US722495A

US722495A - Journal-bearing.

Info

Publication number: US722495A
Application number: US13022702A
Authority: US
Inventors: Edward J Decker
Original assignee: PAUL S REEVES
Current assignee: PAUL S REEVES
Priority date: 1902-11-06
Filing date: 1902-11-06
Publication date: 1903-03-10
Anticipated expiration: 1920-03-10

Description

No. 722,495. PATENTED MAR. 10, 1903. E. J.'DEGKER. JOURNAL BEARING.

APPLICATION FILED NOV. 6, 1902. 7

NO MODEL.

Nrrno STATES D PAUL S. REEVES, OF PI-IILA JOURNAL- DELPHIA, PENNSYLVANIA.

BEARING.

bPECTFICATION forming part of Letters Patent No. 722,495, dated March 1 1 3- Application filed November 6. 1902.

To all whom it rmty concern:

Be it known that I, EDWARD J. DECKER, of the city and county of Philadelphia, State of Pennsylvania, vhave invented an Improvement in Journal-Bearings, of which the following is a specification.

More particularly, my invention relates to that class of journal bearings known as filled bearings, in which the bearing-face is provided with a series of transverse grooves or pockets containing graphite or other comminuted antifriction material.

The principal objects of my invention are to enable the filling material to be held more firmlyin the retaining grooves or pockets and to avoid the formation in the pockets of sharp angles or corners and to brace or strengthen the bearing to resist the tendency to crack longitudinally when subjected to heavy pressure or blows.

In carrying out my invention 1 form the innor curved or bearing face of a series of transverse ribs, the end ribs of which extend from opposite sides of the bearing to a distance beyond the median line and are connected at their ends with the end walls by a short connecting brace-rib, as'is more fully explained hereinafter. V g

In the drawings, Figure 1 is a perspective view of the casting or shell of my improved car journal-bearing, and Fig. 2 is a plan view of the same.

The shell a is a single casting, usually of brassorbronze,havingthe customaryexternal form and the internal curved bearing-face, which fits the journal. The inside of the casting between the curved end walls I) b is hollow and is formed with a series of integral curved diagonal parallel ribs 0 c, which form a series of parallel diagonal pockets d,-adapted to be filled with graphite or any other antifriction filling such as is used in filled bearings. Similar pockets are formed between the end ribs 0 c and the end walls I) b; but these end ribs 0 o are not continued entirely across the face of the casting, as are the ribs 0 0, but extend from one side to a distance beyond the median line of the casting and are united at their ends each by a short longitudinal bracerib e with the corresponding end wall 17. The two end ribs 0' c extend from opposite sides $e1ia1N0. 130,227. (No model.)

of the casting, so that the short longitudinal brace-ribs e e are located one on each side of the median line. This arrangement of the end ribs 0 c and brace-pieces c e possesses two markedadvantages: It avoids the formation of sharp angles or corners in the pockets and it greatly strengthens the casting at the points where strengthening is most required. The greatest strain upon the bearing is usually upon the center line of the casting, and if it isbraced only at the center line there is a tendency to crack'at one side or the other. vThe brace-ribs, however, are so located that they brace the casting on each side of the median line and render it much stronger. The ends of the pockets d d between diagonal ribs 0 c and between the ribs and the ends I) b are bridged by strips or ribs f, the outer faces of which are curved to correspond with the curvature of the ribs 0 c and ends I) Z) and the inner faces of which form ends to the pockets d to retain the filling material in place.

The number, size, and direction of the transverse ribs will vary with the size and wei ht of the bearing and the uses for which 2: it is intended; but in any case the short connecting brace-ribs e 6 between the ends of the outer transverse ribs and the end walls will add two. additional elements of strength to the hearing as a whole, andthe location of those ribs on opposite sides of the median line and adjacent to it will introduce those elements of strength at the two points where they are most efiective.

The details of construction may bevaried without departing from my invention.

WVhat I claim as new, and desire to secure by Letters Patent, is as follows:

1. A journal-bearing having a curved inner face adapted to fit'the journal and formed with a seriesof parallel diagonal transverse ribs, the two outer ribs extending from opposite sides to a distance beyond the median line of the bearing and being connected with the end walls by short longitudinal braceribs located one on each side of the median line.

2. Ajournal-bearing having a curved inner face adapted to fit the journal and formed with a series of transverse ribs, the two outer end ribs extending from opposite sides to a distance beyond the median line of the bearing and being connected with the end walls by short longitudinal brace-ribs located one on each side of the median line.

3. A journal-bearing having a curved inner face adapted to fit the journal and formed with a series of transverse ribs, the two outer end ribs extending from opposite sides to a distance beyond the median line of the bearing and being connected with the end walls by short longitudinal brace-ribs located one on each side of the median line, said inner face being further provided with longitudinal strips extending over the ends of the transverse ribs and bridging the spaces between them and having a curvature corresponding with the curvature of said transverse ribs.

In testimony of which invention I hereunto set my hand;

EDWARD J. DECKER. Witnesses:

ERNEST HOWARD HUNTER, R. M. KELLY.