TH254C3 - Locking device for safe - Google Patents

Abstract

1. Code box for safe round type Which secures every set of disc gears (code sets) attached as one set to prevent code swapping when installing. 2. Craft a key for users to set the code and change the code by themselves. By using the key to force the caliper to unlock the gear ring to open and set the code By moving the gear position according to the desired number 3. Setting and opening the code Use the same position marked with red on the edge of the code plate. Causing users not to hack To set and open the code

Claims (3)

1.Locking device for safe Which has a box for fixing the locking components to be attached as one piece, consisting of - a hand cranked code head Round header on one side is numbered for setting. Code or turn off code The other side is smooth In the center there is a solid round axis attached. At the end of a round spindle with a thread And there is a hole for the stop - the code plate has a flat round head with 4 holes for inserting the code plate fixing screws into the lid. The safe at the edge of the code plate will have 1 red line to be used to define the code. In the middle of the code plate there will be The casing is attached to the solid axis. So that the axis of the code head can wear From the tip there is a notch approximately 1/4 length of the axis. The length of the sleeve is divided into 2 periods, where the first part is attached to the code plate. It is longer than the second, which is at the end of the shoulder with a wedge groove to fit with the code box set. - The lock box, a safe that has a special shape, a box that looks like a cylinder. The mouth of the box has a prong to hold the lid of the box by inserting a die. In the center there is a round hole as wide as the core of the code plate. Safe lock device The hollow core end has been machined into a circular groove. To insert a lock ring Set separate code sets. And the hollow core is still notched into 2 opposite grooves. The side of the box is an L-shaped groove. The lid of the box behind the notch is wide. Equal to the U-shaped groove of the code set plate. When the safe latch is pulled down must Through matching conveniently The back of the box also has a small cover protruding with a hole in the middle for inserting the code key. Spring copper washers It is worn on a hollow casing. The inside of the box is round, flattened, slightly raised when pressed, appears to spring up. 3 sets of U-groove code plates, each set consisting of The second U code pad is the same. They are sandwiched with a round, flat ring made of brass. At the edge of the notch is U-shaped with 6 small holes for inserting the rivet and cam ring. The interior consists of 2 claws, claw ring, gear ring and cam ring. The 2 claw claws are tapered, curved like two claws. The claws have a small wing top gear. Of the caliper after the gear will act as a spring In the center of the claw is a small hole to attach the pin, which is the pivot point of the claw. The end of the base is curved. Across the cam ring, the claw ring is a copper ring placed in the central groove of the gear ring. To be used to knock out the next set of code disc, the top and bottom sprocket rings have shoulders on the edges to fit on. U-groove brass code plate When the caliper ring is unlocked, the sprocket ring can be independent from the two assembled U-groove brass plates. On the outer edge of the ring there is a small gear. Around the body, the distance of the gear teeth is equal to the distance Claw teeth Cam ring Located between the base of the two calipers, sliding ring This part separates each code sheet so that each code has The appearance is a thin brass ring. On the edge of the round box, there are 2 small fangs that are attached to the core of the code box. Lock ring, code set plate It is characterized by a C-shaped spring ring with a slit as wide as the center axis of the box. The locking ring is used to fit into the locking groove that The end of the center axis in the box of the code set, the inside has a small fang, used to hook the claw ring to rotate together. In the center there is a threaded hole the same size as the thread of the stud welded from the code head, the outside protruding has a hole for inserting the pin. 2. Equipment according to claim 1 by setting or changing the code using only 3 groups of numbers 3. Device according to claim 1 by setting, changing and opening the code using the same position (red mark on the edge of the code plate)