JPS53140788A - Safety device for man conveyor - Google Patents

Safety device for man conveyor

Info

Publication number
JPS53140788A
JPS53140788A JP5438477A JP5438477A JPS53140788A JP S53140788 A JPS53140788 A JP S53140788A JP 5438477 A JP5438477 A JP 5438477A JP 5438477 A JP5438477 A JP 5438477A JP S53140788 A JPS53140788 A JP S53140788A
Authority
JP
Japan
Prior art keywords
man conveyor
safety device
detecting
man
conveyor
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
JP5438477A
Other languages
Japanese (ja)
Other versions
JPS5761675B2 (en
Inventor
Satoshi Nakazawa
Norihiko Mitsui
Katsuya Teranishi
Kenichiro Kimura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5438477A priority Critical patent/JPS53140788A/en
Publication of JPS53140788A publication Critical patent/JPS53140788A/en
Publication of JPS5761675B2 publication Critical patent/JPS5761675B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To accurately detect the abnormal steps of a man conveyor by providing a detecting switch at the rectilinear running section of the step for detecting the accurate cut portion provided at the step shaft.
COPYRIGHT: (C)1978,JPO&Japio
JP5438477A 1977-05-13 1977-05-13 Safety device for man conveyor Granted JPS53140788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5438477A JPS53140788A (en) 1977-05-13 1977-05-13 Safety device for man conveyor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5438477A JPS53140788A (en) 1977-05-13 1977-05-13 Safety device for man conveyor

Publications (2)

Publication Number Publication Date
JPS53140788A true JPS53140788A (en) 1978-12-08
JPS5761675B2 JPS5761675B2 (en) 1982-12-25

Family

ID=12969181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5438477A Granted JPS53140788A (en) 1977-05-13 1977-05-13 Safety device for man conveyor

Country Status (1)

Country Link
JP (1) JPS53140788A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140967U (en) * 1982-03-15 1983-09-22 三菱電機株式会社 escalator safety device
US5096040A (en) * 1991-09-24 1992-03-17 Otis Elevator Company Detection of missing steps in an escalator or moving walk
US5316121A (en) * 1992-11-25 1994-05-31 Otis Elevator Company Escalator missing step detection
US5361887A (en) * 1994-03-14 1994-11-08 Otis Elevator Company Apparatus for detecting an irregularity in the frequency of steps passing a particular point within a passenger conveying device
US7225912B1 (en) * 2004-02-26 2007-06-05 Fujitec America Inc. Escalator wheel monitor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS429718Y1 (en) * 1966-04-13 1967-05-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS429718Y1 (en) * 1966-04-13 1967-05-26

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140967U (en) * 1982-03-15 1983-09-22 三菱電機株式会社 escalator safety device
JPS6346457Y2 (en) * 1982-03-15 1988-12-02
US5096040A (en) * 1991-09-24 1992-03-17 Otis Elevator Company Detection of missing steps in an escalator or moving walk
US5316121A (en) * 1992-11-25 1994-05-31 Otis Elevator Company Escalator missing step detection
US5361887A (en) * 1994-03-14 1994-11-08 Otis Elevator Company Apparatus for detecting an irregularity in the frequency of steps passing a particular point within a passenger conveying device
US7225912B1 (en) * 2004-02-26 2007-06-05 Fujitec America Inc. Escalator wheel monitor

Also Published As

Publication number Publication date
JPS5761675B2 (en) 1982-12-25

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