TH6403C3 - Improved key, keyhole cover. - Google Patents

Abstract

DC60 key with improved keyway cover That was organized as the last sheet of the key combination. This keyhole cover Will look like a round plate In the middle there is a cutout with a convex section. Both sides of the cutout Where the two convex parts (3) are in the opposite direction. To make the key used Inserted into a specific shape There are grooves along the entire length of the key shank on both sides that are aligned with each other, and at the edge of the keyhole cover there are two grooves. For supporting the lock shank, the key can be tampered with by inserting a tool or device to break the key code. That is the last sheet of the key code set, this keyhole cover Will look like a round plate In the middle area there is a cutout with convex sections on both sides of the cutout. Where the two convex parts (3) are in the opposite direction. So that the key used to insert has a unique shape There is a groove along the entire length of the key shank on both sides that are in opposite directions. And there are two grooves on the edge of the keyhole cover For supporting the key latch Able to prevent tampering by inserting a toolbar or device to break the key code.

Claims (1)

1. The revised key, the keyhole cover, consists of the keyhole cover (1) that is arranged as the last sheet of the key combination (20), the keyhole cover (20), the keyhole cover (1). In the middle there is a cutout (2) which is unique, that is, it has a convex section (3) on both sides of the cutout. Where the two convex sections (3) are aligned. So that the key used to insert has a unique shape There is a groove along the entire length of the key shank on both sides that are in opposite directions. And at the edge of the keyhole cover (1) there are two grooves (4) for supporting the keyhole locking lever.