MD1159G2 - Locking device for an access hatch - Google Patents
Locking device for an access hatchInfo
- Publication number
- MD1159G2 MD1159G2 MD97-0094A MD970094A MD1159G2 MD 1159 G2 MD1159 G2 MD 1159G2 MD 970094 A MD970094 A MD 970094A MD 1159 G2 MD1159 G2 MD 1159G2
- Authority
- MD
- Moldova
- Prior art keywords
- disk
- gate valves
- locking device
- grooves
- locking
- Prior art date
Links
Landscapes
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention relates to the construction, particularly to locking devices for hatches of underground telecameras, sewer wells, etc.The locking device comprises two gate valves (1, 2), placed in line, on which there are made guide grooves (3), the gate valves operating mechanism (7) with a turning key, made in the form of a disk (8) with two curvilinear grooves, placed diametrically opposite and eccentrically relative to the disk axle. On the gate valves there are installed pins (6), the ends of which are placed into the disk grooves.The technical result consists in increasing the reliability of locking up the object.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MD97-0094A MD1159G2 (en) | 1997-03-17 | 1997-03-17 | Locking device for an access hatch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MD97-0094A MD1159G2 (en) | 1997-03-17 | 1997-03-17 | Locking device for an access hatch |
Publications (2)
Publication Number | Publication Date |
---|---|
MD1159F1 MD1159F1 (en) | 1999-02-28 |
MD1159G2 true MD1159G2 (en) | 1999-08-31 |
Family
ID=19738991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MD97-0094A MD1159G2 (en) | 1997-03-17 | 1997-03-17 | Locking device for an access hatch |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD1159G2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU973714A1 (en) * | 1981-03-12 | 1982-11-15 | Трест "Московский Водопровод" Ордена Трудового Красного Знамени Управления Водопроводно-Канализационного Хозяйства Мосгорисполкома | Locking of device for inspection hatch |
-
1997
- 1997-03-17 MD MD97-0094A patent/MD1159G2/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU973714A1 (en) * | 1981-03-12 | 1982-11-15 | Трест "Московский Водопровод" Ордена Трудового Красного Знамени Управления Водопроводно-Канализационного Хозяйства Мосгорисполкома | Locking of device for inspection hatch |
Also Published As
Publication number | Publication date |
---|---|
MD1159F1 (en) | 1999-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
IF99 | Valid patent on 19990615 |
Free format text: EXPIRES: 20170317 |