KR890002884U - 절첩식 사다리용 힌지 - Google Patents
절첩식 사다리용 힌지Info
- Publication number
- KR890002884U KR890002884U KR2019870011325U KR870011325U KR890002884U KR 890002884 U KR890002884 U KR 890002884U KR 2019870011325 U KR2019870011325 U KR 2019870011325U KR 870011325 U KR870011325 U KR 870011325U KR 890002884 U KR890002884 U KR 890002884U
- Authority
- KR
- South Korea
- Prior art keywords
- hinges
- folding ladders
- ladders
- folding
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870011325U KR900009121Y1 (ko) | 1987-07-10 | 1987-07-10 | 절첩식 사다리용 힌지 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870011325U KR900009121Y1 (ko) | 1987-07-10 | 1987-07-10 | 절첩식 사다리용 힌지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890002884U true KR890002884U (ko) | 1989-04-08 |
KR900009121Y1 KR900009121Y1 (ko) | 1990-09-29 |
Family
ID=19265130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870011325U KR900009121Y1 (ko) | 1987-07-10 | 1987-07-10 | 절첩식 사다리용 힌지 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900009121Y1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102371913B1 (ko) * | 2021-07-15 | 2022-03-08 | (주)예스안전 | 보강장치 및 이를 포함하는 사다리 |
-
1987
- 1987-07-10 KR KR2019870011325U patent/KR900009121Y1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR900009121Y1 (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 | ||
NORF | Unpaid initial registration fee |