Pulley device for tensioner roller or winding roller

Patent metadata

Field	Value
Publication number	US-2016356375-A1
Application number	US-201615170112-A
Country	US
Kind code	A1
Filing date	Jun 1, 2016
Priority date	Jun 2, 2015
Publication date	Dec 8, 2016
Grant date	—

Abstract

A pulley device for a tensioner roller provides a pulley, a bearing, a spacer supporting the bearing. The spacer is provided with a through bore, and a securing bolt extending to the inside of the bore in the spacer. The device includes at least one means for the temporary locking of the securing bolt in relation to the spacer, the temporary locking means being separable and inserted between the bolt and the spacer. A pulley device for a winding roller is also provided.

First claim

1 . A pulley device for a tensioner roller comprising:
a pulley, a bearing, a spacer supporting the bearing and provided with a through bore, and a securing bolt extending to the inside of the bore in the spacer, wherein the device further comprises at least one means for the temporary locking of the securing bolt in relation to the spacer, the temporary locking means being separable and inserted between the bolt and the spacer.

2 . The pulley device according to claim 1 , wherein the locking means is inserted radially between the bolt and the bore in the spacer.

3 . The pulley device according to claim 1 , wherein the temporary locking means locally covers both the securing bolt and the spacer.

4 . The pulley device according to claim 1 , wherein the temporary locking means is installed entirely inside a recess extending from the bore in the spacer.

5 . The pulley device according to claim 4 , wherein the recess opens onto a radial surface at an axial end of the spacer opposite a head of the securing bolt.

6 . The pulley device according to claim 4 , wherein the recess is annular.

7 . The pulley device according to claim 4 , wherein the recess extends to within a given angular sector, for example between 20° and 60° and preferably between 35° and 45°.

8 . The device according to claim 1 , wherein the securing bolt comprises a head and a shank comprising at least one threaded section, the temporary locking means being arranged axially on the side opposite the bolt head in relation to the spacer.

9 . The device according to claim 8 , wherein the temporary locking means is arranged radially between the bore in the spacer and the threaded section of securing bolt.

10 . The device according to a claim 1 , wherein the locking means comprises an attachment point made from synthetic material.

11 . The device according to claim 1 , comprising a plurality of temporary locking means spaced apart from each other in the circumferential direction.

12 . A method of assembling a pulley device for a belt or chain tensioner roller or winding roller, the method comprising:
assembling a sub-assembly including a pulley, a bearing, a spacer supporting the bearing and provided with a through bore, inserting a securing bolt inside of the bore in the spacer, and maintaining the position of the securing bolt in relation to the spacer through the removal of at least one separable means between the bolt and the spacer.

13 . A pulley device for a winding roller comprising:
a pulley, a bearing, a spacer supporting the bearing and provided with a through bore, and a securing bolt extending to the inside of the bore in the spacer, wherein the device further comprises at least one means for the temporary locking of the securing bolt in relation to the spacer, the temporary locking means being separable and inserted between the bolt and the spacer.

14 . The pulley device according to claim 4 , wherein the recess extends to within a given angular sector, for example between 35° and 45°.

Assignees

• Chollet Mickael
• Gezault Alain
• Hedman Torbjorn
• Lescorail Romuald
• Liege Frederic
• Tesniere Flavien
• Tronquoy Nicolas
• Skf Ab

Inventors

• Chollet Mickael
• Gezault Alain
• Hedman Torbjorn
• Lescorail Romuald
• Liege Frederic
• Tesniere Flavien
• Tronquoy Nicolas

Classifications

• F16H2007/0878

  Disabling during transport · CPC title

• F16C41/04

  Preventing damage to bearings during storage or transport thereof or when otherwise out of use · CPC title

• F16H7/20

  Mountings for rollers or pulleys · CPC title

• F16C13/006

  Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one · CPC title

• F16H2007/0865

  Pulleys · CPC title