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FI911451A0 - The piston-cylinder device - Google Patents

The piston-cylinder device

Info

Publication number
FI911451A0
FI911451A0 FI911451A FI911451A FI911451A0 FI 911451 A0 FI911451 A0 FI 911451A0 FI 911451 A FI911451 A FI 911451A FI 911451 A FI911451 A FI 911451A FI 911451 A0 FI911451 A0 FI 911451A0
Authority
FI
Finland
Prior art keywords
piston
cylinder device
stop rings
lying
actuator
Prior art date
Application number
FI911451A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI911451L (en
FI92348B (en
FI92348C (en
Inventor
Walter Neumeister
Original Assignee
Walter Neumeister
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 Walter Neumeister filed Critical Walter Neumeister
Publication of FI911451A0 publication Critical patent/FI911451A0/en
Publication of FI911451L publication Critical patent/FI911451L/en
Publication of FI92348B publication Critical patent/FI92348B/en
Application granted granted Critical
Publication of FI92348C publication Critical patent/FI92348C/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Eye Examination Apparatus (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

To limit the extension of its displaceable parts, in particular the telescopic tubes (14, 15) and the piston (16), the actuator has conventional stop rings (23, 28) of round spring steel. Intermediate stop rings (35) lying between them in the stop position are provided in order to reduce the radial forces. <IMAGE>
FI911451A 1990-04-06 1991-03-26 Piston-cylinder assembly FI92348C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4011119A DE4011119A1 (en) 1990-04-06 1990-04-06 PISTON CYLINDER AGGREGATE
DE4011119 1990-04-06

Publications (4)

Publication Number Publication Date
FI911451A0 true FI911451A0 (en) 1991-03-26
FI911451L FI911451L (en) 1991-10-07
FI92348B FI92348B (en) 1994-07-15
FI92348C FI92348C (en) 1994-10-25

Family

ID=6403880

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911451A FI92348C (en) 1990-04-06 1991-03-26 Piston-cylinder assembly

Country Status (7)

Country Link
EP (1) EP0450501B1 (en)
AT (1) ATE89650T1 (en)
CZ (1) CZ282174B6 (en)
DE (2) DE4011119A1 (en)
DK (1) DK0450501T3 (en)
ES (1) ES2042320T3 (en)
FI (1) FI92348C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2834318B1 (en) * 2002-01-03 2004-10-29 Gerard Leray TELESCOPIC CYLINDER
EP1947351A1 (en) * 2007-01-17 2008-07-23 Carl Freudenberg KG Hydraulic cylinder assembly
EP2466156A1 (en) * 2010-12-16 2012-06-20 Hyva Holding BV Telescopic hydraulic cylinder
EP2584203A1 (en) * 2011-10-20 2013-04-24 Hyva Holding BV A telescopic hydraulic cylinder
GB2511745B (en) * 2013-03-11 2017-05-03 Jonic Eng Ltd Telescopic hydraulic piston arrangement
EP3786462A1 (en) * 2019-09-02 2021-03-03 Hyva Holding BV A telescopic cylinder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB812313A (en) * 1956-04-18 1959-04-22 Bendix Aviat Corp Fluid pressure motor
GB1001045A (en) * 1962-03-02 1965-08-11 Heinz Teves Improvements in or relating to piston and cylinder devices
DE2004117A1 (en) * 1969-02-14 1970-09-03 Nummi Oy Arrangement on a telescopic cylinder
DE1907689C2 (en) * 1969-02-15 1971-02-18 Otto Neumeister Single or multi-stage hydraulic cylinder with anti-twist protection
FR2290613A2 (en) * 1974-11-08 1976-06-04 Protomatic Drawn tubes for telescopic jacks - have guide rings inserted avoiding machine finishing of tube interior
FR2308028A1 (en) * 1975-04-14 1976-11-12 Luchaire Sa Piston lubrication for pneumatic cylinders - has symmetrical lubrication thrust pads with piston channels
GB1590773A (en) * 1976-08-20 1981-06-10 Telehoist Ltd Telescoping mechanisms
FR2484031A1 (en) * 1980-06-05 1981-12-11 Leray Jules TELESCOPIC VERIN
FR2505943A1 (en) * 1981-02-10 1982-11-19 Faucheux Removable end of travel stop for piston - consists of balls dropped through hole in cylinder to engage groove in piston and which act against ridge
DE3320464A1 (en) * 1983-06-07 1984-12-13 Otto 7106 Neuenstadt Neumeister Single- or multi-stage hydraulic cylinder

Also Published As

Publication number Publication date
EP0450501A1 (en) 1991-10-09
DE4011119A1 (en) 1991-10-10
DE59100116D1 (en) 1993-06-24
FI911451L (en) 1991-10-07
DK0450501T3 (en) 1993-11-08
FI92348B (en) 1994-07-15
CS9100942A2 (en) 1991-11-12
ES2042320T3 (en) 1993-12-01
ATE89650T1 (en) 1993-06-15
CZ282174B6 (en) 1997-05-14
FI92348C (en) 1994-10-25
EP0450501B1 (en) 1993-05-19

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Legal Events

Date Code Title Description
BB Publication of examined application