CN211850482U - 一种安全性能高的中柱旋转钢木楼梯结构 - Google Patents
一种安全性能高的中柱旋转钢木楼梯结构 Download PDFInfo
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- CN211850482U CN211850482U CN202020258866.3U CN202020258866U CN211850482U CN 211850482 U CN211850482 U CN 211850482U CN 202020258866 U CN202020258866 U CN 202020258866U CN 211850482 U CN211850482 U CN 211850482U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 239000002023 wood Substances 0.000 title claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 239000010985 leather Substances 0.000 claims description 21
- 229920001821 foam rubber Polymers 0.000 claims description 13
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000009194 climbing Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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CN202020258866.3U CN211850482U (zh) | 2020-03-05 | 2020-03-05 | 一种安全性能高的中柱旋转钢木楼梯结构 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liuyang Mingfu Wood Art Co.,Ltd. Assignor: Hunan bububujia stairs Co.,Ltd. Contract record no.: X2023980047721 Denomination of utility model: A High Safety Performance Middle Column Rotating Steel Wood Staircase Structure Granted publication date: 20201103 License type: Common License Record date: 20231122 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liuyang Yijia Wood Industry Co.,Ltd. Assignor: Hunan bububujia stairs Co.,Ltd. Contract record no.: X2023980048099 Denomination of utility model: A High Safety Performance Middle Column Rotating Steel Wood Staircase Structure Granted publication date: 20201103 License type: Common License Record date: 20231122 |
|
EE01 | Entry into force of recordation of patent licensing contract |