CN222501156U - Safe anti-falling device for building construction - Google Patents
Safe anti-falling device for building construction Download PDFInfo
- Publication number
- CN222501156U CN222501156U CN202421250832.4U CN202421250832U CN222501156U CN 222501156 U CN222501156 U CN 222501156U CN 202421250832 U CN202421250832 U CN 202421250832U CN 222501156 U CN222501156 U CN 222501156U
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- protection
- building construction
- falling device
- construction according
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000009435 building construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000010276 construction Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Fencing (AREA)
Abstract
本实用新型涉及房建施工技术领域，提供一种房建施工用安全防坠装置，包括支撑机构(1)，支撑机构(1)上设置有第一防护机构(2)和第二防护机构(3)，支撑机构(1)包括立杆(11)，第一防护机构(2)包括分别固接于不同的立杆(11)上的第一横板(21)、第一延长板(22)、第二横板(23)和第二延长板(24)，第一延长板(22)一端滑动于第一横板(21)内，第二延长板(24)一端滑动于第二横板(23)内，本实用新型能够调节遮盖面积，以满足不同大小的机器的遮盖防护需求。
The utility model relates to the technical field of building construction, and provides a safety anti-falling device for building construction, comprising a support mechanism (1), on which a first protection mechanism (2) and a second protection mechanism (3) are arranged, the support mechanism (1) comprising a vertical pole (11), the first protection mechanism (2) comprising a first horizontal plate (21), a first extension plate (22), a second horizontal plate (23) and a second extension plate (24) respectively fixed to different vertical poles (11), one end of the first extension plate (22) slides in the first horizontal plate (21), and one end of the second extension plate (24) slides in the second horizontal plate (23). The utility model can adjust the covering area to meet the covering and protection requirements of machines of different sizes.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a safety anti-falling device for building construction.
Background
The construction site operation of the house is a high-risk production activity, the stirrer or the steel bar produced in the construction site needs to be produced under the protective shed, the danger sources in the construction site are more, the object falling and striking belongs to one of the important danger sources of the site construction, the production safety accident is very easy to occur in the construction site, the danger sources exist at any time, the injury to site construction and management personnel is often fatal, and the serious economic loss can be caused.
The publication number CN214786310U discloses a construction site anti-falling object protection shed, and it includes a plurality of stands and erects the shed roof support in a plurality of stand upper ends, and shed roof support is last to be covered with the apron, and the upper surface of apron is built and is prevented the impact layer, prevents the impact layer including fixing a plurality of bracing pieces at the apron upper surface, is provided with nylon rope net between a plurality of bracing pieces, has the interval between rope net and the apron. The application has the effects of enhancing the capability of protecting the shed from falling object impact and improving the construction safety of a construction site. But the protection canopy of falling object among the prior art can't adjust and cover the area to satisfy the shielding protection demand of the not equidimension machine.
Disclosure of utility model
The utility model aims to overcome the defects of the conditions, and aims to provide a safety anti-falling device for building construction, which can adjust the covering area so as to meet the covering and protecting requirements of machines with different sizes.
The utility model provides a safe anti-falling device for construction is built in room, includes supporting mechanism, be provided with first protection machanism and second protection machanism on the supporting mechanism, supporting mechanism includes the pole setting, first protection machanism is including respectively the rigid coupling in different first diaphragm, first extension board, second diaphragm and second extension board in the pole setting, first extension board one end slide in the first diaphragm, second extension board one end slide in the second diaphragm, second diaphragm up end rigid coupling has first stopper, first diaphragm lower terminal surface seted up with first spacing groove of first stopper adaptation just first stopper sliding connection in the first spacing inslot, second extension board up end rigid coupling has the second stopper, first extension board lower terminal surface set up with the second spacing groove of second stopper looks adaptation just second stopper sliding connection in the second spacing inslot.
Further, the first transverse plate and the second transverse plate are positioned on the two vertical rods on the same side, and the first extension plate and the second extension plate are positioned on the two vertical rods on the same side.
Further, the second transverse plates are arranged below the first transverse plates in a fitting and staggered mode.
Further, the second protection mechanism comprises a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece which are fixedly connected to different vertical rods, one end of the first connecting piece slides in the second connecting piece, one end of the third connecting piece slides in the fourth connecting piece, a first protection net is arranged between the first connecting piece and the second connecting piece, and a second protection net is arranged between the third connecting piece and the fourth connecting piece.
