AU459719B2 - Improvements in or relating to excavating devices - Google Patents

Improvements in or relating to excavating devices

Info

Publication number
AU459719B2
AU459719B2 AU56302/73A AU5630273A AU459719B2 AU 459719 B2 AU459719 B2 AU 459719B2 AU 56302/73 A AU56302/73 A AU 56302/73A AU 5630273 A AU5630273 A AU 5630273A AU 459719 B2 AU459719 B2 AU 459719B2
Authority
AU
Australia
Prior art keywords
relating
excavating devices
excavating
devices
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.)
Expired
Application number
AU56302/73A
Other versions
AU5630273A (en
Inventor
Marshall Lochrie Leonard
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.)
BTR Industries Ltd
Original Assignee
BTR Industries Ltd
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 to US345355A priority Critical patent/US3864852A/en
Application filed by BTR Industries Ltd filed Critical BTR Industries Ltd
Priority to AU56302/73A priority patent/AU459719B2/en
Publication of AU5630273A publication Critical patent/AU5630273A/en
Application granted granted Critical
Publication of AU459719B2 publication Critical patent/AU459719B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
    • 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
    • E02F3/405—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 using vibrating means
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/221—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for generating actuator vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
AU56302/73A 1973-03-27 1973-05-30 Improvements in or relating to excavating devices Expired AU459719B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US345355A US3864852A (en) 1973-03-27 1973-03-27 Hydraulic oscillator for digging bucket teeth
AU56302/73A AU459719B2 (en) 1973-03-27 1973-05-30 Improvements in or relating to excavating devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US345355A US3864852A (en) 1973-03-27 1973-03-27 Hydraulic oscillator for digging bucket teeth
AU56302/73A AU459719B2 (en) 1973-03-27 1973-05-30 Improvements in or relating to excavating devices

Publications (2)

Publication Number Publication Date
AU5630273A AU5630273A (en) 1974-12-05
AU459719B2 true AU459719B2 (en) 1975-04-10

Family

ID=25631239

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56302/73A Expired AU459719B2 (en) 1973-03-27 1973-05-30 Improvements in or relating to excavating devices

Country Status (2)

Country Link
US (1) US3864852A (en)
AU (1) AU459719B2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542305C3 (en) * 1974-09-30 1981-12-17 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Soil excavation device
USRE30154E (en) * 1976-09-02 1979-11-20 Bose Corporation Joining
JPS60241828A (en) * 1984-05-15 1985-11-30 双葉興業有限会社 Tree transplantation apparatus
US4625438A (en) * 1985-09-20 1986-12-02 Mozer Daniel S Excavating bucket having power driven, individually controlled digging teeth
US4825960A (en) * 1988-06-30 1989-05-02 Molex Incorporated Synchronized hydraulic hammer arrangement
GB9005029D0 (en) * 1990-03-06 1990-05-02 Forster Glyn Improvements relating to excavating apparatus
CN2063956U (en) * 1990-04-04 1990-10-17 广西玉林柴油机厂 Universal miniature hydraulic excavator
FR2817574B1 (en) * 2000-12-04 2003-10-10 Faucheux Ind Soc FRONT LOADER FOR CARRIER
FI115957B (en) * 2001-11-07 2005-08-31 Sandvik Tamrock Oy Double piston impactor
US7891121B2 (en) * 2007-06-19 2011-02-22 Doug Smoljo Earthworking implement
US11492776B1 (en) * 2020-03-17 2022-11-08 Ralph Antonelli Excavator bucket with retractable teeth

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095287A (en) * 1935-06-13 1937-10-12 Worthington Pump & Mach Corp Steam valve gear
US2386184A (en) * 1940-11-28 1945-10-09 Landis Tool Co Hydraulic control device
US2431570A (en) * 1943-12-27 1947-11-25 Marion E Landon Expansible chamber motor with fluid actuated pilot controlled distributing valve
US2803110A (en) * 1953-06-11 1957-08-20 Keelavite Co Ltd Hydraulic power drive for reciprocating members
US3084817A (en) * 1957-09-24 1963-04-09 Ford Motor Co Oscillatory digger
US3145488A (en) * 1962-12-26 1964-08-25 Deere & Co Vibrating bucket

Also Published As

Publication number Publication date
US3864852A (en) 1975-02-11
AU5630273A (en) 1974-12-05

Similar Documents

Publication Publication Date Title
AU472277B2 (en) Improvements in or relating to planar transmission line structures
AU459719B2 (en) Improvements in or relating to excavating devices
AU477109B2 (en) Improvements in or relating to hydraulically operated devices
AU490685B2 (en) Improvements in or relating to connectors
AU483911B2 (en) Improvements in or relating to display devices
AU455280B2 (en) Improvements in or relating to weigh devices
AU490762B2 (en) Improvements in or relating to frequency-changer structures
AU487142B2 (en) Improvements in or relating to bags
AU488278B2 (en) Improvements in or relating to current-measuring devices
AU467270B2 (en) Improvements in or relating to ozonisers
AU487517B2 (en) Improvements in or relating to razorblades
AU474818B2 (en) Improvements in or relating to carburetters
AU7260174A (en) Improvements in or relating to frequency-changer structures
AU488879B2 (en) Improvements in or relating to fastening devices
AU480637B2 (en) Improvements in or relating to locking devices
AU7614174A (en) Improvements in or relating to current-measuring devices
AU489638B2 (en) Improvements in or relating to diffusion devices
AU492286B2 (en) Improvements in or relating to buildings
AU485725B2 (en) Improvements in or relating to antitheft devices
AU481609B2 (en) Improvements in or relating to display devices
AU6979574A (en) Improvements in or relating to razorblades
AU486903B2 (en) Improvements in or relating to cephalospirin compounds
AU7059674A (en) Improvements in or relating to fastening devices
AU489684B2 (en) Improvements in or relating to tourniquet devices
AU488106B2 (en) Improvements in or relating to junction units