Patent ID: 8378238

Claim:
A protective sleeve to be arranged between two assembly elements for passing through cables or lines in a protected fashion, comprising an elongated tubular sleeve body having a substantially linear central portion and heads at the ends, wherein the heads are inclined relative to a longitudinal axis of the central portion, wherein the heads form a first inner peripheral surface at their open ends; and a locking means for buttoning the protective sleeve into assembly openings of the assembly elements at each of the heads and being integrally formed therewith, which comprises a circumferential rib having at least one engagement hook formed thereon, which hook comprises at least one detent lying radially outside, wherein the rib forms a second inner peripheral surface opposite to the detent, wherein the sleeve body is made of rubber and the locking means are made of hard-elastic plastic; and at least one of the second inner peripheral surfaces is configured so that it runs radially outside of the alignment of the corresponding first inner peripheral surface.