JPS5457730A - Structure of crawler - Google Patents
Structure of crawlerInfo
- Publication number
- JPS5457730A JPS5457730A JP12486377A JP12486377A JPS5457730A JP S5457730 A JPS5457730 A JP S5457730A JP 12486377 A JP12486377 A JP 12486377A JP 12486377 A JP12486377 A JP 12486377A JP S5457730 A JPS5457730 A JP S5457730A
- Authority
- JP
- Japan
- Prior art keywords
- earthing portion
- earthing
- soft
- easily change
- over
- 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
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
PURPOSE: To easily change over a travelling form, by allowing the projection and withdrawal of an earthing portion material to an earthing portion of a crawler.
CONSTITUTION: This device is aranged in such a manner that a soft earthing portion material 12 is installed over a pair of shoe links 7 of a shoe plate 6 in metal in a slide-possible and fixed position variation-free shape all the time, and said soft earthing portion material 12 can be changed over to a projecting condition and a withdrawing condition to the earthing portion 16 through an opening portion 13 of the shoe plate 6 by varing the location. Above-mentioned arrangement can easily change over a travelling form
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12486377A JPS5457730A (en) | 1977-10-17 | 1977-10-17 | Structure of crawler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12486377A JPS5457730A (en) | 1977-10-17 | 1977-10-17 | Structure of crawler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5457730A true JPS5457730A (en) | 1979-05-09 |
Family
ID=14895954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12486377A Pending JPS5457730A (en) | 1977-10-17 | 1977-10-17 | Structure of crawler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5457730A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991004186A1 (en) * | 1989-09-20 | 1991-04-04 | Joseph Berto | Cleat for snowmobiles and the like |
-
1977
- 1977-10-17 JP JP12486377A patent/JPS5457730A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991004186A1 (en) * | 1989-09-20 | 1991-04-04 | Joseph Berto | Cleat for snowmobiles and the like |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5457730A (en) | Structure of crawler | |
JPS53142769A (en) | Inserting device of bar-like portion material | |
JPS5384750A (en) | Orientation method of liquid crystal panel | |
JPS5228868A (en) | Semiconductor device | |
JPS521851A (en) | Travelling apparatus | |
JPS51139799A (en) | Liquid crystal display device | |
JPS54575A (en) | Semiconductoe device | |
JPS5349971A (en) | Wiring route deciding device | |
JPS5324231A (en) | Display device | |
JPS53141241A (en) | N-p-aminobenzyl-n'-p-aminophenylurea and process for its preparation | |
JPS53114492A (en) | Micro-segregation analysis of sulfup containing in minute amount in steel | |
JPS5231662A (en) | Cleavage method of crystal thin plate | |
JPS5368328A (en) | Electron advance device | |
JPS5424574A (en) | Manufacture for semiconductor device | |
JPS53126454A (en) | Thrust bearing device | |
JPS53149071A (en) | Approximate display mechanism for watch | |
JPS5386903A (en) | Movable vane coupling device | |
JPS51147299A (en) | Figure display device | |
JPS53104892A (en) | Subnarine cable burying machine | |
JPS5368478A (en) | Apparatus for automatically inserting resilient plate material | |
JPS5399669A (en) | Washing apparatus | |
JPS53101637A (en) | Switchboard embedded meter box | |
JPS53146452A (en) | Sound insulating device at opening part of structure | |
JPS5271017A (en) | Garbage forcing device for garbage car | |
JPS52104339A (en) | Device for hanging door |