JPS557328A - Ditch-digger - Google Patents
Ditch-diggerInfo
- Publication number
- JPS557328A JPS557328A JP7981878A JP7981878A JPS557328A JP S557328 A JPS557328 A JP S557328A JP 7981878 A JP7981878 A JP 7981878A JP 7981878 A JP7981878 A JP 7981878A JP S557328 A JPS557328 A JP S557328A
- Authority
- JP
- Japan
- Prior art keywords
- ditch
- screw
- strip
- shaped
- digger
- 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: To provide a ditch-digger for having less trouble and high productivity.
CONSTITUTION: A screw-shaped guide strip 2 is attached in the direction toward a base end from a point part at the outside of a cylinder or a pole proper 1a. A screw- shaped ditch digging unit 3, which is composed of the screw-shaped strip 2 and digging- claws 9 being located at given intervals on the strip 2 and projecting toward an adjacent screw-shaped strip 2, is rotated to dig a ditch 10.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7981878A JPS557328A (en) | 1978-07-03 | 1978-07-03 | Ditch-digger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7981878A JPS557328A (en) | 1978-07-03 | 1978-07-03 | Ditch-digger |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS557328A true JPS557328A (en) | 1980-01-19 |
Family
ID=13700777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7981878A Pending JPS557328A (en) | 1978-07-03 | 1978-07-03 | Ditch-digger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS557328A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187434A (en) * | 1981-05-15 | 1982-11-18 | Kobashi Kogyo Kk | Trench excavator |
-
1978
- 1978-07-03 JP JP7981878A patent/JPS557328A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187434A (en) * | 1981-05-15 | 1982-11-18 | Kobashi Kogyo Kk | Trench excavator |
JPH0138930B2 (en) * | 1981-05-15 | 1989-08-17 | Kobashi Kogyo Kk |
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