Cages for Radial Roller Bearings

Abstract

The present invention realizes a material that can be manufactured by axial stretch forming, so that the ends (12c, 12d) disposed across the discontinuity (11a) can be displaced relative to each other in the radial direction, and cannot be axially displaced. A cage (7b) for radial roller bearings engaged with relative displacement. The inner engaging piece (17) provided at the middle part of the axial direction of one end part (12c) and the part of both sides separated in the axial direction provided at the other end part (12d) do not overlap with each other in the axial direction. A pair of outer engaging pieces (18a, 18b) constitute an engaging portion (13a) that engages the end portions (12c, 12d) with each other. And, in the state of being installed in the radial roller bearing, by arranging the inner engaging piece (17) at the part between the outer engaging pieces (18a, 18b), these inner engaging pieces (17) and The outer engaging pieces (18a, 18b) do not overlap each other in the radial direction, and the inner engaging piece (17) engages with the outer engaging pieces (18a, 18b) in the axial direction, respectively.

Description

technical field [0001] This invention relates to a cage for a radial roller bearing made of synthetic resin and having a discontinuous portion at one point in the circumferential direction. Background technique [0002] Installed in the rotating support part of various mechanical devices to which a large radial load is applied Figure 23 A radial roller bearing 1 as shown. This radial roller bearing 1 is formed by a cylindrical outer ring race 3 provided on the inner peripheral surface of the radially outer member 2 and a cylindrical raceway 3 provided on the outer peripheral surface of the shaft 4 existing on the radially inner side. Between the inner ring rails 5 , a plurality of rollers 6 are provided to roll freely while being held by cages 7 . Also, combinations of the radially outer member 2 and the shaft 4 include a combination of a housing and a rotating shaft that does not rotate during use, a combination of gears, rollers, and a support shaft that rotate during us...

AI Technical Summary

Problems solved by technology

However, as described above, radial stretch molding has a problem of increased manufacturing costs due to the increase in the number of mold parts used for injection molding.

[0013] In addition, Japanese Unexamined Patent Publication No. 2-89814 and Japanese Patent Application Publication No. 54-111242 have shown improved examples of the structure of the engaging part, but in the case of these structures, there are also problems that are different from those of British Patent No. 1352909. Possibility of the same problem as documented construct

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