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WO1991008364A1 - Striking plate - Google Patents

Striking plate Download PDF

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Publication number
WO1991008364A1
WO1991008364A1 PCT/SE1990/000777 SE9000777W WO9108364A1 WO 1991008364 A1 WO1991008364 A1 WO 1991008364A1 SE 9000777 W SE9000777 W SE 9000777W WO 9108364 A1 WO9108364 A1 WO 9108364A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
box
striker plate
striker
frame
Prior art date
Application number
PCT/SE1990/000777
Other languages
French (fr)
Inventor
Raymond Dziobek
Original Assignee
Pelly Industri Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pelly Industri Ab filed Critical Pelly Industri Ab
Publication of WO1991008364A1 publication Critical patent/WO1991008364A1/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205Striking-plates, keepers, staples

Definitions

  • the present invention relates to a striker plate which comprises a plate intended to abut against or be recessed in a surface on a door frame facing the edge of a door leaf, the plate having at least one aperture for accom ⁇ modating a dead bolt projecting from a lock mounted in a door leaf, and a box which is recessed in the frame and is of one-piece manufacture with the plate.
  • Striker plates of many different types are previously known in this art, in which the striker plate has a plate which is intended to abut against or be recessed in that surface on a door frame which faces the edge surface of a closed door. From the inside of this plate, there then ex ⁇ tends a box recessed in the door frame and either of one- piece manufacture with the plate (see for example Swiss Patent Specification No. 485 936), or which may be pro ⁇ quizzed as a separate part which is, for instance by weld- ing, subsequently secured in the plate.
  • the present invention has for its object to re- alize a striker plate which may be manufactured in a simple and rational manner, while at the same time achiev ⁇ ing superior mechanical strength and thereby providing a major obstacle to attempted break-in.
  • the present invention has for its object to realize a striker plate which is designed in such a manner that it offers maximum difficulty in separating the plate of the striker plate from its box.
  • the invention further has for its ob ⁇ ject to realize a striker plate which may be anchored in the door frame also to that side of the door frame which faces an adjacent wall.
  • the present invention has for its object to realize a striker plate which may read ⁇ ily be modified so that it can be adapted to different in ⁇ stallation dimensions of the lock in the thickness di ⁇ rection of the door.
  • the striker plate disclosed by way of introduction is characterized in that the plate consists, at least along that edge portion which faces away from the abutment surface of the frame, of portions with double folded sheet material, the leading wall of the box being recurved from the interior of these sheet portions.
  • the box also has a rear wall with a recurved foot which abuts against and, for example by welding, is se ⁇ cured to the inside of the plate.
  • a mounting plate which extends approximately parallel to the plate and is intended to be anchored to the inside of the frame.
  • the striker plate may readily be adapted, with retained basic design and construction, to different installation posi ⁇ tions of the lock in the thickness direction of the door.
  • Fig. 1 is a side elevation of a first embodiment of the striker plate
  • Fig. 2 is an end elevation of the striker plate of Fig. 1 mounted in a door frame shown in cross-section; is a section taken along the line A-A in Fig. 1; is a view corresponding to that of Fig. 1 of a modified embodiment of the striker plate; is a top plan view of an adjuster plate employed in the striker plate according to Fig. 4; is a view corresponding to Fig. 2 of the striker plate according to Fig. 4; and is a top plan view of a mounting plate employed in connection with the striker plate according to Figs. 4 and 6.
  • Fig. 2 shows a horizontal section through a door frame 2 with an abutment surface 4 against which a door will come into abutment when the door is closed.
  • the same Figure also shows an end elevation of a striker plate designed according to the present invention, the plate having an outside 10 by which is meant that side which is turned to face the edge surface of a door when the door is closed.
  • the inside 11 of the striker plate is turned to face away from the edge surface of the door and faces towards a wall (not shown) surrounding the door frame 2.
  • reference numeral 9 refers to the forward edge of the striker plate, while reference numeral 8 designates its rear edge.
  • the striker plate is provided, in a per se known manner, with a plate 1 which constitutes the outside 10 of the striker plate. Further, the striker plate is provided, in a conventional manner, with a box 3 on the inside of the plate 1 , the box being recessed in a corresponding aperture in the door frame 2. This aperture may possibly be a through passage so that it extends through the door frame to its inside 17.
  • This wall will hereby be trans ⁇ versely directed, possibly at right angles to the plate 1 and has, at its edge most proximal the plate, a recurve which forms a foot 7 which abuts against the rear side of the plate 1 (its outer material layer) .
  • the foot 7 will be, in the vertical direction of the striker plate, of elongate configuration and connect to the rear edge portion 8 of the striker plate so that this will also have double material thickness.
  • the striker plate has, in this re ⁇ gion, gently arched contours which defy a firm grip for a burglary tool such as a chisel.