Further, the second protection mechanism further comprises a third limiting block fixedly connected to the third connecting piece and the fourth connecting piece, and the first connecting piece and the second connecting piece are provided with third limiting grooves matched with the third limiting block.
Further, the sections of the first limiting block, the second limiting block and the third limiting block are T-shaped or dovetail-shaped.
Further, the first protective net and the second protective net are arranged in a staggered mode.
Further, the projection of the first protective net is always staggered with the projection of the second protective net.
Further, the lower end face of the vertical rod is fixedly connected with a mounting plate, and the lower end face of the mounting plate is provided with a universal wheel.
Further, a parking mechanism is arranged on the mounting plate and comprises a threaded rod which penetrates through the mounting plate and is in threaded connection with the mounting plate, and a supporting block is fixedly connected to the lower end of the threaded rod.
Compared with the prior art, the utility model has the beneficial effects that:
In the utility model, when the vertical rod connected with the first extension plate and the second extension plate is moved, the first extension plate and the second extension plate can synchronously slide, the covering area of the first protection mechanism is adjusted along the sliding direction of the first extension plate and the second extension plate, meanwhile, the first connecting piece and the second connecting piece in the second protection mechanism are mutually far away, the third connecting piece and the fourth connecting piece are mutually far away, so that the lowest point of the first protection net and the second protection net moves upwards and the protection area is increased, when the vertical rod connected with the second transverse plate and the second extension plate is moved, the second transverse plate and the second extension plate can synchronously slide, the covering area of the first protection mechanism is adjusted along the sliding direction, meanwhile, the first connecting piece and the third connecting piece are mutually far away, the second connecting piece and the fourth connecting piece are mutually far away, the staggered area between the first protection net and the second protection net is reduced, and the total protection area of the first protection net and the second protection net is further increased. Finally, the covering and protecting requirements of machines with different sizes are met.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic diagram of the overall structure of a safety anti-falling device for building construction in the first embodiment;
Fig. 2 is a schematic diagram of the overall structure of a safety anti-falling device for building construction in the first embodiment;
FIG. 3 is an enlarged view at A in FIG. 1;
FIG. 4 is a split view of a first guard mechanism in a first embodiment;
FIG. 5 is a split view of a second guard mechanism in the first embodiment;
fig. 6 is a disassembled view of the first protection mechanism in the second embodiment
Fig. 7 is a split view of a second guard mechanism in the second embodiment.
In the figure, 1, a supporting mechanism; 11, upright posts, 12, mounting plates, 13, universal wheels, 2, first protection mechanisms, 21, first transverse plates, 211, first limiting grooves, 22, first extension plates, 221, second limiting grooves, 23, second transverse plates, 24, second extension plates, 25, first limiting blocks, 251, first inserting holes, 26, second limiting blocks, 261, second inserting holes, 27, first inserting rods, 28, second inserting rods, 3, second protection mechanisms, 31, first connecting pieces, 32, second connecting pieces, 33, third connecting pieces, 34, fourth connecting pieces, 35, first protection nets, 36, second protection nets, 37, third limiting blocks, 371, third inserting holes, 38, third limiting grooves, 39, third inserting rods, 4, parking mechanisms, 41, threaded rods, 42 and abutting blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
As shown in fig. 1, 2 and 4, the safety anti-falling device for building construction comprises a supporting mechanism 1, wherein a first protection mechanism 2 and a second protection mechanism 3 are arranged on the supporting mechanism 1, and the second protection mechanism 3 is positioned above the first protection mechanism 2; the support mechanism 1 comprises four vertical rods 11, the first protection mechanism 2 comprises a first transverse plate 21, a first extension plate 22, a second transverse plate 23 and a second extension plate 24 which are fixedly connected to different vertical rods 11 respectively, one end of the first extension plate 22 slides in the first transverse plate 21, one end of the second extension plate 24 slides in the second transverse plate 23, the first transverse plate 21 and the second transverse plate 23 are positioned on two vertical rods 11 on the same side, the first extension plate 22 and the second extension plate 24 are positioned on two vertical rods 11 on the same side, the second transverse plate 23 is positioned below the first transverse plate 21 and is in fit and staggered arrangement, a first limit block 25 is fixedly connected to the upper end face of the second transverse plate 23, a first limit groove 211 matched with the first limit block 25 is formed in the lower end face of the first transverse plate 21, a second limit block 26 is fixedly connected to the upper end face of the second extension plate 24, a second limit block 26 is formed in the lower end face of the first extension plate 22, a second limit groove matched with the second limit block 26 is formed in the lower end face of the second extension plate 24, the second limit block 221 is connected to the second limit block 26 in the T-shaped limit groove 25 or the T-shaped limit block 25 in the direction perpendicular to the second limit block 26, and the T-shaped limit block 25 is formed in the two-shaped limit grooves are in the two directions of the two T-shaped limit blocks. Through first stopper 25 and first spacing groove 211 cooperation, second stopper 26 and second spacing groove 221 cooperation can promote the stability of first protection machanism 2, and when removing the pole setting 11 of being connected with first extension board 22 and second extension board 24, first extension board 22 and second extension board 24 can synchronous slip, and adjust the area of covering of first protection machanism 2 along its slip direction, when removing the pole setting 11 of being connected with second diaphragm 23 and second extension board 24, can make second diaphragm 23 and second extension board 24 synchronous slip, and adjust the area of covering of first protection machanism 2 along this slip direction, and then satisfy the shielding demand of not equidimension machine (like the mixer, bar cutter).
