Pad replacement kit, caliper body, pad and insert assembly and method of exerting a modified braking action

Patent metadata

Field	Value
Publication number	US-9933033-B2
Application number	US-201414896054-A
Country	US
Kind code	B2
Filing date	Jun 6, 2014
Priority date	Jun 6, 2013
Publication date	Apr 3, 2018
Grant date	Apr 3, 2018

Abstract

A caliper assembly ( 100 ) of a disc brake caliper, of the type with a modified braking action, comprising a caliper body ( 1 ) suitable to arrange astride of a brake disc, at least one first pad ( 8 ) being slidably received in at least one first seat ( 101 ) and so as to position itself between a first vehicle side elongated portion ( 5 ) and a first braking surface of the brake disk to abut, with a first pad plane ( 128 ) thereof, against said first braking surface ( 3 ) and to exert a braking action on the brake disc when pressed by the thrust means upon demand for a first friction action exerted by the first pad friction material against said first braking surface ( 3 ) causing a braking action, said assembly ( 100 ) further comprising a first insert ( 106 ) in a separate body from said caliper body ( 1 ) and in a separate body to said first pad ( 8 ) and particular in a separate body to said first pad plate ( 102 ), said first insert ( 106 ) comprises a balance wheel body ( 119 ) hinged to the caliper body ( 1 ) and oscillating in relation to the caliper body ( 1 ) so as to change, in an adjustable manner avoiding replacement of the insert, the angle between the plate support surface ( 107 ) of said insert ( 106 ) and said plane ( 104 ) defined by the braking surface ( 3 ) or said pad plane ( 128 ).

First claim

The invention claimed is:

1. A caliper assembly of a disc brake caliper with a modified braking action, the caliper assembly comprising:
a caliper body suitable to position astride a brake disc, the brake disc having a first braking surface defining a first plane;
said caliper body comprises a first elongated portion suitable to face said first braking surface of the brake disc and a thrust means housed in the first elongated portion;
said first elongated portion comprises at least one first seat having at least one first seat support wall;
said at least one first seat being suitable to receive a first pad having a first pad plate on which a first pad friction material is placed, defining a first pad plane suitable to face and be positioned substantially parallel to said first plane defined by the first braking surface;
said first pad being slidably received in said at least one first seat and configured to be positioned between said first elongated portion and said first braking surface to abut, with said first pad plane thereof, against said first braking surface and to exert a braking action on the brake disc when pressed by the thrust means upon demand for a first friction action exerted by the first pad friction material against said first braking surface causing the braking action; and
said first pad plate being suitable to abut against said at least one first seat support wall to release onto said caliper body a first reaction action to said first friction action;

said caliper assembly further comprising a first insert in a separate body from said caliper body and in a separate body to said first pad and in a separate body to said first pad plate;
said first insert comprising at least one first plate support surface;
said first plate support surface forms an abutment surface for the first pad;
said first insert interposed between said at least one first seat support wall of said at least one first seat provided in said first elongated portion of the caliper body and said first pad plate of said first pad so as to position said first plate support surface substantially facing said first pad plate and inclined in relation to said first plane defined by the first braking surface or in relation to said first pad plane; and
characterised in that
said first insert comprises a balance wheel body hinged to the caliper body and oscillating in relation to the caliper body, said first insert configured to adjust an angle between the first plate support surface of said first insert and said first plane defined by the first braking surface or said first pad plane.

2. The caliper assembly according to claim 1 , wherein
said caliper body further comprises a second elongated portion suitable to face a second braking surface of the brake disc opposite said first braking surface and defining a second plane;
said second elongated portion comprises at least one second seat having at least one second seat support wall;
said second seat being suitable to receive opposite a second pad having a second pad plate on which a second pad friction material is placed, defining a second pad plane suitable to face and position itself substantially parallel to said second plane defined by the second braking surface;
said second pad being slidably received in said at least one second seat and so as to position itself between said second elongated portion and said second braking surface to abut against said second braking surface and to exert a braking action on the brake disc causing a second friction action exerted by the second pad friction material against said second braking surface causing a braking action;
said second pad plate being suitable to abut against said at least one second seat support wall to release on said caliper body a second reaction action to said second friction action;
said caliper assembly further comprising a second insert in a separate body to said caliper body and in a separate body to said second pad and particular in a separate body to said second pad plate;
said second insert comprising at least one second plate support surface;
said second plate support surface forms an abutment surface for the second pad;
said second insert interposed between said second seat support wall of said second seat provided in said second elongated portion of the caliper body and said second pad plate of said second pad so as to position said second plate support surface facing said second pad plate and inclined to said second plane defined by the second braking surface or second pad plane; and
wherein said second insert comprises a balance wheel body hinged to the caliper body and oscillating in relation to the caliper body said second insert configured to adjust the angle between the second plate support surface of said second insert and said second plane defined by the second braking surface or said second pad plane.

3. The caliper assembly according to claim 1 , wherein said first insert is an interchangeable wedge inserted interposed between said first seat support wall and said first pad plate; and
wherein said first insert is one of a series of first inserts, each of the series of first inserts being suitable to form a predefined angle with said first plane defined by the first braking surface, each of the series of first inserts capable of exerting different and selected changes in the braking action.

4. The caliper assembly according to claim 1 , wherein said first insert is suitable to form a predefined acute angle with said first plane defined by the first braking surface, amplifying the braking action of said first pad on said first braking surface of the brake disc.

5. The caliper assembly according to claim 1 , wherein:
said first pad plate comprises a portion of first plate edge facing said first plate support surface of said first insert; and optionally,
said portion of first plate edge facing said first plate support surface is inclined so as to be substantially parallel to said first plate support surface of said first insert.

6. The caliper assembly according to claim 1 , wherein said first insert comprises an insert body forming said first plate support surface suitable to face the first pad, said insert body is connected to the caliper body, wherein:
said insert body is removably connected to the caliper body and configured to be replaced to change the braking action of the first pad on the first braking surface of the brake disc; and
said insert body comprises insert wings configured to embrace at least one portion of an edge of the first pad and to guide the first pad to abut against said first plate support surface of the first insert.

7. The caliper assembly according to claim 1 , wherein said first plate support surface of said first insert is selectively positioned in relation to the caliper body, or said first pad plate, to form a first obtuse angle between said first plate support surface and said first plane defined by the first braking surface, or said first pad plane, an extent of the first obtuse angle being selectable in a defined manner to change the braking action of said first pad on said first braking surface of the brake disc;
a second plate support surface of a second insert is selectively positioned in relation to the caliper body, or a second pad plate, to form a second obtuse angle between said second plate support surface and a second plane defined by a second braking surface, or second pad plane, an extent of the second obtuse angle being selectable in a defined manner to change the braking action of a second pad on said second braking surface of the brake disc;
a pad seat comprises a seat bottom wall and/or a seat support wall in which a lowered portion or a housing is made, in which said balance wheel body is housed, and

Assignees

• Freni Brembo Spa

Inventors

• Comenduli Alberto
• Rodriguez Facundo Hector
• Cantoni Carlo
• Arienti Roberto

Classifications

• F16D2127/10

  having wedging elements · CPC title

• F16D65/62

  self-acting in both directions for adjusting excessive and insufficient play · CPC title

• F16D2055/002

  assembled from a plurality of parts · CPC title

• F16D65/18 Primary

  adapted for drawing members together {, e.g. for disc brakes} · CPC title