KR101165199B1 - The desk assembly-type computer main body cabinet having a robbery prvention structure - Google Patents

Abstract

PURPOSE: A computer main body keeping container is provided to prevent the loss of a computer through a locking unit. CONSTITUTION: A computer main body keeping container comprises a housing(100), a burglarproof rod(200), a side cover(300), and a desk combining member(400). The housing is made of a metal material and is formed in a rectangular parallelepiped shape. Both ends of the burglarproof rod are detachable from a burglarproof rod mount groove. The side cover supports the burglarproof rod and is detachably received into opened both sides of the housing. The desk combining member comprises a first combining member and a second combining member.

Description

Desk-type computer main storage box with anti-theft structure {THE DESK ASSEMBLY-TYPE COMPUTER MAIN BODY CABINET HAVING A ROBBERY PRVENTION STRUCTURE}

The present invention relates to a desk-mounted computer body storage box having an anti-theft structure, and more particularly, is detachably coupled to a computer desk provided in a public place such as a government office, a library, a computer room, or a lodging facility, and the like. It relates to a desk-attached computer body storage box having a structure capable of preventing theft through a locking means in a state that accommodates.

Recent advances in Internet technology have made computers more convenient to search than other basic functions, and are easily used by many people in various places such as public places or accommodations, such as public offices, libraries, and computer rooms.

Such computers typically consist of a main body, a monitor, a keyboard, and a mouse, which are usually placed on a table that otherwise sits on the top of the plate, the body is inserted into the bottom side, and the keyboard and mouse are inserted in a sliding manner. It is used as a computer desk or the like.

However, a computer installed in a general desk or a computer desk in a place where a large number of unspecified people, such as public places or accommodations frequently enter and exit, has a high possibility of theft of a main body made of expensive components, since there is no separate anti-theft device.

The main reason why it is difficult to prevent theft of the main body, which is the core of the computer, should be exposed to the outside of the power cord and other connectors, and the front of the power switch, CD entry, microphone and earphone jack or USB port. Not only must the control panel be exposed to the outside, but the size of the body varies from manufacturer to manufacturer and the parts to be exposed to the outside are not constant, so that all of these conditions can be satisfied, and computer bodies of various sizes and structures can be prevented from theft in common. The structure of the library is not easy.

In order to solve this problem, the "desktop for computer" disclosed in Korean Patent Application Publication No. 20-2009-0007327, which is Patent Document 1, has been proposed.

The computer desk proposed in Patent Literature 1 is fixed to the side plate by a bolt or the like on the rear part of the front opening to prevent the main body contained in the main body storage chamber provided between the pair of side plates supporting the top plate. It is provided so that the computer main body can be accommodated inside by providing the door in which the locking device was installed.

However, since the main body storage chamber having a main body anti-theft body structure provided in the computer desk proposed in Patent Document 1 is made together with other components of the desk, there is a problem that a conventional general desk cannot be provided separately.

In addition, the anti-theft frame installed in the front opening and the locking device installed in the rear to prevent theft of the main body had to be fixed to the side plate separately.

In addition, the anti-theft frame that is fixed to the side plate with a bolt or the like is not easy to remove and adjust the height, so the power switch, CD entry and exit, microphone and earphone jack or USB port provided in a predetermined position on the front of the body made of various sizes There is a problem that can be inconvenient in the operation of the various electrical equipment, the case of the small size of the main body, even if there is a frame to prevent theft there is a problem that can not prevent theft.

KR 20-2009-0007327 U

Therefore, the technical problem to be solved by the present invention is to solve the above problems

It is possible to provide a desk-mounted computer main body storage box having an anti-theft structure that can be easily combined with a conventional general desk and then accommodate the computer main body to prevent theft of the computer main body through a separate purchase.

In addition, another technical problem to be solved by the present invention is attached to the desk having an anti-theft structure that can be easily interlocked fixed to the anti-theft unit provided on the front of the computer body accommodated and the storage box itself can be easily accommodated to protect or take out the computer body Type computer main storage box.

In addition, another technical problem to be solved by the present invention is to provide a variety of sizes without inconvenience to the operation of various electrical devices, such as a power switch, CD access unit, microphone and earphone terminal or USB port provided in a predetermined position on the front of the computer main body It is to provide a desk-mounted computer main body storage box having an anti-theft structure that can be easily adjusted and changed the height position and the number of installation of the anti-theft portion to match the size of the computer main body manufactured.

Desk-mounted computer body storage box having an anti-theft structure according to the present invention for solving the above problems is provided in two front vertical corners and a plurality of anti-theft rod seating grooves are formed at predetermined intervals along the longitudinal direction inside A front vertical frame, a rear vertical frame each provided at two rear vertical edges, and a horizontal frame provided at each of four horizontal corners at the top and bottom, and a rear vertical frame at least partially provided with a locking member engaging portion. A rectangular parallelepiped housing including a lower cover on which the seat is seated, at least one end portion of the housing for blocking a front portion of the housing and being detachably accommodated at both ends to allow height adjustment to a portion of the plurality of anti-theft rod seating grooves. Anti-theft rod, and the anti-theft rod seating groove While supporting the anti-theft bar so received being separated and the anti-theft bar is coupled to each of the removal openings on both sides of the housing receiving, and a side cover having a locking member locking hanging on the locking member engagement portion.

The anti-theft rod seating groove is open toward the rear vertical frame,

The side cover may include a plate-shaped face plate portion and a vertical support rib provided on an inner surface of the face plate portion along at least a portion of the front end edge of the face plate portion to support the anti-theft rod.

The front vertical frame may further include a support rib accommodating part that opens along the longitudinal direction toward the rear vertical frame to accommodate the vertical support ribs and support both ends of the anti-theft rod.

The vertical support ribs may be provided on an inner surface of the face plate portion in a state in which the vertical support ribs protrude at a predetermined length toward the front of the housing from at least a portion of the front end edge of the face plate portion.

The side cover may further include a horizontal support rib provided on an inner surface along at least part of upper and lower edges of the face plate portion.

The horizontal support ribs are provided on the inner surface at predetermined intervals from the upper and lower edges of the face plate portion in the center direction of the face plate portion, and the horizontal frame contacting the side cover protrudes at a predetermined length toward the vertical center portion of the housing. The engaging jaw coupled to be engaged with the predetermined spacing of the face plate portion may be further provided on the inner surface.

The housing may include a blocking bar for blocking a part of the opened rear portion, at least one partition wall disposed parallel to the vertical frame at a predetermined distance from the front along a center portion in an internal front-rear direction, and closing an upper portion of the housing. It may further include a top cover.

As described above, by storing the desk-type computer main body having the anti-theft structure according to the present invention, the computer main body can be accommodated after being easily combined with a conventional general desk, which has an advantageous effect of preventing theft of the computer main body.

In addition, according to the desk-mounted computer body storage box having an anti-theft structure according to the present invention, the anti-theft rod provided in the front portion of the computer main body and the locker self-locking member can be interlocked with each other to easily accommodate or protect the computer body It has a beneficial effect.

In addition, according to the desk-mounted computer main body storage box having an anti-theft structure according to the present invention, it is inconvenient to operate various electric devices such as a power switch, a CD access unit, a microphone and an earphone terminal or a USB port provided at a predetermined position in front of the computer main body. There is an advantageous effect that the height and position of the anti-theft rod can be easily adjusted and changed according to the size of the computer main body manufactured in various sizes without giving.

1 and 2 are respectively a perspective view and an exploded perspective view of the desk-mounted computer body storage box having an anti-theft structure according to an embodiment of the present invention,
3 and 4 are an exploded perspective view, and an exploded perspective view of a desk-attached computer body storage box having an anti-theft structure according to an embodiment of the present invention as viewed from the opposite side of FIGS. 1 and 3, respectively;
5 and 6 are enlarged views of region 'A' and region 'B' of FIG. 4,
7 and 8 are enlarged views of left and right covers, which are one part of a desk-attached computer body storage box having an anti-theft structure according to an embodiment of the present invention shown in FIG. 4, respectively.
9 is a perspective view of a housing that is a part of a desk-attached computer body storage box having an anti-theft structure according to an embodiment of the present invention shown in FIG. 4;
10 is a plan perspective view of the housing shown in FIG. 4, FIG.
11 to 13 are a perspective view, a perspective view and a plan view showing a state where the anti-theft rod and the left cover is inserted into the front and the left side of the housing shown in Figures 4, 9 and 10, respectively,
14 to 16 are a perspective view, a perspective view and a plan view showing a state in which the right cover is inserted into the right side of the housing shown in Figs. 11 to 13, respectively;
17 and 18 are a perspective view and a plan view illustrating a state in which the left cover and the right cover are locked to the housing by using the locking members shown in FIGS. 15 and 16, respectively;
19 and 20 are diagrams illustrating a state where a desk-mounted computer main body storage box having an anti-theft structure according to an embodiment of the present invention is coupled to a desk;
21 is an actual photograph of a desk-attached computer main storage box having an anti-theft structure according to an embodiment of the present invention coupled to a desk, and
22 is a diagram illustrating a desk-attached computer main storage box having an anti-theft structure according to another embodiment of the present invention coupled to a desk.

Specific details of embodiments of the present invention are included in the detailed description and the drawings.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims.

Like reference numerals refer to like elements throughout. Embodiments described herein will be described with reference to ideal perspective, enlarged, perspective, plan, and state diagrams of the invention.

Hereinafter, with reference to the accompanying drawings will be described a desk-mounted computer main storage box having an anti-theft structure and an assembly method thereof according to an embodiment of the present invention.

First, a desk-attached computer main storage box 1 having an anti-theft structure according to an embodiment of the present invention will be described in detail with reference to FIGS.

1 and 2 are combined and exploded perspective views, respectively, of a desk-attached computer body storage box having an anti-theft structure in accordance with one embodiment of the present invention; FIGS. 3 and 4 are viewed from opposite sides of FIGS. 1 and 3, respectively. Combined perspective view, and exploded perspective view of the desk-mounted computer body storage box having an anti-theft structure according to an embodiment of the invention, Figures 5 and 6 are enlarged views of the 'A' region and 'B' region of Figure 4, Figure 7 And FIG. 8 is an enlarged view of a left and right cover, each of which is a part of a desk-mounted computer main storage box having an anti-theft structure according to an embodiment of the present invention shown in FIG. 4, and FIG. 9 is an enlarged view of the present invention shown in FIG. A perspective view of a housing that is a part of a desk-attached computer body storage box having an antitheft structure according to an embodiment, and FIG. 10 is a top perspective view of the housing shown in FIG. 4.

1 to 10, the desk-mounted computer body storage box 1 having an anti-theft structure according to an embodiment of the present invention is a housing 100, anti-theft rod 200, side cover 300 And a desk coupling member 400.

The housing 100 is made of a metal material having strength, and is generally made to have a skeleton shape of a rectangular parallelepiped which is opened and closed front and bottom, and includes a front vertical frame 110, a rear vertical frame 120, a horizontal frame 130, The blocking bar 140, the partition wall 150, the lower cover 160, and the upper cover 170 are included.

The front vertical frame 110 is provided at two front vertical edges of the housing 100 having a cuboid shape to form a skeleton for reinforcing vertical strength, and as shown in FIGS. 4 to 6, the support rib receiving portion 112 is shown. And the anti-theft rod seating groove 114 is formed.

One side of the support rib receiving portion 112 is opened along the vertical length direction toward the rear vertical frame 120, and the front vertical of the side cover 300 described later in a state in which the end of the anti-theft rod 200 is accommodated. A support rib 322 is coupled to accommodate the anti-theft rod 220.

The anti-theft rod seating groove 114 is formed to be opened toward the rear vertical frame 120 at a predetermined interval in the vertical longitudinal direction inside the support rib receiving portion 112, as shown in Figure 1 Both ends of the anti-theft rod 200 are accommodated in the horizontal direction, respectively.

The rear vertical frame 120 is provided at two rear vertical edges of the housing 100 to form a skeleton that reinforces the vertical strength together with the front vertical frame 110, and the locking member is locked toward the front vertical frame 110 at the center portion. The portions 122 are projected to each other.

The horizontal frame 130 is provided at each of the four horizontal corners of the upper and lower sides and each end is connected to the end of the front vertical frame 110 or the rear vertical frame 120 to form a skeleton to reinforce the vertical strength.

Meanwhile, the horizontal frame 130 positioned above and below the side surface of the housing 100 is protruded to a predetermined length toward the vertical center portion of the housing 100, as shown in FIGS. 6 and 7. The engaging jaw 132 is further coupled to the inner surface along the longitudinal direction of the.

As shown in FIG. 3, both ends of the blocking bar 140 are coupled to the rear vertical frame 120 so as to block a central portion of the opened rear side of the housing 100 in the horizontal direction. To prevent unauthorized leakage. 19 to 20, however, a case in which the rear of the housing 100 is blocked by the rear plate 54 of the desk 50 may be omitted.

The partition wall 150 has a vertical space (d1) at a predetermined distance from the front along the inner front-back direction of the housing 100 so as not to prevent the anti-theft rod 200 from being seated in the anti-theft rod seating groove 114. It is arrange | positioned parallel to 110,120. The partition wall 150 reinforces the central part strength of the housing 100 and designates the accommodation space one by one when two computer bodies 100 are accommodated.

The lower cover 160 has four corners respectively coupled to the lower horizontal frame 130 to close the lower portion of the housing 100, and provides a seating place where the computer body 100 is seated.

 The upper cover 170 has four corners respectively coupled to the upper horizontal frame 130 to close the upper part of the housing 100, and as shown in FIGS. 19 to 20, the housing 100 of the storage box 1 is a desk. Attached to the lower part of the upper plate 52 of the 50, the upper part may be omitted.

The anti-theft rod 200 is made of a metal material with excellent strength, and both ends are detachably accommodated and seated and coupled to allow the height adjustment and the number of couplings to the anti-theft rod seating groove 114, respectively, the housing 100 By blocking a portion of the open front of the) to prevent unauthorized outflow of the front of the computer body (10).

Side cover 300 is also provided with a strong metal material, while the anti-theft rod 200 accommodated in the anti-theft rod seating groove 114, while supporting the anti-theft rod 200 toward the front so that the housing does not leave the rear housing Removably received and coupled to each of the two open sides of the (100), and includes a face plate 310, support ribs 320, the locking member 330.

The face plate 310 is provided in a plate shape to completely close the side of the housing 100 when the side of the housing 100 is coupled.

The support ribs 320 are used to reinforce the strength of the face plate portion 310 and to increase the support force when engaging the housing 100. The front vertical support ribs 322 are illustrated in FIGS. 7 and 8. ), Rear vertical support ribs 324 and horizontal support ribs 326.

The front vertical support ribs 322 are bent and coupled to the inner surface of the face plate 310 along the longitudinal direction of the front end edge of the face plate 310, and the anti-theft rod 200 prevents the anti-theft rod 200 from being separated rearward. The support 200 is received and coupled to the support rib receiving portion 112 forward. As shown in FIG. 8, the front vertical support rib 322 protrudes from the front end edge of the face plate 310 toward the front of the housing 100, that is, the support rib receiving portion 112 by a predetermined length d2. It is preferable to be bent to the inner surface of the furnace face plate 310 for the support of the anti-theft rod 200 and the accommodation of the support rib receiving portion 112.

The rear vertical support rib 324 is bent on the inner surface of the face plate 310 in parallel to the longitudinal direction of the rear edge of the face plate 310 at a predetermined distance so as not to interfere with the position and operation of the locking member 330. Coupled to reinforce the rear strength of the face plate 310.

The horizontal support rib 326 is bent and coupled to the inner surface of the face plate 310 along the longitudinal direction of the upper and lower edges of the face plate 310, and is in contact with the side horizontal frame 130 to exert a combined support force. As shown in FIG. 8, the horizontal support ribs 326 are provided on the inner surface with a predetermined distance d3 toward the center from the upper and lower edges of the face plate 310. The upper and lower edges of the plate 310 are preferably coupled to the horizontal frame 130 while being engaged with the engaging jaw 132 to exert the bonding strength.

The locking member 330 is formed through the rear center portion of the face plate portion 200 from the outside to the inside, and the bundle of keys rotated by a key (not shown) in the state in which the side cover 300 is accommodated on the side of the housing 100. The engaging piece 334 connected to the portion 332 is caught by the locking member engaging portion 122 to prevent unauthorized opening of the side cover 330 from the housing 100.

The desk coupling member 400 includes a first coupling member 410 coupled on the upper front horizontal frame 130 and a second coupling member 420 coupled on the upper side horizontal frame 130 to provide a desk 50. Fixing the storage box (1) by the well-known bolt nut coupling on the lower plate 52 of the.

Hereinafter, with reference to FIGS. 11 to 18 with reference to the assembling method of the desk-mounted computer main storage box (1) having an anti-theft structure according to an embodiment of the present invention.

11 to 13 are perspective views, perspective views, and plan views illustrating a state in which an anti-theft rod and a left cover are inserted into the front and left sides of the housing shown in FIGS. 4, 9, and 10, respectively, and FIGS. 11 and 13 are a perspective view, a perspective view, and a plan view illustrating a state in which a right cover is inserted into a right side of the housing illustrated in FIGS. 11 to 13, and FIGS. 17 and 18 respectively show a left cover and a cover using a locking member shown in FIGS. 15 and 16, respectively. Perspective view and plan view showing a state in which the right cover is locked to the housing.

First, as shown in FIGS. 11 and 13, the desk coupling member 400 is coupled onto the upper horizontal frame 130. In addition, in consideration of the size of the computer main body 10 to be accommodated and the operation position of various electrical devices on the front surface, the coupling height of the anti-theft rod 200 and the number of installations are selected, and then the anti-theft rod is formed from one open side of the housing 100 ( Both ends of the 200 are accommodated in the anti-theft rod seating groove 114, respectively, and seated. In addition, the left side cover 300 is received and coupled to the open left side of the housing 100. At this time, the front vertical support ribs 322 receive and support the one end of the anti-theft rod 200 to the front so that the anti-theft rod 200 is not separated to the rear, and receiving and coupled to the support rib receiving portion 112, the face plate portion ( The horizontal support ribs 326 are in contact with the horizontal frame 130 while the upper and lower edges of the 310 are engaged with the engaging jaw 132.

Then, as shown in FIGS. 14 to 16, the right side cover 300 is received and coupled to the opened right side of the housing 100. In this case as well, the front vertical support ribs 322 accommodate and couple to the support rib receiving portion 112 while supporting the other end of the anti-theft rod 200 forward so that the anti-theft rod 200 does not move backward. The horizontal support ribs 326 are in contact with the horizontal frame 130 while the upper and lower edges of the 310 are engaged with the engaging jaw 132.

Then, as shown in FIGS. 17 to 18, when the side cover 300 is locked to the housing 100 using the locking member 330, the assembly work is completed.

In the middle of assembly, the computer body 10 is accommodated in the housing 100 so as not to interfere with the assembly process.

Desk-mounted computer body storage box (1) having an anti-theft structure according to an embodiment of the present invention that can be assembled in the above-described method is known as the bolt coupling nut, such as the desk coupling member 400 as shown in Figs. After attaching to the bottom surface of the top plate 52 of the desk 50 by using a coupling member of the monitor body and the keyboard (10) in a state that can be combined to accommodate the computer body 10 in the storage box (1) to prevent theft 30) can be used together.

19 and 20 are diagrams illustrating a state where a desk-attached computer main storage box having an anti-theft structure according to an embodiment of the present invention is coupled to a desk, and FIG. 21 illustrates an anti-theft structure according to an embodiment of the present invention. Attached to the desk-mounted computer body storage box 1 with the actual picture coupled to the desk 50.

As described above, according to the desk-type computer main body storage box 1 having the anti-theft structure according to the embodiment of the present invention, the computer main body 10 can be accommodated after being easily coupled to a conventional general desk, There is an advantageous effect of preventing theft.

In addition, according to the desk-mounted computer main body storage box (1) having an anti-theft structure according to an embodiment of the present invention, the anti-theft rod 200 is interlocked without any other fixing means by receiving the side cover 300 There is an advantageous effect that the lock 1 can be easily closed by using the locking member 33 immediately in a fixed state.

In addition, according to the desk-mounted computer main body storage box (1) having an anti-theft structure according to an embodiment of the present invention, various sizes without inconvenience to the operation of the various electrical devices provided in a predetermined position in front of the computer main body 10 The height and position of the anti-theft rod 200 and the number of installations can be easily adjusted and adjusted according to the size of the computer main body 10 to be manufactured.

Hereinafter, the desk-mounted computer main body storage box 2 having the anti-theft structure according to another embodiment of the present invention will be described with reference to FIG. 22. The difference from 1) will be explained in detail.

22 is a diagram illustrating a desk-attached computer main storage box having an anti-theft structure according to another embodiment of the present invention coupled to a desk.

Desk-mounted computer body storage box (2) having an anti-theft structure according to another embodiment of the present invention is to accommodate only one computer body 10 when the desk 51 is a single person as shown in FIG. Desk-mounted computer body storage box 1 having an anti-theft structure in accordance with an embodiment of the present invention except that the partition wall 150 described in one embodiment of the present invention is removed and the width of the housing 101 is reduced. And its configuration and effects are the same.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1, 2: storage box
10: computer body 20: monitor
30: keyboard 50, 51: desk
52: top plate 54: thick plate
100, 101: housing 110: front vertical frame
112: support rib receiving portion 114: anti-theft rod seating groove
120: rear vertical frame 122: locking member engaging portion
130: horizontal frame 132: engaging jaw
140: blocking bar 150: bulkhead
160: lower cover 170: upper cover
200: anti-theft bar 300: side cover
310: face plate portion 320: support rib
322: forward vertical support rib 324: rear vertical support rib
326: horizontal support rib 330: locking member
332: bundle of keys 334: coupling pieces
400: desk joining member

Claims (7)

It is provided at two front vertical edges, and is provided at the front vertical frame in which a plurality of anti-theft rod seating grooves are formed at predetermined intervals in the longitudinal direction, and at the two rear vertical edges, respectively, and at least a part of the locking member A rectangular parallelepiped housing including a rear vertical frame provided and a horizontal frame provided at each of four horizontal corners, each of which includes a lower cover for closing the lower part and seating the computer main body;
At least one anti-theft rod that blocks a portion of the front opening of the housing and is detachably accommodated at both ends to allow height adjustment to a portion of the plurality of anti-theft rod seating grooves, and
The anti-theft rod accommodated in the anti-theft rod seating groove is supported by the anti-theft rod so as not to be detached, respectively detachably coupled to the opened both sides of the housing, and has a locking member that is locked to the locking member engaging portion Side cover
Including;
The anti-theft rod seating groove
Opening toward the rear vertical frame,
The side cover is
Plate-shaped face plate part, and
Vertical support ribs provided on the inner surface of the face plate portion along at least a portion of the front end edge of the face plate portion to support the anti-theft rod.
Containing
Desk-mounted computer body storage box with anti-theft structure. delete In claim 1,
The front vertical frame
A support rib receiving portion which is opened along the longitudinal direction toward the rear vertical frame to accommodate the vertical support ribs and supports both ends of the anti-theft rod is further formed.
Desk-mounted computer body storage box with anti-theft structure. In claim 3,
The vertical support rib
It is provided in the inner surface of the said faceplate part in the state which protruded by the predetermined length toward the front of the said housing from at least a part of the longitudinal direction of the front end edge of the said faceplate part.
Desk-mounted computer body storage box with anti-theft structure. In claim 1,
The side cover is
Horizontal support ribs provided on the inner surface along at least a portion of the upper and lower edges of the face plate portion
Further comprising
Desk-mounted computer body storage box with anti-theft structure. The method of claim 5,
The horizontal support rib
It is provided on the inner surface at predetermined intervals from the upper and lower edges of the face plate portion in the center direction of the face plate portion,
The horizontal frame in contact with the side cover
The engaging jaw is further provided on the inner surface protruding with a predetermined length toward the vertical center portion of the housing to engage with the predetermined spacing of the face plate portion.
Desk-mounted computer body storage box with anti-theft structure. In claim 1,
The housing
Blocking bar for blocking a part of the opening rear,
At least one partition wall disposed parallel to the vertical frame at a predetermined distance from the front along a central portion in an internal front-rear direction, and
Top cover to close the top
Further comprising
Desk-mounted computer body storage box with anti-theft structure.

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