil, whereby oil iscconvey ed ,bycapillary actionirom the upper. end ofathewickatmthelower end thereof and is squeezedtherefrommpon the trip r011 when the roll isadvancediintorcontact with the wick}.

4-; In a-.convey er; including, =a-.pair of tracks, a roller chain guidedialonggtheepair-of tracks in a 4 predetermined direction, a laterally projecting axle carried by the roller chain, a hollow roll having a bore extending from the exterior thereof to the interior thereof mounted rotatably upon the axle, an oiler which comprises a tank positioned above the tracks for containing oil, an arm pivotally secured to the tank, the upper end of said armbeing curyredihavingaashort radius and projecting into the tank and i the lower end of the arm depending into the path of the hollow roll, and a facing of wick material extending, from the lower end of the approach side of the arm into the supply of oil, the roll serving to engagerzanm roll along the facing when it is advancedpast the oiler, whereby the lower end of the facing and the lower end of the arm are forced upwardly; and oil is squeezed from the facing into the bores formed in the roll.

DUER C. ROBSON.

REFERENCES GIT-ED J The following: references are of*rec0rd'in the file of this patent-z UNITED. STATES PATENTS.

Number; Name. Date 7 35114811 Adams Oct. 19', 1886 FEOREIGNPA'I'ENTS Number Country. Date 5,417: GreatuBi-itain i-.. 1905 320,062; France Aug. 8; 1902 774; 584 France;- Sept;:.24, 1934

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