TH293C3 - Knob cover - Google Patents

Abstract

This knob cover looks like a rectangular box without a lid that consists of Rustproof steel plates, 5 rectangles are the top walls. The bottom wall, the front wall, and the other two side walls, which are joined together by welding together to form a twisted cover, on the opposite side, the front wall is exposed to cover the knob. At the top wall used Drill 2 round holes and drill 2 holes in the bottom wall in a matching manner. Round at the top wall To insert the key shaft From the top wall hole, through the knob neck, through the bottom wall hole, to lock with the padlock. One side wall of the cover is in contact with the door jamb to close the gap between the ball catcher. Twisted against the door frame as a weak point that has not been covered This is to prevent tampering on the tongue. The knobs hidden in the door frame are enhanced by the tamper-proof, keyhole, and knob handle.

Claims (1)

Disclaimer (all) which will not appear on the advertisement page. : The knob cover consists of five rectangular rustproof steel plates: the top wall (1), the bottom wall (2), the front wall (3) and the side wall (4) and (5), which are assembled by screw. The chest is connected opposite to each other. The front wall is exposed to be used to cover the knobs. Fully enclosed in the upper wall, there are two circular holes (6) and (7) on the sides and the bottom wall with two circular holes (8) and (9), corresponding to the circular holes in the upper wall. To insert the key shaft from the wall hole Top, through the neck of the knob, through the bottom wall hole to lock with the padlock. This prevents the knob from tampering and prevents tampering on the knob. And has the characteristics The side wall of the lid Cover the knob in contact with the door frame to prevent tampering of the knob hidden in the door frame (11).