DE202010006017U1 - Disc brake converter - Google Patents

Disc brake converter Download PDF

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Publication number
DE202010006017U1
DE202010006017U1 DE201020006017 DE202010006017U DE202010006017U1 DE 202010006017 U1 DE202010006017 U1 DE 202010006017U1 DE 201020006017 DE201020006017 DE 201020006017 DE 202010006017 U DE202010006017 U DE 202010006017U DE 202010006017 U1 DE202010006017 U1 DE 202010006017U1
Authority
DE
Germany
Prior art keywords
brake
hydraulic
disc brake
converter
bore
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE201020006017
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMF KONSTRUKTIONEN GmbH
Original Assignee
SMF KONSTRUKTIONEN GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMF KONSTRUKTIONEN GmbH filed Critical SMF KONSTRUKTIONEN GmbH
Priority to DE201020006017 priority Critical patent/DE202010006017U1/en
Publication of DE202010006017U1 publication Critical patent/DE202010006017U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/102Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic in combination with mechanical elements

Abstract

A disc brake converter with an open system for bicycles comprising a housing (1) with a cylindrical bore (2), a hydraulic piston (3), a surge tank (8) with elastic membrane (9) with Schnüffelloch (7), cover (10) with bore (11) and a spring element (6), characterized in that the cable (4) through an axial bore of the hydraulic piston (3) is guided and clamped at the end.

Description

  • It is an open-disk disc brake converter for Bicycles, especially for bikes with Racing wheel, proposed by the brake lever Hand power via a cable in hydraulic pressure converts to operate a hydraulic disc brake but also a rim brake. Of the Converter includes a hydraulic piston which in one with brake fluid filled hydraulic cylinder builds up pressure and this the disc brake forwards.
  • Description:
  • The The invention relates to an open system disc brake converter for converting a cable-operated braking force into hydraulic Braking force on bicycles. Due to the relatively soft pressure point and the exposure to climatic influences in this embodiment Nowadays, high quality mountain bikes and touring bicycles are used equipped with hydraulic disc or rim brakes this only for straight handlebars, or with the special ones provided brake handles is possible. This results in as a special field of use for the invention Disc brake converter with open system equipping bicycles with racing handlebars since the prior art, the application a mechanical disc brake allows for this.
  • Out DE 4329039 a hydraulic actuator for bicycle brakes is known in which in the handle housing of the brake handle, a hydraulic master cylinder with piston and brake fluid is integrated which is operated directly via the hand lever.
  • the System is based on the problem that it is at wheels, in which the gearbox is integrated in the handle, not used can be because of the hydraulic unit in the brake handle not enough space is available.
  • The DE 4410615 describes a hydraulic adapter for bicycles, which allows the connection of a hydraulic actuator to an existing cable brake system without having to replace elements of the cable brake system.
  • Here a hydraulic force is used to operate the Bowden cable whereby all disadvantages of a cable brake remain.
  • To DE 20207009 a device for the conversion of manual force in hydraulic pressure is proposed which provides a brake fluid reservoir to compensate for volume fluctuations in the hydraulic system. Here, the elements required for power conversion including reservoir are completely integrated into the handlebars. It come in this regard only straight handlebars into consideration. In addition, the handlebar must be reworked, after which a Gestaltveränderungsmaßnahme problematic in terms of the strength of the steering tube can affect.
  • task The invention is the advantages of hydraulic discs / rim brakes and ergonomic handles for the front and rear brakes to combine in a compact design.
  • The Tasks are inventively with the disc brake converter solved with open system.
  • The The invention will be described below with reference to drawings Embodiment of the converter illustrated.
  • 1 Cross-sectional view through the converter
  • 2 Isometric view converter
  • The structure of the converter according to the invention shows a housing 1 in which a cylindrical bore 2 for the sliding movement of the hydraulic piston 3 is provided for pressure build-up or pressure reduction. The hydraulic piston 3 has a bore through which the cable 4 guided and clamped at the end. Upon actuation of a brake lever, the hydraulic piston 3 through the cable 4 drawn. This builds up a pressure on the output 5 is passed to the brake discs. Once the brake lever is released, the return movement of the hydraulic piston 3 and thus the relaxation of the brake by a return spring 6 ensured. The hydraulic cylinder 2 is over a snoop hole 7 with the expansion tank 8th connected which serves as a reservoir for the brake fluid. In this there is an elastic membrane 9 that over the
    cover 10 in which a hole 11 is provided, is connected to the outside air and at a heating and consequent expansion of the brake fluid, which may occur in disc brakes due to high friction, compensates for the increased volume. With a cooling and consequent reduction of the volume can from the surge tank 8th Refill brake fluid again. It is thus ensured that the brake can not operate independently and in any case sufficient liquid for applying the necessary pressure for the braking force is present.
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
  • Cited patent literature
    • - DE 4329039 [0003]
    • - DE 4410615 [0005]
    • - DE 20207009 [0007]

Claims (1)

  1. A disc brake converter with an open system for bicycles consisting of a housing ( 1 ) with cylindrical bore ( 2 ), a hydraulic piston ( 3 ), a surge tank ( 8th ) with elastic membrane ( 9 ) with beak hole ( 7 ), Lid ( 10 ) with bore ( 11 ) and a spring element ( 6 ), characterized in that the cable ( 4 ) through an axial bore of the hydraulic piston ( 3 ) is guided and clamped at the end.
DE201020006017 2010-04-20 2010-04-20 Disc brake converter Expired - Lifetime DE202010006017U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201020006017 DE202010006017U1 (en) 2010-04-20 2010-04-20 Disc brake converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201020006017 DE202010006017U1 (en) 2010-04-20 2010-04-20 Disc brake converter

Publications (1)

Publication Number Publication Date
DE202010006017U1 true DE202010006017U1 (en) 2010-09-30

Family

ID=42814115

Family Applications (1)

Application Number Title Priority Date Filing Date
DE201020006017 Expired - Lifetime DE202010006017U1 (en) 2010-04-20 2010-04-20 Disc brake converter

Country Status (1)

Country Link
DE (1) DE202010006017U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486575A (en) * 2010-12-16 2012-06-20 Roger Lionel David Sparrow Cable operated hydraulic master cylinder for a bicycle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329039A1 (en) 1993-08-28 1995-03-02 Fichtel & Sachs Ag Actuating device for a hydraulic brake on two-wheelers
DE4410615A1 (en) 1994-03-26 1995-09-28 Velo Marketing Soraruf Inh Gab Hydraulic adaptor for bicycle brake
DE20207009U1 (en) 2001-05-04 2002-10-02 Fuchs Nicole Device for converting manual force into hydraulic pressure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329039A1 (en) 1993-08-28 1995-03-02 Fichtel & Sachs Ag Actuating device for a hydraulic brake on two-wheelers
DE4410615A1 (en) 1994-03-26 1995-09-28 Velo Marketing Soraruf Inh Gab Hydraulic adaptor for bicycle brake
DE20207009U1 (en) 2001-05-04 2002-10-02 Fuchs Nicole Device for converting manual force into hydraulic pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486575A (en) * 2010-12-16 2012-06-20 Roger Lionel David Sparrow Cable operated hydraulic master cylinder for a bicycle

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20101104

R021 Search request validly filed

Effective date: 20101011

R163 Identified publications notified

Effective date: 20110622

R156 Lapse of ip right after 3 years

Effective date: 20131101