FR3070465B1 - GEARBOX FORK CROSS, FORK COMPRISING SAME AND MANUFACTURING METHODS THEREOF, AND GEARBOX COMPRISING AT LEAST ONE SUCH FORK - Google Patents

GEARBOX FORK CROSS, FORK COMPRISING SAME AND MANUFACTURING METHODS THEREOF, AND GEARBOX COMPRISING AT LEAST ONE SUCH FORK Download PDF

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Publication number
FR3070465B1
FR3070465B1 FR1758020A FR1758020A FR3070465B1 FR 3070465 B1 FR3070465 B1 FR 3070465B1 FR 1758020 A FR1758020 A FR 1758020A FR 1758020 A FR1758020 A FR 1758020A FR 3070465 B1 FR3070465 B1 FR 3070465B1
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FR
France
Prior art keywords
fork
gearbox
notch
dog clutch
same
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.)
Active
Application number
FR1758020A
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French (fr)
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FR3070465A1 (en
Inventor
Eric Doremus
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.)
BRONZE ALU
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BRONZE ALU
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Publication date
Application filed by BRONZE ALU filed Critical BRONZE ALU
Priority to FR1758020A priority Critical patent/FR3070465B1/en
Publication of FR3070465A1 publication Critical patent/FR3070465A1/en
Application granted granted Critical
Publication of FR3070465B1 publication Critical patent/FR3070465B1/en
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Anticipated expiration legal-status Critical

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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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • 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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • F16H2063/322—Gear shift yokes, e.g. shift forks characterised by catches or notches for moving the fork

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

Crosse (9) de fourchette (23, 33) de boîte de vitesses de véhicule, réalisée en un premier matériau, comportant un crabot (11) consistant en une encoche (12) comportant un côté ouvert, un fond d'encoche (13) et deux parois latérales (14, 15) qui sont sensiblement perpendiculaires audit fond d'encoche (13), caractérisée en ce qu'elle comporte une pièce additionnelle (22 ; 32) comportant une face supérieure et une face inférieure autour de laquelle la crosse (9) a été surmoulée, réalisée en un matériau différent de celui du restant de la crosse (9) et présentant un module d'Young, une limite élastique et une résistance à la traction supérieurs à ceux dudit premier matériau de la crosse (9), ladite pièce additionnelle (22 ; 32) comportant une échancrure (24) destinée à entourer l'encoche (12) du crabot (11) ou à déborder sur au moins une portion du pourtour intérieur de l'encoche (12) du crabot (11). Fourchette (23 ; 33 ; 56) de boîte de vitesses, comportant une telle crosse, venue de matière ou non avec ladite fourchette (23 ; 33 ; 56), et boîte de vitesses comportant au moins une telle fourchette (23 ; 33 ; 56). Procédés de fabrication d'une telle crosse (9) et d'une telle fourchette (23 ; 33 ; 56).Fork (23, 33) of a vehicle gearbox, made of a first material, comprising a dog clutch (11) consisting of a notch (12) having an open side, a notch bottom (13) and two side walls (14, 15) which are substantially perpendicular to said bottom of the notch (13), characterized in that it comprises an additional part (22; 32) comprising an upper face and a lower face around which the stock (9) was overmolded, made of a material different from that of the remainder of the butt (9) and having a Young's modulus, an elastic limit and a tensile strength greater than those of said first material of the butt (9 ), said additional part (22; 32) comprising a notch (24) intended to surround the notch (12) of the dog clutch (11) or to project over at least a portion of the inner periphery of the notch (12) of the dog clutch (11). Fork (23; 33; 56) of a gearbox, comprising such a stick, whether or not integrally formed with said fork (23; 33; 56), and gearbox comprising at least one such fork (23; 33; 56 ). Methods of manufacturing such a stock (9) and such a fork (23; 33; 56).

FR1758020A 2017-08-31 2017-08-31 GEARBOX FORK CROSS, FORK COMPRISING SAME AND MANUFACTURING METHODS THEREOF, AND GEARBOX COMPRISING AT LEAST ONE SUCH FORK Active FR3070465B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1758020A FR3070465B1 (en) 2017-08-31 2017-08-31 GEARBOX FORK CROSS, FORK COMPRISING SAME AND MANUFACTURING METHODS THEREOF, AND GEARBOX COMPRISING AT LEAST ONE SUCH FORK

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1758020 2017-08-31
FR1758020A FR3070465B1 (en) 2017-08-31 2017-08-31 GEARBOX FORK CROSS, FORK COMPRISING SAME AND MANUFACTURING METHODS THEREOF, AND GEARBOX COMPRISING AT LEAST ONE SUCH FORK

Publications (2)

Publication Number Publication Date
FR3070465A1 FR3070465A1 (en) 2019-03-01
FR3070465B1 true FR3070465B1 (en) 2020-04-03

Family

ID=60515531

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1758020A Active FR3070465B1 (en) 2017-08-31 2017-08-31 GEARBOX FORK CROSS, FORK COMPRISING SAME AND MANUFACTURING METHODS THEREOF, AND GEARBOX COMPRISING AT LEAST ONE SUCH FORK

Country Status (1)

Country Link
FR (1) FR3070465B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640777B1 (en) * 1988-12-15 1991-04-05 Bronze Acior Sa MOTOR VEHICLE GEARBOX FORK
FR2779796B1 (en) * 1998-06-16 2000-08-11 Coutier Moulage Gen Ind PLASTIC GEARBOX FORK

Also Published As

Publication number Publication date
FR3070465A1 (en) 2019-03-01

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