JPS6469484A - Safety device for elevator - Google Patents
Safety device for elevatorInfo
- Publication number
- JPS6469484A JPS6469484A JP22744787A JP22744787A JPS6469484A JP S6469484 A JPS6469484 A JP S6469484A JP 22744787 A JP22744787 A JP 22744787A JP 22744787 A JP22744787 A JP 22744787A JP S6469484 A JPS6469484 A JP S6469484A
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- limit switches
- forced
- car
- normally open
- 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
Links
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
PURPOSE: To secure the safety of operators by providing alarm limit switches which actuate alarm means during maintenance and inspection, etc., in front of forced-stop limit switches which are provided at the top and pit part of an elevator shaft. CONSTITUTION: At the top 5 and the pit part 6 of an elevator shaft for a car 7, alarm limit switches 10, 12 are arranged in positions in front of forced-stop limit switches 11, 13 and have their respective normally open contacts 10a, 12a connected in series with the normally open contacts 14a, 15a of up and down operation relays 14, 15, respectively, and connected also to an alarm means 17 via the normally open contact 16a of an operation identification relay. If the car 7 actuates the alarm limit switch 10 or 12 during manual operation as for inspection while the contact 16a of the operation identification relay is held closed, an alarm bell 17 sounds to call operators' attention to enable the car to travel up to the position of the forced-stop limit switch 11 or 13 while securing safety. Thus, inspection work and the like can be performed with safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22744787A JPS6469484A (en) | 1987-09-10 | 1987-09-10 | Safety device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22744787A JPS6469484A (en) | 1987-09-10 | 1987-09-10 | Safety device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6469484A true JPS6469484A (en) | 1989-03-15 |
Family
ID=16861014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22744787A Pending JPS6469484A (en) | 1987-09-10 | 1987-09-10 | Safety device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6469484A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001080836A (en) * | 1999-08-30 | 2001-03-27 | Otis Elevator Co | Method for ensuring access safety of hoistway and elevator device |
| CN109081207A (en) * | 2018-10-31 | 2018-12-25 | 杭州西奥电梯有限公司 | A kind of electrical system of shallow pit vertical lift |
| CN110626898A (en) * | 2018-06-22 | 2019-12-31 | 奥的斯电梯公司 | Elevator system |
| US10526168B2 (en) | 2015-10-22 | 2020-01-07 | Otis Elevator Company | Service alarm device for warning if an elevator safety device is not activated |
-
1987
- 1987-09-10 JP JP22744787A patent/JPS6469484A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001080836A (en) * | 1999-08-30 | 2001-03-27 | Otis Elevator Co | Method for ensuring access safety of hoistway and elevator device |
| US10526168B2 (en) | 2015-10-22 | 2020-01-07 | Otis Elevator Company | Service alarm device for warning if an elevator safety device is not activated |
| CN110626898A (en) * | 2018-06-22 | 2019-12-31 | 奥的斯电梯公司 | Elevator system |
| CN110626898B (en) * | 2018-06-22 | 2021-10-08 | 奥的斯电梯公司 | Elevator system |
| CN109081207A (en) * | 2018-10-31 | 2018-12-25 | 杭州西奥电梯有限公司 | A kind of electrical system of shallow pit vertical lift |
| CN109081207B (en) * | 2018-10-31 | 2023-11-07 | 杭州西奥电梯有限公司 | Electrical system of vertical elevator with shallow pit |
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