ATE69435T1 - HYDRAULIC LIFT. - Google Patents

HYDRAULIC LIFT.

Info

Publication number
ATE69435T1
ATE69435T1 AT88113287T AT88113287T ATE69435T1 AT E69435 T1 ATE69435 T1 AT E69435T1 AT 88113287 T AT88113287 T AT 88113287T AT 88113287 T AT88113287 T AT 88113287T AT E69435 T1 ATE69435 T1 AT E69435T1
Authority
AT
Austria
Prior art keywords
piston
car
guide
guide rail
shaft
Prior art date
Application number
AT88113287T
Other languages
German (de)
Inventor
Antonio Lorenzo
Original Assignee
Inventio Ag
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 Inventio Ag filed Critical Inventio Ag
Application granted granted Critical
Publication of ATE69435T1 publication Critical patent/ATE69435T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Reciprocating Pumps (AREA)
  • Elevator Control (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

This hydraulic elevator has a synchronous telescopic lifter (4) which is arranged laterally next to a car (11) guided in a shaft (1) and is held on the shaft bottom (2). The head piece (6.1) of the first piston (6) of the telescopic lifter (4) is connected to the top part (12.1) of a car frame (12) of the car (11). A piston guide (14) arranged on the head piece (7.1) of the second piston (7) is guided in a sliding manner in a guide rail (13) fastened to the car (11) in the direction of movement of the car (11). Due to the different distances covered in the same unit of time by the car (11) with the guide rail (13) and the piston guide (14), a relative displacement corresponding to the extension travel of the first piston (6) is obtained between the piston guide (14) and the guide rail (13), during which relative displacement the piston guide (14) slides on the guide rail. The relative speed of the piston guide (14) is here always less than the velocity of motion of the piston guide (14). The guide rail (13) can be attached to the car (11) during assembly at the works independently of the shaft. <IMAGE>
AT88113287T 1987-11-06 1988-08-17 HYDRAULIC LIFT. ATE69435T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH433987 1987-11-06
EP88113287A EP0314885B1 (en) 1987-11-06 1988-08-17 Hydraulic elevator

Publications (1)

Publication Number Publication Date
ATE69435T1 true ATE69435T1 (en) 1991-11-15

Family

ID=4274250

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88113287T ATE69435T1 (en) 1987-11-06 1988-08-17 HYDRAULIC LIFT.

Country Status (4)

Country Link
EP (1) EP0314885B1 (en)
AT (1) ATE69435T1 (en)
DE (1) DE3866216D1 (en)
ES (1) ES2028212T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6382080B1 (en) 1997-06-04 2002-05-07 Inventio Ag Apparatus for synchronization of telescopic rams in hydraulic elevators
EP0882895A1 (en) * 1997-06-04 1998-12-09 Inventio Ag Device for synchronising telescopic actuators for hydraulic elevators
CN103626010B (en) * 2013-11-13 2017-01-18 吴家集 Elevator driven by multi-stage cylinder body
US10017358B2 (en) * 2014-06-10 2018-07-10 Thyssenkrupp Elevator Corporation Hydraulic elevator system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT272010B (en) * 1964-08-25 1969-06-25 Alois Dipl Ing Loedige Long-stroke, essentially vertically displaceable, kink-sensitive push rod for elevators and the like.
DE2029367A1 (en) * 1970-06-15 1971-12-23 Klingenburg O Hydraulic elevator
GB1496878A (en) * 1973-11-01 1978-01-05 Becker Equipment & Lifts Ltd Hydraulic lift mechanism

Also Published As

Publication number Publication date
EP0314885B1 (en) 1991-11-13
DE3866216D1 (en) 1991-12-19
ES2028212T3 (en) 1992-07-01
EP0314885A1 (en) 1989-05-10

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee