	US 12,459,466 B2
	Disc brake for a motor vehicle
Philip Dorn, Mannheim (DE); Paul Henning, Schwetzingen (DE); and Mirko Seip, Brombach (DE)
Assigned to ZF CV Systems Europe BV, Brussels (BE)
Filed by ZF CV Systems Europe BV, Brussels (BE)
Filed on Aug. 25, 2022, as Appl. No. 17/895,130.
Claims priority of application No. 10 2021 121 995.7 (DE), filed on Aug. 25, 2021.
Prior Publication US 2023/0067490 A1, Mar. 2, 2023
Int. Cl. F16D 65/097 (2006.01); B60T 1/06 (2006.01); F16D 55/225 (2006.01); F16D 55/00 (2006.01); F16D 65/00 (2006.01); F16D 127/02 (2012.01)

CPC B60T 1/065 (2013.01) [F16D 55/225 (2013.01); F16D 2055/0037 (2013.01); F16D 65/0081 (2013.01); F16D 65/0978 (2013.01); F16D 2127/02 (2013.01)]

18 Claims

1. A disc brake (1) for a motor vehicle, comprising:

a brake disc (2);

a brake caliper (3);

two brake pads (4, 4′) on both sides of the brake disc (2), the brake pads movably guided on the brake caliper (3);

a retainer spring (6, 6′) on each brake pad (4, 4′);

a retainer bracket (8-8^IV) for pre-tensioning the retainer springs (6, 6′) in relation to the respective brake pad (4, 4′); and

an expander spring (10, 10′) that applies an expansion force in an effective direction between the brake pads (4, 4′) and diverging the brake pads (4, 4′);

wherein the ends of the expander spring (10, 10′) bear in each case directly on one of the retainer springs (6, 6′);

a guide part (20-20″′) that receives the expander spring (10, 10′) and at least partially guides the expander spring in the effective direction of the expansion force;

wherein the guide part (20′-20″′) has at least one first guide mandrel (24-24′) which is disposed on the retainer bracket (8′-8^IV) and extends in a clearance (22′) on the retainer bracket (8′-8^IV).