Disc brake application device and bearing shell therefor
A brake application device for a disc brake, in particular for a sliding caliper disc brake, is configured for the application of a brake disc. The disc brake has at least one brake caliper for receiving the brake application device and brake linings for applying the brake disc. The brake application device includes a brake application lever having at least one brake application lever foot. The brake application lever foot has a recess for receiving a bearing shell in the direction of the side facing the brake lining or the side facing away from the brake lining.
1. A brake application device ( 1 ) for a disc brake ( 2 ), wherein the disc brake ( 2 ) has at least one brake caliper ( 7 ) for receiving the brake application device ( 1 ) and brake linings ( 8 ; 8 a ) for applying the brake disc, the brake application device ( 1 ) comprising:
a brake application lever ( 3 ) having at least one brake application lever foot ( 4 ; 4 a ), wherein the brake application lever foot ( 4 ; 4 a ) has a recess ( 9 ; 9 a ) for receiving a bearing shell ( 6 ; 6 a ) on a side facing the brake lining ( 8 ; 8 a ) or on a side facing away from the brake lining ( 8 , 8 a ), the brake application lever foot having pockets ( 10 , 10 a ; 10 b , 10 c ) on lateral sides of the brake application lever that face laterally relative to a brake application direction, the pockets configured for fixing the bearing shell ( 6 ; 6 a ).
2. The brake application device ( 1 ) as claimed in claim 1 , wherein the pockets ( 10 , 10 a , 10 b , 10 c ) are arranged symmetrically or asymmetrically on the brake application lever foot ( 4 , 4 a ).
3. The brake application device ( 1 ) as claimed in claim 1 , wherein the pockets ( 10 , 10 a ; 10 b , 10 c ) are formed in the brake application lever foot ( 4 ; 4 a ) during a forging process of the brake application lever ( 3 ).
4. The brake application device ( 1 ) as claimed in claim 1 , wherein the pockets ( 10 , 10 a ; 10 b , 10 c ) point away from the brake lining ( 8 ; 8 a ) or toward the brake lining ( 8 ; 8 a ).
5. The brake application device ( 1 ) as claimed in claim 1 , wherein the recess ( 9 ; 9 a ) of the brake application lever foot ( 4 ; 4 a ) is formed as a concave recess.
6. The brake application device ( 1 ) as claimed in claim 1 , wherein the brake application lever foot ( 4 ; 4 a ) has a blind hole ( 12 ; 12 a ) in the recess ( 9 ; 9 a ).
7. A brake application device ( 1 ) for a disc brake ( 2 ), wherein the disc brake ( 2 ) has at least one brake caliper ( 7 ) for receiving the brake application device ( 1 ) and brake linings ( 8 ; 8 a ) for applying the brake disc, the brake application device ( 1 ) comprising:
a brake application lever ( 3 ) having at least one brake application lever foot ( 4 ; 4 a ), wherein the brake application lever foot ( 4 ; 4 a ) has a recess ( 9 ; 9 a ) for receiving a bearing shell ( 6 ; 6 a ) on a side facing the brake lining ( 8 ; 8 a ) or on a side facing away from the brake lining ( 8 , 8 a ), the brake application lever foot having pockets ( 10 , 10 a ; 10 b , 10 c ) on lateral sides for fixing the bearing shell ( 6 ; 6 a );
wherein the brake application lever ( 3 ) has a first brake application lever foot ( 4 ) with a first pocket ( 10 ) and a second pocket ( 10 a ) and that the brake application lever ( 3 ) has a second brake application lever foot ( 4 a ) with a third pocket ( 10 b ) and a fourth pocket ( 10 c ).
8. A bearing shell ( 6 ; 6 a ) for a brake application device ( 1 ) for a disc brake ( 2 ) wherein the disc brake ( 2 ) has at least one brake caliper ( 7 ) for receiving the brake application device ( 1 ) and brake linings ( 8 ; 8 a ) for applying the brake disc, the brake application device ( 1 ) comprising:
a brake application lever ( 3 ) having at least one brake application lever foot ( 4 ; 4 a ), wherein the brake application lever foot ( 4 ; 4 a ) has a recess ( 9 ; 9 a ) for receiving the bearing shell ( 6 ; 6 a ) on a side facing the brake lining ( 8 ; 8 a ) and in the direction of the side facing the brake lining ( 8 ; 8 a ) or on a side facing away from the brake lining ( 8 ; 8 a ) and in the direction of the side facing away from the brake lining ( 8 ; 8 a ), the brake application lever foot having pockets ( 10 , 10 a ; 10 b , 10 c ) on lateral sides for fixing the bearing shell ( 6 ; 6 a );
the bearing shell ( 6 ; 6 a ) comprising lugs ( 11 , 11 a ; 11 b , 11 c ) arranged on lateral sides of the bearing shell, the lugs projecting toward the brake application lever ( 3 ).
9. The bearing shell ( 6 ; 6 a ) as claimed in claim 8 , wherein the lugs ( 11 , 11 a ; 11 b , 11 c ) of the bearing shell ( 6 ; 6 a ) are arranged symmetrically or asymmetrically.
10. The bearing shell ( 6 ; 6 a ) as claimed in claim 8 , wherein the lugs ( 11 , 11 a ; 11 b , 11 c ) of the bearing shell ( 6 , 6 a ) are configured for engaging the pockets ( 10 , 10 a ; 10 b , 10 c ) of the brake application lever foot ( 4 ; 4 a ) of the brake application lever ( 3 ).
11. The bearing shell ( 6 ; 6 a ) as claimed in claim 8 , wherein the lugs ( 11 , 11 a ; 11 b , 11 c ) of the bearing shells ( 6 ; 6 a ) are wave-shaped.
12. The bearing shell ( 6 ; 6 a ) as claimed in claim 8 , wherein the bearing shell ( 6 ; 6 a ) has a stud ( 13 ; 13 a ) on a side facing the brake application lever ( 3 ).
13. The bearing shell ( 6 ; 6 a ) as claimed in claim 12 , wherein the stud ( 13 ; 13 a ) of the bearing shell ( 6 ; 6 a ) is configured to engage a blind hole ( 12 ; 12 a ) of the recess ( 9 ; 9 a ) of the brake application lever foot ( 4 ; 4 a ).
14. The bearing shell ( 6 ; 6 a ) as claimed in claim 8 , wherein the bearing shell ( 6 ; 6 a ) has a semi-cylindrical shape.