CN108370812B - adjustable nursery stock planting support frame - Google Patents

adjustable nursery stock planting support frame Download PDF

Info

Publication number
CN108370812B
CN108370812B CN201711442500.0A CN201711442500A CN108370812B CN 108370812 B CN108370812 B CN 108370812B CN 201711442500 A CN201711442500 A CN 201711442500A CN 108370812 B CN108370812 B CN 108370812B
Authority
CN
China
Prior art keywords
support
rod
sliding
ring
pressing
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
Application number
CN201711442500.0A
Other languages
Chinese (zh)
Other versions
CN108370812A (en
Inventor
陈冲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGXI WANGPIN AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
JIANGXI WANGPIN AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGXI WANGPIN AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd filed Critical JIANGXI WANGPIN AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201711442500.0A priority Critical patent/CN108370812B/en
Publication of CN108370812A publication Critical patent/CN108370812A/en
Application granted granted Critical
Publication of CN108370812B publication Critical patent/CN108370812B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/04Supports for hops, vines, or trees
    • A01G17/14Props; Stays

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Supports For Plants (AREA)

Abstract

The invention discloses an adjustable nursery stock planting support frame which comprises a support ring, wherein a first opening is formed in the front end surface of the support ring, a support rod is hinged to the outer surface of the support ring through a first hinge shaft, an insertion rod is fixedly connected to the lower surface of the support rod, a sliding rod is arranged at the lower end of the outer surface of the support rod, a sliding block is connected to the outer surface of the sliding rod in a sliding mode, a baffle is connected to the lower surface of the sliding block in a sliding mode through a sliding spring in a sliding mode, a rotating nut is hinged to the outer surface of the sliding block through a second hinge shaft, and a support connecting rod is connected to the inner thread of the. This support frame is supported in nursery stock planting with adjustable comes articulated swivel nut through sliding connection's sliding block, combines the support connecting rod to couple together adjacent support frame, can improve the stability of using greatly like this, guarantees to support intensity, avoids empting.

Description

Adjustable nursery stock planting support frame
Technical Field
The invention relates to the technical field of tree planting, in particular to an adjustable seedling planting support frame.
Background
In tree planting, some planting ground soil is soft, and in order to guarantee the survival rate that tree planting, generally all can use the planting support to support trees, but current support frame is many simple and practical simple stuff is tied up and is supported on the trunk, such structural style is very insecure, the practicality is relatively poor, and still can not connect adjacent support frame, the bulk strength is lower, influence stability, it just can support the trunk to have again, and the easy flagging of branch will influence the equilibrium of trees, also can cause the influence to normal production, like this will greatly reduced tree survival rate and ornamental effect.
Disclosure of Invention
The invention aims to provide an adjustable seedling planting support frame to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an adjustable nursery stock planting support frame comprises a support ring, wherein a first opening is formed in the front end surface of the support ring, a support rod is hinged to the outer surface of the support ring through a first hinge shaft, an insertion rod is fixedly connected to the lower surface of the support rod, a sliding rod is arranged at the lower end of the outer surface of the support rod, a sliding block is connected to the outer surface of the sliding rod in a sliding manner, a baffle is connected to the lower end of the outer surface of the sliding rod in a sliding manner through a sliding spring, a rotating nut is hinged to the outer surface of the sliding block through a second hinge shaft, a support connecting rod is connected to the inner portion of the rotating nut in a threaded manner, a connecting groove is formed in the upper end of the outer surface of the support rod, a compression ring is connected to the outer surface of the connecting groove in a sliding manner, a second, the lower surface of the pressing rod is fixedly connected with a pressing threaded head, the lower surface of the pressing threaded head is fixedly connected with a conical column, the outer surface of the pressing threaded head is in threaded connection with a balancing weight through a pressing threaded hole, the inner side surface of the pressing threaded hole is provided with a positioning hole, the inner surface of the positioning hole is in sliding connection with a positioning insertion rod, the inner upper surface of the positioning insertion rod is in sliding connection with the lower surface of the conical column through a conical surface, the lower end of the inner side surface of the positioning insertion rod is fixedly connected with a stop block, the outer side surface of the stop block is fixedly connected with a return spring, the outer surface of the pressing ring is fixedly connected with a connecting ring through a connecting rod, the front end surface of the connecting ring is provided with a third opening, an annular connecting groove is arranged inside the connecting ring, the inner, the utility model discloses a threaded connection of support threaded rod, including support threaded rod, last fixed surface of support threaded rod is connected with clamping nut, the last fixed surface of support threaded rod is connected with the connecting block, the upper surface of connecting block is equipped with hexagonal groove, the surface threaded connection of support threaded rod has the regulation section of thick bamboo, the last fixed surface of adjusting the section of thick bamboo is connected with arc support, the inboard surface sliding connection of adjusting the section of thick bamboo in the surface of connecting block.
Preferably, the number of the support rods is at least four, and the support rods are uniformly distributed on the outer side surface of the support ring at equal angles.
Preferably, both ends of the support connecting rod are fixedly connected with connecting thread heads.
Preferably, the inside both sides of adjusting a section of thick bamboo are equipped with the slip spacing groove, the inside sliding connection in slip spacing groove has the limiting plate, the last fixed surface of limiting plate is connected with spacing spring, the lower surface of limiting plate passes through hexagon post sliding connection in the inboard surface in hexagon groove.
Preferably, the first opening, the second opening and the third opening are all located in the same direction.
Compared with the prior art, the invention has the beneficial effects that: this support frame is supported in nursery stock planting with adjustable comes articulated swivel nut through sliding connection's sliding block, combine the support connecting rod to couple together adjacent support frame, improve bulk strength, avoid empting, simultaneously through compressing tightly pole threaded connection balancing weight, can compress tightly support frame, guarantee stability, it connects a regulation section of thick bamboo to have exactly the support threaded rod through clamping nut locking, can support by the branch, guarantee the equilibrium, can improve the stability of using like this greatly, guarantee to support intensity, avoid empting.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a bracket link connection of the present invention;
FIG. 3 is a schematic view of the weight structure of the present invention;
FIG. 4 is a schematic top view of the attachment ring of the present invention;
FIG. 5 is a schematic view of the adjustment barrel attachment of the present invention;
FIG. 6 is a schematic cross-sectional view of an adjustment barrel of the present invention.
