According to news from the financial industry on September 17, 2024, Tianyancha’s intellectual property information shows that Changchun Zhucheng Group Co., Ltd. has obtained a project called “An Armored Door”, with the authorization announcement number CN221722613U, and the application The date is January 2024.
The patent summary shows that the utility model discloses an armored door, which includes a door frame installed on the outer wall of the wall through a fixing mechanism. The inner wall of the door frame is provided with a door core and a frame, and is provided with heavy hinges, Thick hinge box, door frame, frame, door core , Sealing strip 1 and sealing strip 2, when used, use the cooperation of heavy hinges and thick hinge boxes to support the opening and closing of the door frame. At the same time, the embedded sealing strip 1 and sealing strip 2 are used for sealing and protection, reducing external substances. penetration, greatly improving privacy. The utility model can improve isolation and convenience, and is equipped with external components, including a micro motor, an auger, a storage box, a closing plug, a discharge chamber, a hose, and an extrusion tube. The micro motor can be opened to drive the auger during use. Rotate, allowing the lubricating oil to enter the discharge tube, enter the hose and extrusion tube through the discharge chamber, and lubricate the installed heavy-duty hinges and thick hinge boxes, effectively extending the life of the device.
This article comes from the financial world
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