EP3180536A1 - Bride d'essieu et support de frein - Google Patents

Bride d'essieu et support de frein

Info

Publication number
EP3180536A1
EP3180536A1 EP15747167.3A EP15747167A EP3180536A1 EP 3180536 A1 EP3180536 A1 EP 3180536A1 EP 15747167 A EP15747167 A EP 15747167A EP 3180536 A1 EP3180536 A1 EP 3180536A1
Authority
EP
European Patent Office
Prior art keywords
brake
flange
axle
holes
wheel axle
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.)
Withdrawn
Application number
EP15747167.3A
Other languages
German (de)
English (en)
Inventor
Jörg EBERT
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.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge 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 Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of EP3180536A1 publication Critical patent/EP3180536A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
    • F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
    • F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D2051/001—Parts or details of drum brakes
    • F16D2051/003—Brake supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0008—Brake supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1348—Connection resilient
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1388—Connection to shaft or axle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1392—Connection elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0084—Assembly or disassembly

Definitions

  • the present invention relates to an axle flange arranged on a wheel axle of a motor vehicle according to the preamble of claim 1 and to a brake carrier of a disc brake according to the preamble of claim 7 and to a brake carrier of a self-supporting drum brake according to the preamble of claim 8.
  • Generic axle flanges are known, for example, from DE 10 2007 013 670 A1 discloses in which an approximately semicircular Achsflansch is disclosed, which is particularly adapted to the mounting requirements of a drum brake.
  • the object of the present invention is to provide an axle flange arranged in a wheel hub, to which both a brake carrier of a disk brake with standardized hole pattern and a brake carrier of a so-called self-contained (drum brake) can be fastened.
  • the object is achieved by a on a wheel axle of a arranged Achsflansch with the features of claim 1.
  • the axle flange arranged on the wheel axle has a plurality of through bores for connection to a brake carrier, connecting means such as, for example, screws or bolts being feasible through these through bores.
  • the axle flange in this case has at least two spaced apart flange surfaces, wherein the through holes are arranged in the flange so that they are adapted to the hole pattern of a flange of a brake carrier of a disc brake and on the other hand, the hole pattern of a connecting flange of a brake carrier self-supporting drum brake.
  • the flange surfaces are arranged at an angle of 100 to 140 ° to each other, which ensures a high stability of the connection between the axle flange and the attached thereto brake carrier of the disc brake or the drum brake.
  • Each of the flange surfaces preferably has at least two through-holes.
  • the through-holes on the flange surfaces are arranged according to a further preferred embodiment such that their distance from the axle center of the wheel axle is not more than 150% of the radius of the wheel axle and thereby keeps the space of the axle flange small.
  • the enabled by the inventive design of Achsflansch machining the Achsflansches by a turning in a single clamping also ensures a very accurate positioning of the brake to the drum or brake disc, which has an advantageous effect on the right / left braking or noise in drum brakes.
  • each of the flange surfaces on three through holes of which two of the through holes are arranged at the same distance to the axle center of the wheel axle and particularly preferably the third of the through holes further than the two at the same distance to the axle center of the wheel axle arranged through holes for Achsstoffddling the wheel axle is arranged.
  • the brake carrier of a disc brake according to the invention is characterized in that the through holes of the connecting flange of the brake carrier are arranged such that it is at least partially adapted to the hole pattern of the flange of a Achsflansches a wheel axle according to one of the preceding claims.
  • a brake carrier of a self-supporting drum brake is configured such that the through holes of the connection flange of the brake carrier of the self-supporting drum brake are arranged such that it is at least partially adapted to the hole pattern of the flange surface of the axle flange of a wheel axle according to one of the preceding claims.
  • FIG. 1 shows a perspective view of a variant of an axle flange according to the invention
  • FIG. 2 shows a perspective view of a disk brake fastened to the axle flange according to FIG. 1,
  • FIG. 3 shows a further perspective view of the disk brake fastened to the axle flange according to FIG. 1, showing the attachment of the brake carrier to the axle flange;
  • FIG. 4 is a perspective view of one of the Achsflansch according to
  • FIG. 5 shows a further perspective view of the mounted on the Achsflansch according to Figure 1 drum brake of Figure 4 showing the attachment of the brake carrier on the axle flange and
  • Figures 6 and 7 are perspective views of the brake carrier of the drum brake.
  • top, bottom, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the axle flange, the drum brake, the disc brake, the brake carrier and the like selected in the respective figures. These terms are not intended to be limiting, that is to say, by different working positions or the mirror-symmetrical design or the like, these references may change.
