JPS5519372A - Hydraulic clamshell operation device - Google Patents
Hydraulic clamshell operation deviceInfo
- 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
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
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) |
-
1978
- 1978-07-28 JP JP9218078A patent/JPS5519372A/en active Pending
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