CN101262800A - Display rod security device - Google Patents

Abstract

A security device is mounted on a merchandise display rod to prevent the removal of some items of merchandise from the rod and contains an alarm actuation device to sound the alarm at a security gate of a retail establishment is unlawfully passed through the gate. A pair of housing members are slidably joined and move between locked and unlocked positions. Each of the members is formed with a partial slot which align with each other when in the locked position to extend about the rod. A magnetically attractable lock member is mounted within one of the members and engages a locking projection formed in the other member to secure the members in a closed locked position on the rod. A magnetic key moves the lock member to an unlocked position to enable the members to move apart to an unlocked open position. The distal end of the rod is bent at an angle sufficient to prevent sliding removal of the security device from the rod when the members are in the locked position yet enables removal of several unprotected items of merchandise located forward of the lock mechanism from the rod.

Description

Display rod security device

Technical field

The present invention relates to a kind of safety device, particularly a kind ofly prevent that a large amount of commodity are by apace from showing shelf or the device from showing that bar is taken off or rather, particularly, the present invention relates to a kind of safety device that can easily install and be locked on the displaying bar, this safety device allows once to take off one or several commodity from shelf, but prevent that the thief from taking off a large amount of commodity from shelf, this safety device comprises a kind of alarm actuation device.

Background technology

A large amount of merchandise display that is used to sell is at the long displaying bar that stretches out, and these show that bar is to be supported by a supporting construction of joining link plate (pegboard), frid or other types.These bars are commonly referred in the art joins link plate or frid bar.A lot of commodity for example battery, small instruments and tools, tool fitting, film or other valuable relatively small goods are illustrated in the zone that client can take and directly take the cashier payment away.These small goods are suspended on by the bar that passes the single hole on its packing usually shows on the bar.Regrettably, these commodity are the targets of setting about easily to the thief, have been found that the thief can take all commodity away soon from joining on the link plate displaying bar, does not take away these commodity with not being found then, even perhaps by detector gate the time, be detected, arrest also very difficult.

A lot of devices have been devised to prevent that these from showing that the commodity on bars go adrift, and are for example at United States Patent (USP) 5,027, all on the books in 622,5,275,027,5,259,220,5,689,978,5,676,258,6,622,979,6,474,748.The device of putting down in writing in these patent documentations provides certain locking mechanism to prevent that any commodity are from showing that bar takes off at the end of showing bar.Its defective is to need client to get in touch the salesman, and the salesman must untie above-mentioned locking mechanism from the end of showing bar and could allow client take commodity away to buy.Have been found that owing to a lot of clients are unwilling to wait for or spended time goes to seek the salesman for the commodity that obtain to want and comes unlocked mechanism that the sales volume of commodity decreases.

The displaying bar of other kinds uses erose end on bar, this end makes the client can be by mobile commodity through along the circuitous circuit of the various bends of showing the bar far-end and from showing that bar takes off commodity.This is proved to be effect to a certain extent is gratifying, and it has improved the difficulty that the thief takes off shiploads of merchandise from the shelf apace.But commodity that if the thief uses very big strength to sweep across to show on the bar or a plurality of commodity strings are once being taken off a plurality of commodity from bar in the action together, this just can not stop the thief to take off all commodity from the displaying bar.

Another problem about this displaying bar is that the thief may take off whole displaying bar and be suspended on all commodity of showing on the bar from attachment structure, then the illegal area of these commodity far from the shop.In order to prevent this type of stealing, various devices are developed, and these devices are showing that rod lock is on its supporting construction.But, such protective device may not can always effectively and increased the cost of shop operation.

Therefore, in the present technique field, need provide a kind of, a large amount of commodity can't be taken off soon from showing on the bar like this, but the help that allows legal client to need not storekeeper or salesman just can be taken off the commodity of limited quantity from showing bar showing the safety device of bar.In addition, if illegally by it, this device will excite the alarm at safety door place.

Summary of the invention

The invention provides a kind of safety device that is used to show shelf, it is deposited by a plurality of on the straight length of the outwardly directed displaying bar from shelf and arranges simple, compact between the commodity and locking device very efficiently, and prevents to take off the commodity of being showed in a large number on the bar apace from showing.To allow client to take off like this and show commodity between the bar far-end at safety device, but prevent to take off commodity, be repositioned onto up to salesman's unlock device and with it after a plurality of commodity of having deposited or between safety device and displaying bar far-end and place new commodity to take away by client subsequently showing between shelf and the locking device.

