Auto lock for anti theft door, patent number ZL201520187458 2, no

Updated on Security door 2024-09-15
1 answers
  1. Anonymous users2024-01-24

    The main thing is to take the initiative to talk to the manufacturer, and the current patent trading platform has little effect.

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The automatic lock of the security door closes the door and cannot be completely locked
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Add some oil to the automatic lock and it should solve the problem for you.

Panpan security door has no automatic lock
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Yes, automatic locks are generally cross lock cylinders, and it is recommended that you change them to better lock cylinders.

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It can only be said that in general, there are a lot of after-sales problems, and my buddies are looking forward to after-sales, and every time they encounter an automatic lock, they have a headache.

Is the lock of Wangjiale anti-theft door really a Tsinghua patent?
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If he wants to say that he should have a patent number, just look it up.