USRE15061E - op san francisco - Google Patents

Description

E. B. CANTRELL AND G. E. MILLER.

OIL RETAINER.

APPLICATION FILED NOV 10| 1920. Reissued Mar. 15, 1921. 15,061

INVENTORS [ow/N CFNTRELL 65ans: f. M/LLER.

WITNESS ap ATTORNEYS www,

UNITED STAT-Es PATENT OFFICE.

EDWIN B. CAN'IRELL, OF sAN FRANCISCO, AND GEORGE EDWARD MILLER, oF OAK- LAND, CALIFORNIA, AssIGNORs 'rorCANTRELL-MILLER MANUFACTURING con. FANY, OF sAN FRANCISCO, CALIFORNIA, A CQRFORATION OF CALIFORNIA.

OIL-RETAINER.

Specification of Reissued Letters Patent. Reissued Mal- 15, 1921 Original No. 1,291,397, dated January 14, 1919, Serial No. 189,788, filed September 5, 1917. Application for reissue led November 10, 1920. Serial No. 423,197. i'

To all whom it may concern:

Be it known that we, EDWIN B. CANTRELL and GEORGE E. MILLER, citizens of the United States, respectively residing in the city and county of San Francisco, and )akland, county of Alameda, State of California, have invented new and useful Improvements in Oil-Retainers, of which the following is a specification.

The inventio-n relates to an oil retainer, and particularly to improvements on the oil-retainer shown in our former Patent No. 1,057,656, issued April 1st, 1913, and also improvements in the oil-retainer shown in Patent No. l1,291,397 issued January 14, 1919.

One of the objectsof the presentinvention is to provide a simple, cheaply manuactured, easily applied packing member to be used in connection with axle housings on automobiles, gear housings and bearings in general through which a shaft or axle extend and which are generally filled with a lubricant that has a tendency to leak or esca e around the axle. Another Object oi' the invention is to provide a novel form. of expansible washer for securing the packing member in place and locking it against turning movement with relation to the shaft andhousing in which it is inserted.

In this connection it is an important object to provide a method for positioning and eil'ectually securing the expansible device in its place, and, also for forming a hermetic seal at the seat on which the device is placed. Further objects will hereinafter appear.

The invention consists of the parts and the construction and combination of parts as hereinafter more fully described and claimed, having reference to the accompanyin drawings, 1n whichiigure 1 is a central, longitudinal section through an axle housing, showing a suitable form of tool for inserting the packing member and expanding the packing washer.

Fig. 2 is a similar view, showing the packing member and a washer in lace. l

Fig. 3 is a side elevation o the oil-retainer. o

Fig. 4 is a central, vertical section through same.

Fig. 5 is an end view of the retainer.

formed exteriorly of the sleeve are circum- I ferential grooves 6 and'7 which are provided for the reception of a pair of coil spring rings 8. Adapted to be attached to the flange 4 of the retainer is a ductile washer 9. One face of this washer, which may be of lead, is provided with an annular, concaved recess 10, while the opposite face is provided with an annular shoulder 11 which forms an exterior seat for the receptlon of the flange 4 of the member 2. The flange may be secured to the lead washer in any suitable manner, but preferably by perforating the washer and sewing the flange thereto by thread, wire or other suitable material, as shown at 12. The annular recess 10 is suliciently depressed to receive the thread 12, thereby keeping it out of contact with any exterior member which might have a tendency to contact with and wear away the thread.

The present oil-retainer is particularly constructed for use in connection with an axle housing 14, such asl is emplo ed on Ford and like automobiles, and w en inserted or placed in position it assumes the position shown in Fig. 2. For the purpose of getting the best result when inserting the retainer ere shown, it is rst necessary to remove the roller bearing 15 and the bearing sleeve 16, together with all packing waste or obstructions that might be in the housing. All burs Or rough edges should then be filed off of the axle in the vicinity of the retainer which may then be inserted endwise until it enga es the end of the axle housing shown at 1 .V

A special form of tool, generally indiinwardly against the lead washer and as the thus form a tight joint between the faces and also between the inner surface of the bearing and the peripheral surface of the washer.

The tool may then be removed and the bearing sleeve 16, together with the roller bearing 15, replaced; the replacing of the bearing sleeve being materially assisted by reversing the position of thetool B to permit the shoulder 24 to engage the end ofthe bearing sleeve `when the nut 20 is applied. The bearing sleeve may, therefore, be forced intoposition by screw pressure and its inner end may be embedded in the face of the washer, thus further locking it against circumferential movement.

The axle housing 14 may in this instance be filled with a heavy oil in preference to a grease and no leakage Vwill take place between the axle and the roller bearing as the spring rings 8, surrounding the sleeve 2 of the retainer, will retain this so tight around the revolving shaft that leakage or escape of oil at this point is practically obviated, any leakage which might occur being positively prevented by providing Athe groove 5 which returns any oil which might have a tendency to leak.

The retainers as a whole are substantially duplicate in construction and are therefore standardized and interchangeable. However, as they may be used on right and left hand ends of a shaft it is desirable that the helical grooves 5 be of right hand pitch in some retainers and of left hand pitch in others so that when applied the rotation of the shaft will cause the lubricant to flow inwardly through the grooves 5 rather than outwardly; the retainers, it being remembered, remaining stationary.

The retainer as a whole is simple and substantial in construction and can be easily applied wherever required and may always be locked and sealed in place by the lead washer provided. That is, the expansion of the gasket radially, when it is forced into place, produces a seal around the peniphery of the retainer through which the oil cannot leak, and simultaneously locks it in place, as previously described.

' It is very desirable that the sleeve 2 and its iiange 4 be connected by a substantially impervious but pliant diaphra m-lilze, conA nectingportion 3, so-that the re atively moving casin brate without disrupting the joint of the seal. While leather is mentioned other pliant material may be utilized.

While the retainer has here been describedv and shown as used in connection with an axle housing, it is obvious that many other applications or uses for a device of this character may be found and that the parts comprising the same may be varied as the experience and judgment of the manufacturer may dictate.

What is claimed is:

1,. An oil retainer composed of a soft metal washer having a circular depression on its front face and having a circular shoulder extending outwardly from its rear face, a fibrous sleeve-like member having one end flared and engaging the rear face of the washerand said shoulder so as to be held by the latter against movement radially of the washer, said washer having perforations extending through its rear face and through said depression, and means for securing the member to the washer extendin through said perforations and lying within the depression so as to be protected by the latter. Y

A 2. An oil retainer composed of a metal washer having a circular shoulder extendin outwardly from its rear face and spaced from the inner circumference of the washer, a fibrous sleeve-like member having one end flared and engaging the rear face of the washer and having its periphery engaging said shoulder, and means extending through the washer and said flared part of said inember to secure the member to the washer.

3. In an oil retainer for axle housings, a soft metal washer having a shoulder extendlng outwardly from its rear face, a fibrous sleeve-like member having one end flared and engaging the rear face of the washer and said shoulder, and means to secure the member to the washer so as to enable the latter to be expanded by an extraneous force so as to expand the washer radially and to also expand the shoulder to form a close fit with the end of the axle housing and with the ared end of the member.

4. In an oil retainer for axle housings, a washer, a fibrous sleeve-like member having one end flared and engaging the rear face of the washer, and means to secure the member to the Washer whereby to allow force extraneous to said securing means to be applied to the front face of the washer so as to expand the washer radially and against the end of the axle housing to form a tight lit therewith.

5. As an article of manufacture, a pliant, liquid proof diaphragm-like member having an elongated, central, contractile sleeve to embrace a part to be packed, said sleeve and the shaft might freely vihaving a helical ove for returnn oil tending to ass wit in the sleeve at its earing on sai part.

. As an article of manufacture, a pliant, m-like member having embracela part to be packed, said sleeve having a. helical roove for returning oil tending to ass wit in the sleeve at its bearing on sai part, and contractive means embracing the sleeve to compress it about the said art.

7. lli/leans for packing a vchamber adapted to contain a iiuld, comprising a pliant diaphragm-like structure to be supported at its peri er 4bya contiguous annular surface of t 'e c amber, and having an elongated cylindrical contractile sleeve portion to circumferentially embrace an element extending therethrough,' thesleeve beingr circumferentially grooved, and contracti e springmeans mounted in .the grooves to the sleeve centripetally.

.8. Anoil retaining means including a liant diaphragm having a sleeve exten ing rom one side, and Aa ductile ring secured to the peripheral portion of the diaphragm and adaptedto be expressed into secure-position on a 'contiguous support.

9. An oil retaining means inoludin a liant diaphragm having a sleeve exten ing rom one side, and a ductile 'ring secured to the peripheral portion of the diaphragm and adapted to be expressed into secure position on a contiguous support and form therewith.

a tight' leak-proof joint. 10. n oil retainin pliant diaphragm having an elongated concompress meansl including a tractile sleeve extending from one side, and a ductile ring secured to the eripheral portion of the diaphragm and a apted to be expressed into secure position on a contiguous support.

11. An oil retainer including -a ductile ring adapted to be expressed into holding contact with a surrounding and contiguous surface, and a pliant, frusto-conoidal ring, adapted to embrace a, running part, secured to the ductile ring and held in place bythe expansion of the ring.

12. The method of mounting a `diaphragm-like element in its casing so as to secure it which consists of applying and se curing to the peripheral portion of the element a ductile ring, inserting the device into the casing to position, and then applying pressure to the marginal portion of the ductile ring so that this is expanded into firm and holding contact with the contiguous surface.

13. The method of mounting a diaphragm-like element in its casing so as to secure it and, at the same time, obtain a leak tightjoint, which consists of. applying and securing EDWIN B. CANTRELL. GEORGE EDWARD MILLER.

to the peripheral. portion 'of the element a ductile ring, inserting the device' 4into the casing to position, and then apply-

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