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SU528256A1 - Hydraulic jack - Google Patents

Hydraulic jack

Info

Publication number
SU528256A1
SU528256A1 SU2004779A SU2004779A SU528256A1 SU 528256 A1 SU528256 A1 SU 528256A1 SU 2004779 A SU2004779 A SU 2004779A SU 2004779 A SU2004779 A SU 2004779A SU 528256 A1 SU528256 A1 SU 528256A1
Authority
SU
USSR - Soviet Union
Prior art keywords
hydraulic jack
plunger
housing
jack
plungers
Prior art date
Application number
SU2004779A
Other languages
Russian (ru)
Inventor
Константин Николаевич Данилевский
Борис Эммануилович Дворкин
Владимир Тимофеевич Михайлов
Original Assignee
Государственный Ордена Трудового Красного Знамени Проектно-Изыскательский Институт По Проектированию Больших Мостов "Гипротрансмост"
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 Государственный Ордена Трудового Красного Знамени Проектно-Изыскательский Институт По Проектированию Больших Мостов "Гипротрансмост" filed Critical Государственный Ордена Трудового Красного Знамени Проектно-Изыскательский Институт По Проектированию Больших Мостов "Гипротрансмост"
Priority to SU2004779A priority Critical patent/SU528256A1/en
Application granted granted Critical
Publication of SU528256A1 publication Critical patent/SU528256A1/en

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  • Types And Forms Of Lifts (AREA)

Claims (1)

Формула изобретени Invention Formula Гидродомкрат, содержащий корпус со смонтированными в нем телескопическими плунжерами , отличающийс  тем, что, с целью уменьщени  габаритов и веса домкрата, а также упрощени  технологии его изготовлени , корпус выполнен в виде трубы, па торцах которой закреплены направл ющие втулки с уплотнител ми , взаимодействующие с плунжерами , причем внутренние концы последних выполнены с радиальными отверсти ми и буртиками , а плунжер больщего диаметра с внутренней стороны выполнен с проточкой, образующей зазор с направл ющей втулкой плунжера меньшего диаметра.A hydraulic jack comprising a housing with telescopic plungers mounted therein, characterized in that, in order to reduce the size and weight of the jack, as well as to simplify its manufacturing technology, the housing is designed in the form of a pipe, the ends of which are fitted with guide bushings with gaskets that interact with the plungers, the inner ends of the latter are made with radial holes and shoulders, and the plunger of a larger diameter is made on the inner side with a groove forming a gap with the guide sleeve of the plunger enshego diameter. fm.lfm.l
SU2004779A 1974-03-06 1974-03-06 Hydraulic jack SU528256A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2004779A SU528256A1 (en) 1974-03-06 1974-03-06 Hydraulic jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2004779A SU528256A1 (en) 1974-03-06 1974-03-06 Hydraulic jack

Publications (1)

Publication Number Publication Date
SU528256A1 true SU528256A1 (en) 1976-09-15

Family

ID=20578454

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2004779A SU528256A1 (en) 1974-03-06 1974-03-06 Hydraulic jack

Country Status (1)

Country Link
SU (1) SU528256A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000824A1 (en) * 1978-10-23 1980-05-01 Caterpillar Tractor Co Track adjuster and guard
US4991493A (en) * 1987-05-18 1991-02-12 Luojus Matti N Cylinder with two concentric pistons actuated by a pressure medium and extending to three times the length of the cylinder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000824A1 (en) * 1978-10-23 1980-05-01 Caterpillar Tractor Co Track adjuster and guard
US4283093A (en) * 1978-10-23 1981-08-11 Caterpillar Tractor Co. Track adjuster and guard
US4991493A (en) * 1987-05-18 1991-02-12 Luojus Matti N Cylinder with two concentric pistons actuated by a pressure medium and extending to three times the length of the cylinder

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