  • the above-described design of the striker plate is not only favourable from the point of view of mechanical strength, but also entails that the material thickness of the single material layer may possibly be less than is the case in a conventional striker plate without any conse ⁇ quential reduction of mechanical strength as compared with the conventional striker plate.
  • the box 3 is of quite considerable length, for which reason this will have, seen from the end, the form of an approximately U-shaped recess seen in cross-section, being open at the end walls of the box.
  • the plate consists of double material, first along the forward edge portion 9, secondly along the foot portion 7 of the box at the rear edge portion 8 of the plate, and thirdly along the short ends of the box with the double material portions 5 there displayed, which offer a high degree of rigidification of the plate if this were to be longer than shown in the Figure.
  • the plate is pro ⁇ vided, in direct connection with the short ends of the box 3, with narrow transverse portions 16 of single material. However, these extend in a direction towards the forward edge 9 of the plate no further than flush with the forward wall 14 of the box 3.
  • At least the bottom 15 of the box 3 is provided with threaded holes or bushings 12 for accommodating threaded pins 19 (see Fig. 6) which are in ⁇ tended to extend through the inner wall 13 of the door frame 2 in order to abut against an adjacent surface of a wall or wall stud surrounding the frame.
  • recesses 33 in the plate are illustrated at the transition between the forward edge of the box 3 and the plate 1. These recesses serve to permit access of adjust- ment tongues against which the dead bolts of the lock abut in the closed position of the door, and which, by bending in a "rearward-forward" direction, are intended to be brought into such positions that the door has no clearance when closed.
  • These locking tongues are realized by ap- proximately U-shaped slots in the forward wall 14 of the box 3, the bottom of the U being approximately parallel to the plate 1 and located closely inside the plate.
  • Figs. 4 and 6 show a striker plate which is modified in relation to the above-described striker plate.
  • the striker plate according to Figs. 4 and 6 is provided with a separate adjustment plate 20 which is shown in plan view in Fig. 5.
  • the adjustment plate 20 is provided with an in ⁇ ner edge 21 with projecting studs 22 which extend through corresponding apertures in the bottom 15 of the box.
  • the studs 22 and the apertures in the bot ⁇ tom 15 of the box constitute guide means which localise the adjustment plate 20.
  • this is provided, on its inner edge, with spigots 23 by means of which it is fixedly welded in the bottom 15.
  • the outer edge 24 of the adjustment plate 20 is provided with upper and lower end portions 25 which are accommodated in corresponding reces ⁇ ses in the plate 1 so that, thereby, the outer edge of the adjustment plate 24 will be positionally fixed in the breadth direction (in the forward-rearward direction) of the striker plate.
  • the adjustment plate 20 will be approximately parallel to the forward wall 14 of the box 3.
  • the adjustment plate 20 also serves the purpose of adjusting the striker plate in such a manner that the clearance will be insig ⁇ nificant between a dead bolt engaging in the striker plate and the striker plate proper, this preventing the closed door from rattling in the lock.
  • the adjustment plate is provided, starting from its for- ward edge 24, with transversely directed slots 26 which form flexible adjustment tongues 27.
  • These adjustment ton ⁇ gues 27 are to be bent in a direction towards or away from the forward wall 14 of the box in order to realise the above-mentioned adjustment.
  • the striker plate according to Figs. 4 and 6 will be of superior mechanical strength in relation to the striker plate according to Figs. 1-3, in which the ad- justment tongues are directly punched out in the forward wall 14 of the box 3.
  • the broken lines 2 intimate the outer contour of that door frame in which the striker plate according to the present invention is mounted.
  • the striker plate is provided, on its inner side and in cooperation with the bottom wall 15 of the box 3, with a mounting plate 28 which abuts against the inside 17 of the frame 2 or which is recessed there- in.
  • the mounting plate 28 is ideally located in that space which is formed between the inside of the frame 2 and a wall surface in association with the frame.
  • the mounting plate 28 is provided with apertures 29 by the intermediary of which it may be screwed in place in the frame 2.
  • the mounting plate 28 may be secured in the striker plate in a plurality of al ⁇ ternative ways, but, in order to permit mounting, the mounting plate must be capable of being retrofitted once the striker plate has been placed in its aperture provided in the door frame 2 or, alternatively, pivoted in relation to the striker plate so that it may be slid through the aperture of the box in the frame and placed on the inside thereof when the striker plate is mounted.
  • the bottom wall 15 in the box of the striker plate be provided with slot-shaped apertures 30 extending in the vertical direction, through which ap ⁇ proximately Z-shaped bent anchorage tongues 31 may be hooked onto the mounting plate 28.
  • the an ⁇ chorage tongues 31 will, in the assembled state, be loc ⁇ ated interiorly in the box and abut against the outside of the bottom 15 of the box, while the outside of the major portion of the mounting plate 28 proper will abut partly against the inside of the bottom of the box and partly ag ⁇ ainst the frame 2.
  • the apertures designated 32 in Fig. 4 are located in line with the bushings 12 and serve as a passage for a turning tool for manoeuvring the threaded pins 17.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

A striker plate adapted for being mounted in a door frame (2) has a plate (1) intended to abut against or be recessed in the door frame (2) and the plate has at least one aperture for a dead bolt. Further, the striker plate has a box (3) received in a corresponding recess in the door frame. To improve the burglary preventive effect the plate (1) and the box (3) are made from one integral piece metal sheet material. By this means the plate (1) has a double-folded front edge portion (9) the inner material layer thereof integrally connects, via a bent portion, to the front surface of the box (3).

Description

STRIKING PLATE. TECHNICAL FIELD
The present invention relates to a striker plate which comprises a plate intended to abut against or be recessed in a surface on a door frame facing the edge of a door leaf, the plate having at least one aperture for accom¬ modating a dead bolt projecting from a lock mounted in a door leaf, and a box which is recessed in the frame and is of one-piece manufacture with the plate.
BACKGROUND ART
Striker plates of many different types are previously known in this art, in which the striker plate has a plate which is intended to abut against or be recessed in that surface on a door frame which faces the edge surface of a closed door. From the inside of this plate, there then ex¬ tends a box recessed in the door frame and either of one- piece manufacture with the plate (see for example Swiss Patent Specification No. 485 936), or which may be pro¬ duced as a separate part which is, for instance by weld- ing, subsequently secured in the plate.
In the joining together of a striker plate of two separate parts by welding, there is always a certain risk that the weld joint obtained does not achieve the requisite qual- ity. This naturally implies a weakening of the welded joint. Furthermore, such manufacture using two separate parts requires that these parts be accurately positionally fixed in relation to one another in connection with the welding operation proper. Naturally, this entails extra complications in the manufacturing process. The striker plate constitutes a vital part of active bur¬ glar deterrent systems, for which reason it is crucial that reliable quality and maximum mechanical strength - and not least also retention powers in the frame - can be achieved.
PROBLEM STRUCTURE
Therefore, the present invention has for its object to re- alize a striker plate which may be manufactured in a simple and rational manner, while at the same time achiev¬ ing superior mechanical strength and thereby providing a major obstacle to attempted break-in. In particular, the present invention has for its object to realize a striker plate which is designed in such a manner that it offers maximum difficulty in separating the plate of the striker plate from its box. The invention further has for its ob¬ ject to realize a striker plate which may be anchored in the door frame also to that side of the door frame which faces an adjacent wall. Finally, the present invention has for its object to realize a striker plate which may read¬ ily be modified so that it can be adapted to different in¬ stallation dimensions of the lock in the thickness di¬ rection of the door.
SOLUTION
The objects forming the basis of the present invention will be attained if the striker plate disclosed by way of introduction is characterized in that the plate consists, at least along that edge portion which faces away from the abutment surface of the frame, of portions with double folded sheet material, the leading wall of the box being recurved from the interior of these sheet portions.
According to one preferred embodiment of the present in¬ vention, the box also has a rear wall with a recurved foot which abuts against and, for example by welding, is se¬ cured to the inside of the plate. The above-mentioned design and construction features af ford the advantage of maximum mechanical strength in th joining between the plate and the box, and moreover, joining which offers no indications of fracture or points of attack for any burglary tool.
According to the present invention, it further suitably applies that there is secured, in the bottom of the box, a mounting plate which extends approximately parallel to the plate and is intended to be anchored to the inside of the frame.
These design and construction features afford the major advantage that the striker plate will be anchored in the frame with considerably greater mechanical strength.
According to another embodiment of the present invention, there is disposed, interiorly in the box and approximately parallel to the forward wall thereof, an adjustment plate against whose rear face the dead bolt of the lock is intended to abut in the locked position of the lock.
By the employment of such a separate adjustment plate, the striker plate may readily be adapted, with retained basic design and construction, to different installation posi¬ tions of the lock in the thickness direction of the door.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
The present invention will now be described in greater de¬ tail hereinbelow, with particular reference to the accom¬ panying Drawings. In the accompanying Drawings:
Fig. 1 is a side elevation of a first embodiment of the striker plate; Fig. 2 is an end elevation of the striker plate of Fig. 1 mounted in a door frame shown in cross-section; is a section taken along the line A-A in Fig. 1; is a view corresponding to that of Fig. 1 of a modified embodiment of the striker plate; is a top plan view of an adjuster plate employed in the striker plate according to Fig. 4; is a view corresponding to Fig. 2 of the striker plate according to Fig. 4; and
Figure imgf000006_0001
is a top plan view of a mounting plate employed in connection with the striker plate according to Figs. 4 and 6.
DESCRIPTION OF PREFERRED EMBODIMENT
Fig. 2 shows a horizontal section through a door frame 2 with an abutment surface 4 against which a door will come into abutment when the door is closed. The same Figure also shows an end elevation of a striker plate designed according to the present invention, the plate having an outside 10 by which is meant that side which is turned to face the edge surface of a door when the door is closed. The inside 11 of the striker plate is turned to face away from the edge surface of the door and faces towards a wall (not shown) surrounding the door frame 2. Furthermore, reference numeral 9 refers to the forward edge of the striker plate, while reference numeral 8 designates its rear edge.
Analogous with that described above, of the arrows illus¬ trated in Fig. 2, the arrow 8A is deemed to show the "rearward" direction, the arrow 9A the "forward" direc¬ tion, the arrow 10A the "outward" direction, while the ar¬ row 11A indicates the "inward" direction.
It will be apparent from Fig. 2 that the striker plate is provided, in a per se known manner, with a plate 1 which constitutes the outside 10 of the striker plate. Further, the striker plate is provided, in a conventional manner, with a box 3 on the inside of the plate 1 , the box being recessed in a corresponding aperture in the door frame 2. This aperture may possibly be a through passage so that it extends through the door frame to its inside 17.
It will be apparent from a combination of Figs. 2 and 3 that those parts of the plate 1 which are not covered on the inside by the box 3 consist of double layers of sheet material 5 which, at the forward edge 9 of the plate, are united in one piece by means of a double bend in the sheet material disposed at this point. Hereby, the plate will, at its foward edge 9 partly have a gently rounded edge and partly an edge portion of generally large material thick- ness, and thereby good mechanical strength.
From the inner layer of material 18 at the forward edge portion 9 of the plate 1, there is a recurved, preferably transversely directed or even normally directed sheet portion which forms the forward wall 14 of the box 3. At the inner edge of the forward wall of the box, there is provided a bottom or inner wall 15 to the box by means of a new, approximately transversely directed or right-angled bend. This bottom 15 extends hereby approximately parallel to the plate 1. The rear edge of the bottom 15 merges, by the intermediary of an additional bend, into the back or rear wall 6 of the box. This wall will hereby be trans¬ versely directed, possibly at right angles to the plate 1 and has, at its edge most proximal the plate, a recurve which forms a foot 7 which abuts against the rear side of the plate 1 (its outer material layer) . In such instance, the foot 7 will be, in the vertical direction of the striker plate, of elongate configuration and connect to the rear edge portion 8 of the striker plate so that this will also have double material thickness. It will be apparent from the above description of the plate 1 and the box 3, as well as from the production of the components thereof, that the striker plate is produced from a single continuous material piece. This affords major mechanical strength advantages in that the most vul¬ nerable portion of the striker plate in connection with attempted burglary, i.e. the forward edge portion of the plate and the transition region between the plate and the forward wall of the box, suffers from no weakening joints. Furthermore, the striker plate has, in this re¬ gion, gently arched contours which defy a firm grip for a burglary tool such as a chisel.
The above-described design of the striker plate is not only favourable from the point of view of mechanical strength, but also entails that the material thickness of the single material layer may possibly be less than is the case in a conventional striker plate without any conse¬ quential reduction of mechanical strength as compared with the conventional striker plate.
It will be apparent from Fig. 1 that the box 3 is of quite considerable length, for which reason this will have, seen from the end, the form of an approximately U-shaped recess seen in cross-section, being open at the end walls of the box. It will also be apparent from this Figure that the plate consists of double material, first along the forward edge portion 9, secondly along the foot portion 7 of the box at the rear edge portion 8 of the plate, and thirdly along the short ends of the box with the double material portions 5 there displayed, which offer a high degree of rigidification of the plate if this were to be longer than shown in the Figure.
For reasons of production engineering, the plate is pro¬ vided, in direct connection with the short ends of the box 3, with narrow transverse portions 16 of single material. However, these extend in a direction towards the forward edge 9 of the plate no further than flush with the forward wall 14 of the box 3.
In a conventional manner, at least the bottom 15 of the box 3 is provided with threaded holes or bushings 12 for accommodating threaded pins 19 (see Fig. 6) which are in¬ tended to extend through the inner wall 13 of the door frame 2 in order to abut against an adjacent surface of a wall or wall stud surrounding the frame.
As will be apparent from Figs. 2 and 3, the above- mentioned bushings are provided about these holes 12 in one piece with the bottom 15 of the box 3, the bushings increasing the engagement length of the threaded pins 19.
In Fig. 1, recesses 33 in the plate are illustrated at the transition between the forward edge of the box 3 and the plate 1. These recesses serve to permit access of adjust- ment tongues against which the dead bolts of the lock abut in the closed position of the door, and which, by bending in a "rearward-forward" direction, are intended to be brought into such positions that the door has no clearance when closed. These locking tongues are realized by ap- proximately U-shaped slots in the forward wall 14 of the box 3, the bottom of the U being approximately parallel to the plate 1 and located closely inside the plate.
DESCRIPTION OF ALTERNATIVE EMBODIMENTS
Figs. 4 and 6 show a striker plate which is modified in relation to the above-described striker plate. Thus, the striker plate according to Figs. 4 and 6 is provided with a separate adjustment plate 20 which is shown in plan view in Fig. 5. The adjustment plate 20 is provided with an in¬ ner edge 21 with projecting studs 22 which extend through corresponding apertures in the bottom 15 of the box. In this instance, the studs 22 and the apertures in the bot¬ tom 15 of the box constitute guide means which localise the adjustment plate 20. In order, in addition, to pos¬ itionally fix the adjustment plate 20, this is provided, on its inner edge, with spigots 23 by means of which it is fixedly welded in the bottom 15. The outer edge 24 of the adjustment plate 20 is provided with upper and lower end portions 25 which are accommodated in corresponding reces¬ ses in the plate 1 so that, thereby, the outer edge of the adjustment plate 24 will be positionally fixed in the breadth direction (in the forward-rearward direction) of the striker plate. Hereby, the adjustment plate 20 will be approximately parallel to the forward wall 14 of the box 3.
In order to permit an adaptation of the striker plate ac¬ cording to Figs. 4 and 6 to different lock mountings or different lock designs in which the distance between the forward edge of the dead bolt and the outside of the door (measured in the direction of thickness of the door) may vary, it is possible, according to the present invention, to place the adjustment plate 20 in a plurality of dif¬ ferent alternative positions, from the position illus¬ trated in Fig. 6 selected to be adjacent the forward wall 14, to a position at a relatively large distance from the forward wall, considerably more proximal the rear wall 6.
In addition to this adaptation function, the adjustment plate 20 also serves the purpose of adjusting the striker plate in such a manner that the clearance will be insig¬ nificant between a dead bolt engaging in the striker plate and the striker plate proper, this preventing the closed door from rattling in the lock. In order to achieve this, the adjustment plate is provided, starting from its for- ward edge 24, with transversely directed slots 26 which form flexible adjustment tongues 27. These adjustment ton¬ gues 27 are to be bent in a direction towards or away from the forward wall 14 of the box in order to realise the above-mentioned adjustment. By providing the adjustment tongues 27 in a separate ad¬ justment plate, the striker plate according to Figs. 4 and 6 will be of superior mechanical strength in relation to the striker plate according to Figs. 1-3, in which the ad- justment tongues are directly punched out in the forward wall 14 of the box 3.
In Fig. 6, the broken lines 2 intimate the outer contour of that door frame in which the striker plate according to the present invention is mounted. It will also be apparent from the Figure that the striker plate is provided, on its inner side and in cooperation with the bottom wall 15 of the box 3, with a mounting plate 28 which abuts against the inside 17 of the frame 2 or which is recessed there- in. Hence, the mounting plate 28 is ideally located in that space which is formed between the inside of the frame 2 and a wall surface in association with the frame. As is apparent from Fig. 7, the mounting plate 28 is provided with apertures 29 by the intermediary of which it may be screwed in place in the frame 2.
According to the present invention, the mounting plate 28 may be secured in the striker plate in a plurality of al¬ ternative ways, but, in order to permit mounting, the mounting plate must be capable of being retrofitted once the striker plate has been placed in its aperture provided in the door frame 2 or, alternatively, pivoted in relation to the striker plate so that it may be slid through the aperture of the box in the frame and placed on the inside thereof when the striker plate is mounted. To this end, it is appropriate if the bottom wall 15 in the box of the striker plate be provided with slot-shaped apertures 30 extending in the vertical direction, through which ap¬ proximately Z-shaped bent anchorage tongues 31 may be hooked onto the mounting plate 28. The anchorage tongues 31 illustrated in Fig. 7 are located approximately paral¬ lel to the plane of extent of the major portion of the mounting plate 28, but at least one material thickness behind the plan of the Drawing of Fig. 7. Hereby, the an¬ chorage tongues 31 will, in the assembled state, be loc¬ ated interiorly in the box and abut against the outside of the bottom 15 of the box, while the outside of the major portion of the mounting plate 28 proper will abut partly against the inside of the bottom of the box and partly ag¬ ainst the frame 2.
The apertures designated 32 in Fig. 4 are located in line with the bushings 12 and serve as a passage for a turning tool for manoeuvring the threaded pins 17.
The present invention may be further modified without de¬ parting from the spirit and scope of the appended Claims.

