FR1466595A - Hydraulic shock absorber, in particular for closing automatic doors - Google Patents

Hydraulic shock absorber, in particular for closing automatic doors

Info

Publication number
FR1466595A
FR1466595A FR42394A FR42394A FR1466595A FR 1466595 A FR1466595 A FR 1466595A FR 42394 A FR42394 A FR 42394A FR 42394 A FR42394 A FR 42394A FR 1466595 A FR1466595 A FR 1466595A
Authority
FR
France
Prior art keywords
shock absorber
hydraulic shock
automatic doors
closing automatic
closing
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.)
Expired
Application number
FR42394A
Other languages
French (fr)
Inventor
Ferdinand Schenk
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 filed Critical
Application granted granted Critical
Publication of FR1466595A publication Critical patent/FR1466595A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
FR42394A 1964-12-16 1965-12-15 Hydraulic shock absorber, in particular for closing automatic doors Expired FR1466595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1630064A CH427418A (en) 1964-12-16 1964-12-16 Hydraulic shock absorber

Publications (1)

Publication Number Publication Date
FR1466595A true FR1466595A (en) 1967-01-20

Family

ID=4416116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42394A Expired FR1466595A (en) 1964-12-16 1965-12-15 Hydraulic shock absorber, in particular for closing automatic doors

Country Status (6)

Country Link
AT (1) AT266644B (en)
BE (1) BE673859A (en)
CH (1) CH427418A (en)
DE (1) DE1269841B (en)
FR (1) FR1466595A (en)
GB (1) GB1124357A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284177A (en) * 1979-05-14 1981-08-18 Efdyn Corporation Self-adjusting shock absorber having staged metering
DE4243645A1 (en) * 1992-12-23 1994-06-30 Dorma Gmbh & Co Kg Spring twist compensation for vehicle door closer
CN201021704Y (en) * 2004-09-17 2008-02-13 尤利乌斯·布卢姆有限公司 Flow damper
DE102012212684B3 (en) * 2012-07-19 2013-11-28 Zf Friedrichshafen Ag Vibration damper, has auxiliary piston and main piston fitted with damping valves, where damping force generated by auxiliary piston through its entire stroke is always greater than damping force of main piston at same stroke speed
CN106523574B (en) * 2016-10-13 2018-04-13 湖南大学 A kind of multi-state damping adaptive hydro-pneumatic spring and its control method
US10612617B2 (en) * 2018-01-02 2020-04-07 Goodrich Corporation Shock strut percolation
CN111288109B (en) * 2020-03-25 2021-11-09 东风小康汽车有限公司重庆分公司 Damping piston assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224306A (en) * 1939-11-02 1940-12-10 Cleveland Pneumatic Tool Co Shock absorbing device
DE869717C (en) * 1951-02-08 1953-03-05 Hemscheidt Maschf Hermann Connection between piston body and piston skirt, especially for hydraulic telescopic vibration dampers
NL96246C (en) * 1954-04-16

Also Published As

Publication number Publication date
DE1269841B (en) 1968-06-06
CH427418A (en) 1966-12-31
AT266644B (en) 1968-11-25
GB1124357A (en) 1968-08-21
BE673859A (en) 1966-06-16

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