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JPS56146525A - Trench excavator - Google Patents

Trench excavator

Info

Publication number
JPS56146525A
JPS56146525A JP4776680A JP4776680A JPS56146525A JP S56146525 A JPS56146525 A JP S56146525A JP 4776680 A JP4776680 A JP 4776680A JP 4776680 A JP4776680 A JP 4776680A JP S56146525 A JPS56146525 A JP S56146525A
Authority
JP
Japan
Prior art keywords
trench
screw
excavating section
excavator
tractor
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
JP4776680A
Other languages
Japanese (ja)
Inventor
Yoshihiro Yamashiro
Toshiji Shimamoto
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.)
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
Original Assignee
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co 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
Application filed by Iseki and Co Ltd, Iseki Agricultural Machinery Mfg Co Ltd filed Critical Iseki and Co Ltd
Priority to JP4776680A priority Critical patent/JPS56146525A/en
Publication of JPS56146525A publication Critical patent/JPS56146525A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce a forward resistance with a hole made prior to the excavation by mounting a drilling unit on the lower end of an oscillating arm oscillating longitudinally at the rear position in a screw trench excavator in such a manner as to project from a screw excavator.
CONSTITUTION: Power is transmitted to a power intake shaft 6 through a universal joint 18 from a PTO shaft of a tractor 1 to drive rotary parts turning a lift arm downward. A trench is excavated with a screw excavating section 8 reaching a specified depth. After the lift arm is fixed to retain the trench at the specified depth, as the tractor 1 advances, earth excavated is carried upward sequentially with the screw excavating section 8 being gathered and guided with a earth gathering plate 9. When a drilling body 13 for digging the trench moves forward, it projects from the screw excavating section 8 and excavates at the lower end of the trench preceding the screw excavating section 8.
COPYRIGHT: (C)1981,JPO&Japio
JP4776680A 1980-04-11 1980-04-11 Trench excavator Pending JPS56146525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4776680A JPS56146525A (en) 1980-04-11 1980-04-11 Trench excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4776680A JPS56146525A (en) 1980-04-11 1980-04-11 Trench excavator

Publications (1)

Publication Number Publication Date
JPS56146525A true JPS56146525A (en) 1981-11-14

Family

ID=12784485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4776680A Pending JPS56146525A (en) 1980-04-11 1980-04-11 Trench excavator

Country Status (1)

Country Link
JP (1) JPS56146525A (en)

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