Claims

1. A striker plate comprising a plate (1) intended to abut against or be recessed in a surface of a door frame (2) facing a door leaf, the plate being provided with at least one aperture for accommodating a dead bolt projecting from a lock disposed in the door leaf, and a box (3) which is recessed in the frame and of one-piece manufacture with the plate, characterized in that the plate (1) consists, at least along that edge portion (9) which is turned to face away from the abutment surface (4) of the frame (2), of portions of double-folded sheet material, the forward wall (14) of the box (3) being recurved from the interior of these sheet portions.
2. The striker plate as claimed in Claim 1, characterized in that the box (3) is provided with a rear wall (6) with a recurved foot portion (7) abuttting against and, for in¬ stance by welding, secured in the inside of the plate (1).
3. The striker plate as claimed in Claim 1 or 2, charac- terized in that there is secured, in the bottom (15) of the box (3), a mounting plate (28) which extends approxi¬ mately parallel to the plate (1) and is intended to be secured in the inside of the frame (2).
4. The striker plate as claimed in Claim 3, characterized in that the bottom (15) of the box (3) is provided with at least one longitudinal slot (30) through which extends an approximately Z-shaped bent tongue (31) on the mounting plate (28) for anchorage thereof in the striker plate.
5. The striker plate as claimed in any one of Claims 1-4, characterized in that there is provided, interiorly in the box (3) and approximately parallel to the forward wall (14) thereof, an adjustment plate (20) against whose rear face the dead bolt of the lock is intended to abut in the locked position of the lock.
6. The striker plate as claimed in Claim 5, characterized in that the outer edge portion (25) of the adjustment plate (20) is accommodated in a corresponding slot in the plate (1) ; and that the inner edge portion thereof is secured in the bottom (15) of the box (3).
7. The striker plate as claimed in Claim 5 or 6, charac¬ terized in that the adjustment plate (20) is provided, in an outer edge portion, with slots (26) which extend trans- versely from one outer edge (24) so that there are formed, between adjacent slots, adjustment tongues (27) adjustable by flexion.
8. The striker plate as claimed in any one of Claims 1-7, characterized in that the bottom (15) of the box (3) is provided with threaded holes or bushings (12) for co¬ operation with threaded pins (19) which are intended to abut against a wall surrounding the door frame in a manner which buttresses the door frame (2).
PCT/SE1990/000777 1989-11-27 1990-11-26 Striking plate WO1991008364A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8903991-1 1989-11-27
SE8903991A SE8903991D0 (en) 1989-11-27 1989-11-27 strikes

Publications (1)

Publication Number Publication Date
WO1991008364A1 true WO1991008364A1 (en) 1991-06-13

Family

ID=20377605

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1990/000777 WO1991008364A1 (en) 1989-11-27 1990-11-26 Striking plate

Country Status (2)

Country Link
SE (1) SE8903991D0 (en)
WO (1) WO1991008364A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566995A (en) * 1995-04-28 1996-10-22 Mercury Enterprises, Inc. Door security system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB139548A (en) * 1919-01-06 1920-03-11 Samuel Rowland Parkes Improvements in lock staples and in the manufacture of the same
FR2457363A1 (en) * 1979-05-22 1980-12-19 Chauvat & Sofranq Reunis Door catch for wooden door frames - has anchorage claws which cooperate with notches in door jamb
DE2946933A1 (en) * 1979-11-21 1981-05-27 Fa. Wilhelm Dörrenhaus, 5620 Velbert Wooden door security striking plate - has full length fish-plate forming box cavity, with screw holes and fixing claw

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB139548A (en) * 1919-01-06 1920-03-11 Samuel Rowland Parkes Improvements in lock staples and in the manufacture of the same
FR2457363A1 (en) * 1979-05-22 1980-12-19 Chauvat & Sofranq Reunis Door catch for wooden door frames - has anchorage claws which cooperate with notches in door jamb
DE2946933A1 (en) * 1979-11-21 1981-05-27 Fa. Wilhelm Dörrenhaus, 5620 Velbert Wooden door security striking plate - has full length fish-plate forming box cavity, with screw holes and fixing claw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566995A (en) * 1995-04-28 1996-10-22 Mercury Enterprises, Inc. Door security system

Also Published As

Publication number Publication date
SE8903991D0 (en) 1989-11-27

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