CN103867056B - For the safety caging device of sliding sash - Google Patents
For the safety caging device of sliding sash Download PDFInfo
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- CN103867056B CN103867056B CN201410128733.3A CN201410128733A CN103867056B CN 103867056 B CN103867056 B CN 103867056B CN 201410128733 A CN201410128733 A CN 201410128733A CN 103867056 B CN103867056 B CN 103867056B
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- gripper shoe
- block
- holding hole
- sliding sash
- glass
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Abstract
The invention discloses a kind of safety caging device for sliding sash, comprise bonding and fit in the slat supporting plates of glass and be detachably connected on the block of slat supporting plates; The thickness of gripper shoe is less than glass gap, and the thickness sum of gripper shoe and block is greater than glass gap; Described gripper shoe is provided with one or more installation position, and the top margin of described installation position and base are respectively equipped with corresponding holding hole; Described block comprises by the main part of " U " shape of elastomeric material and holds plate, holds plate and is inserted in described holding hole from the inner side of described installation position; The installation position of gripper shoe is provided with the positive stop strip or limited block that are parallel to gripper shoe length direction, holds the height of plate described in the distance of the lower limb of the holding hole of positive stop strip or limited block and top margin is less than.The present invention has following beneficial effect: if apply downward power to from top to block, and block is out of shape, and holds plate slide downward, runs into the stop of positive stop strip or limited block, prevent holding plate and come off from holding hole.
Description
Technical field
The present invention relates to a kind of safety caging device for sliding sash, be specially the safety caging device opening width limited between glass in it or outer glass, the assembly reliability between the gripper shoe of described safety caging device and block is higher, block difficult drop-off.
Background technology
As shown in Figure 10, traditional sliding sash 500, comprise left and right to glass 501 and outer glass 502 in establishing, wherein, interior glass 501 is also referred to as interior wing, and outer glass 502 is also referred to as exterior wing.By pushing away interior glass 501 or outer glass 502 moves horizontally, window can be opened certain width, being beneficial to ventilation.Interior glass 501 and the outer glass 502 of some sliding sashs 500 all can move horizontally, the interior glass 501 of some sliding sashs 500 and outer glass 502 one of them be fixedly installed, another one is set to move horizontally, and that fan glass that can be moved horizontally by push-and-pull, can open certain width.Sliding sash 500 of the prior art, the frame generally contacted at interior glass 501 and outer glass 502 is arranged a fixing locking mechanism 510, being locked, from opening, can not reaching antitheft object outside window at sliding sash 500 under the state can closed completely.Its defect is, the sliding sash locking of complete fastening position can only be in, when window is opened one fixed width, owing to can be changed the width that window is opened by glass in push-and-pull 501 or outer glass 502, there is very large potential safety hazard, such as robber may from entering indoor outside window, and children climb to outside window and meet accident, and especially children climb out of outside window the end and the event met accident is appeared in the newspapers repeatly.
For solving the problem, applicant is in being CN103306551A in publication No., and date of publication is in the Chinese invention patent application on September 18th, 2013, discloses a kind of safety caging device.Safety caging device disclosed in CN103306551A, as shown in Figure 10, Figure 11 and Figure 12, described safety caging device 60 comprises side bonding and fits in the slat supporting plates 61 of the outside of interior glass or the inner side of outer glass and be detachably connected on the block 62 to limit relative displacement between interior glass and outer glass of slat supporting plates 61 opposite side; The thickness of gripper shoe 61 is less than the gap between interior glass and outer glass, and the thickness sum of gripper shoe 61 and block 62 is greater than the gap between interior glass and outer glass; Gripper shoe 61 is provided with one or more installation position, and the top margin of installation position and base are respectively equipped with corresponding holding hole 617; Block 62 comprise the opening be made up of elastomeric material towards the main part 621 of " U " shape of gripper shoe and the two ends being arranged at main part 621 and bend respectively to the direction away from main part 621 hold plate 624, hold plate 624 and be inserted in holding hole 617 from the inner side of installation position.Like this, as shown in Figure 10, when the laminating of this safety caging device 60 is bonded on the outside of interior glass or the inner side of outer glass, its relative movement is stopped by block 2, limit it and open width, according to the difference of installation site, maximum width difference of performing fighting, thus the security protection problem of children can be efficiently solved and play certain anti-theft function, simultaneously, when needs ventilate, block 62 can be taken off, not affect ventilation.For reducing the shock between glass and block 62, be provided with soft elastic buffer block 63 in the both sides of block 62.
Please refer to Fig. 7 and Fig. 8, in use, applicant finds that publication No. is for the safety caging device disclosed in the Chinese invention patent application of CN103306551A, exists the possible defect of following two aspects.(1) in order to make block 62 detachably be installed in gripper shoe 61, the main part 621 of block 62 needs to have certain elasticity, and just the elasticity of block 62 is less, and needing adult to apply larger power could by its crimp, its opening reduces, and today takes off from gripper shoe 61.But, inventor finds in practice, when children use both hands to catch block 62, thus make the health of oneself hang (partly hanging) on block 62 time, due to the Action of Gravity Field of children's torso, likely make the main part 621 of block 62 deform, thus the plate 624 that holds of top is come off from holding hole 617, and then unload block 62, stopping means 60 was lost efficacy.(2) glass is promoted with sudden force, glass clashes into rapidly block 62(buffer stopper 63) time, also the possibility that plate 624 comes off from holding hole 617 may be held, although this possibility is smaller, especially when gripper shoe 61 is installed relative to inclined, more easily hold the accident that plate 624 comes off from holding hole 617, and then block 62 is separated with gripper shoe 61, stopping means 60 was lost efficacy.
Summary of the invention
In view of the foregoing defects the prior art has, the problem to be solved in the present invention is, provides a kind of safety caging device for sliding sash, anti-stop block and gripper shoe accidental separation, improves functional reliability.
For solving the problem, the invention provides a kind of safety caging device for sliding sash, described sliding sash comprises left and right to glass and outer glass in establishing, and described safety caging device comprises side bonding and fits in the slat supporting plates of the inner side of outer glass and be detachably connected on the block to limit relative displacement between described interior glass and outer glass of described slat supporting plates opposite side; The thickness of described gripper shoe is less than the gap between the window frame of described interior glass and outer glass, and the thickness sum of described gripper shoe and described block is greater than the gap between the window frame of described interior glass and outer glass; Described gripper shoe is provided with one or more installation position, and the top margin of described installation position and base are respectively equipped with corresponding holding hole; Described block comprise the opening be made up of elastomeric material towards the main part of " U " shape of described gripper shoe and the two ends being arranged at described main part and bend respectively to the direction away from described main part hold plate, described in hold plate and be inserted in described holding hole from the inner side of described installation position; The installation position of described gripper shoe is provided with the positive stop strip or limited block that are parallel to described gripper shoe length direction, holds the height of plate described in the distance of the lower limb of the holding hole of described positive stop strip or limited block and top margin is less than.
As preferably, described holding hole is cut off that to separate be two sections or multistage, described in hold plate and be also set to two section or the multistage corresponding to described holding hole.
As preferably, described installation position is concave inward structure, and the both ends of the surface of described holding hole extend to form confined planes respectively in the middle part of described gripper shoe.
As preferably, the side that described gripper shoe is provided with described block is the arc of indent or trapezoidal.
As preferably, the side of described slat supporting plates and described outer glassy bond is provided with tack coat, and the width of described tack coat covers described gripper shoe.
As preferably, the both sides of described block are provided with soft elastic buffer block.
As preferably, the openend of the main part of described block is to opening outside it.
As preferably, described in hold the free end of plate edge be provided with installation inclined-plane.
Present invention also offers a kind of safety caging device for sliding sash, described sliding sash comprises left and right to glass and outer glass in establishing, and described safety caging device comprises side bonding and fits in the slat supporting plates of the inner side of described outer glass and be detachably connected on the block to limit relative displacement between described interior glass and outer glass of described slat supporting plates opposite side; The thickness of described gripper shoe is less than the gap between the window frame of described interior glass and outer glass, and the thickness sum of described gripper shoe and described block is greater than the gap between the window frame of described interior glass and outer glass; Described gripper shoe is provided with one or more installation position, and the top margin of described installation position and base are respectively equipped with corresponding holding hole; Described block comprise the opening be made up of elastomeric material towards the main part of " U " shape of described gripper shoe and the two ends being arranged at described main part and bend respectively to the direction away from described main part hold plate, described in hold plate and be inserted in described holding hole from the inner side of described installation position; Described installation position is concave inward structure, and the both ends of the surface of described holding hole extend to form confined planes respectively in the middle part of described gripper shoe.
As preferably, described holding hole is cut off that to separate be two sections or multistage, described in hold plate and be also set to two section or the multistage corresponding to described holding hole.
As preferably, the openend of the main part of described block is to opening outside it.
As preferably, described in hold the free end of plate edge be provided with installation inclined-plane.
The present invention also still further provides a kind of safety caging device for sliding sash, described sliding sash comprises left and right to glass and outer glass in establishing, and described safety caging device comprises side bonding and fits in the slat supporting plates of the inner side of described outer glass and be detachably connected on the block to limit relative displacement between described interior glass and outer glass of described slat supporting plates opposite side; The thickness of described gripper shoe be less than described interior glass window frame and outer glass between gap, the thickness sum of described gripper shoe and described block is greater than the gap between the window frame of described interior glass and outer glass; Described gripper shoe is provided with one or more installation position, and the top margin of described installation position and base are respectively equipped with corresponding holding hole; Described block comprise the opening be made up of elastomeric material towards the main part of " U " shape of described gripper shoe and the two ends being arranged at described main part and bend respectively to the direction away from described main part hold plate, described in hold plate and be inserted in described holding hole from the inner side of described installation position; Described holding hole is cut off and is divided into two sections or multistage, described in hold plate and be also set to two section or the multistage corresponding to described holding hole.
Safety caging device for sliding sash of the present invention has the beneficial effect of following several aspect:
(1) if apply downward power from top to block, block is out of shape, and holds plate slide downward, runs into the stop of positive stop strip or limited block, effectively prevent holding plate and come off from holding hole.
(2) when holding hole is divided into two sections or multistage, due to the effect cut off, also can prevent holding plate further and come off from holding hole.
(3) confined planes can provide limit function from horizontal direction, at block when being subject to horizontal impact, preventing from holding plate and from holding hole medium dip and skid off.
Accompanying drawing explanation
Fig. 1 is the perspective view of the safety caging device for sliding sash of embodiments of the invention one.
Fig. 2 is the perspective view of the gripper shoe in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the elevation of Fig. 2.
Fig. 5 is that the A-A of Fig. 4 is to sectional view.
Fig. 6 is the rear elevation of Fig. 2.
Fig. 7 is the perspective view of the block of the safety caging device for sliding sash shown in Fig. 1.
Fig. 8 is the perspective view of the buffer stopper of the safety caging device for sliding sash shown in Fig. 1.
Fig. 9 is the perspective view of the safety caging device for sliding sash of embodiments of the invention two.
Figure 10 is the structural representation of safety caging device sliding sash being installed prior art.
Figure 11 is the perspective view of the safety caging device for sliding sash of the prior art.
Figure 12 is the decomposing schematic representation of Figure 11.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
It should be noted that, the safety caging device for sliding sash of the present invention, can be used for the sliding sash of interior glass, outer glass horizontal movement, also may be used for interior glass, sliding sash that outer glass moves up and down.Similar, it should be appreciated by those skilled in the art, the safety caging device for sliding sash of the present invention equally also can be applicable to sliding door, with the region preventing children oneself from going to the dangerous factor such as kitchen, washroom.
Embodiment one
As Figure 1-Figure 8, the safety caging device for sliding sash of the embodiment of the present invention one, described sliding sash comprises left and right to glass and outer glass in establishing, and safety caging device 100 comprises side bonding and fits in the slat supporting plates 1 of the inner side of outer glass and be detachably connected on the block 2 to limit relative displacement between interior glass and outer glass of slat supporting plates 1 opposite side; The thickness of gripper shoe 1 is less than the gap between the window frame of interior glass and outer glass, and the thickness sum of gripper shoe 1 and block 2 is greater than the gap between the window frame of interior glass and outer glass.Thus when block 2 is connected on slat supporting plates 1, block 2 can block the window frame of interior glass, thus the relative displacement that can limit between interior glass and outer glass, when block 2 is unloaded, due to the thinner thickness of slat supporting plates 1, be less than the gap between the window frame of interior glass and outer glass, the relative displacement internally between glass and outer glass can not cause obstacle, not affect normal ventilation.Particularly, gripper shoe 1 is provided with one or more installation position 19, and the top margin of installation position 19 and base are respectively equipped with corresponding holding hole 11; Block 2 comprise the opening be made up of elastomeric material towards the main part 21 of " U " shape of gripper shoe and the two ends being arranged at main part 21 and bend respectively to the direction away from main part 21 hold plate 24, hold plate 24 and be inserted in holding hole 1 from the inner side of installation position 19.As shown in Fig. 2, Fig. 4 and Fig. 5, the installation position of gripper shoe 1 is provided with the positive stop strip 14 being parallel to gripper shoe 1 length direction, and positive stop strip 14 is less than with the distance a of the lower limb of the holding hole of top margin the height b holding plate 24.Like this, by arranging positive stop strip 14, if apply downward power to block, the main part 21 of block 2 is out of shape, its openings get smaller, holds plate 24 slide downward, owing to running into the stop of positive stop strip 14, effectively can prevent holding plate 24 and come off from holding hole 17.Certainly, the positive stop strip 14 of this enforcement can be designed to the little positive stop strip of multistage, or arranges one or more limited block to replace, and can reach spacing object equally, prevents holding plate 24 and comes off from holding hole 17.The safety caging device 100 of the present embodiment is rotated 90 degree, interior glass can be arranged on, on sliding sash that outer glass moves up and down.
As preferably, in the present embodiment, as shown in Fig. 1-Fig. 7, holding hole 17 is cut off 111, and to separate be two sections, as shown in Figure 7, holds plate 24 and be also set to corresponding to holding hole 11 two sections.Certainly, multiple partition 111 also can be set in holding hole 17 and be divided into multistage, hold plate 24 and be also divided into the multistage adapted with it.By holding hole 11 being divided into the mode of multistage, also can improving the stability that it is installed, when being subject to external impacts, owing to cutting off the effect of 111, the resistance preventing from holding plate 24 slippage can be provided.
In addition, preferably, if the installation position 19 in Fig. 4 and Fig. 5 the present embodiment is concave inward structure, the both ends of the surface of holding hole 17 extend to form confined planes 15 respectively to the middle part of gripper shoe 1.Confined planes 15 can provide limit function from horizontal direction, at block 2 when being subject to horizontal impact, preventing from holding plate 24 and from holding hole 17 medium dip and skid off.Holding plate 24 when moving horizontally or oliquely downward move, running into the stop of confined planes 15 and can not continue mobile, thus preventing from holding plate 24 slippage.
Certainly, installation position 19 can be set to two as shown in the figure, also can be set to multiple, to provide more selection, makes the range of choice opening width of window become large.
As preferably, as shown in Figure 1 and Figure 5, gripper shoe 1 is provided with the arc that a side 120 of block 2 is indent, can material be saved, and its intensity can be ensured when the thickness of gripper shoe 1 is less, in other words, under the prerequisite ensureing some strength, the thickness of gripper shoe 1 can be reduced as far as possible.
In the present embodiment, positive stop strip 14 can carry out screens to holding plate 24 horizontal direction, makes it not come off, and when opening, first can only be taken out from holding hole 11 by the plate 24 that holds of below, then could be taken out by the positive stop strip 14 of top at a slant.
Secondly, by arranging the mode of partition 111, holding hole 11 is divided into two sections or multistage, cutting off 111 can provide restriction to hold the effect of plate 24 from horizontal direction.
Again, by arranging the confined planes 15 suitable with holding hole 11, holding the activity of plate 24 further from horizontal direction restriction, ensureing that holding plate 24 can not come off from holding hole 11.
Above embodiment improves its functional reliability by adopting the technical measures of positive stop strip 14, partition 111, confined planes 15 3 aspects, these three technical measures can individually be arranged, also can arrange in any combination way, equal can playing will be carried out spacing to holding plate 24, prevent the effect that fixture block 2 and gripper shoe 1 depart from, obviously, arrange the technical scheme of positive stop strip 14, partition 111, confined planes 15, effect is best simultaneously.
In addition, as shown in Figure 6, the gripper shoe 1 of bar shaped is provided with tack coat 130 with the side of outer glassy bond, and the width of tack coat 130 covers gripper shoe 1.Like this, hold plate 24 be subject to the wall of external force to holding hole 11 act on time, because the width of tack coat 130 covers gripper shoe 1, this active force is just passed to glass by tack coat 130, prevent deforming of the wall of holding hole 11, thus when preventing holding hole 11 from deforming, hold coming off of plate 24.Certainly, when the width of tack coat 130 covers gripper shoe 1, increase with the bond area of glass, the bonding force with glass can be increased further.
As illustrated in figures 1 and 8, the both sides of block 1 are provided with soft elastic buffer block 3, can provide buffering, avoid direct impact for glass.Buffer stopper 3 material can be silica gel, rubber, leather, cloth etc. and has certain elasticity and shock proof material, with impact possible during buffer switch window.Screw is adopted to be connected between buffer stopper 3 with block 2.
As shown in Figure 7, preferably, the openend of the main part 21 of block 2 is to opening outside it.It should be appreciated by those skilled in the art, in the present embodiment, the elastomeric material that main part 21 uses should have certain hardness, such as: duroplasts, timber, metal etc.Like this, as shown in Figure 1, when block 2 is assembled together with gripper shoe 1, the main part 21 of block 2 is substantially parallel, thus has the starting force opened up and down, is more stably stuck in gripper shoe 1.Further, in order to load and unload the convenience of block 2, the edge holding the free end of plate 24 is provided with installs inclined-plane 241.
Embodiment two
As shown in Figure 9, embodiment two is with the main distinction of embodiment one, and the shape of gripper shoe 1 is different, and as shown in Figure 9, in embodiment two, the side 120 that gripper shoe 1 is provided with block 2 is the trapezoidal of indent; In addition the positive stop strip 14 that limited block 141 replaces embodiment a kind of is used.Embodiment two and embodiment one have similar technique effect.
Certainly, the above is the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (12)
1. for the safety caging device of sliding sash, described sliding sash comprises left and right to glass and outer glass in establishing, and described safety caging device comprises side bonding and fits in the slat supporting plates of the inner side of outer glass and be detachably connected on the block to limit relative displacement between described interior glass and outer glass of described slat supporting plates opposite side; The thickness of described gripper shoe is less than the gap between the window frame of described interior glass and outer glass, and the thickness sum of described gripper shoe and described block is greater than the gap between the window frame of described interior glass and outer glass; It is characterized in that,
Described gripper shoe is provided with one or more installation position, and the top margin of described installation position and base are respectively equipped with corresponding holding hole;
Described block comprise the opening be made up of elastomeric material towards the main part of " U " shape of described gripper shoe and the two ends being arranged at described main part and bend respectively to the direction away from described main part hold plate, described in hold plate and be inserted in described holding hole from the inner side of described installation position;
The installation position of described gripper shoe is provided with the positive stop strip or limited block that are parallel to described gripper shoe length direction, holds the height of plate described in the distance of the lower limb of the holding hole of described positive stop strip or limited block and top margin is less than.
2. as claimed in claim 1 for the safety caging device of sliding sash, it is characterized in that, described holding hole is cut off that to separate be two sections or multistage, described in hold plate and be also set to two section or the multistage corresponding to described holding hole.
3., as claimed in claim 1 or 2 for the safety caging device of sliding sash, it is characterized in that,
Described installation position is concave inward structure, and the both ends of the surface of described holding hole extend to form confined planes respectively in the middle part of described gripper shoe.
4., as claimed in claim 3 for the safety caging device of sliding sash, it is characterized in that,
The side that described gripper shoe is provided with described block is the arc of indent or trapezoidal.
5., as claimed in claim 1 or 2 for the safety caging device of sliding sash, it is characterized in that, the side of described slat supporting plates and described outer glassy bond is provided with tack coat, and the width of described tack coat covers described gripper shoe.