Another aspect of the present invention is the structure that display rod security device is formed simple two combinations, the combination slidably of wherein a pair of member, all be formed with semicircular groove in each member, these grooves form a circular open when being in the Sealed lock allocation, show that bar extends through from this opening, and each member there are all enough straight lengths or structure to take off from the crooked end of showing bar preventing.

Another aspect of the present invention is that one of member for safety device provides a spring bias voltage locking component, and when described member moved to closing position, the locking projection that forms on described spring bias voltage locking component and another member engaged and locks joint.

Another feature of the present invention is to use a kind of material that has magnetic attraction to form locking component, when a magnetic key is placed on the ad-hoc location on the safety device, just locking component is moved to unlocked position thus, thereby make safety device can move to open position easily to take off this device from shelf and to be attached on it again subsequently.

Another aspect of the present invention is to make this two members with the plastic material of rigidity, this material is enough solid to prevent that the thief easily these two members separately, and described member can constitute with the parts of minimum number, safety device can relatively inexpensively to be produced in a large number, thereby to encourage tradespeople to use these devices in order reducing stolen.

Another feature of the present invention is in this safety device alarm actuation device to be installed, when safety device just sounds the alarm during by safety door, to prevent to steal whole displaying bar and top commodity.

Obtain these characteristics and advantage by safety device of the present invention, this safety device is applicable to and is installed on the bar that stretches out from merchandise display, described bar has the free end on the angled elongated portion that bends to bar, wherein said safety device comprises: first and second members, it engages slidably to move between locked, one of at least be formed with arcuate recess in described first and second members, the basic complementation of the elongated portion of described groove and bar also is suitable for admitting described elongated portion by it, safety device is fixed on the elongated portion of described bar, and when being in latched position, the free end of described bending prevents that safety device is removed from bar; With the locking component that has magnetic attraction, be used for first and second members are locked in latched position with respect to bar.

Description of drawings

Preferred embodiment of the present invention has showed that the applicant uses above-mentioned principle and the optimal mode that obtains, this embodiment will be elaborated respectively in ensuing specification and accompanying drawing and show, also will significantly and clearly be pointed out in appended claims and set forth.

Fig. 1 is the side view of safety device among the present invention, and this safety device is installed on the elongated linear part of an outwardly directed displaying bar of supporting construction.

Fig. 2 is the cutaway view of 2-2 hatching among Fig. 1.

Fig. 3 is the side view of the main casing member of this safety device.

Fig. 4 is the end-view of Fig. 3 middle shell.

Fig. 5 is the view of the locking component of the safety device that removes of the main casing member from Fig. 3 and Fig. 4.

Fig. 6 is the end-view of locking component among Fig. 5.

Fig. 7 is the amplification view along Fig. 1 section line 7-7, illustrates to show the safety device that is in latched position on the bar.

But Fig. 7 A is the perspective view of locking component of the magnetic attraction of safety device.

Fig. 8 is the partial side view similar to Fig. 1, has been depicted as this safety device of release and the magnetic key that engages with safety device.

Fig. 9 is along the cutaway view of hatching 9-9 among Fig. 8.

Figure 10 is the cutaway view similar to Fig. 7, has shown that will lock gear piece (tine) under the effect of magnetic key moves to unlocked position.

Figure 11 illustrates the cutaway view of this safety device under the released state of opening,

In institute's drawings attached, similar label refers to similar parts.

The specific embodiment

Safety device of the present invention is overall represents that as shown in fig. 1, this safety device is installed on the merchandise display bar 3 with 1, and this displaying bar is protruding and by additional mounting mechanism 7 attachings thereon from a stayed surface 5 in the mode of similar cantilever.Additional mounting mechanism 7 can use various types of structures, when it is attached to supporting construction 5, can prevent from not have considerable operation just to take off the displaying bar from it, perhaps sounding the alarm prevents that the thief is displaying bar 3 and hang over all top extensive stocks 9 and all take off.Yet, according to a feature of the present invention, the demand for the additional mounting mechanism 7 that compares expensive types can be avoided or reduce to the above-mentioned use that has the safety device 1 of internal alarm device excitation apparatus fully, can use simple hooked end or other arrangement form that bar is attached to supporting construction 5.