As shown in fig. 1, 2 and 5, the second protection mechanism 3 includes a first connecting piece 31, a second connecting piece 32, a third connecting piece 33 and a fourth connecting piece 34 fixedly connected to different vertical rods 11, the first connecting piece 31, the second connecting piece 32, the third connecting piece 33 and the fourth connecting piece 34 are all L-shaped members, one end of the first connecting piece 31 slides in the second connecting piece 32, one end of the third connecting piece 33 slides in the fourth connecting piece 34, a first protection net 35 is arranged between the first connecting piece 31 and the second connecting piece 32, a second protection net 36 is arranged between the third connecting piece 33 and the fourth connecting piece 34, the first protection net 35 is fixedly connected to the first connecting piece 31 and the second connecting piece 32, the second protection net 36 is fixedly connected to the third connecting piece 33 and the fourth connecting piece 34, the first protection net 35 and the second protection net 36 are nylon ropes and can intercept the falling objects and relieve the impact force of the falling objects, when the first connecting piece 31 and the second connecting piece 32 are far from the first protection net 33 and the second protection net 36 is still in a state when the second connecting piece 32 is far away from the first protection net 33 and the fourth protection net, and the second protection net is still in a far away from the middle state when the first protection net is far away from the second protection net 33.
As shown in fig. 1, fig. 2 and fig. 5, the second protection mechanism 3 further includes a third limiting block 37 fixedly connected to the third connecting piece 33 and the fourth connecting piece 34, third limiting grooves 38 adapted to the third limiting block 37 are formed in the first connecting piece 31 and the second connecting piece 32, the cross section of the third limiting block 37 may be T-shaped or dovetail-shaped, in this embodiment, the sliding direction of the third limiting block 37 is perpendicular to the sliding direction of the first limiting block 25 and the second limiting block 26, the first protection net 35 and the second protection net 36 are staggered up and down, when the third limiting block 37 slides out of the third limiting grooves 38, the second protection net 36 is located below the first protection net 35 in this embodiment, and the projection of the first protection net 35 is always staggered with the projection of the second protection net 36. Because the first protection mechanism 2 and the second protection mechanism 3 are both connected to the upright rod 11, when the covering area of the first protection mechanism 2 is adjusted, the covering protection area of the second protection mechanism 3 can be synchronously adjusted, and the first protection net 35 and the second protection net 36 can intercept the falling object and relieve the impact force of the falling object when the falling object impacts the first protection mechanism 2, so that the impact force of the falling object when the falling object impacts the first protection mechanism 2 is reduced, and the service life of the first protection mechanism 2 is prolonged.
As shown in fig. 1, fig. 2 and fig. 4, the lower end face of the upright rod 11 is fixedly connected with a mounting plate 12, the lower end face of the mounting plate 12 is provided with a universal wheel 13, the safety anti-falling device is convenient for adjusting the covering areas of the first protection mechanism 2 and the second protection mechanism 3 in a moving position, the mounting plate 12 is provided with a parking mechanism 4, the parking mechanism 4 is used for avoiding the rotation of the universal wheel 13 after adjusting the covering area of the device, the parking mechanism 4 comprises a threaded rod 41 penetrating through and in threaded connection with the mounting plate 12, one end of the threaded rod 41 below the mounting plate 12 is fixedly connected with a supporting block 42, and the supporting block 42 is a rubber block. The abutting block 42 is abutted with the surface of the wheel body of the universal wheel 13 through rotating the threaded rod 41, the universal wheel 13 cannot rotate through friction force, the distance between the vertical rods 11 is unchanged, and then the covering area of the first protection mechanism 2 and the second protection mechanism 3 is unchanged.
The working principle of the safety anti-falling device for building construction in the embodiment is that when the safety anti-falling device is used, at least two workers are needed to cooperate, firstly, the device is moved to the position above a machine to be subjected to anti-falling protection, when the upright rod 11 connected with the first extension plate 22 and the second extension plate 24 is moved, the first extension plate 22 and the second extension plate 24 can synchronously slide, the covering area of the first protection mechanism 2 is adjusted along the sliding direction of the first extension plate 22 and the second extension plate 24, meanwhile, the first connecting piece 31 and the second connecting piece 32 in the second protection mechanism 3 are mutually far away, the third connecting piece 33 and the fourth connecting piece 34 are mutually far away, the lowest point of the first protection net 35 and the second protection net 36 moves upwards, the protection area is increased, when the upright rod 11 connected with the second transverse plate 23 and the second extension plate 24 is moved, the covering area of the first protection mechanism 2 is adjusted along the sliding direction, the first connecting piece 31 and the third connecting piece are mutually far away, the second connecting piece 32 and the fourth connecting piece 34 are mutually far away, the total friction area between the first protection net 35 and the second protection net 36 is not changed, the total friction area between the first protection mechanism and the second protection mechanism is not changed, the surface of the first protection net and the second protection mechanism is not changed, the total friction area is reduced, and the total friction area between the first protection net and the second protection mechanism is not can be increased, and the surface is further, and the protection area is not can be increased, and the protection by the protection area is reduced, and the total friction, and the protection area is 13 is further is reduced, and the protection, and the device can not can be changed, and can meet the protection demand and has and 3 and has and 3 protection conditions.
Embodiment two;
As shown in fig. 6 and 7, the difference from the first embodiment is that a plurality of first insertion holes 251 are equidistantly formed on the first limiting block 25, a first insertion rod 27 with one end located in the first limiting groove 211 is inserted on the first transverse plate 21, the first insertion rod 27 is adapted to the first insertion holes 251, a plurality of second insertion holes 261 are equidistantly formed on the second limiting block 26, a second insertion rod 28 with one end located in the second limiting groove 221 is inserted on the first extending plate 22, the second insertion rods 28 are adapted to the second insertion holes 261, a plurality of third insertion holes 371 are equidistantly formed on the third limiting block 37, a third insertion rod 39 with one end located in the third limiting groove 38 is inserted on each of the first connecting piece 31 and the second connecting piece 32, and the third insertion rod 39 is adapted to the third insertion holes 371.
The working principle of the safety anti-falling device for building construction in this embodiment is that after the space between the upright posts 11 is adjusted, the first inserting rod 27 is inserted into the first transverse plate 21 and the first inserting hole 251 at the proper position, the second inserting rod 28 is inserted into the first extending plate 22 and the second inserting hole 261 at the proper position, the two third inserting rods 39 are respectively inserted into the corresponding first connecting piece 31 or second connecting piece 32 and the third inserting hole 371 at the proper position, and the sliding direction of the third limiting block 37 is perpendicular to the sliding direction of the first limiting block 25 and the second limiting block 26, so that after the inserting rods are inserted, the space between the upright posts 11 can be further prevented from changing, and the adjusted covering and protecting area is further prevented from changing.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a safe anti-falling device for construction is built to room, includes supporting mechanism (1), be provided with first protection machanism (2) and second protection machanism (3) on supporting mechanism (1), supporting mechanism (1) include pole setting (11), first protection machanism (2) are including respectively the rigid coupling in different first diaphragm (21), first extension board (22), second diaphragm (23) and second extension board (24) on pole setting (11), first extension board (22) one end slide in first diaphragm (21), second extension board (24) one end slide in second diaphragm (23), second diaphragm (23) up end rigid coupling has first stopper (25), first stopper (25) sliding connection in first spacing groove (211) in the second end face (26) and second end face (26) are seted up in second spacing groove (221) the rigid coupling.
2. The safety anti-falling device for building construction according to claim 1, wherein the first transverse plate (21) and the second transverse plate (23) are positioned on two upright posts (11) on the same side, and the first extension plate (22) and the second extension plate (24) are positioned on two upright posts (11) on the same side.