6. as claimed in claim 1 or 2 for the safety caging device of sliding sash, it is characterized in that, the both sides of described block are provided with soft elastic buffer block.
7. as claimed in claim 1 or 2 for the safety caging device of sliding sash, it is characterized in that, the openend of the main part of described block is to opening outside it.
8., as claimed in claim 1 or 2 for the safety caging device of sliding sash, it is characterized in that, described in hold the free end of plate edge be provided with installation inclined-plane.
9. for the safety caging device of sliding sash, described sliding sash comprises left and right to glass and outer glass in establishing, and described safety caging device comprises side bonding and fits in the slat supporting plates of the inner side of described outer glass and be detachably connected on the block to limit relative displacement between described interior glass and outer glass of described slat supporting plates opposite side; The thickness of described gripper shoe is less than the gap between the window frame of described interior glass and outer glass, and the thickness sum of described gripper shoe and described block is greater than the gap between the window frame of described interior glass and outer glass; It is characterized in that,
Described gripper shoe is provided with one or more installation position, and the top margin of described installation position and base are respectively equipped with corresponding holding hole;
Described block comprise the opening be made up of elastomeric material towards the main part of " U " shape of described gripper shoe and the two ends being arranged at described main part and bend respectively to the direction away from described main part hold plate, described in hold plate and be inserted in described holding hole from the inner side of described installation position;
Described installation position is concave inward structure, and the both ends of the surface of described holding hole extend to form confined planes respectively in the middle part of described gripper shoe.
10. as claimed in claim 9 for the safety caging device of sliding sash, it is characterized in that, described holding hole is cut off that to separate be two sections or multistage, described in hold plate and be also set to two section or the multistage corresponding to described holding hole.
11. safety caging devices for sliding sash as described in claim 9 or 10, is characterized in that, the openend of the main part of described block is to opening outside it.
12. safety caging devices for sliding sash as described in claim 9 or 10, is characterized in that, described in hold the free end of plate edge be provided with installation inclined-plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128733.3A CN103867056B (en) | 2014-04-01 | 2014-04-01 | For the safety caging device of sliding sash |
| PCT/CN2014/079447 WO2014198204A1 (en) | 2013-06-09 | 2014-06-09 | Safety limiting device for sliding window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128733.3A CN103867056B (en) | 2014-04-01 | 2014-04-01 | For the safety caging device of sliding sash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867056A CN103867056A (en) | 2014-06-18 |
| CN103867056B true CN103867056B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128733.3A Active CN103867056B (en) | 2013-06-09 | 2014-04-01 | For the safety caging device of sliding sash |
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| CN (1) | CN103867056B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729786A (en) * | 2017-04-21 | 2018-11-02 | 王宗超 | A kind of push-pull door sash locator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180426Y (en) * | 2008-05-05 | 2009-01-14 | 杨宇 | Sliding door and window lock |
| CN201486403U (en) * | 2009-09-27 | 2010-05-26 | 沈洋 | Lock for opening distance of sliding window |
| CN103306551A (en) * | 2013-06-09 | 2013-09-18 | 洪毅 | Safety limiting device used for push-pull window |
| CN203462861U (en) * | 2013-08-23 | 2014-03-05 | 王宝柱 | Sliding window locking device |
| CN203879160U (en) * | 2014-04-01 | 2014-10-15 | 洪毅 | Safe limiting device for push-and-pull window |
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2014
- 2014-04-01 CN CN201410128733.3A patent/CN103867056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180426Y (en) * | 2008-05-05 | 2009-01-14 | 杨宇 | Sliding door and window lock |
| CN201486403U (en) * | 2009-09-27 | 2010-05-26 | 沈洋 | Lock for opening distance of sliding window |
| CN103306551A (en) * | 2013-06-09 | 2013-09-18 | 洪毅 | Safety limiting device used for push-pull window |
| CN203462861U (en) * | 2013-08-23 | 2014-03-05 | 王宝柱 | Sliding window locking device |
| CN203879160U (en) * | 2014-04-01 | 2014-10-15 | 洪毅 | Safe limiting device for push-and-pull window |
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| CN103867056A (en) | 2014-06-18 |
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