CN217267662U - 一种机坪地井操作盖安全锁止装置 - Google Patents
一种机坪地井操作盖安全锁止装置 Download PDFInfo
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- CN217267662U CN217267662U CN202220907044.2U CN202220907044U CN217267662U CN 217267662 U CN217267662 U CN 217267662U CN 202220907044 U CN202220907044 U CN 202220907044U CN 217267662 U CN217267662 U CN 217267662U
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- 210000000078 claw Anatomy 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 10
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CN202220907044.2U CN217267662U (zh) | 2022-04-19 | 2022-04-19 | 一种机坪地井操作盖安全锁止装置 |
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CN202220907044.2U CN217267662U (zh) | 2022-04-19 | 2022-04-19 | 一种机坪地井操作盖安全锁止装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A safety locking device for operating cover of apron and ground well Effective date of registration: 20221229 Granted publication date: 20220823 Pledgee: Chengdu Rural Commercial Bank Co.,Ltd. Free Trade Zone Sub branch Pledgor: CHENGDU GRAFT AVIATION EQUIPMENT Co.,Ltd. Registration number: Y2022510000338 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220823 Pledgee: Chengdu Rural Commercial Bank Co.,Ltd. Free Trade Zone Sub branch Pledgor: CHENGDU GRAFT AVIATION EQUIPMENT Co.,Ltd. Registration number: Y2022510000338 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A safety locking device for the operation cover of the apron well Granted publication date: 20220823 Pledgee: Chengdu Rural Commercial Bank Co.,Ltd. Free Trade Zone Sub branch Pledgor: CHENGDU GRAFT AVIATION EQUIPMENT Co.,Ltd. Registration number: Y2024980004318 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |