KR890010840U - 절첩식 사다리용 경첩 - Google Patents
절첩식 사다리용 경첩Info
- Publication number
- KR890010840U KR890010840U KR2019870019274U KR870019274U KR890010840U KR 890010840 U KR890010840 U KR 890010840U KR 2019870019274 U KR2019870019274 U KR 2019870019274U KR 870019274 U KR870019274 U KR 870019274U KR 890010840 U KR890010840 U KR 890010840U
- 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
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870019274U KR910000303Y1 (ko) | 1987-11-07 | 1987-11-07 | 절첩식 사다리용 경첩 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870019274U KR910000303Y1 (ko) | 1987-11-07 | 1987-11-07 | 절첩식 사다리용 경첩 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890010840U true KR890010840U (ko) | 1989-07-11 |
KR910000303Y1 KR910000303Y1 (ko) | 1991-01-18 |
Family
ID=19269261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870019274U KR910000303Y1 (ko) | 1987-11-07 | 1987-11-07 | 절첩식 사다리용 경첩 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910000303Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3581755A1 (en) | 2018-06-14 | 2019-12-18 | Kang-Shuo Yeh | Ladder hinge with dual lock-pins |
-
1987
- 1987-11-07 KR KR2019870019274U patent/KR910000303Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3581755A1 (en) | 2018-06-14 | 2019-12-18 | Kang-Shuo Yeh | Ladder hinge with dual lock-pins |
Also Published As
Publication number | Publication date |
---|---|
KR910000303Y1 (ko) | 1991-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19980116 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |