Disc brake for a utility vehicle

Patent metadata

Field	Value
Publication number	US-10738844-B2
Application number	US-201815948339-A
Country	US
Kind code	B2
Filing date	Apr 9, 2018
Priority date	Oct 9, 2015
Publication date	Aug 11, 2020
Grant date	Aug 11, 2020

Abstract

A disc brake for a utility vehicle is provided. The disc brake includes a brake caliper overlapping a brake disc, the brake caliper being held on a brake carrier located on the vehicle in an axially displaceable manner with respect to the brake disc. The brake carrier has brake lining slots on opposite sides of the brake disc defined by brake carrier lugs on the entry and the exit side. Each slot receives a brake lining having a brake plate and a friction lining fastened thereto, configured such that each brake lining is supported at least at the entry side in the direction of rotation of the brake disc on the entry side brake carrier lug during braking.

First claim

What is claimed is:

1. A disc brake for a commercial vehicle, comprising:
a brake disc having a rotation axis;
a brake carrier configured to straddle the brake disc and be mounted on the vehicle;
a brake caliper configured to straddle the brake disc and be retained on the brake carrier such that the brake caliper is displaceable axially parallel to the rotation axis; and
brake pads each having a pad-carrier plate and a friction lining fastened thereon,
wherein
the brake carrier has lining slots on opposite sides of the brake disc configured to receive the brake pads, the lining slots being bounded on entry and exit sides by opposing brake carrier lugs,
in the region of the brake carrier lugs, each brake carrier lug has a respective protuberance present on a floor of each lining slot,
each of the brake pads have at each opposing end of the brake pad in a circumferential direction a protrusion configured to butt against each respective protuberance,
during braking the brake pads are supported on the brake carrier in the direction of rotation of the brake disc at least on the respective entry side brake carrier lugs, and
a distance between the protrusions of each brake pad is sized such that during a brake application event, the brake pad protrusions function as a tie between the respective brake carrier lug protuberances on the floor of each lining slot that inhibits separation of the respective protuberances and respective protrusions away from one another.

2. The disc brake according to claim 1 , wherein
each respective protuberance and associated brake carrier lug cooperate to form a recess configured to receive each respective brake pad protrusion.

3. The disc brake according to claim 2 , wherein
the respective protuberances and associated brake carrier lugs on mutually facing sides have supporting surfaces against which each respective protrusion abuts.

4. The disc brake according to claim 3 , wherein
each respective protuberance and associated brake carrier lug supporting surfaces are parallel to one another.

5. The disc brake according to claim 4 , wherein
the supporting surfaces are tangentially oriented relative to the brake disc.

6. The disc brake according to claim 3 , wherein
a distance between supporting surfaces of two protuberances at opposite sides of a respective one of the lining slots is the same as a clear distance between the two protrusions at opposite sides of a respective brake pad.

7. The disc brake according to claim 3 , wherein
the clear distance of the supporting surfaces of the respective protuberances and of the associated brake carrier lug in relation to one another is equal to, or slightly greater than, a width of each respective protrusion received between the respective supporting surfaces.

8. The disc brake according to claim 1 , wherein
the brake carrier lugs of only one of the opposing lining slots are connected to one another by a strut.

9. The disc brake according to claim 1 , wherein
a claw and a groove are located on at least an entry-side peripheral region of the brake pads, the claw and the groove being configured to receive a retaining pin of the associated brake carrier lug.

10. The disc brake according to claim 1 , wherein
a claw and a groove are located on free ends of at least an entry-side brake carrier lug, the claw and the groove being configured to receive a retaining pin of the respective brake pad.

11. The disc brake according to claim 1 , wherein
at a periphery region of the brake pads adjacent a floor of each lining slot, each brake pad includes at least one projecting extension configured to engage in an aperture of the respective adjacent brake carrier lug.

Assignees

• Knorr Bremse Systeme Fuer Nutzfahrzeuge Gmbh

Inventors

• Fricke Jens
• Molnar Markus
• Adelung Matthias
• Petschke Andreas
• Schropp Josef

Classifications

• F16D55/00

  Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes (similar clutches F16D13/38) · CPC title

• F16D65/183

  with force-transmitting members arranged side by side acting on a spot type force-applying member · CPC title

• F16D65/0978 Primary

  acting on one pad only · CPC title

• F16D65/0974

  acting on or in the vicinity of the pad rim in a direction substantially transverse to the brake disc axis · CPC title

• F16D65/097

  Resilient means interposed between pads and supporting members {or other brake parts} · CPC title