JPS5264744A - Elevator - Google Patents

Elevator

Info

Publication number
JPS5264744A
JPS5264744A JP51138580A JP13858076A JPS5264744A JP S5264744 A JPS5264744 A JP S5264744A JP 51138580 A JP51138580 A JP 51138580A JP 13858076 A JP13858076 A JP 13858076A JP S5264744 A JPS5264744 A JP S5264744A
Authority
JP
Japan
Prior art keywords
elevator
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP51138580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5515390B2 (enExample
Inventor
Marii Eru Miin Jieen
Kei Kurafuto Jiyosefu
Efu Jiyatsukuson Rei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of JPS5264744A publication Critical patent/JPS5264744A/ja
Publication of JPS5515390B2 publication Critical patent/JPS5515390B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Actuator (AREA)
  • Types And Forms Of Lifts (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
JP51138580A 1975-11-20 1976-11-19 Elevator Granted JPS5264744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/633,999 US4041845A (en) 1975-11-20 1975-11-20 Hydraulic elevator apparatus

Publications (2)

Publication Number Publication Date
JPS5264744A true JPS5264744A (en) 1977-05-28
JPS5515390B2 JPS5515390B2 (enExample) 1980-04-23

Family

ID=24542024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51138580A Granted JPS5264744A (en) 1975-11-20 1976-11-19 Elevator

Country Status (3)

Country Link
US (1) US4041845A (enExample)
JP (1) JPS5264744A (enExample)
CA (1) CA1040552A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212504A (ja) * 1983-05-19 1984-12-01 Toshiba Corp 油圧エレベ−タの油圧装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH654634A5 (de) * 1981-12-14 1986-02-28 Inventio Ag Daempfender anschlag in hydraulik-heber.
US4841846A (en) * 1986-02-24 1989-06-27 Grambling William D Pneumatic actuators with liquid seals for oil and gas well swabs
US4735291A (en) * 1986-12-11 1988-04-05 Westinghouse Electric Corp. Hydraulic jack assembly for a hydraulic elevator
US4867460A (en) * 1987-12-31 1989-09-19 Westinghouse Electric Corp. Hydraulic jack seal assembly
US5810118A (en) * 1995-08-30 1998-09-22 Blain; Roy W. Elevator position lock
SG75168A1 (en) * 1998-05-08 2000-09-19 Inventio Ag Hydraulic elevator
US6704963B1 (en) * 2002-11-13 2004-03-16 Dew Engineering And Development Limited Failsafe support for height adjustable passenger loading bridges
US20070080501A1 (en) * 2005-09-16 2007-04-12 Bal Seal Engineering Co., Inc. Pressure gradient rotary sealing system
US20080067754A1 (en) * 2006-09-14 2008-03-20 John Schroeder Pressure gradient rotary sealing system with external piston
NO20075970A (no) * 2007-11-20 2008-12-15 Ottestad Breathing Syst As Trykkavfølende element
EP2495208A1 (en) 2011-03-01 2012-09-05 BC Lift A/S Lift system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US531792A (en) * 1895-01-01 Elevator apparatus
US559526A (en) * 1896-05-05 Hydraulic elevator
US244092A (en) * 1881-07-12 Hydraulic elevator
US564620A (en) * 1896-07-28 Hydraulic-elevator apparatus
US1081690A (en) * 1905-06-07 1913-12-16 Otis Elevator Co Automatic plunger-elevator.
US963905A (en) * 1909-12-16 1910-07-12 Fred A Jones Plunger hydraulic elevator.
US1831136A (en) * 1929-08-26 1931-11-10 California Bank Shock absorbing device for aeroplanes
GB469473A (en) * 1935-11-23 1937-07-23 Fritz Faudi Improvements in shock-absorbing struts for aircraft undercarriages
US2998288A (en) * 1959-12-30 1961-08-29 Clark Equipment Co Piston
US3067726A (en) * 1961-02-27 1962-12-11 Int Basic Economy Corp Cushioning structure for fluid power cylinders
US3267815A (en) * 1965-10-21 1966-08-23 Ortman Miller Machine Company Cushioning structure for power cylinders
FR2220700B1 (enExample) * 1973-03-08 1976-09-10 Poclain Sa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212504A (ja) * 1983-05-19 1984-12-01 Toshiba Corp 油圧エレベ−タの油圧装置

Also Published As

Publication number Publication date
US4041845A (en) 1977-08-16
JPS5515390B2 (enExample) 1980-04-23
CA1040552A (en) 1978-10-17

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