KR880022038U - 작업용 사다리 - Google Patents
작업용 사다리Info
- Publication number
- KR880022038U KR880022038U KR2019870006957U KR870006957U KR880022038U KR 880022038 U KR880022038 U KR 880022038U KR 2019870006957 U KR2019870006957 U KR 2019870006957U KR 870006957 U KR870006957 U KR 870006957U KR 880022038 U KR880022038 U KR 880022038U
- Authority
- KR
- South Korea
- Prior art keywords
- work ladder
- ladder
- work
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
- E06C7/083—Bracket type connection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870006957U KR900009118Y1 (ko) | 1987-05-07 | 1987-05-07 | 작업용 사다리 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870006957U KR900009118Y1 (ko) | 1987-05-07 | 1987-05-07 | 작업용 사다리 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880022038U true KR880022038U (ko) | 1988-12-26 |
KR900009118Y1 KR900009118Y1 (ko) | 1990-09-29 |
Family
ID=19262624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870006957U KR900009118Y1 (ko) | 1987-05-07 | 1987-05-07 | 작업용 사다리 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900009118Y1 (ko) |
-
1987
- 1987-05-07 KR KR2019870006957U patent/KR900009118Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900009118Y1 (ko) | 1990-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19980924 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |