JP3091658U - Intruder prevention screen - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a screen door capable of preventing an intruder and simultaneously blocking insects. SOLUTION: The intruder prevention net comprises a frame surrounding the intruder prevention net. The net is held on the frame by lever-type holding between a holding portion formed integrally with the frame and a holding member formed separately. The surface of the clamping portion adjacent to the clamping member has a serrated profile. The adjacent surface of the clamping member also has a serrated profile. The holding member and the holding portion are mutually held by fastening means such as rivets or screws.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention is particularly useful for both guarding windows and doors, and blocking insects. Screen door for intruder prevention.

[0002]

[Prior art]

  To increase the security of buildings, screen screens or lattices are often used. For example, windows Steel bar grids have been used to prevent intruders from entering a house through a door. When used for windows, steel bar grids are bolted to walls near the windows. Well When used for a doorway, a steel bar grid is pivotally attached to the doorway. Acts as an additional door.

[0003]

[Problems to be solved by the device]

  Steel bars are generally considered unstructured, so industrial buildings, stores, and certain It is normally used only in the business environment. In addition, the spacing between each bar of the grid is Since the rut cutter or bow saw is wide enough to cut each steel bar, The grid does not necessarily provide adequate security.

[0004]   An alternative to steel bars is to prevent intruders from entering the house through windows or doors. It is a security screen door that is often used to prevent it. The security screen is mounted on the extrusion frame. It consists of an extruded frame with a coarse mesh covering the enclosed area. This coarse The mesh has an elongated member typically having a diameter of 7 mm, and the mesh gap is about 60 mm. The mesh is usually fitted in the slot of the frame, It is usually not pinched against the mu. One reason for doing this is The mesh body is usually made of expanded aluminum. Una expanded aluminum has a small surface area of the mesh that contacts the above frame. This is because it is not suitable for bolt fastening. In addition to this, the mesh outline is bolt The holes need to be accurately and uniquely aligned for each screen, which is tedious . Therefore, possible intruders can partially remove the unbolted mesh from the frame. Or it can be completely removed.

[0005]   Such security screens may also have the screen cut by a bolt cutter or a saw. It has the same drawbacks as the above steel bar lattice.   The screens or grate described above have the associated windows or doors opened for ventilation of the house. Can provide some security even when However, these screen doors or lattices are used to block insects. Since it is not effective against this, it is combined with a security screen or lattice for the purpose of insect protection. Fine mesh doors are often used. Such fine mesh is usually attached to a wooden frame Or rubber strips are used to keep the edges of the mesh splined. Mounted on the spline of the extrusion frame of the screen door.

[0006]   The above-mentioned fine screen door does not prevent intruders, because the wooden frame is easy. This is because it can be broken or the mesh can be easily removed from the spline. Further, the fine mesh used is made of small diameter nylon or small diameter metal stranded wire. However, it can be easily destroyed. Therefore, to provide certain security and insect protection , Both fine screen doors and security screen doors or lattices are often used. There is an inconvenience that the strike or the installation cost is high.

[0007]   The solution to the problems apparent in the above prior art is a woven wire for intruder prevention. Inventor's Australian patent describing an intruder screen that incorporates a net No. 694515. The inventor of the present invention has made an improvement method to make the net body safe. Recognized that steps are possible.

[0008]   The purpose of the present invention is to solve at least one of the problems associated with blocking doors, windows, etc. of the prior art. It is to provide a screen door for intruder prevention that alleviates one.

[0009]

[Means for Solving the Problems]

  In order to solve the above-mentioned problems, the device according to claim 1 is for corners at each end. A channel section that engages with the retaining member, and a holding section that is separated from the channel section. A frame formed from a long frame member having, and surrounded by the frame Woven wire net body for preventing intruders provided on the holding portion while covering the opened opening And the holding portion and the holding member by a lever-type holding action in cooperation with the respective fastening means. And a plurality of holding members for holding the net body between the holding unit and the holding unit. The gist is that the surface adjacent to the member has a serrated contour.

[0010]   The invention according to claim 2 is the screen door for intruder prevention according to claim 1, wherein It is a gist that the holding member has a saw-toothed contour on a surface adjacent to the holding portion.   The invention according to claim 3 is the screen door for intruder prevention according to claim 1, wherein: Each of the clamps has a flange at the end of the wall extending from the channel section. The point is to be supported more.

[0011]   The invention according to claim 4 is the screen door for intruder prevention according to claim 1, wherein: The sandwiching member and the sandwiching portion extend along the longitudinal direction of each frame member. That is the summary.

[0012]   The invention as set forth in claim 5 is the screen door for intruder prevention as set forth in claim 1, wherein: It is essential that the spacing between adjacent weft threads or adjacent warp threads of the net is 2.2 mm or less. And

[0013]   The invention according to claim 6 is the screen door for intruder prevention according to claim 5, wherein: The gist is that the interval is in the range of 1 mm to 2.1 mm.   The invention according to claim 7 is the screen door for intruder prevention according to claim 1, wherein: The gist is that the frame member is a long extruded aluminum.

[0014]   The invention according to claim 8 is the screen door for intruder prevention according to claim 1, wherein: Lip formed integrally with the channel section and extending from the channel section to the inside of the screen door The main point is to consist of.

[0015]   The invention according to claim 9 is the screen door for intruder prevention according to claim 8, wherein: The lip and the wall form a hollow with the wall of the channel section, the hollow being The gist is to accommodate the edge portion of the sandwiching member.

[0016]   According to a tenth aspect of the invention, in the screen door for intruder prevention according to the eighth aspect, The lip portion is in contact with the sandwiching member, so that the sandwiching portion and the sandwiching member are held between the sandwiching members. The main point is to promote keeping in parallel.   The invention according to claim 11 is the screen door for intruder prevention according to claim 1, wherein The main point is that the lip portion has a hook shape.

[0017]   According to an embodiment of the present invention, a channel engaging with a corner locking member at each end. Long frame portion having a slot section and a sandwiching section separated from the channel section While covering the frame formed from wood and the opening surrounded by this frame Woven wire net for intruder prevention provided on the holding part and the respective fastening means Activating the lever type clamping action to clamp the net body between the clamping part and the clamping member. The holding portion has a sawtooth-shaped contour on a surface adjacent to the holding member. An intruder screen is provided.

[0018]   Suitably, each clamping member may also have a serrated contour on the surface adjacent to said clamping portion. .   Suitably, the clamping members and the clamping portions are in the longitudinal direction of the respective frame members. It extends along the direction.

[0019]   The distance between the adjacent weft threads or the adjacent warp threads of the net body is appropriately 2.2 mm or less. Yes, and preferably in the range of 1 mm to 2.1 mm.   The sandwiched portion is suitably separated from the channel section by a wall. The wall is It is preferably an extension of one wall of the channel section.

[0020]   Suitably, it is integrally formed with the channel section and from the channel section There are lips that expand inside. The lips and walls are hollow with the walls of the channel section And the hollow portion accommodates the edge portion of the holding member.

[0021]   The screen preferably allows a cover strip to be attached to the cover engaging means. The cover engagement hand that conceals the fastening means when the screen door is viewed from the inside. With steps.

[0022]   The fastening means can be rivets or screws. The screw is a self-tapping screw Can be punished. Alternatively, the fastening means may be a snap fitting.   The wall suitably hides the fastening means when the screen is viewed from the outside.

[0023]

[Embodiment of device]

  Referring to FIG. 1, from the long frame member 3 in which the net body 4 for intruder prevention is held. An intruder screen 1 having a frame 2 is shown.

[0024]   The net body 4 covers the opening surrounded by the frame 2. Net 4 is made of stainless steel It is a woven lattice made of ear. Appropriate mesh size is described in Australian Patent No. 6945. No. 15. Optimum dimensions are 0.8 mm to 1.2 mm wire diameter , And the weft or warp has a wire spacing of 1 mm to 2.2 mm.

[0025]   2 and 3, an embodiment of the frame member 3 is shown. Frame The boom member 3 is made of extruded aluminum and has corners at each end. It has a channel section 5 for receiving a clasping member 10. Frame 2 is each frame Cut the member 3 to an appropriate length, and assemble these long bodies at the joint corners. And are formed into a desired shape and size. The frame member 3 preferably has a constant length Extruded aluminum, but any suitable material can be extruded, rolled or It may be a press-molded elongated body.

[0026]   Inside the channel 5, the integral clamping part 6 and the shape independent of the frame member 3 are formed. The separate holding member 7 is provided. The holding part 6 and the holding member 7 have the same length In addition, it extends along the length of the frame member 3. Holding part 6 and holding part In the form of a pop rivet, which cooperates with the material 7 to clamp the net body 4 to the frame 2. Holding part 6 and holding member 7 for receiving a fastening means in the form of a tool 8 or a screw. Holes spaced along the are perforated. Therefore, each of the nets 4 when sandwiched Since the area in the vicinity of these edges is sandwiched by the frame 2, the sandwiched area is It is in the same plane as the rest of the net body 4 surrounded by the frame 2. As a result net Each edge of 4 is clamped against the clamping surface of only one of the clamping part 6 and the clamping member 7. To be done.

[0027]   The upper surface of the holding portion 6 is serrated to strongly hold the net body 4. This saw The tooth is designed to capture the twisted wire of the mesh and more effectively clamp the mesh, thereby It offers considerable advantages over the inventions described in the applicant's patents. See also FIG. , 5, the lower surface of the clamping member 7 can also be serrated.

[0028]   Directing inwardly from the channel section 5, an integral wall 9 extends. This wall At the free end of the portion 9, a flange portion that supports the sandwiched portion 6 that extends toward the mesh body 4 There is 11.

[0029]   Is integrally formed with the channel section 5 and extends inwardly from the channel section 5. The lip portion 12 which forms the hollow portion 13 together with the wall portion 9. This hollow portion 13 is a holding member 7. And the edge of the net body 4 are accommodated. The lip portion 12 abuts against the holding member 7 and holds it. Helps to keep the pinching portion 6 and the pinching member 7 in parallel between.

[0030]   Furthermore, the clamping member 7 may cover the head of each fastener 8 in the form of a pop rivet. Extending parallel to the longitudinal direction of the pinching member 7 to attach the flexible cover strip 16 It has two slots 14, 15.

[0031]   As shown in Fig. 3, at the corners of the frame 2, the two jointed frames are With the hooking member 10 for the corners inserted into the channel section 5 of the boom member 3, Two frame members 3 are attached to each other. Next, the frame member 3 and the corners A hole is perforated at the edge of the hook member 10. Next, set each frame member 3 A pop rivet 17 is inserted so as to be fixed to the hanging member 10.

[0032]   4 is the same as that of the first embodiment shown in FIG. 2, but also on the lower side of the holding member 7. A second embodiment is shown in which serrated teeth are formed.   The upper side surface of the sandwiching portion 6 and the saw teeth on the lower side of the sandwiching member 7 cooperate to form a mesh body. 4 is held firmly on the frame member 3. The fastener 8 is a holding member with respect to the holding portion 6. As a result of holding the 7 in place, the net can withstand considerable impact and Cannot be withdrawn.

[0033]   In FIG. 4, the lip 12 ends with a hook 18. This hook 18 is slot 1 By being seated on 9, the holding member 7 is fixedly arranged with respect to the frame member 3. Above Providing a pivot point for the clamping member 7 by combining the hook and the slot As a result, a strong lever type clamping for the net body 4 is provided.

[0034]   The second embodiment, also shown in FIG. 5, is a tape 20 covering the edge strips of the mesh 4. Has been added. The inventor has found that stainless steel nets and aluminum frames It has been found that corrosion can occur at points of contact with the dome. For this problem, no electricity Work around with strips of plastic tape such as edge tape.

[0035]   When used, the intruder prevention screen door 1 is attached to the hinge of the doorway, or optional Can be fixed to the window frame in a known manner. The net body 4 makes it difficult for an intruder to enter. It Due to the degree of meshing that also provides insect protection, an opening large enough to allow entry is a saw or Is not easily cut and formed by a bolt cutter. Further stainless These difficulties for possible intruders are further compounded when stainless steel nets 4 are used. Can be enhanced. This is because stainless steel has the property of making the cutting tool less sharp. is there.

[0036]   Clamping the net provides additional resistance to intruders. Wall 9 is a doorway Is the fastener 8 concealed from possible intruders because it is located outside the window? It is. When viewed from the inside, the fastener 8 is a color-matching cover for the holding member 7. Concealed by bar strip 16.

[0037]   Although the present invention has been described in terms of a preferred embodiment, the invention is not limited to the features described herein. It is understood that the invention is not limited to the fixed examples.

[0038]

[Effect of device]

  A net is provided that is not destroyed by intruders. The mesh spacing of the present invention Insect protection can be performed at the same time as preventing the intruder from entering.

[Brief description of drawings]

FIG. 1 is a perspective view of an intruder prevention screen door.

FIG. 2 is a sectional view taken along line AA of FIG. 1 showing an embodiment of the present invention.

3 is an exploded perspective view showing how the frame member of FIG. 2 forms a corner.

FIG. 4 is a sectional view similar to FIG. 2, showing a second embodiment of the present invention.

FIG. 5 is a sectional view similar to FIG. 2, showing a third embodiment of the present invention.

[Explanation of symbols]

2 ... Frame, 3 ... Frame member, 4 ... Net body, 5 ... Channel section, 7 ... Clamping member, 9 ... Wall part, 10 ... Corner corner locking member, 11 ... Flange part, 12 ... Lip part, 13 … Hollow part.

   ─────────────────────────────────────────────────── ─── Continued front page    (73) Utility model holder 502269295             Norman Cecil Waterman             Norman Cecil Waterm             an             Australia 4116 Queens Run             De Calumale Cottonwood             Lessent 9 (72) Creator Stephen John Brabeck             Australia 4280 Queens Run             Dom Jim Boom Balance Bar Clos             Do 65 (72) Creator Peter Alexander Bowma             Australia 4114 Queens Run             Logan City Marloast             REIT Unit 117/17

Claims (11)

[Scope of utility model registration request] 1. A frame formed from an elongated frame member having a channel section that engages with a hook member for a corner at each end, and a holding section separated from the channel section, An intruder-preventing woven wire netting body provided on the sandwiching portion while covering the opening surrounded by the frame, and the sandwiching portion and the sandwiching member by lever-type sandwiching action in cooperation with each fastening means. And a plurality of holding members for holding the net body therebetween, wherein the holding portion has a serrated contour on a surface adjacent to the holding member. 2. The intruder screen according to claim 1, wherein the holding member has a saw-toothed contour on a surface adjacent to the holding portion. 3. The intruder screen according to claim 1, wherein each of the holding portions is supported by a flange portion at an end portion of a wall portion extending from the channel section. 4. The screen door for intruder prevention according to claim 1, wherein the holding member and the holding portion extend along a longitudinal direction of each frame member. 5. A screen door for intruder prevention according to claim 1, wherein an interval between adjacent weft yarns or adjacent warp yarns of the net body is 2.2 mm or less. 6. The screen door for intruder prevention according to claim 5, wherein the distance is in the range of 1 mm to 2.1 mm. 7. The intruder-preventing screen door according to claim 1, wherein the frame member is a long-sized extruded aluminum. 8. The intruder screen according to claim 1, further comprising a lip portion formed integrally with the channel section and extending from the channel section to the inside of the screen section. 9. The intruder screen according to claim 8, wherein the lip portion and the wall portion form a hollow portion together with the wall portion of the channel section, and the hollow portion accommodates an edge portion of the holding member. . 10. The lip portion is in contact with the holding member,
The screen door for intruder prevention according to claim 8, which facilitates maintaining the sandwiching portion and the sandwiching member in parallel during sandwiching. 11. The lip portion has a hook shape.
Screen for preventing intruders described in.