CA2912773C - Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment - Google Patents

Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment Download PDF

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Publication number
CA2912773C
CA2912773C CA2912773A CA2912773A CA2912773C CA 2912773 C CA2912773 C CA 2912773C CA 2912773 A CA2912773 A CA 2912773A CA 2912773 A CA2912773 A CA 2912773A CA 2912773 C CA2912773 C CA 2912773C
Authority
CA
Canada
Prior art keywords
adapter
lip
tooth
legs
wedge
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
CA2912773A
Other languages
English (en)
French (fr)
Other versions
CA2912773A1 (en
Inventor
Robert S. Bierwith
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.)
Cr Mining Equipment Usa LLC
Original Assignee
Individual
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 US13/898,454 external-priority patent/US9249558B2/en
Application filed by Individual filed Critical Individual
Publication of CA2912773A1 publication Critical patent/CA2912773A1/en
Application granted granted Critical
Publication of CA2912773C publication Critical patent/CA2912773C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E02F9/2833—Retaining means, e.g. pins
    • E02F9/2841—Retaining means, e.g. pins resilient
    • 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
    • E02F9/2891—Tools for assembling or disassembling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Component Parts Of Construction Machinery (AREA)
CA2912773A 2013-05-20 2014-05-20 Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment Active CA2912773C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/898,454 US9249558B2 (en) 2009-09-15 2013-05-20 Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment
US13/898,454 2013-05-20
PCT/US2014/038855 WO2014189979A1 (en) 2013-05-20 2014-05-20 Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment

Publications (2)

Publication Number Publication Date
CA2912773A1 CA2912773A1 (en) 2014-11-27
CA2912773C true CA2912773C (en) 2021-05-04

Family

ID=51934061

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2912773A Active CA2912773C (en) 2013-05-20 2014-05-20 Hydraulic locking mechanism for securing teeth and tooth carrying adapters to excavating buckets of excavating equipment

Country Status (5)

Country Link
CN (1) CN105579644A (es)
AU (1) AU2014268636B2 (es)
CA (1) CA2912773C (es)
CL (1) CL2015003400A1 (es)
WO (1) WO2014189979A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190025021A (ko) * 2016-07-06 2019-03-08 메탈로제니아 리서치 앤드 테크놀러지스 에스.엘. 토양 이동 기계의 공구를 위한 마모 보호 시스템 및 그에 대응하는 핀

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012346A (en) * 1958-09-15 1961-12-12 Esco Corp Excavating tooth and base support therefor
US3256622A (en) * 1964-12-24 1966-06-21 William Douglas Sellers Tooth retainer assembly
US4663867A (en) * 1985-10-02 1987-05-12 Esco Corporation Locking device for whisler type adapter
US4761900A (en) * 1986-12-04 1988-08-09 Esco Corporation Excavating tooth assembly
US4823487A (en) * 1987-07-30 1989-04-25 Gh Hensley Industries, Inc. Resilient flex pin apparatus for excavating tooth point and adapter assemblies
ZA946878B (en) * 1993-09-08 1995-04-24 Keech Castings Australia Hydraulic fastening device and method
US5653048A (en) * 1995-11-06 1997-08-05 Esco Corporation Wear assembly for a digging edge of an excavator
AUPO657997A0 (en) * 1997-05-02 1997-05-29 Hedweld Engineering Pty. Ltd. A tooth wedge assembly
US20080201997A1 (en) * 2004-08-02 2008-08-28 Wundowie Foundry Pty Ltd. Tooth and Adaptor Assembly
CA2714471C (en) * 2009-09-15 2014-09-02 Robert S. Bierwith Hydraulic locking mechanism for securing tooth carrying adapters to lips of excavating buckets and the like

Also Published As

Publication number Publication date
WO2014189979A1 (en) 2014-11-27
AU2014268636B2 (en) 2017-11-30
CL2015003400A1 (es) 2017-01-13
CN105579644A (zh) 2016-05-11
CA2912773A1 (en) 2014-11-27
AU2014268636A1 (en) 2015-12-10

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20190515