Bearing in which one ring is equipped with strips for retaining a coded ribbon

Patent metadata

Field	Value
Publication number	US-10030710-B2
Application number	US-201615266002-A
Country	US
Kind code	B2
Filing date	Sep 15, 2016
Priority date	Sep 17, 2015
Publication date	Jul 24, 2018
Grant date	Jul 24, 2018

Abstract

A bearing providing a first ring and a second ring, capable of rotating concentrically relative to one another, equipped with at least one incorporated device for detecting the movement of the rings relative to one another is provided. The detection device includes at least a coder element mounted on the first ring and at least a sensor element mounted on the second ring, facing the coder element, the coder element providing at least one linear ribbon arranged on a cylindrical surface of the first ring. The first ring of the bearing is equipped with at least one retaining strip that extends over the ribbon.

First claim

The invention claimed is:

1. A bearing comprising:
a first ring, and a second ring, capable of rotating concentrically relative to one another, equipped with at least one detection device for detecting the movement of the rings relative to one another, and
at least one retaining strip on the first ring,
wherein the detection device provides at least a coder element mounted on the first ring and at least a sensor element mounted on the second ring, facing the coder element,
wherein the coder element includes at least one ribbon arranged on a cylindrical surface of the first ring, and
wherein the first ring is equipped with the retaining strip and the retaining strip extends over the ribbon, so the ribbon is between the first ring and the retaining strip.

2. The bearing according to claim 1 , wherein the retaining strip comprises an axial portion extending axially over the ribbon and a radial end portion facing a radial surface of the first ring.

3. The bearing according to claim 2 , wherein the radial end portion is fastened to the first ring by at least one axial screw.

4. The bearing according to claim 2 , wherein the retaining strip comprises a second radial end portion facing a second radial surface of the first ring, so that the strip takes the form of a clamp straddling an annular part of the first ring.

5. The bearing according to claim 4 , wherein the second radial end portion is equipped with a terminal portion engaged in an annular groove in the first ring.

6. The bearing according to claim 1 , wherein the axial portion of the retaining strip bears on a cylindrical surface of the first ring.

7. The bearing according to claim 1 , wherein the ribbon is placed inside an annular groove in the first ring.

8. The bearing according to claim 1 , wherein the retaining strip mates with the corresponding shape of the first ring.

9. The bearing according to claim 1 , wherein the ribbon is magnetized successively with (+) poles and (−) poles, the retaining strip being made of a non-magnetic material.

10. The bearing according to claim 1 , further comprising a plurality of retaining strips distributed circumferentially on the first ring.

11. A bearing comprising:
a first ring, and a second ring, capable of rotating concentrically relative to one another, equipped with at least one detection device for detecting the movement of the rings relative to one another,
an annular groove in the first ring,
wherein the detection device provides at least a coder element mounted on the first ring and at least a sensor element mounted on the second ring, facing the coder element,
wherein the coder element includes at least one ribbon arranged on a cylindrical surface of the first ring,
wherein the first ring is equipped with at least one retaining strip that extends over the ribbon, and
wherein the ribbon is placed inside the annular groove in the first ring.

12. A bearing comprising:
a first ring, and a second ring, capable of rotating concentrically relative to one another, equipped with at least one detection device for detecting the movement of the rings relative to one another, and
a plurality of retaining strips distributed circumferentially on the first ring,
wherein the detection device provides at least a coder element mounted on the first ring and at least a sensor element mounted on the second ring, facing the coder element,
wherein the coder element includes at least one ribbon arranged on a cylindrical surface of the first ring, and
wherein the first ring is equipped with at least one retaining strip of the plurality of retaining strips that extends over the ribbon.

Assignees

• Nicolas Michel
• Skf Ab

Inventors

• Nicolas Michel

Classifications

• F16C2300/14

  Large applications, e.g. bearings having an inner diameter exceeding 500 mm · CPC title

• F16C19/34

  for both radial and axial load · CPC title

• F16C41/007 Primary

  Encoders, e.g. parts with a plurality of alternating magnetic poles · CPC title

• G01D5/125

  characterised by a first part whose movement represents the measuring value, and by a second part which is moved by an external force in order to follow the movement of the first part · CPC title

• F16C2361/31

  Axle · CPC title