EP0385180A3 - Safety brake for a lift or the like - Google Patents

Safety brake for a lift or the like Download PDF

Info

Publication number
EP0385180A3
EP0385180A3 EP19900102841 EP90102841A EP0385180A3 EP 0385180 A3 EP0385180 A3 EP 0385180A3 EP 19900102841 EP19900102841 EP 19900102841 EP 90102841 A EP90102841 A EP 90102841A EP 0385180 A3 EP0385180 A3 EP 0385180A3
Authority
EP
European Patent Office
Prior art keywords
lift
lever
safety brake
drum
rotation
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
EP19900102841
Other languages
German (de)
French (fr)
Other versions
EP0385180B1 (en
EP0385180A2 (en
Inventor
Mario Bertoncello
Roberto Bertoncello
Luciano Bertoncello
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.)
Maber costruzioni Srl
Original Assignee
Bertoncello Mario & Flli Snc Costruzioni Meccaniche
Maber costruzioni Srl
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 Bertoncello Mario & Flli Snc Costruzioni Meccaniche, Maber costruzioni Srl filed Critical Bertoncello Mario & Flli Snc Costruzioni Meccaniche
Publication of EP0385180A2 publication Critical patent/EP0385180A2/en
Publication of EP0385180A3 publication Critical patent/EP0385180A3/en
Application granted granted Critical
Publication of EP0385180B1 publication Critical patent/EP0385180B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044—Mechanical overspeed governors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Control And Safety Of Cranes (AREA)
  • Braking Arrangements (AREA)

Abstract

Un tambour tournant (1) monté sur la plaque (10) d'un monte-charge ou similaire et solidaire du pignon (11) qui coopère avec la crémaillère (12), est muni de cames profilées (2 et 3) qui éloignent le galet (8) prévu à l'extrémité du levier (6) à l'encontre du ressort de rappel (9). Le levier est obligé de se soulever au moment opportun, avant le passage des saillies (4 et 5), lorsque le mouvement de rotation du tambour (1) est normal, tandis que son talon (6′) se bloque contre l'une des sail­ lies (4, 5) lorsque la vitesse de rotation dépasse une limite pré-­ établie prévue réglable. A rotating drum (1) mounted on the plate (10) of a freight elevator or the like and integral with the pinion (11) which cooperates with the rack (12), is provided with profiled cams (2 and 3) which separate the roller (8) provided at the end of the lever (6) against the return spring (9). The lever is forced to lift at the appropriate time, before the passage of the projections (4 and 5), when the rotation movement of the drum (1) is normal, while its heel (6 ′) locks against one of the sail lies (4, 5) when the speed of rotation exceeds a preset adjustable limit.

EP90102841A 1989-03-02 1990-02-14 Safety brake for a lift or the like Expired - Lifetime EP0385180B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8553789 1989-03-02
IT8985537A IT1233815B (en) 1989-03-02 1989-03-02 SAFETY STOP DEVICE FOR LOADERS OR SIMILAR.

Publications (3)

Publication Number Publication Date
EP0385180A2 EP0385180A2 (en) 1990-09-05
EP0385180A3 true EP0385180A3 (en) 1992-05-20
EP0385180B1 EP0385180B1 (en) 1996-09-11

Family

ID=11327711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90102841A Expired - Lifetime EP0385180B1 (en) 1989-03-02 1990-02-14 Safety brake for a lift or the like

Country Status (4)

Country Link
EP (1) EP0385180B1 (en)
AT (1) ATE142598T1 (en)
DE (1) DE69028422T2 (en)
IT (1) IT1233815B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202539A (en) * 1991-08-28 1993-04-13 Inventio Ag Emergency brake apparatus for an elevator
IT1403056B1 (en) * 2010-12-09 2013-09-27 Maber Costruzioni S R L SHOCK ABSORBER TO BE APPLIED ON SAFETY STOP SYSTEMS OF LIFTS, LIFTS, PLATFORMS AND OTHER SIMILAR LIFTING EQUIPMENT.
ITVI20150122A1 (en) 2015-05-15 2016-11-15 Maber Hoist Srl SAFETY STOP MECHANISM
CN117985566B (en) * 2024-04-03 2024-06-28 通用电梯股份有限公司 General type mechanical stopping device for elevator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1118399A (en) * 1967-04-25 1968-07-03 Alimak Verken Aktiebolag Improvements in catch apparatus for the cages of scaffold elevators and the like
CH556464A (en) * 1973-02-24 1974-11-29 Franzi Franco SAFETY DEVICE ALLOWING TO PREVENT THE FALL OF A LOAD INTENDED TO BE RAISED AND LOWERED WITH UNIFORM SPEED.
US3934682A (en) * 1972-11-23 1976-01-27 Hedstrom Ture E Safety device for lifts, hoists and like apparatus
EP0338613A2 (en) * 1988-04-22 1989-10-25 Alimak Ab A catch apparatus for a rack lift

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1118399A (en) * 1967-04-25 1968-07-03 Alimak Verken Aktiebolag Improvements in catch apparatus for the cages of scaffold elevators and the like
US3934682A (en) * 1972-11-23 1976-01-27 Hedstrom Ture E Safety device for lifts, hoists and like apparatus
CH556464A (en) * 1973-02-24 1974-11-29 Franzi Franco SAFETY DEVICE ALLOWING TO PREVENT THE FALL OF A LOAD INTENDED TO BE RAISED AND LOWERED WITH UNIFORM SPEED.
EP0338613A2 (en) * 1988-04-22 1989-10-25 Alimak Ab A catch apparatus for a rack lift

Also Published As

Publication number Publication date
IT8985537A0 (en) 1989-03-02
DE69028422D1 (en) 1996-10-17
ATE142598T1 (en) 1996-09-15
IT1233815B (en) 1992-04-17
EP0385180B1 (en) 1996-09-11
DE69028422T2 (en) 1997-04-03
EP0385180A2 (en) 1990-09-05

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