US 12,000,446 B2
Drum brake having a load measurement device
Martin Gädke, Hofheim/Ts. (DE); Holger von Hayn, Bad Vilbel (DE); Matthias Schulitz, Frankfurt am Main (DE); Ahmed Sefo, Frankfurt am Main (DE); Uwe Bach, Niedernhausen (DE); Adrian Messner, Mainz (DE); Wolfgang Ritter, Oberursel/Ts. (DE); Jens Hoffmann, Darmstadt (DE); Falk Petzold, Frankfurt am Main (DE); Martin Kruse, Frankfurt am Main (DE); Christian Vey, Frankfurt am Main (DE); and Ulrike Meyer, Schwalbach (DE)
Assigned to CONTINENTAL TEVES AG & CO. OHG, Frankfurt am Main (DE)
Appl. No. 17/612,422
Filed by Continental Teves AG & Co. OHG, Frankfurt am Main (DE)
PCT Filed May 20, 2020, PCT No. PCT/EP2020/064113
§ 371(c)(1), (2) Date Nov. 19, 2021,
PCT Pub. No. WO2020/239586, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 10 2019 207 664.5 (DE), filed on May 24, 2019.
Prior Publication US 2022/0228635 A1, Jul. 21, 2022
Int. Cl. F16D 65/22 (2006.01); F16D 51/20 (2006.01); F16D 51/24 (2006.01); F16D 65/08 (2006.01); F16D 51/00 (2006.01); F16D 66/00 (2006.01); F16D 121/24 (2012.01)
CPC F16D 65/22 (2013.01) [F16D 51/24 (2013.01); F16D 65/08 (2013.01); F16D 2051/001 (2013.01); F16D 2066/005 (2013.01); F16D 2121/24 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A drum brake comprising:
a brake drum;
two brake shoes, which can be applied to the brake drum, are secured on the brake shoe side of a carrier plate and each have a pressure end and an abutment end;
a spreader device situated between the pressure ends;
an abutment having a cylinder in which two pistons are guided, on the outer end faces of which the abutment ends of the brake shoes rest and the inner end faces of which are each supported by a spring on a step in the cylinder;
a load measurement device situated between the abutment ends wherein, the load measurement device determines the load prevailing at the abutment; and
a hollow peg which projects from the outside of the cylinder and penetrates an opening in the carrier plate, such that it can be received in a receiving space located in one of a steering knuckle resting against the carrier plate and in a reinforcement element fixed on the steering knuckle.