  • the reference numeral 1 denotes a wheel axle of a motor vehicle, in particular a utility vehicle.
  • Achsflansch 2 is attached at this wheel axle 1 .
  • this axle flange 2 has two flange surfaces 3 that project radially outward from the longitudinal axis of the wheel axle 1. Passing through the flange surfaces 3 parallel to the longitudinal axis of the wheel axle 1 through holes 4, through which for mounting a brake carrier 14 of a disc brake 10, shown in Figure 2 or a brake carrier 25 of a self-supporting drum brake 20, shown in Figure 4, connecting means 16, 28, such as For example, screws or bolts are feasible and with which the brake carrier 14, 25 are fastened to the axle flange 2.
  • the flange surfaces 3 and through holes 4 provided in these are arranged in such a way that on the one hand they are adapted to the hole pattern of the brake carrier 14 of the disc brake 10 and on the other hand to the hole pattern of the brake carrier 25 of the self-supporting drum brake 20.
  • FIGS. 2 and 3 A disk brake mounted on a wheel axle 1 with such a axle flange 2 is shown in FIGS. 2 and 3.
  • FIGS. 4 to 7 show a drum brake 20 mounted on a wheel axle 1 with such a axle flange 2.
  • the flange surfaces 3 are arranged at an angle of 100 ° to 140 ° relative to one another in the circumferential direction of the wheel axle 1, which ensures secure mounting of a brake carrier 14 of a disk brake 10 and on the other hand, a brake carrier 25 of a self-supporting drum brake 20 guaranteed.
  • Each of the flange surfaces 3 of the axle flange 2 has at least two through-holes 4, so that the brake carriers 10, 14 can be fixed to each of the flange surfaces 3 of the axle flange 2 with two connection means 16, 28 preferably designed as bolts or screws.
  • three such through-holes 4 are provided on each of the flange surfaces 3.
  • two of the through-holes 4 are preferably arranged at the same distance to the axle center of the wheel axle 1.
  • the third through-bore 4 is preferably arranged further than the two through-bores 4 arranged at the same distance to the center axis of the wheel axle 1 to the center axis of the wheel axle 1.
  • the through hole 4 arranged further from the axle center of the wheel axle 1 is preferably the middle through hole 4 which, viewed in the circumferential direction, is arranged between the two through holes 4, which are arranged at the same distance from the axle center of the wheel axle 1.
  • the flange 3 of the Achsflansches 2 and the through holes 4 are formed or mounted in the flange 3 as close as possible to the axle center of the wheel axle 1 on the wheel axle.
  • the through-holes 4 are arranged on the flange surfaces 3 such that their distance from the axle center of the wheel axle 1 is not more than 150% of the radius of the wheel axle 1.
  • the brake carrier 14 of a disc brake 10 shown in FIG. 2 the brake carrier 14 is provided with a plurality of through bores for connection to the axle flange 2 of the wheel axle 1.
  • a caliper 1 1 Placed on the brake carrier 14 is a caliper 1 1 with a lining shaft, in which two brake pads 13 are used.
  • the gap 12 between the brake pads 13 is in the finished assembled state of the disc brake disc 15, shown in Figure 3, which is placed on the rotatable part of the wheel axle 1 and rotates in operation together with the vehicle.
  • FIGS. 4 and 5 show the arrangement of a self-holding drum brake 20 on the wheel axle 1.
  • the drum brake 20 is provided with two brake shoes 22 which are spreadable via an S-cam 24 and respectively pressed against the inner wall of a drum, not shown here.
  • the drive of the S-cam 24 takes place via a wheel brake cylinder 21st
  • a wheel hub 23 is mounted, which together rotates with the brake drum and against the brake pads 22 are pressed radially outward during a braking operation.
  • a brake carrier 25 of this drum brake 20, on which the wheel brake cylinder 21 and the brake pads 22 and further mechanism of the drum brake known per se are held is, as shown in detail in Figures 6 and 7, provided with a flange 27, on the the brake carrier is fixed to the flange surfaces 3 of the axle flange 2.
  • the flange 27 preferably has at an angular distance of 100 ° to 140 ° respective groups of through holes 26, wherein the hole pattern of the flange 27 corresponds to the hole pattern of the flange 3 of the Achsflansches 2.
  • the rewritten wheel flange 2 of the wheel axle 1 is thus suitable for fastening both a disc brake 10 and a self-supporting drum brake without further effort or adapters.
  • the axle flange 2 described above is also suitable for twin tires as well as for super single tires.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne une bride d'essieu (2) agencée sur un essieu (1) d'un véhicule automobile, en particulier d'un véhicule utilitaire, comportant au moins une surface de bride (3) présentant plusieurs trous traversants (4) pour le raccordement à un support de frein. Des moyens de raccordement peuvent être introduits dans les trous traversants (4), et les trous traversants (4) sont agencés de telle manière qu'ils sont adaptés d'une part à la configuration de perçage d'un support de frein à disque et d'autre part à la configuration de perçage d'un support de frein à tambour autoportant.
EP15747167.3A 2014-08-11 2015-08-07 Bride d'essieu et support de frein Withdrawn EP3180536A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014111405.1A DE102014111405A1 (de) 2014-08-11 2014-08-11 Achsflansch und Bremsträger
PCT/EP2015/068308 WO2016023842A1 (fr) 2014-08-11 2015-08-07 Bride d'essieu et support de frein

Publications (1)

Publication Number Publication Date
EP3180536A1 true EP3180536A1 (fr) 2017-06-21

Family

ID=53783238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15747167.3A Withdrawn EP3180536A1 (fr) 2014-08-11 2015-08-07 Bride d'essieu et support de frein

Country Status (7)

Country Link
US (1) US20170211641A1 (fr)
EP (1) EP3180536A1 (fr)
CN (1) CN106687708A (fr)
BR (1) BR112017002643A2 (fr)
DE (1) DE102014111405A1 (fr)
RU (1) RU2669752C2 (fr)
WO (1) WO2016023842A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107489700B (zh) * 2016-11-25 2020-01-17 宝沃汽车（中国）有限公司 联轴器、扭力梁后桥结构和车辆
CN109050509A (zh) * 2018-08-13 2018-12-21 长兴微羽智能科技有限公司 一种双向抗扭刹车支架

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538212A1 (de) * 1995-10-13 1997-04-17 Lucas Ind Plc Achsbaugruppe
DE10202778B4 (de) * 2002-01-25 2018-05-30 Bpw Bergische Achsen Kg Bremsträgeranordnung
US7021431B2 (en) * 2002-07-09 2006-04-04 James C Beattie Disk brake caliper mounting bracket
DE102004004670A1 (de) * 2004-01-30 2005-08-18 Schmitz Cargobull Ag Bremsträger zur Befestigung eines statischen Bremselementes
DE102005038275B4 (de) * 2005-08-12 2009-09-24 Saf-Holland Gmbh Bremsträger
DE102007013670A1 (de) 2007-03-19 2008-09-25 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH An einem Achsflansch eines Kraftfahrzeuges anschraubbarer Bremsträger
PT2212580E (pt) * 2007-11-27 2012-08-28 Asteria Performance Inc Travão de disco anelar e método para aumentar a força de aperto de calços de travão
DE102008034653A1 (de) * 2008-07-25 2010-01-28 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse, insbesondere für ein Nutzfahrzeug
US8827015B2 (en) * 2011-10-25 2014-09-09 Arvinmeritor Technology, Llc Spindle and brake attachment member for a vehicle
DE102013100173B4 (de) * 2013-01-09 2021-07-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse für ein Nutzfahrzeug
CN203111170U (zh) * 2013-02-26 2013-08-07 江西万向昌河汽车底盘系统有限公司 新型汽车制动器支架

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2016023842A1 *

Also Published As

Publication number Publication date
RU2669752C2 (ru) 2018-10-15
DE102014111405A1 (de) 2016-02-11
WO2016023842A1 (fr) 2016-02-18
RU2017107774A (ru) 2018-09-13
CN106687708A (zh) 2017-05-17
RU2017107774A3 (fr) 2018-09-13
BR112017002643A2 (pt) 2017-12-05
US20170211641A1 (en) 2017-07-27

Similar Documents

Publication Publication Date Title
DE102013206545B4 (de) Lenkbare Radseite einer Antriebsachse
DE102011007110A1 (de) Radlager-Baugruppe eines Fahrzeugs
EP2266817B1 (fr) Palier de roue pour axes de véhicules
EP3018379A1 (fr) Dispositif de blindage pour un disque de frein
DE69826392T2 (de) Modulartiger schwimmsattel für scheibenbremse
DE3339687A1 (de) Radnabe mit integriertem untersetzungsgetriebe
EP3180536A1 (fr) Bride d'essieu et support de frein
DE102007013670A1 (de) An einem Achsflansch eines Kraftfahrzeuges anschraubbarer Bremsträger
DE102017204203A1 (de) Radlageranordnung für ein Kraftfahrzeug
EP2148110A1 (fr) Revêtement pour le disque de frein d'un frein à disques de véhicule
EP3375272B1 (fr) Rouleaux de compactage pour le travail du sol
DE202013101406U1 (de) Scheibenbremse
DE4402960C2 (de) Scheibenbremse
DE2947537C2 (de) Reibbelagträger mit auswechselbaren Reibbelägen
EP1335144B1 (fr) Ensemble de support de frein
DE19858243B4 (de) Bremsscheibe für Scheibenbremsen
WO2021140047A2 (fr) Garniture de frein pour frein à disque d'un véhicule ferroviaire et frein à disque
EP2695799B1 (fr) Machine de construction à direction pendulaire / à pivot
DE10259156B4 (de) Radnabe für die Lagerung eines Fahrzeugsrades
DE10346343B4 (de) An einer Radnabe befestigbare Bremsscheibe
EP3976987A1 (fr) Porte-fusée d'un véhicule utilitaire
DE102007056748B4 (de) Bremsscheiben/Nabenverbindung
EP3710717B1 (fr) Ensemble de freinage pour véhicule commercial
DE102005031753A1 (de) Bremsträgeranordnung für eine Fahrzeugbremse
EP0547522B2 (fr) Frein à tambour, spécialement frein de stationnement pour véhicule à moteur

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20170313

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20190327

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20191008