KR970005729Y1 - 굴착기의 완충장치 - Google Patents
굴착기의 완충장치 Download PDFInfo
- Publication number
- KR970005729Y1 KR970005729Y1 KR2019930015282U KR930015282U KR970005729Y1 KR 970005729 Y1 KR970005729 Y1 KR 970005729Y1 KR 2019930015282 U KR2019930015282 U KR 2019930015282U KR 930015282 U KR930015282 U KR 930015282U KR 970005729 Y1 KR970005729 Y1 KR 970005729Y1
- Authority
- KR
- South Korea
- Prior art keywords
- piston
- screw shaft
- excavator
- cylinder
- shock absorber
- 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.)
- Expired - Lifetime
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims (1)
- 스크류축(1)의 하단에 다운햄머(2)를 장착한 통상의 굴착장치에 있어서 다운햄머(2)가 삽입되는 조인트(3)의 상면에 핀공(4)을 유격(S) 있게 횡으로 요설한 피스톤(5)을 설치하고 이를 스크류축(1)에 삽입되는 연결부(6)를 연설시킨 실린더(7)의 삽지공(8)에 유삽하여 삽지공(8)의 내벽에 횡으로 요설한 핀공(9)과 피스톤(5)의 핀공(4)속으로 핀(10)을 까워 연결하되 피스톤(5)의 상면과 실린더(7)의 내부 사이에 완충고무(11)를 끼워 충진함을 특징으로 하는 굴착기의 완충장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019930015282U KR970005729Y1 (ko) | 1993-08-10 | 1993-08-10 | 굴착기의 완충장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019930015282U KR970005729Y1 (ko) | 1993-08-10 | 1993-08-10 | 굴착기의 완충장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950006512U KR950006512U (ko) | 1995-03-21 |
KR970005729Y1 true KR970005729Y1 (ko) | 1997-06-11 |
Family
ID=19360881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019930015282U Expired - Lifetime KR970005729Y1 (ko) | 1993-08-10 | 1993-08-10 | 굴착기의 완충장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970005729Y1 (ko) |
-
1993
- 1993-08-10 KR KR2019930015282U patent/KR970005729Y1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR950006512U (ko) | 1995-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19930810 |
|
UA0201 | Request for examination |
Patent event date: 19930810 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19970519 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19970923 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19971201 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19971126 |
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UR1001 | Payment of annual fee |
Payment date: 20000609 Start annual number: 4 End annual number: 4 |
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UR1001 | Payment of annual fee |
Payment date: 20010609 Start annual number: 5 End annual number: 5 |
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UR1001 | Payment of annual fee |
Payment date: 20020611 Start annual number: 6 End annual number: 6 |
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UR1001 | Payment of annual fee |
Payment date: 20030611 Start annual number: 7 End annual number: 7 |
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UR1001 | Payment of annual fee |
Payment date: 20040614 Start annual number: 8 End annual number: 8 |
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UR1001 | Payment of annual fee |
Payment date: 20050610 Start annual number: 9 End annual number: 9 |
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UR1001 | Payment of annual fee |
Payment date: 20070330 Start annual number: 10 End annual number: 10 |
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FPAY | Annual fee payment |
Payment date: 20071126 Year of fee payment: 11 |
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UR1001 | Payment of annual fee |
Payment date: 20071126 Start annual number: 11 End annual number: 11 |
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EXPY | Expiration of term | ||
UC1801 | Expiration of term |
Termination category: Expiration of duration Termination date: 20090509 |