JPS5519372A - Hydraulic clamshell operation device - Google Patents

Hydraulic clamshell operation device

Info

Publication number
JPS5519372A
JPS5519372A JP9218078A JP9218078A JPS5519372A JP S5519372 A JPS5519372 A JP S5519372A JP 9218078 A JP9218078 A JP 9218078A JP 9218078 A JP9218078 A JP 9218078A JP S5519372 A JPS5519372 A JP S5519372A
Authority
JP
Japan
Prior art keywords
bucket
open
rope
close
rewind
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
JP9218078A
Other languages
Japanese (ja)
Inventor
Ryutaro Yoritomi
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.)
Individual
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
Application filed by Individual filed Critical Individual
Priority to JP9218078A priority Critical patent/JPS5519372A/en
Priority to CA000330276A priority patent/CA1120076A/en
Priority to FR7916989A priority patent/FR2432069A1/en
Priority to DE19792929463 priority patent/DE2929463C2/en
Publication of JPS5519372A publication Critical patent/JPS5519372A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: A simple-construction, good efficiency device is provided with easy to operate bucket and bucket elevator enabling to open and close bucket by hydraulic cylinder and to wind and rewind open/close rope and hold rope.
CONSTITUTION: Excavator with clamshell bucket 30 is provided with a first and third sheave mechanism 80 of the bucket elevator which can wind or rewind the hold ropes 98a, 98b and open/close rope 99 by the same length along the boom 11. The mechanism provides increased working height, clamshell bucket 30 working depth and dump height as compared with an excavator having equivalent base 10, boom 11, and arm 14.
COPYRIGHT: (C)1980,JPO&Japio
JP9218078A 1978-07-28 1978-07-28 Hydraulic clamshell operation device Pending JPS5519372A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9218078A JPS5519372A (en) 1978-07-28 1978-07-28 Hydraulic clamshell operation device
CA000330276A CA1120076A (en) 1978-07-28 1979-06-21 Excavator with a clamshell bucket having magnified vertical stroke
FR7916989A FR2432069A1 (en) 1978-07-28 1979-06-29 Excavator swivelling grab cable pulleys - are in two systems, with six pulleys and two cables enhancing thrust
DE19792929463 DE2929463C2 (en) 1978-07-28 1979-07-20 Hydraulically operated excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9218078A JPS5519372A (en) 1978-07-28 1978-07-28 Hydraulic clamshell operation device

Publications (1)

Publication Number Publication Date
JPS5519372A true JPS5519372A (en) 1980-02-12

Family

ID=14047229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9218078A Pending JPS5519372A (en) 1978-07-28 1978-07-28 Hydraulic clamshell operation device

Country Status (1)

Country Link
JP (1) JPS5519372A (en)

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