JPS5389150A - Device for detecting abnomal speed of elevator cage - Google Patents

Device for detecting abnomal speed of elevator cage

Info

Publication number
JPS5389150A
JPS5389150A JP341177A JP341177A JPS5389150A JP S5389150 A JPS5389150 A JP S5389150A JP 341177 A JP341177 A JP 341177A JP 341177 A JP341177 A JP 341177A JP S5389150 A JPS5389150 A JP S5389150A
Authority
JP
Japan
Prior art keywords
speed
detecting
abnomal
elevator cage
cage
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.)
Pending
Application number
JP341177A
Other languages
Japanese (ja)
Inventor
Takao Okada
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.)
Fujitec Co Ltd
Original Assignee
Fujitec Co 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 Fujitec Co Ltd filed Critical Fujitec Co Ltd
Priority to JP341177A priority Critical patent/JPS5389150A/en
Publication of JPS5389150A publication Critical patent/JPS5389150A/en
Pending legal-status Critical Current

Links

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

PURPOSE: To improve the safety of an elevator cage by detecting the abnormal speed (including overspeed and underspeed) with respect to the command speed of the cage in the entire stroke of the cage.
COPYRIGHT: (C)1978,JPO&Japio
JP341177A 1977-01-13 1977-01-13 Device for detecting abnomal speed of elevator cage Pending JPS5389150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP341177A JPS5389150A (en) 1977-01-13 1977-01-13 Device for detecting abnomal speed of elevator cage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP341177A JPS5389150A (en) 1977-01-13 1977-01-13 Device for detecting abnomal speed of elevator cage

Publications (1)

Publication Number Publication Date
JPS5389150A true JPS5389150A (en) 1978-08-05

Family

ID=11556629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP341177A Pending JPS5389150A (en) 1977-01-13 1977-01-13 Device for detecting abnomal speed of elevator cage

Country Status (1)

Country Link
JP (1) JPS5389150A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124756A (en) * 1973-01-29 1974-11-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124756A (en) * 1973-01-29 1974-11-29

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