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Elevator Door Device
Abstract: Provided is an elevator door device that can easily open the door in the event of a power failure. This elevator door device comprises: an electromagnetic brake that is equipped with a resistor and, when the power supply of an elevator door is shut off, opens the electric circuit between an elevator door motor and the power supply to form a braking circuit which is a closed circuit that is equipped with the resistor and the door motor; and a braking deactivator that is equipped with a mechanical switch which mechanically switches a release contact, and when the mechanical switch is operated, switches the release contact to open the braking circuit.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
24 August 2022
Publication Number
35/2022
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
bangalore@knspartners.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-10-30
Renewal Date
Applicants
MITSUBISHI ELECTRIC CORPORATION
7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008310
Inventors
1. YOSHINO, Jumpei
c/o Mitsubishi Electric Engineering Company Limited, 1-13-5, Kudankita, Chiyoda-ku, Tokyo
1020073
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202247048236-IntimationOfGrant30-10-2023.pdf | 2023-10-30 |
| 1 | 202247048236.pdf | 2022-08-24 |
| 2 | 202247048236-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [24-08-2022(online)].pdf | 2022-08-24 |
| 2 | 202247048236-PatentCertificate30-10-2023.pdf | 2023-10-30 |
| 3 | 202247048236-STATEMENT OF UNDERTAKING (FORM 3) [24-08-2022(online)].pdf | 2022-08-24 |
| 3 | 202247048236-ABSTRACT [12-04-2023(online)].pdf | 2023-04-12 |
| 4 | 202247048236-REQUEST FOR EXAMINATION (FORM-18) [24-08-2022(online)].pdf | 2022-08-24 |
| 4 | 202247048236-DRAWING [12-04-2023(online)].pdf | 2023-04-12 |
| 5 | 202247048236-PROOF OF RIGHT [24-08-2022(online)].pdf | 2022-08-24 |
| 5 | 202247048236-FER_SER_REPLY [12-04-2023(online)].pdf | 2023-04-12 |
| 6 | 202247048236-POWER OF AUTHORITY [24-08-2022(online)].pdf | 2022-08-24 |
| 6 | 202247048236-OTHERS [12-04-2023(online)].pdf | 2023-04-12 |
| 7 | 202247048236-FORM 3 [22-02-2023(online)].pdf | 2023-02-22 |
| 7 | 202247048236-FORM 18 [24-08-2022(online)].pdf | 2022-08-24 |
| 8 | 202247048236-FORM 1 [24-08-2022(online)].pdf | 2022-08-24 |
| 8 | 202247048236-FER.pdf | 2022-12-19 |
| 9 | 202247048236-FORM 3 [25-11-2022(online)].pdf | 2022-11-25 |
| 9 | 202247048236-DRAWINGS [24-08-2022(online)].pdf | 2022-08-24 |
| 10 | 202247048236-AMMENDED DOCUMENTS [25-08-2022(online)].pdf | 2022-08-25 |
| 10 | 202247048236-DECLARATION OF INVENTORSHIP (FORM 5) [24-08-2022(online)].pdf | 2022-08-24 |
| 11 | 202247048236-COMPLETE SPECIFICATION [24-08-2022(online)].pdf | 2022-08-24 |
| 11 | 202247048236-FORM 13 [25-08-2022(online)].pdf | 2022-08-25 |
| 12 | 202247048236-MARKED COPIES OF AMENDEMENTS [25-08-2022(online)].pdf | 2022-08-25 |
| 13 | 202247048236-COMPLETE SPECIFICATION [24-08-2022(online)].pdf | 2022-08-24 |
| 13 | 202247048236-FORM 13 [25-08-2022(online)].pdf | 2022-08-25 |
| 14 | 202247048236-AMMENDED DOCUMENTS [25-08-2022(online)].pdf | 2022-08-25 |
| 14 | 202247048236-DECLARATION OF INVENTORSHIP (FORM 5) [24-08-2022(online)].pdf | 2022-08-24 |
| 15 | 202247048236-DRAWINGS [24-08-2022(online)].pdf | 2022-08-24 |
| 15 | 202247048236-FORM 3 [25-11-2022(online)].pdf | 2022-11-25 |
| 16 | 202247048236-FER.pdf | 2022-12-19 |
| 16 | 202247048236-FORM 1 [24-08-2022(online)].pdf | 2022-08-24 |
| 17 | 202247048236-FORM 18 [24-08-2022(online)].pdf | 2022-08-24 |
| 17 | 202247048236-FORM 3 [22-02-2023(online)].pdf | 2023-02-22 |
| 18 | 202247048236-OTHERS [12-04-2023(online)].pdf | 2023-04-12 |
| 18 | 202247048236-POWER OF AUTHORITY [24-08-2022(online)].pdf | 2022-08-24 |
| 19 | 202247048236-FER_SER_REPLY [12-04-2023(online)].pdf | 2023-04-12 |
| 19 | 202247048236-PROOF OF RIGHT [24-08-2022(online)].pdf | 2022-08-24 |
| 20 | 202247048236-REQUEST FOR EXAMINATION (FORM-18) [24-08-2022(online)].pdf | 2022-08-24 |
| 20 | 202247048236-DRAWING [12-04-2023(online)].pdf | 2023-04-12 |
| 21 | 202247048236-STATEMENT OF UNDERTAKING (FORM 3) [24-08-2022(online)].pdf | 2022-08-24 |
| 21 | 202247048236-ABSTRACT [12-04-2023(online)].pdf | 2023-04-12 |
| 22 | 202247048236-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [24-08-2022(online)].pdf | 2022-08-24 |
| 22 | 202247048236-PatentCertificate30-10-2023.pdf | 2023-10-30 |
| 23 | 202247048236.pdf | 2022-08-24 |
| 23 | 202247048236-IntimationOfGrant30-10-2023.pdf | 2023-10-30 |
Search Strategy
| 1 | 202247048236E_15-12-2022.pdf |