Show the preferably metal parts of a rigid cylindrical of bar 3, it has straight substantially, elongated linear 11, and this section ends at crooked far-end 13.Commodity 9 can be blister pack 15 or the other types container that holds certain commodity.Above-mentioned packing is suspended on by a flat card-like section 17 shows on the bar 3, forms porosely 19 in this section 17, shows that bar 3 passes this hole extension.The concrete arrangement form of commodity 9 can alter a great deal, but the opening that is formed with certain groove shape or circle in the top usually can pass displaying bar 3, so just allows commodity to slide to the direction of arrow A indication to take off from its free distal end 13.

Specifically shown in Fig. 3-7, it comprises a locking housing 20 to safety device 1, and this housing is formed by two members 21 and 23, these two member combinations slidably in the time of in the state that assembles.Housing member 21 (Fig. 3 and Fig. 4) constitutes the main casing of safety device 1.This housing member 21 is preferably rectangle, and is formed with hollow inside 25, is that the open top 26 of rectangular shape visits this inside substantially by one.An elongated slot 28 is formed in each relative sidewall 29 and 30, and stops at semicircular-shaped lower portion 31 places.A plurality of locator protrusions 32 are formed in the sidewall 29 and end wall 36 of housing member 21, and its function will be discussed below.Housing member 21 is preferably made by rigidity plastics, and can make different colors according to specific retailer's hope, and can have printed labels on it.

Another critical piece of housing 20 is a locking component 23.Locking component 23 (Fig. 5 and Fig. 6) is the member of an integral type and preferably made by rigidity plastics, has the top seal part 39 of rectangle substantially and from its lock bracket that extends outward 41.As shown in Figure 7, when two housing members 21 and 23 are in when engaging the position, the semicircular elongated arcuate recess 43 of cardinal principle is formed in the bottom side surface of top seal part 39, and align with the groove 31 of housing member 21 and form a circular open 44, to admit and to block the straightway 11 of showing bar 3 therein.When above-mentioned two housing members were in the lock-out state of sealing, a plurality of recesses 37 were formed on and admit locator protrusions 32 in the top seal part 39.The diameter of bar admittance opening 44 is variable and does not need external diameter such as shown in drawings and bar section 11 just in time to mate, preferably closely do not engage with the displaying bar.Preferably opening 44 is bigger slightly to adapt to the shank diameter of various sizes than the diameter of showing bar, this safety device can be slided along straight line pole section 11, but also want enough little its curved bar end 13 of going for a stroll that prevents to move, and takes away from showing bar to prevent it.When locking component 23 is slidably inserted into the inner space 25 of locking housing 21, it is complementary that the thickness and the thickness as shown in Figure 5 of the hollow inside 25 of the thickness of housing member 23 of Lock Part of safety device 1 and housing are provided as shown in Figure 6, so that be slidingly matched with as shown in Figure 7 hollow inside 25.

According to a concrete feature of the present invention as shown in Figure 7, an alarm actuation device 45 is fixed on compartment 46 inside, and this compartment is formed in the part of enclosure interior 25.Compartment 46 is formed by one of housing end wall 36 and partition walls 47.Alarm actuation device 45 can be radio frequency (RF) coil as shown in the drawing, perhaps equipment to magnetic sensitivity (AM), and for example an eas tag or various other alarm actuation device, all these all belong to common practise in security fields.Safety device 1 near or when representing just to have people's unauthorized to move the commodity 9 of showing bar 3 and attaching by safety door, this device is detected by the electronic circuit that is positioned at safety door place (for example in the exit, market), and excites the alarm on the safety door.

As shown in Fig. 7 and 10, lock bracket 41 has and housing member 21 cardinal principle equal lengths, and is formed with a pair of isolated locking recess 51 (Fig. 6) that extends along the side 49 of support 41, and this ends at a pair of shoulder or projection 48 to locking recess.The end limit 50 of pair of locking gear piece 52 engages the latched position of showing on the bar 3 so that housing member is fixed on projection 48.Locking gear piece 52 cuts out in single metal bar 54 (Fig. 7 A), and this bonding jumper 54 has formed an integration section of the locking mechanism of this safety device 1.This bonding jumper 54 is remained in the enclosure interior 25 by its end 55, described end 55 be received in form in the inner surface of housing end wall 36 recessed 57 in.Another projection 53 is formed at the far-end of support 41, and as shown in figure 11, and when locking component 23 moved to unlocked position, this projection 53 engaged with a stair-stepping shoulder 58 in the partition walls 47 that is formed at siren compartment 46.Make housing member 21 and 23 remain on the state that assembles like this and prevent that these two members separately.

As shown in figure 11, can see when above-mentioned safety device 1 is in the unlocked position of opening fully, the opening 56 that forms between housing member 21 and 23 by in being in the unlocked position of opening the time, this safety device can be installed to like a cork to be showed on the bar 3 or from above and takes off.After on this safety device being installed in the straight line portion 11 of showing bar 3, show that bar 3 preferably rests in the groove 43 of housing member 23, and housing member 21 will be moved upwards up to latched position as shown in Figure 7 along the direction of arrow C.This has caused spring biasing gear piece 52 to engage with locking shoulder 48 lockings of lock bracket 41 automatically.In this position, the recess 37 on the top seal part 39 is admitted projection 32, and the bottom of top seal part 39 will be positioned among the open top 26 of housing member 21 firmly like this.As shown in Figure 7, this is locked in safety device 1 reliably shows on the bar 3, and keeps alarm actuation device 45 to be positioned at housing 20 inside reliably, to prevent any undelegated visit.

In order to open and unlock device 1, be arranged in (Fig. 9) in the detent 33 by will totally being shown a pair of locator protrusions 62 that forms on 60 the magnetic key, and with key 60 with lock gear piece 52 and correctly align.When being in this position, a pair of internal magnets 64 will be alignd with locking gear piece 52, make it to move to unlocked position shown in Figure 10 from latched position as shown in Figure 7, housing member 21 will easily move to unlocked position along the direction shown in the arrow D (Figure 11) then, and expose opening 56, safety device 1 can be taken off from showing bar 3.

As shown in accompanying drawing 1, feature according to another preferred, safety device 1 will be disposed on the elongated linear 11 of showing bar 3 and between a plurality of commodity 9, such one or more commodity will be positioned in the middle of locking mechanism 1 and the far-end 13, allow client just can easily take off commodity from displaying bar 3 by salesman's help.But a lot of commodity 9 can be between bar additional mounting mechanism 7 and safety device 1 be taken off by client preventing.Therefore, the storekeeper just has the safe locked position of a large amount of commodity 9 between supporting construction 5 and safety device 1 usually, also has one or more commodity 9 to be positioned at the not fixed position of showing on the bar 3, allows client easily they to be taken off from far-end 13.Allow client to take one or several commodity away like this, arrive cashier then and hand over money, but will prevent that the thief from stealing a large amount of commodity by the action that sweeps across commodity from it from showing bar 3 from showing shelf.So just possible loss being restricted to only is one or several displaying merchandises, rather than the commodity on the whole displaying shelf.

The lazy weight of finding to show the useful commercial that is not lockable 9 on the bar 1 as the storekeeper is when satisfying current customer demand, just can use magnetic key 60 unlock device 1 easily, then safety device 1 is moved into place on the another one position between the blocked surplus commodities 9 just now, so just can make more commodity be unlocked state and client can be taken off.Equally; safety device 1 can easily be taken off; be convenient on whole displaying bar, hang up commodity 9 again; and then be installed between a plurality of commodity somewhere; and only allow one or several commodity not protected, allow client can take off one or several commodity and pay the bill to cashier.

As shown in fig. 1, safety device 1 has enough thick thickness or other and constructs and prevent that it breaks away from from the curved end of showing bar 3.Therefore, even a thief may be towards the far-end slip safety device 1 of showing bar 3, can not make it to move around one that forms on it or more bend or projection, so just can prevent that this safety device from from showing that bar slides, need not to make this device to be stuck in tightly simultaneously and showing on the bar.The end of showing bar 3 can have and dissimilar bend shown in Figure 1 or projection, and do not break away from theme of the present invention, as long as this bend or projection are enough to stop by safety device 1 is slid off far-end 13 and safety device 1 is pulled down from showing bar 3 along bar.Similarly, the storekeeper is behind release and mobile security device 1, only need move together two housing members 21 and 23, this moment gear piece 52 can be automatically with lock bracket 41 on the locking projection 48 that forms snap into to lock and engage, this process only needs seldom operation to this locking mechanism.Similarly, owing to do not need safety device 1 very closely to fasten with displaying bar 3, as long as safety device 1 has enough length or diameter stops it from showing the end landing of bar, so safety device 1 can be used for the displaying bar of various different-diameters.

