KR860010721U - 오 일 잭 - Google Patents

오 일 잭

Info

Publication number
KR860010721U
KR860010721U KR2019850001530U KR850001530U KR860010721U KR 860010721 U KR860010721 U KR 860010721U KR 2019850001530 U KR2019850001530 U KR 2019850001530U KR 850001530 U KR850001530 U KR 850001530U KR 860010721 U KR860010721 U KR 860010721U
Authority
KR
South Korea
Prior art keywords
oil jack
jack
oil
Prior art date
Application number
KR2019850001530U
Other languages
English (en)
Other versions
KR870003316Y1 (ko
Inventor
이명현
최정식
Original Assignee
동양특수기공 주식회사
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 동양특수기공 주식회사 filed Critical 동양특수기공 주식회사
Priority to KR2019850001530U priority Critical patent/KR870003316Y1/ko
Publication of KR860010721U publication Critical patent/KR860010721U/ko
Application granted granted Critical
Publication of KR870003316Y1 publication Critical patent/KR870003316Y1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/26—Adaptations or arrangements of pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00—Lifting apparatus
    • B66F2700/05—Hydraulic jacks
    • B66F2700/055—Jacks with a single cylinder
    • B66F2700/057—Pistons, e.g. telescopic; Cylinders or sealing joints; Hydraulic travel-limiting devices or shock damping

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
KR2019850001530U 1985-02-14 1985-02-14 오 일 잭 KR870003316Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850001530U KR870003316Y1 (ko) 1985-02-14 1985-02-14 오 일 잭

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850001530U KR870003316Y1 (ko) 1985-02-14 1985-02-14 오 일 잭

Publications (2)

Publication Number Publication Date
KR860010721U true KR860010721U (ko) 1986-09-08
KR870003316Y1 KR870003316Y1 (ko) 1987-10-15

Family

ID=19240046

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850001530U KR870003316Y1 (ko) 1985-02-14 1985-02-14 오 일 잭

Country Status (1)

Country Link
KR (1) KR870003316Y1 (ko)

Also Published As

Publication number Publication date
KR870003316Y1 (ko) 1987-10-15

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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: 19901011

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee