Disc brake, in particular for utility vehicles

A disc brake for commercial vehicles, comprising:

• a brake disc (13);
• a first brake lining (14) on a first side of the brake disc (13);
• a second brake lining (16) on a second side of the brake disc (13) opposite the first side;
• a brake carrier (10);
• a brake caliper (12) mounted in a floating manner;
• a spreading device (28, 30;
• 42, 44;
• 48, 50), wherein the spreading device (28, 30;
• 42, 44;
• 48, 50) is configured to generate a force to move the first brake lining (14) and the second brake lining (16) away from one another, wherein the spreading device (28, 30;
• 42, 44;
• 48, 50) includes two elastic elements, both of which are retained on a common retainer bracket (18) extending across the first and the second brake lining (14, 16);
• and
• a restoring device (52), wherein the restoring device (52) is configured to generate a force to move the brake caliper (12) in relation to the brake carrier (10) in the direction opposite to a direction of movement of the brake caliper (12);
• wherein the retainer bracket (18) extends axially across the first and the second brake lining (14, 16)i
• wherein the brake caliper (12) is mounted on a bolt (54) displaceably in relation to the brake carrier (10), and the restoring device (52) includes a spring arranged entirely inside the bolt;
• wherein the restoring device (52) has a compression spring (58), the compression spring (58) being supported on a first stop (60) on a side facing the brake disc, wherein the first stop (60) is coupled axially to the brake caliper (12) at least in terms of a movement toward the brake disc (13), and
• the compression spring (58) being supported on a second stop (64) on a side facing away from the brake disc, wherein the second stop (64) is coupled axially to the bolt (54) at least in terms of a movement away from the brake disc (13).

A disc brake for utility vehicles comprising:

• a brake disc (13);
• a first brake lining (14) on a first side of the brake disc (13);
• a second brake lining (16) on a second side of the brake disc (13) opposite the first side;
• and
• a spreading device (28, 30;
• 42, 44;
• 48, 50), wherein the spreading device (28, 30;
• 42, 44;
• 48, 50) is configured to generate a force to move the first brake lining (14) and the second brake lining (16) away from one another, wherein the spreading device (28, 30;
• 42, 44;
• 48, 50) includes a first elastic element and a second elastic element, both of which are retained on a common retainer bracket (18) extending across the first and the second brake lining (14, 16);
• wherein the retainer bracket (18) extends axially across the first and the second brake lining (14, 16);
• wherein the first and second elastic elements each bear directly against first and second sheets (32, 34), wherein the first and second sheets are disposed at opposite ends of each of the first and second elastic elements, wherein the first sheet is disposed axially between the first and second elastic elements and a first backing plate of the first brake lining, and the second sheet is disposed axially between the first and second elastic elements and a second backing plate of the second brake lining.