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2020
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Invention
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Bolt and nut assembly with loosening prevention.
A bolt and nut assembly with loosening preventi... |
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Invention
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Anchor bolt for hollow wall.
Disclosed herein is an anchor bolt for a hollow wall including: a c... |
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2019
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Invention
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Nut loosening prevention device. Disclosed is a nut loosening prevention device for preventing lo... |
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Invention
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Muffler having noise reduction structure using spiral steel pipe and method for manufacturing sam... |
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2018
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Invention
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Bolt structure having locking device built in. Disclosed is a bolt structure having a locking dev... |
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Invention
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Double nut having anti-loosening part.
The present invention relates to a double nut including: ... |
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Invention
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Side-discharge type nondirectional air purifier.
The present invention relates to a side-dischar... |
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2017
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Invention
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Double nut including loosening prevention member. Disclosed is a double nut including a loosening... |
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Invention
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Fixing means. The present invention relates to a fixing means (a set of bolts). More particularly... |
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Invention
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Bolt structure having locking unit embedded therein. The present invention relates to a bolt stru... |