In the figure: the device comprises a support ring 1, a first opening 11, a first hinging shaft 12, a support rod 13, an insertion rod 14, a sliding rod 15, a connecting groove 16, a sliding block 2, a sliding spring 21, a baffle 22, a second hinging shaft 23, a rotating nut 24, a support connecting rod 25, a pressing ring 3, a second opening 31, a rotating block 32, a pressing rod 33, a pressing thread head 34, a conical column 35, a pressing thread hole 36, a balancing weight 37, a positioning hole 4, a positioning insertion rod 41, a conical surface 42, a stopping block 43, a return spring 44, a connecting rod 5, a connecting ring 51, a third opening 510, an annular connecting groove 52, a supporting threaded rod 53, a clamping plate 54, a clamping nut 55, a connecting block 56, a hexagonal groove 57, an adjusting cylinder 6, an arc-shaped support 61, a limiting groove 62, a limiting plate 63, a limiting spring 64 and.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an adjustable nursery stock planting support frame comprises a support ring 1, a first opening 11 is arranged on the front end surface of the support ring 1, support rods 13 are hinged on the outer surface of the support ring 1 through first hinge shafts 12, the number of the support rods 13 is at least four, and the support rods are uniformly distributed on the outer side surface of the support ring 1 at equal angles and can be supported at multiple positions to improve stability, insertion rods 14 are fixedly connected to the lower surface of the support rods 13, sliding rods 15 are arranged at the lower ends of the outer surface of the support rods 13, sliding blocks 2 are slidably connected to the outer surface of the sliding rods 15, baffles 22 are slidably connected to the lower surface of the sliding blocks 2 through sliding springs 21 and can be supported on the ground after being inserted into soil to increase contact area and ensure the stability of support, the baffles 22 are slidably connected to the lower ends of the outer surface of the sliding, the internal thread of the rotating nut 24 is connected with a support connecting rod 25, both ends of the support connecting rod 25 are fixedly connected with connecting thread heads, two adjacent supporting frames can be connected and mutually supported, the stability of the whole structure is improved, the upper end of the outer surface of the supporting rod 13 is provided with a connecting groove 16, the outer surface of the connecting groove 16 is connected with a pressing ring 3 in a sliding manner, the front end surface of the pressing ring 3 is provided with a second opening 31, the lower surface of the pressing ring 3 is rotatably connected with a pressing rod 33 through a rotating block 32, the lower surface of the pressing rod 33 is fixedly connected with a pressing thread head 34, the lower surface of the pressing thread head 34 is fixedly connected with a conical column 35, the outer surface of the pressing thread head 34 is in threaded connection with a balancing weight 37 through a pressing thread hole 36, the balancing weight can be buried in soil, the stability of the pressing ring 3, the anti-toppling device is prevented from toppling, a positioning hole 4 is formed in the inner side face of the pressing threaded hole 36, a positioning insertion rod 41 is connected to the inner surface of the positioning hole 4 in a sliding mode, the inner upper surface of the positioning insertion rod 41 is connected to the lower surface of the tapered column 35 in a sliding mode through a tapered face 42, a stop block 43 is fixedly connected to the lower end of the inner side surface of the positioning insertion rod 41, a reset spring 44 is fixedly connected to the outer side surface of the stop block 43, a connecting ring 51 is fixedly connected to the outer surface of the pressing ring 3 through a connecting rod 5, a third opening 510 is formed in the front end surface of the connecting ring 51, the first opening 11, the second opening 31 and the third opening 510 are located in the same direction, a trunk is conveniently sleeved inside, the convenience and the stability of connection are improved, an annular connecting groove 52 is formed in the connecting ring, the lower end of the outer surface of the supporting threaded rod 53 is in threaded connection with a clamping nut 55 and can be fixed after being sleeved in a sliding mode, the connection stability is improved, branches are supported and prevented from sagging, the upper surface of the supporting threaded rod 53 is fixedly connected with a connecting block 56, the upper surface of the connecting block 56 is provided with a hexagonal groove 57, the outer surface of the supporting threaded rod 53 is in threaded connection with an adjusting cylinder 6, the supporting height is convenient to adjust, the upper surface of the adjusting cylinder 6 is fixedly connected with an arc support 61 and can support the branches, the inner side surface of the adjusting cylinder 6 is in sliding connection with the outer surface of the connecting block 56, two sides inside the adjusting cylinder 6 are provided with sliding limiting grooves 62, a limiting plate 63 is in sliding connection with the inside of each sliding limiting groove 62, a limiting spring 64 is fixedly connected with the upper surface of each limiting plate 63, and the, can carry out spacingly, avoid not hard up, improve the stability after the regulation.
The invention is implemented as follows: when the tree trunk fixing device is used, the support ring 1 and the pressing ring 3 can be sleeved on the outer side of a tree trunk and positioned through the support ring 1, then the support rod 13 can be inserted into soil through the insertion rod 14, the support ring 1 can also be positioned, the tree trunk can be supported, meanwhile, the balancing weight 37 can be buried into the soil according to the positioned position, then the pressing rod 33 can be rotated to drive the pressing threaded head 34 to be in threaded connection with the pressing threaded hole 36 and be connected to the balancing weight 37, the pressing ring 3 can be tensioned downwards, the support rod 13 can be pressed, the rotation around the first hinge shaft 12 can be avoided, the loosening can be avoided, the connection stability can be improved, meanwhile, when the pressing threaded head 34 is rotated, the conical surface 42 can be pressed through the conical column 35, the contact position is wider and wider, the positioning insertion rod 41 can be ejected outwards and can be inserted into the soil which is not shoveled, the stability of the balancing weight 37 is improved, the stability of compaction can also be improved, meanwhile, the supporting threaded rod 53 can slide in the annular connecting groove 52 to adjust the position, the arc-shaped bracket 61 can be adjusted to the position below the branch to be supported, tightening the clamping nut 55, in conjunction with the clamping plate 54, then clamps the attachment ring 51, possibly in position, the hexagonal post 65 can then be carried out of the hexagonal groove 57 by the stop plate 63, and the adjustment cylinder 6 can then be turned to move on the support threaded rod 53, can adjust the supporting height, is convenient to adapt to branches at different positions for supporting and is more convenient, then the limiting spring 64 pushes downwards the limiting plate 63, the hexagonal column 65 is inserted into the hexagonal groove 57 again for limiting, the rotation is avoided, the adjusting stability is improved, therefore, the supporting convenience and stability can be greatly improved, and the survival rate of tree planting is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a nursery stock planting supports frame with adjustable, includes support ring (1), its characterized in that: the front end surface of the support ring (1) is provided with a first opening (11), the outer surface of the support ring (1) is hinged with a support rod (13) through a first hinged shaft (12), the lower surface of the support rod (13) is fixedly connected with an inserted bar (14), the outer surface lower end of the support rod (13) is provided with a sliding bar (15), the outer surface of the sliding bar (15) is connected with a sliding block (2) in a sliding manner, the lower surface of the sliding block (2) is connected with a baffle (22) in a sliding manner through a sliding spring (21), the baffle (22) is connected to the outer surface lower end of the sliding bar (15) in a sliding manner, the outer surface of the sliding block (2) is hinged with a rotating nut (24) through a second hinged shaft (23), the inner thread of the rotating nut (24) is connected with a support connecting rod (25), and, the outer surface of the connecting groove (16) is connected with a pressing ring (3) in a sliding manner, the front end surface of the pressing ring (3) is provided with a second opening (31), the lower surface of the pressing ring (3) is connected with a pressing rod (33) in a rotating manner through a rotating block (32), the lower surface of the pressing rod (33) is fixedly connected with a pressing thread head (34), the lower surface of the pressing thread head (34) is fixedly connected with a conical column (35), the outer surface of the pressing thread head (34) is connected with a balancing weight (37) in a threaded manner through a pressing thread hole (36), the inner side surface of the pressing thread hole (36) is provided with a positioning hole (4), the inner surface of the positioning hole (4) is connected with a positioning insertion rod (41) in a sliding manner, the inner upper surface of the positioning insertion rod (41) is connected with the lower surface of the conical column (35) in a sliding manner through a conical surface (42), and, the outer side surface of the stop block (43) is fixedly connected with a reset spring (44), the outer surface of the compression ring (3) is fixedly connected with a connecting ring (51) through a connecting rod (5), a third opening (510) is arranged on the front end surface of the connecting ring (51), an annular connecting groove (52) is arranged inside the connecting ring (51), a supporting threaded rod (53) is slidably connected to the inner side surface of the annular connecting groove (52), a clamping plate (54) is fixedly connected to the outer surface of the supporting threaded rod (53), a clamping nut (55) is connected to the lower end of the outer surface of the supporting threaded rod (53), a connecting block (56) is fixedly connected to the upper surface of the supporting threaded rod (53), a hexagonal groove (57) is arranged on the upper surface of the connecting block (56), and an adjusting cylinder (6) is connected to the outer surface of the, the upper surface of adjusting a section of thick bamboo (6) fixed connection has arc support (61), the inside surface sliding connection of adjusting a section of thick bamboo (6) is in the surface of connecting block (56).
2. The adjustable nursery stock planting support frame of claim 1, wherein: the number of the support rods (13) is at least four, and the support rods are uniformly distributed on the outer side surface of the support ring (1) at equal angles.
3. The adjustable nursery stock planting support frame of claim 1, wherein: and both ends of the support connecting rod (25) are fixedly connected with connecting thread heads.
4. the adjustable nursery stock planting support frame of claim 1, wherein: the inside both sides of adjusting a section of thick bamboo (6) are equipped with slip spacing groove (62), the inside sliding connection of slip spacing groove (62) has limiting plate (63), the last fixed surface of limiting plate (63) is connected with spacing spring (64), the lower surface of limiting plate (63) passes through hexagon post (65) sliding connection in the inboard surface of hexagonal groove (57).
5. The adjustable nursery stock planting support frame of claim 1, wherein: the first opening (11), the second opening (31) and the third opening (510) are all located in the same direction.
CN201711442500.0A 2017-12-27 2017-12-27 adjustable nursery stock planting support frame Active CN108370812B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711442500.0A CN108370812B (en) 2017-12-27 2017-12-27 adjustable nursery stock planting support frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711442500.0A CN108370812B (en) 2017-12-27 2017-12-27 adjustable nursery stock planting support frame

