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IT1233815B - SAFETY STOP DEVICE FOR LOADERS OR SIMILAR. - Google Patents

SAFETY STOP DEVICE FOR LOADERS OR SIMILAR.

Info

Publication number
IT1233815B
IT1233815B IT8985537A IT8553789A IT1233815B IT 1233815 B IT1233815 B IT 1233815B IT 8985537 A IT8985537 A IT 8985537A IT 8553789 A IT8553789 A IT 8553789A IT 1233815 B IT1233815 B IT 1233815B
Authority
IT
Italy
Prior art keywords
drum
lever
pinion
similar
loaders
Prior art date
Application number
IT8985537A
Other languages
Italian (it)
Other versions
IT8985537A0 (en
Inventor
Mario Bertoncello
Roberto Bertoncello
Luciano Bertoncello
Original Assignee
Bertoncello Mario & F Lli Cost
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 & F Lli Cost filed Critical Bertoncello Mario & F Lli Cost
Priority to IT8985537A priority Critical patent/IT1233815B/en
Publication of IT8985537A0 publication Critical patent/IT8985537A0/en
Priority to EP90102841A priority patent/EP0385180B1/en
Priority to AT90102841T priority patent/ATE142598T1/en
Priority to DE69028422T priority patent/DE69028422T2/en
Application granted granted Critical
Publication of IT1233815B publication Critical patent/IT1233815B/en

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)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (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

The safety locking mechanism for a lift or similar machine comprises a rotary drum (1) which is attached to the pinion of the rack and pinion drive mechanism and mounted on a plate. A roller (8) on the end of a lever (6) pivoted to the plate is held against the surface of the drum, which is equipped with cams (2,3) projecting from its surface. If the drum speed exceeds a set level the roller and lever are pushed away from the drum's surface, and a claw (6') connected to the lever engages with a projection (4,5) on the drum, locking the drum and pinion, so that the lift comes to a stop.
IT8985537A 1989-03-02 1989-03-02 SAFETY STOP DEVICE FOR LOADERS OR SIMILAR. IT1233815B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT8985537A IT1233815B (en) 1989-03-02 1989-03-02 SAFETY STOP DEVICE FOR LOADERS OR SIMILAR.
EP90102841A EP0385180B1 (en) 1989-03-02 1990-02-14 Safety brake for a lift or the like
AT90102841T ATE142598T1 (en) 1989-03-02 1990-02-14 SAFETY DEVICE FOR ELEVATORS OR SIMILAR
DE69028422T DE69028422T2 (en) 1989-03-02 1990-02-14 Safety gear for lifts or the like

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8985537A0 IT8985537A0 (en) 1989-03-02
IT1233815B true IT1233815B (en) 1992-04-17

Family

ID=11327711

Family Applications (1)

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

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

Family Cites Families (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.
SE468089B (en) * 1988-04-22 1992-11-02 Alimak Ab DEVICE FOR SEARCH LIFT

Also Published As

Publication number Publication date
IT8985537A0 (en) 1989-03-02
DE69028422T2 (en) 1997-04-03
DE69028422D1 (en) 1996-10-17
EP0385180A3 (en) 1992-05-20
ATE142598T1 (en) 1996-09-15
EP0385180B1 (en) 1996-09-11
EP0385180A2 (en) 1990-09-05

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960327