Disc brake, in particular for commercial vehicles, and holding unit for a cable of such disc brake

1. A system for mounting a signal cable ( 20 ) to a disc brake ( 2 ), the system comprising:

a cover plate ( 70 ) configured to be fastened to or constituting an actuation side of the disc brake ( 2 ) in an accommodation space of a brake caliper ( 4 ), the cover plate including an actuator opening ( 72 ) in a region of the cover plate ( 70 ) configured to allow passage of an actuation device therethrough; and

a signal cable fixation member ( 80 ) for mounting the signal cable ( 20 ) to the cover plate ( 70 ), the signal cable fixation member ( 80 ) including an attachment part ( 82 ) and a signal cable guiding part ( 84 ), the attachment part ( 82 ) being sized and configured to connect with an attachment counterpart ( 74 , 74 ′, 74 a ) of the cover plate ( 70 ) and the signal cable guiding part ( 84 ) being configured to guide the signal cable ( 20 ) towards a side edge of the cover plate ( 70 ),

wherein the system comprises a connecting part ( 86 ) operatively coupling the attachment part ( 82 ) and the signal cable guiding part ( 84 ), the connecting part ( 86 ) spacing apart a signal cable guide axis (A) of the signal cable guiding part ( 84 ) from an engagement axis (B) of the attachment part ( 82 ) by an offset (d);

wherein the attachment counterpart ( 74 , 74 ′, 74 a ) comprises an opening ( 74 , 74 ′, 74 a ) in the cover plate ( 70 );

wherein the attachment part ( 82 ) comprises a first elongated attachment element ( 82 a ) and a second elongated attachment element ( 82 b );

wherein the first elongated attachment element ( 82 a ) has a different size and/or shape than the second elongated attachment element ( 82 b ) and the opening ( 74 , 74 ′) is correspondingly shaped or sized.

2. The system of claim 1 , wherein the connecting part ( 86 ) has an essentially arched or sigmoidal shape.

3. The system of claim 1 , wherein the signal cable guiding part ( 84 ) is loop-shaped.

4. The system of claim 1 , wherein the signal cable fixation member ( 80 ) is elastically deformable and bendable.

5. The system of claim 1 , wherein a connection between the attachment part ( 82 ) and the attachment counterpart ( 74 , 74 ′, 74 a ) is non-rotatable.

6. The system of claim 1 , wherein the attachment part ( 82 ) extends through the opening ( 74 , 74 ′, 74 a ) and is fastened by non-positive fit or positive fit.

7. The system of claim 1 , wherein the first elongated attachment element ( 82 a ) and the second elongated attachment element ( 82 b ) are approachable against an elastic restoring force so as to allow them to be inserted into the opening of the attachment counterpart upon forcing the elongated attachment elements ( 82 a , 82 b ) towards each other, and to be urged against an inner contour ( 75 ) of the opening ( 74 , 74 ′, 74 a ) in the cover plate ( 70 ) by the elastic restoring force.

8. The system of claim 1 , wherein the first elongated attachment element ( 82 a ) and the second elongated attachment element ( 82 b ) have hook-shaped ends facing away from each other so as to be retained by a surface of the cover plate ( 70 ).

9. The system of claim 1 , wherein the connecting part ( 86 ) comprises a first connecting element ( 86 a ) extending from the first elongated attachment element ( 82 a ) and connecting to one end of the signal cable guiding part ( 84 ), and a second connecting element ( 86 b ) extending from the second elongated attachment element ( 82 b ) and connecting to another end of the signal cable guiding part ( 84 ), wherein one of the first and second connecting elements ( 86 a , 86 b ) is longer, and one or both of the first and second connecting elements ( 86 a , 86 b ) is bent so as to produce the offset (d) between the signal cable guide axis (A) and the engagement axis (B).

10. The system of claim 1 , further comprising a pad wear warning indication system ( 16 ) including a pad wear sensor for assessing the wear of a brake pad ( 8 , 8 ′) and the signal cable ( 20 ) connected to the pad wear sensor.

11. The system of claim 1 , further comprising the disc brake ( 2 ) including the brake caliper ( 4 ) and brake pads ( 8 , 8 ′) defining a space for a rotor in between the brake pads ( 8 , 8 ′) accommodated in an accommodation space ( 10 ) of the brake caliper ( 4 ).

12. The system of claim 1 , wherein the signal cable fixation member ( 80 ) is attachable to the attachment counterpart ( 74 , 74 ′) in only a single predetermined orientation.

13. A signal cable fixation member ( 80 ) for mounting a signal cable ( 20 ) to a cover plate ( 70 ) of a disc brake ( 2 ), the signal cable fixation member ( 80 ) comprising:

a signal cable guiding part ( 84 ) configured to guide the signal cable ( 20 ) towards a side edge of the cover plate ( 70 ),

an attachment part ( 82 ) configured to engage with an attachment counterpart ( 74 , 74 ′, 74 a ) in or on the cover plate ( 70 ),

a connecting part ( 86 ) between the attachment part ( 82 ) and the signal cable guiding part ( 84 ), the connecting part ( 86 ) configured to space apart a signal cable guide axis (A) of the signal cable guiding part ( 84 ) from an engagement axis (B) of the attachment part ( 82 ) by an offset (d);

wherein the attachment part ( 82 ) includes a first elongated attachment element ( 82 a ) and a second elongated attachment element ( 82 b );

wherein the first elongated attachment element ( 82 a ) has a different size or shape than the second elongated attachment element ( 82 b ) for orienting the signal cable fixation member ( 80 ) in a predetermined orientation.

14. The signal cable fixation member ( 80 ) of claim 13 , wherein the first elongated element ( 82 a ) has a width greater than the second elongated attachment element ( 82 b ).

15. A signal cable fixation member ( 80 ) for mounting a signal cable ( 20 ) to a cover plate ( 70 ) of a disc brake ( 2 ), the signal cable fixation member ( 80 ) comprising:

a signal cable guiding part ( 84 ) configured to guide the signal cable ( 20 ) towards a side edge of the cover plate ( 70 ),

an attachment part ( 82 ) configured to engage with an attachment counterpart ( 74 , 74 ′, 74 a ) in or on the cover plate ( 70 ),

a connecting part ( 86 ) between the attachment part ( 82 ) and the signal cable guiding part ( 84 ), the connecting part ( 86 ) configured to space apart a signal cable guide axis (A) of the signal cable guiding part ( 84 ) from an engagement axis (B) of the attachment part ( 82 ) by an offset (d);

wherein the attachment part ( 82 ) includes a first elongated attachment element ( 82 a ) and a second elongated attachment element ( 82 b );

wherein the connecting part ( 86 ) comprises a first connecting element ( 86 a ) extending from the first elongated attachment element ( 82 a ) and connecting to one end of the signal cable guiding part ( 84 ), and a second connecting element ( 86 b ) extending from the second elongated attachment element ( 82 b ) and connecting to another end of the signal cable guiding part ( 84 ), wherein one of the first and second connecting elements ( 86 a , 86 b ) is longer, and one or both of the first and second connecting elements ( 86 a , 86 b ) is bent so as to produce the offset (d) between the signal cable guide axis (A) and the engagement axis (B).