Therefore, safety device 1 can easily be installed in to be showed on the bar 3 making things convenient for displaying merchandise 9, and prevent a large amount of commodity by unlawfully from showing that bar 3 is taken off, simultaneously, allow client to have and enough take off one or several commodity so that buy from origin.Because safety device 1 is provided with alarm actuation device 45; so need not to have the behavior that as shown in the drawing more valuable additional mounting mechanism 7 reduces stealing; thereby can use comparatively cheap attaching to arrange, because it prevents to take off whole bar in shielded shop.To show that bar 3 is installed in the type of additional mounting mechanism on the supporting construction 5 according to being used for, certain type crooked end 70 (Fig. 1) is arranged, it prevents that safety device 1 landing from the bar 3 from getting off, therefore, even showing bar 3 takes off from supporting construction 5, safety device 1 also can remain on always to be showed on the bar 3, and when the thief attempt displaying bar 3 with and on all commodity 9 when taking away, alarm device 45 can excite the alarm on the safety door.

Equally, housing 20 is only formed by two main parts 21 and 23, and it simply and is economically made by rigid plastic material, and wherein maintains bonding jumper 54 and think that it provides locking mechanism.Similarly, in case after safety device 1 assembles, the wall part 58 (Figure 11) of brace projections 53 and skew makes housing member 21 and 23 keep a kind of state that is slidingly connected that assembles.

In the above description, some term is to make succinct, the clear and understanding easily of the present invention.Can not draw and exceed the unnecessary restriction that prior art requires, because these terms are to be used for descriptive purpose and should interpreted in its broadest sense, ie from it.

In addition, explanation of the present invention and explanation are examples, and the present invention is not limited to detail shown or that describe.

Claims (20)

1. a safety device is used to be attached to from the outwardly directed bar of merchandise display, and described bar has the free end on the angled elongated portion that bends to bar, and described locking mechanism comprises:

First and second members, it engages slidably to move between locked, one of at least be formed with arcuate recess in described first and second members, the basic complementation of the elongated portion of described groove and bar also is suitable for admitting described elongated portion by it, safety device is fixed on the elongated portion of described bar, and when being in latched position, the free end of described bending prevents that safety device is removed from bar;

Locking mechanism is used for first and second members are locked in latched position with respect to bar;

Alarm actuation device excites described alarm in the time of near being brought to long-distance alarm apparatus.

2. safety device as claimed in claim 1, wherein, each all is formed with substantially semicircular groove in described first and second members, the described semicircular flute profile opening that overarches; When safety device was in latched position, described semicircular groove was aligned with each other, formed circular substantially opening and admitted the elongated portion of bar to pass through from it.

3. safety device as claimed in claim 2, wherein, described first and second members are elongated; And described semicircular groove cardinal principle is adjacent to be formed in the described member with the upper end of described member, and described thus safety device is suspended on the bar, and the major part of slender member is extended below bar.

4. safety device as claimed in claim 1, wherein, first member is the general rectangular housing with internal lock compartment; Second member comprises top seal part and the elongated lock bracket of partly stretching out from described top seal, and described lock bracket is arranged in the locking compartment of described first member.

5. the safety device described in claim 4, wherein, locking mechanism comprises the locking component with magnetic attraction in the locking compartment that is installed in first member, and is locked towards the lock bracket with second member and engage bias voltage.

6. the safety device described in claim 5, wherein, locking component is a bonding jumper, described bonding jumper has from its outwardly directed at least one gear piece; Lock bracket is formed with projection, when being in latched position, described projection can with the engaged at end of described gear piece, move towards unlocked position to prevent locking component.

7. safety device as claimed in claim 6, wherein, the metal locking bar is a single piece component, and has and described pair of metal gear piece that is integrally formed and stretches out from its yearning; The lock bracket of second member is formed with a pair of projection, and each projection engages with a corresponding locking gear piece.

