Patent ID: 7144327
Filing Date: 2006-12-05
Classification: A01B,F16D,Y10S,Y10T

Abstract:
1. A protection arrangement for a joint comprising: a first protection element including an annular portion having a first front edge, at least one first attachment mechanism on an outer circumference of said annular portion; an annular second protection element having at least one second attachment mechanism on an outer circumference and a second front edge; a third protection element made from an elastomer material, said third protection element having a first annular end with at least one first connection mechanism for connecting to said at least one first attachment mechanism and on a second annular end at least one second connection mechanism for connecting to said at least one second attachment mechanism and a circumferentially extending envelope portion between said first annular end and said second annular end, said envelope forming at least one fold between said first and second annular ends; said at least one first attachment mechanism of said first protection element including first holding projections circumferentially distributed on the outer circumference of the first protection element close to the first front edge, said first holding projections project beyond the outer circumference, and a groove form at least over a circumferential portion of said first holding projections distanced from the first front edge and an undercut circumferential edge portion or a support tab formed over a circumferential portion close to the first front edge, said undercut circumferential portion or said support tab projecting beyond the first front edge; said at least one second attachment mechanism of the second protection element including second holding projections circumferentially distributed on the outer circumference of the second protection element close to the second front edge, said second holding projections projecting beyond the outer circumference and a second groove formed at least over a first circumferential edge area close to the second front edge, an undercut portion or a groove formed over a second circumferential edge area distanced from the second front edge; the first connection mechanism and the second connection mechanism include holding portions formed on the third protection element at its ends, said holding portions have a number of first through holes and second through holes corresponding to the number of first holding projections and second holding projections, said first through holes and second through holes engage the holding projections and a boundary edge portions of which engage, respectively, at least in the corresponding groove.