WO2002010522A8 - Thumb for a backhoe - Google Patents

Thumb for a backhoe

Info

Publication number
WO2002010522A8
WO2002010522A8 PCT/US2000/020687 US0020687W WO0210522A8 WO 2002010522 A8 WO2002010522 A8 WO 2002010522A8 US 0020687 W US0020687 W US 0020687W WO 0210522 A8 WO0210522 A8 WO 0210522A8
Authority
WO
WIPO (PCT)
Prior art keywords
thumb
bucket
backhoe
thumb assembly
linkage
Prior art date
Application number
PCT/US2000/020687
Other languages
French (fr)
Other versions
WO2002010522A1 (en
Inventor
John C Miller
Original Assignee
John C Miller
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 John C Miller filed Critical John C Miller
Priority to JP2003530034A priority Critical patent/JP4488737B2/en
Priority to US10/343,455 priority patent/US7111419B1/en
Priority to EP00993942A priority patent/EP1343940A4/en
Priority to PCT/US2000/020687 priority patent/WO2002010522A1/en
Priority to CA002400917A priority patent/CA2400917A1/en
Publication of WO2002010522A1 publication Critical patent/WO2002010522A1/en
Publication of WO2002010522A8 publication Critical patent/WO2002010522A8/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/306—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with telescopic dipper-arm or boom
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
    • E02F3/404—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors comprising two parts movable relative to each other, e.g. for gripping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Operation Control Of Excavators (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

A digging implement (10) including an extendable linkage (12) including a bucket (14) and a thumb assembly (34) for holding materials in the bucket (14). The thumb assembly (34) is configured to rotate as the linkage (12) extends, and both the bucket (14) and the thumb assembly (34) are independently operable.
PCT/US2000/020687 2000-07-31 2000-07-31 Thumb for a backhoe WO2002010522A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2003530034A JP4488737B2 (en) 2000-07-31 2000-07-31 Push lever used for backhoe
US10/343,455 US7111419B1 (en) 2000-07-31 2000-07-31 Thumb for a backhoe
EP00993942A EP1343940A4 (en) 2000-07-31 2000-07-31 Thumb for a backhoe
PCT/US2000/020687 WO2002010522A1 (en) 2000-07-31 2000-07-31 Thumb for a backhoe
CA002400917A CA2400917A1 (en) 2000-07-31 2000-07-31 Thumb for a backhoe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/020687 WO2002010522A1 (en) 2000-07-31 2000-07-31 Thumb for a backhoe

Publications (2)

Publication Number Publication Date
WO2002010522A1 WO2002010522A1 (en) 2002-02-07
WO2002010522A8 true WO2002010522A8 (en) 2002-06-06

Family

ID=21741632

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/020687 WO2002010522A1 (en) 2000-07-31 2000-07-31 Thumb for a backhoe

Country Status (4)

Country Link
EP (1) EP1343940A4 (en)
JP (1) JP4488737B2 (en)
CA (1) CA2400917A1 (en)
WO (1) WO2002010522A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2594398C2 (en) 2010-07-21 2016-08-20 Вольво Компакт Эквипмент С А С Detachable pressure element assembly and back hoe mechanism with such assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833422A (en) * 1950-12-28 1958-05-06 Ferwerda Ray Telescopic boom
US3477602A (en) * 1967-12-29 1969-11-11 Caterpillar Tractor Co Bucket arrangement with articulated gathering cover
US3688930A (en) * 1971-04-05 1972-09-05 John F Shumaker Extensible dipper stick for backhoe
US4285628A (en) * 1979-09-27 1981-08-25 Du-Al Manufacturing Company, Division Of Core Industries, Inc. Grapple system
US4375345A (en) * 1981-07-23 1983-03-01 J. I. Case Company Clamping arm assembly for a backhoe
US4677772A (en) * 1986-01-09 1987-07-07 Aldo Morelli Excavator with extensible boom
JPH06316947A (en) * 1993-05-05 1994-11-15 Katsunori Tanada Bucket-structure device for multipurpose work

Also Published As

Publication number Publication date
EP1343940A1 (en) 2003-09-17
EP1343940A4 (en) 2009-03-18
CA2400917A1 (en) 2002-02-07
JP4488737B2 (en) 2010-06-23
WO2002010522A1 (en) 2002-02-07
JP2004522883A (en) 2004-07-29

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