8. safety device as claimed in claim 4, wherein, the housing of first member has open top; The top seal part of second member and the open top complementation of first member, and when being in latched position, seal described open top.

9. safety device as claimed in claim 8, wherein, the top seal of second member part forms opening between the described top seal part of the housing of first member and second member, when being in the unlocked position, described opening is connected with arcuate recess, passes by described opening with the elongated portion that allows bar.

10. safety device as claimed in claim 4, wherein, the locking compartment comprises the wall with Offset portion; When first and second members were in the unlocked position, lock bracket engaged so that second member is remained in first member with the described Offset portion of wall.

11. the method for a displaying merchandise on the displaying bar, described displaying bar is protruding from supporting construction, said method comprising the steps of:

Make and show that bar has the elongated portion that finishes with crooked end;

Safety device is provided, and described safety device has a pair of combinative member, and described member can move between locked, and described crooked end prevents that safety device is from showing that bar takes off when being in latched position;

On the elongated portion of showing bar, hang a plurality of commodity;

Be arranged in safety device on the elongated portion of showing bar and safety device moved to the latched position of sealing, at least one commodity is between locking mechanism and crooked end in the described thus commodity, take described at least one commodity away and not interfered by safety device to allow exceeding crooked end, and a plurality of described commodity between safety device and supporting construction to prevent that it from taking off from showing bar;

Make described safety device be provided with alarm actuation device, be used for exciting described alarm during near long-distance alarm apparatus when described safety device.

12. method as claimed in claim 11, comprise following steps: unlock device and with its be repositioned onto on the elongated portion of showing bar before between a plurality of commodity between locking mechanism and the supporting construction, thus that at least one is other commodity are arranged between locking mechanism and the crooked end with subsequently from showing that bar takes off and not interfered by locking mechanism.

13. method as claimed in claim 11 may further comprise the steps: make safety device be provided with the locking mechanism of carrying magnetic suction; On at least one in described member of magnet arrangement; And the locking mechanism that will be positioned at a described member moves to unlocked position.

14. method as claimed in claim 13 may further comprise the steps: after locking mechanism is moved to unlocked position, described a pair of member slip is moved to open position.

15. a safety device and from the combination of the outwardly directed bar of merchandise display, described bar has the elongated portion that ends at far-end, and described safety device is installed on the elongated portion of bar;

Described safety device comprises: engage first and second members to move between locked slidably, in the described member each all is formed with the part groove, when being in latched position, described part groove is in alignment with each other to form opening, the elongated portion of bar extends through described opening safety device is fixed on the elongated portion of described bar, the described far-end of bar has irregularly shaped, takes off from bar to prevent locking mechanism when being in latched position; The locking component that has magnetic attraction, its be installed in the hollow inside of one of described member with described member with respect to rod lock in latched position; And

Be positioned at the alarm actuation device of one of described member, excite described alarm in the time of near being brought to long-distance alarm apparatus.

16. combination as claimed in claim 15, wherein, first member has the hollow inside that forms the internal lock chamber; Second member has the elongated lock bracket that is received in slidably in the described lock chamber; Each all has semicircle structure described part groove, and when described member was in latched position, described part groove had formed the elongated portion that circular substantially opening is used to block bar, thus described locking mechanism is hung on the bar; Described alarm actuation device is the radio-frequency coil that is contained in the hollow inside of first member.

17. combination as claimed in claim 15, wherein, described locking component comprises at least one the spring bias voltage gear piece that is installed in first member, and the locking projection locking that forms on described spring bias voltage gear piece and second member engages.

18. combination as claimed in claim 15, wherein, second member has the elongated lock bracket that is received in slidably in the lock chamber, be formed with retainer on the described support, described retainer can with first member engages, with when being in the unlocked position, prevent that second member from coming off from first member.

19. combination as claimed in claim 15, wherein, first member has the hollow inside that forms lock chamber; Second member has the elongated rails that is received in slidably in the described lock chamber, and described support is formed with at least one locking projection; Locking component is the bonding jumper that is installed in when being in latched position in the lock chamber and extends along lock bracket, and described bonding jumper has the spring bias voltage gear piece that is suitable for engaging locking projection when being in latched position.

20. combination as claimed in claim 15 comprises the key that is used for locking component is moved to unlocked position, described key comprises that at least one magnet is used for described locking component is moved to unlocked position.

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