MD1159G2 - Locking device for an access hatch - Google Patents

Locking device for an access hatch

Info

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
Application number
MD97-0094A
Other languages
Romanian (ro)
Russian (ru)
Other versions
MD1159F1 (en
Inventor
Valerii Chiscovici
Eugenii Volosciuc
Original Assignee
Uzina Experimentala A Institutului De Fizica Aplicata Al Academiei De Stiinte A Republicii Moldova
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uzina Experimentala A Institutului De Fizica Aplicata Al Academiei De Stiinte A Republicii Moldova filed Critical Uzina Experimentala A Institutului De Fizica Aplicata Al Academiei De Stiinte A Republicii Moldova
Priority to MD97-0094A priority Critical patent/MD1159G2/en
Publication of MD1159F1 publication Critical patent/MD1159F1/en
Publication of MD1159G2 publication Critical patent/MD1159G2/en

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.
MD97-0094A 1997-03-17 1997-03-17 Locking device for an access hatch MD1159G2 (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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