Patent ID: 11859371
Assignee: SANDVIK MINING AND CONSTRUCTION OY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 12:
13. A method for attaching at least one wear part to a bucket, the method comprising:
providing at least one wear part according to claim 1;
providing the bucket, the bucket including an attachment system arranged for attaching the at least one wear part to the bucket, the attachment system including the engagement edge arranged to extend along a front edge of a front plate of the bucket arranged for receiving the engagement portion of the at least one wear part, the engagement edge having a convex cross section formed by contact points arranged on a periphery of a circular arch, the attachment system further including a backwardly directed bucket threshold arranged in the front plate on a first side thereof and at a distance from the front edge of the plate, the bucket having a plate hole arranged behind the bucket threshold in relation to the engagement edge and arranged for receiving the fastening element arranged for fastening the at least one wear part to the bucket, the plate hole extending from the first side to a second side of the plate;
fitting the engagement portion of the at least one wear part around the engagement edge of the bucket;
rotating the lever element against the first side of the front plate;
finalizing the rotation by arranging the fastening unit of the at least one wear part at the back of the bucket threshold of the bucket;
fastening the at least one wear part to the bucket by tightening the fastening element in the wear part hole and the plate hole; and
creating a spanning force effecting in the at least one wear part in the direction backwards from the engagement edge.