ROLLER BEARING WITH A SEGMENTED CAGE

• US 20120063713A1
• Filed: 03/03/2010
• Published: 03/15/2012
• Est. Priority Date: 03/07/2009
• Status: Abandoned Application

• Current Assignee: Werner Beuerlein
• Original Assignee: Werner Beuerlein
• Inventors: Beuerlein, Werner
• Application Number:
  US13/254,888
• Publication Number:
  US 20120063713A1
• Time in Patent Office: Days
• US Class Current: 384/576
• CPC Class Codes: F16C 19/24 for radial load mainly
• CPC Class Codes: F16C 2300/02 General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
• CPC Class Codes: F16C 33/502 formed of arcuate segments retaining one or more rollers or needles

Abstract

Roller bearing with a segmented cage for guiding the roller bodies, said cage comprising an inner ring on which a plurality of roller bodies can roll, and which can also roll on an outer ring which is concentric to the inner ring, a cage consisting of a plurality of webs which are distributed in a uniform manner over the periphery and which are aligned so as to be parallel to each other and to the longitudinal axis of the cage, and a plurality of lateral plates for joining the webs, two webs and two lateral faces being firmly connected to one another to form a cage segment, which forms a pocket for guiding a roller body and all cage segments are connected to one another in pairs to form an inherently closed cage.

Claims

1. Roller bearing with various diameters and with a segmented cage (1) for guiding the roller bodies (2), comprising in each case

an inner ring (3), on which

a plurality of roller bodies (2) can be rolled, which can also be rolled on

an outer ring (4), which is concentric with the inner ring (3),

and

a cage (1), which comprises

a plurality of webs (11),

which are distributed in a uniform manner about the periphery and

are aligned so as to be parallel to the surface of a roller body (2) (1), and

a plurality of lateral plates (12) for connecting the webs (11) and

webs (11) and lateral plates (12) are firmly connected to one another to form cage segments (14), which in each case form a pocket for guiding a roller body (2) and

All cage segments (14) are connected to one another rigidly in pairs only via their relatively large cross-sectional area to form an inherently closed cage (1),

characterised in that

a cage segment (14) consists of at least one web (11) and two lateral plates (12) and

for a small variation of the diameter

the webs (11) and the lateral plates (12) of a cage segment (14) have a limited elasticity, which permits identical cage segments (14) to be rigidly connected in various numbers to form an inherently closed annular cage (1) and

for a relatively large variation of the diameter

Intermediate wedges (15) can be inserted between the webs of adjacent cage segments (14), the connecting surfaces (151) of which to the webs (11) are formed so as to be complementary to the outer sides thereof, and variants of the intermediate wedges (15) with different angles between their two connecting surfaces (151) can be assembled with cage segments (14), which are in each case identical, to form cages (1) with different diameters.

2. Roller bearing according to claim 1, characterised in that frame-shaped cage segments (14) are connected to one another at their webs (11).

3. Roller bearing according to one of the preceding claims, characterised in that the lateral plates (12) are connected at their end faces to the end face of the lateral plates (12) of the adjacent H-shaped cage segment (14).

4. Roller bearing according to one of the preceding claims, characterised in that the cage segments (14) are formed as one-part injection moulding or die casting or another cast part.

5. Roller bearing according to one of the preceding claims, characterised in that the cage segments (14) consist of polyimide or polyphthalamide or polyetherketone (PEK) or polyether ether ketone (PEEK) or polyimide imide (PAI) or polyimide (PI) or phenolic resin or another plastic.

6. Roller bearing according to claim 5, characterised in that

glass fibres and/or

other fibres and/or

glass spheres and/or

other fillers

are incorporated into

the plastic

7. Roller bearing according to at least one of the claims 1 to 3, characterised in that the cage segments (14) consist of

sheet metal or

brass or

grey cast iron or

another steel or another metal.

8. Roller bearing according to claim 7, characterised in that plastic sliding bearings are mounted on at least one of the surfaces by which the cage segment (14) contacts the roller body.

9. Roller bearing according to one of the preceding claims, characterised in that a slot (111) is formed in the outside of the first web (11) of each cage segment and a key (112), which is complementary to said slot (111) is formed on the outer side of the second web (11).

10. Roller bearing according to claim 9, characterised in that the profile of the slot (111) and key (112) is dovetail shaped.

11. Roller bearing according to claim 9, characterised in that, approximately in the centre of the slot (111), a tongue is formed,

which can be inserted into a complementary depression in the centre of the key (112) and

parallel to the longitudinal axis (13) of the cage (1), through the tongue and through the key, there runs a bore, into which a securing pin or a screw fastening can be introduced.

12. Roller bearing according to one of the preceding claims, characterised in that, between the webs of adjacent cage segments (14), intermediate wedges (15) are inserted, of which the connecting surfaces (151) to the webs (11) are formed so as to be complementary to the outer sides of the cage segments.

13. Roller bearing according to claim 12, characterised in that variants of the intermediate wedges (15) with different angles between their two connecting surfaces (151) can be assembled with cage segments (14), which are in each case identical, to form cages (1) with different diameters.

14. Roller bearing according to one of the preceding claims, characterised in that

the webs (11) and the lateral plates (12) of a cage segment (14) have a limited elasticity, which permits identical cage segments (14) to be firmly combined in different numbers to form an inherently closed ring-shaped cage (1).

15. Roller bearing according to one of the preceding claims, characterised in that

the lateral plates (12) of a cage segment (14) are extended beyond one of the two webs (11) and

lie with their extension on the lateral plate (12) of the adjacent cage segment (14), various angles being adjustable between those two lateral plates (12) that lie against one another, and

a particular angle between the two superposed lateral plates (12) being fixable by means of

a detent connection and/or

a screw fastening and/or

a serration and/or

another connection.

16. Roller bearing according to one of the preceding claims, characterised in that

the two webs (11) of a cage segment (14) are arranged close together or merge into one another, and

both lateral plates (12) are connected in an articulated way at both ends to the lateral faces (12) of the adjacent cage segment (14), various angles being adjustable between the mutually connected lateral plates (12), and

a particular angle between the mutually connected lateral plates (12) can be fixed by means of

a detent connection and/or

a screw fastening and/or

a serration and/or

another connection.