3. The safe anti-falling device for building construction according to claim 2, wherein the second transverse plates (23) are arranged below the first transverse plates (21) in a fitting and staggered mode.
4. The safe anti-falling device for building construction according to claim 1, wherein the second protection mechanism (3) comprises a first connecting piece (31), a second connecting piece (32), a third connecting piece (33) and a fourth connecting piece (34) which are fixedly connected to different vertical rods (11), one end of the first connecting piece (31) slides in the second connecting piece (32), one end of the third connecting piece (33) slides in the fourth connecting piece (34), a first protection net (35) is arranged between the first connecting piece (31) and the second connecting piece (32), and a second protection net (36) is arranged between the third connecting piece (33) and the fourth connecting piece (34).
5. The safe anti-falling device for building construction according to claim 4, wherein the second protection mechanism (3) further comprises a third limiting block (37) fixedly connected to the third connecting piece (33) and the fourth connecting piece (34), and third limiting grooves (38) matched with the third limiting block (37) are formed in the first connecting piece (31) and the second connecting piece (32).
6. The safe anti-falling device for building construction according to claim 5, wherein the sections of the first limiting block (25), the second limiting block (26) and the third limiting block (37) are T-shaped or dovetail-shaped.
7. The safety anti-falling device for building construction according to claim 4, wherein the first protection net (35) and the second protection net (36) are arranged in a staggered manner up and down.
8. The safety anti-falling device for building construction according to claim 7, wherein the projection of the first protection net (35) is always staggered with the projection of the second protection net (36).
9. The safe anti-falling device for building construction according to claim 1 is characterized in that the lower end face of the upright rod (11) is fixedly connected with a mounting plate (12), and the lower end face of the mounting plate (12) is provided with a universal wheel (13).
10. The safe anti-falling device for building construction according to claim 9, wherein the mounting plate (12) is provided with a parking mechanism (4), the parking mechanism (4) comprises a threaded rod (41) penetrating through and in threaded connection with the mounting plate (12), and a supporting block (42) is fixedly connected to the lower end of the threaded rod (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421250832.4U CN222501156U (en) | 2024-06-04 | 2024-06-04 | Safe anti-falling device for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421250832.4U CN222501156U (en) | 2024-06-04 | 2024-06-04 | Safe anti-falling device for building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222501156U true CN222501156U (en) | 2025-02-18 |
Family
ID=94543241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421250832.4U Active CN222501156U (en) | 2024-06-04 | 2024-06-04 | Safe anti-falling device for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222501156U (en) |
-
2024
- 2024-06-04 CN CN202421250832.4U patent/CN222501156U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216239867U (en) | Building construction safety device | |
| CN213806482U (en) | Combined scaffold for construction site | |
| CN112627560A (en) | Horizontal protective structure of elevator shaft | |
| CN217353675U (en) | Rail guard is used in elevartor shaft construction in room | |
| CN213539661U (en) | Working platform for attached electric construction platform | |
| CN222949601U (en) | Building engineering protection network | |
| CN203440913U (en) | Supporting structure for reinforced concrete corridor construction | |
| CN210459915U (en) | Combined operation platform | |
| CN219794744U (en) | Shaping edge opening protecting device | |
| CN202324673U (en) | Protection fence | |
| CN222414344U (en) | Building construction safety rail guard convenient to equipment | |
| CN220365415U (en) | Construction rail guard is built in room | |
| CN216739303U (en) | Auxiliary hanging bracket for railway bridge and culvert construction | |
| CN207032915U (en) | A kind of architectural engineering safety guard net | |
| CN214570297U (en) | Tower crane pedestrian passageway | |
| CN223293508U (en) | A construction engineering protection net | |
| CN113202280A (en) | Conversion bracket type steel structure for steel structure high-altitude construction and construction method thereof | |
| CN220100747U (en) | Telescopic floor edge guard rail | |
| CN216766994U (en) | Safety protection device for electronic information engineering signal tower | |
| CN218061328U (en) | Scaffold for building construction | |
| CN220117693U (en) | Safety protection device | |
| CN214942811U (en) | A protective shed for easy installation and disassembly of construction projects | |
| CN219281199U (en) | Movable scaffold structure | |
| CN213418547U (en) | Ground safety device for building engineering | |
| CN222101429U (en) | A scaffolding protective guardrail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |