EP4788872A1 - Système de retenue d'enveloppe de retrait pour outil de travail - Google Patents

Système de retenue d'enveloppe de retrait pour outil de travail

Info

Publication number
EP4788872A1
EP4788872A1 EP24773302.5A EP24773302A EP4788872A1 EP 4788872 A1 EP4788872 A1 EP 4788872A1 EP 24773302 A EP24773302 A EP 24773302A EP 4788872 A1 EP4788872 A1 EP 4788872A1
Authority
EP
European Patent Office
Prior art keywords
retention
shroud
block
face
plunger
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.)
Pending
Application number
EP24773302.5A
Other languages
German (de)
English (en)
Inventor
Eric T. Sinn
Douglas C. Serrurier
Corey M. WELLS
Kevin Spahn
Jerome A. Sendon
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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
Priority claimed from US18/510,804 external-priority patent/US12644260B2/en
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of EP4788872A1 publication Critical patent/EP4788872A1/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2825—Mountings therefor using adapters
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2833—Retaining means, e.g. pins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Surgical Instruments (AREA)

Abstract

Un système de retenue d'enveloppe (30) présente un bossage (32, 33) fixé à un outil de travail (10) et un bloc de retenue (34) fixé au bossage. Le système de retenue d'enveloppe comprend un bloc de piston (36, 37) relié au bloc de retenue et mobile de manière coulissante par rapport à celui-ci. Le bossage, le bloc de retenue et le bloc de piston peuvent être reçus de manière coulissante dans une enveloppe (22) comprenant une fente de retenue (74). Le système de retenue d'enveloppe comporte une plaque de retenue (38, 39) disposée dans la fente de retenue et configurée pour venir en prise avec le bloc de piston. Le système de retenue d'enveloppe comprend une cale (40, 41) avec une face avant de cale (380) venant en prise avec le bloc de retenue et une face arrière de cale (382) venant en prise avec une paroi interne d'enveloppe (106, 108). Le système de retenue d'enveloppe comporte un élément de fixation de retenue (44) qui passe à travers un trou traversant (324, 370, 432) dans le bloc de piston, la plaque de retenue et la cale et vient en prise avec un écrou de verrouillage (42) dans le bloc de retenue pour fixer l'enveloppe à l'outil de travail.
EP24773302.5A 2023-10-02 2024-09-04 Système de retenue d'enveloppe de retrait pour outil de travail Pending EP4788872A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202363587206P 2023-10-02 2023-10-02
US18/510,804 US12644260B2 (en) 2023-10-02 2023-11-16 Pullback shroud retention system for a work tool
PCT/US2024/045135 WO2025075734A1 (fr) 2023-10-02 2024-09-04 Système de retenue d'enveloppe de retrait pour outil de travail

Publications (1)

Publication Number Publication Date
EP4788872A1 true EP4788872A1 (fr) 2026-08-12

Family

ID=92816637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24773302.5A Pending EP4788872A1 (fr) 2023-10-02 2024-09-04 Système de retenue d'enveloppe de retrait pour outil de travail

Country Status (6)

Country Link
EP (1) EP4788872A1 (fr)
KR (1) KR20260083361A (fr)
CN (1) CN121969808A (fr)
AU (1) AU2024355589A1 (fr)
MX (1) MX2026003988A (fr)
WO (1) WO2025075734A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPS134802A0 (en) 2002-03-26 2002-05-09 Shark Abrasion Systems Pty Ltd Attachment system
US9938695B2 (en) * 2015-09-10 2018-04-10 Caterpillar Inc. Shroud retention system for a work tool
US10947704B2 (en) * 2018-11-20 2021-03-16 Caterpillar Inc. Bolt retention assembly for a work tool
US11365529B2 (en) * 2020-01-23 2022-06-21 Caterpillar Inc. Bolt retention assembly with extended travel for a work tool
US20240018753A1 (en) * 2020-12-11 2024-01-18 Avtru Pty Ltd Coupling assembly

Also Published As

Publication number Publication date
WO2025075734A1 (fr) 2025-04-10
MX2026003988A (es) 2026-05-04
CN121969808A (zh) 2026-05-01
KR20260083361A (ko) 2026-06-05
AU2024355589A1 (en) 2026-04-16

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