US734194A - Ball-bearing. - Google Patents

Description

O. 734,194. PATENTED JULY 21, 1903.

' A. RIEBE.

BALL BEARING.

APPLICATION FILED APR. 17. 1900.

N0 MODEL.

UNITED STATES.

Patented July 21, 1903.

PATENT OFFICE.

AUGUST RIEBE, OF BERLIN, GERMANY, ASSIGNOR TO DEUTSGHE WAFFEN MUNITIONSFABRIKEN, OF BERLIN, GERMANY, A FIRM.

BALL-BEARING.

SPECIFICATION forming part of Letters Patent No. 734,194, dated. July 21, 1903. Application filed April 17, 1900. Serial No. 13,241. (No model.)

Prussia, German Emperor, residing'atlo Zwinglistrasse, Berlin, Kingdom of Prussia German Empire, have invented certain new and useful Improvements in Ball-Bearings,

and-I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention-relates to an improvement in ball-races for ball-bearings; and it mainly refers to that type of ball-bearings for axleboxes in which a number of rows or sets of balls are arranged in several separate rings or races and adapted jointly to travel in corresponding annular grooves formed on the axle or shaft or in a ring fixed thereon.

The distinguishing feature of the present invention is that the annular groove which forms the path or race proper for the balls to travel in is made open on one side by being cut away below the bottom of the groove, the opening so formed enabling the balls to be inserted, removed, or exchanged, as required, while normally such opening, gap, or notch is closed by means of a plate or fillingpiece fixed in position by a screw.

In the accompanying drawings, Figure l is a section of two ball-races combined in accordance with this invention, while-Fig. 2 is an elevation of a ball-race and also represents in section two projections, ribs, or lugs Z, between which the head of the fasteningscrew is located.

The lugs Z, formed in a suitable. position on the box or case of the bearing, serve'to prevent the ball-race ring 4; from turning with the shaft, such ring being, moreover, retained in position within the box or case at the top- 5. e-., the point which takes up the weight or pressure of the bearing by a stop or abutment b. The balls a move in a groove in the interior ofthe said ring 1) and in a corresponding groove formed in a ring a, fixed on the shaft or spindle 2'. To enable the balls to be filled in between the rings to and 0, an

opening or notch is cut from one side in the inner surface of the ring 1: at the bottom of the groove, thus forming a recess extending from'one side to about the middle of said ring and providing a lateral outlet for the balls, so that the balls may here be inserted or removed singly. The means of closing this gap consists of a small plate or fillingpiece 0" of suitable shape, which upon being fitted to the opening accurately fills the same and completes the groove in the interior of the ring '1), such plate or filling-piece being secured in position by means of a screw 8, in-

serted and tightened from outside.

As before stated, the heads of the screws 8, in conjunction with the lugs or ribs Z projecting from the box of the bearing, serve to check any free rotation of the ring o. The strain applied to the bearing is in the main taken up by the portion of the ring opposite to that where the filling-piece is situated.

The opening and the filling-piece may, if preferred, be applied to the inner ring u, though it will not then prove so effective.

What I claim is- In a ball-bearing, the combination with a shaft, of an externally-grooved ball-race or ring to receive the shaft, an internallygrooved ball-race or ring, one of said races or rings having a small recess cut therein extending from one side to the middle of the ring, a filling-piece fitting said recess and completing the inner surface of the race or ring, a screw to fix the filling-piece in position and lugs or ribs to engage the head of

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