Publications (2)

Publication Number Publication Date
CN108370812A CN108370812A (en) 2018-08-07
CN108370812B true CN108370812B (en) 2019-12-10

Family

ID=63015864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711442500.0A Active CN108370812B (en) 2017-12-27 2017-12-27 adjustable nursery stock planting support frame

Country Status (1)

Country Link
CN (1) CN108370812B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112544565A (en) * 2020-12-07 2021-03-26 邵阳县中盛现代农业有限公司 Frog is bred and uses feeder and control system thereof
CN115067142B (en) * 2022-07-15 2024-02-06 中国农业科学院果树研究所 Method for installing side column in orchard supporting system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009041464A1 (en) * 2009-06-03 2011-05-12 Alfred Fuchs Rank device for use in e.g. viniculture, has anchoring section provided axial to shaft, for inserting in base, where anchoring section is made of light metal such as aluminum or aluminum alloy
CN103918522A (en) * 2014-05-09 2014-07-16 赵夫超 Mechanical nursery stock fixing frame
CN204682051U (en) * 2015-06-03 2015-10-07 温州泓呈祥科技有限公司 A kind of municipal trees fixed-guard
CN205266495U (en) * 2015-12-01 2016-06-01 重庆诺雷农业开发有限公司 Afforestation is with resistant to lodging equipment of plant
CN206024705U (en) * 2016-05-09 2017-03-22 富阳市福士得食品有限公司 Side direction mount of municipal afforestation trees
CN206061708U (en) * 2016-09-29 2017-04-05 四川农业大学 A kind of support meanss of intensive trees
CN206227204U (en) * 2016-12-01 2017-06-09 杨航 A kind of support frame of seedling growth
CN206237969U (en) * 2016-12-07 2017-06-13 杨航 A kind of fixing device for seedling growth
CN106942012A (en) * 2017-04-13 2017-07-14 温州职业技术学院 A kind of wooden support meanss of triadius type sapling
CN206674666U (en) * 2017-04-28 2017-11-28 永春县蓬壶昌信桂花专业合作社 A kind of seedling growth fixing device
CN206776309U (en) * 2017-06-09 2017-12-22 安阳市农业科学院 A kind of branch space regulator

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009041464A1 (en) * 2009-06-03 2011-05-12 Alfred Fuchs Rank device for use in e.g. viniculture, has anchoring section provided axial to shaft, for inserting in base, where anchoring section is made of light metal such as aluminum or aluminum alloy
CN103918522A (en) * 2014-05-09 2014-07-16 赵夫超 Mechanical nursery stock fixing frame
CN204682051U (en) * 2015-06-03 2015-10-07 温州泓呈祥科技有限公司 A kind of municipal trees fixed-guard
CN205266495U (en) * 2015-12-01 2016-06-01 重庆诺雷农业开发有限公司 Afforestation is with resistant to lodging equipment of plant
CN206024705U (en) * 2016-05-09 2017-03-22 富阳市福士得食品有限公司 Side direction mount of municipal afforestation trees
CN206061708U (en) * 2016-09-29 2017-04-05 四川农业大学 A kind of support meanss of intensive trees
CN206227204U (en) * 2016-12-01 2017-06-09 杨航 A kind of support frame of seedling growth
CN206237969U (en) * 2016-12-07 2017-06-13 杨航 A kind of fixing device for seedling growth
CN106942012A (en) * 2017-04-13 2017-07-14 温州职业技术学院 A kind of wooden support meanss of triadius type sapling
CN206674666U (en) * 2017-04-28 2017-11-28 永春县蓬壶昌信桂花专业合作社 A kind of seedling growth fixing device
CN206776309U (en) * 2017-06-09 2017-12-22 安阳市农业科学院 A kind of branch space regulator

Also Published As

Publication number Publication date
CN108370812A (en) 2018-08-07

Similar Documents

Publication Publication Date Title
CN108370810A (en) One planting fruit-trees nursing branch support device
CN108370812B (en) adjustable nursery stock planting support frame
CN206433493U (en) A kind of Landscape trees fixed mount
CN106857175A (en) Square frame pin hinge type sapling wood support meanss
CN213486102U (en) Stable form supporting construction for ornamental trees and shrubs
CN208821348U (en) A kind of forestry trees cultivating stand
CN206895374U (en) A kind of hillside tree planting fixed mount
CN211064414U (en) Tree support for landscaping engineering
CN216492399U (en) Adjustable tree strutting arrangement
CN213756014U (en) Ornamental trees and shrubs support frame
CN210928814U (en) Landscape plant fixing device
CN208624247U (en) A kind of double stake brackets of folding trees
CN207820711U (en) Forestry Engineering trunk fixed frame
CN209185254U (en) A kind of forestry protection of trees support frame
CN211721309U (en) Landscape transplants tree with preventing wind mount
CN112343276B (en) Corner beautification adjusting device for indoor design
CN220693965U (en) Tree cultivation protection frame
CN205249433U (en) What piece was pulled in area falls to ground stereo set frame
CN220307970U (en) Branch strutting arrangement for mango is planted
CN218184381U (en) Organic pomegranate support frame with adjustable
CN208675959U (en) A kind of peach plantation frame
CN217771021U (en) Branch fixing device is used in landscape garden
CN220830903U (en) Grafting protection mechanism
CN217936715U (en) Forestry is prevented and is prevented empting support frame with trees
CN213784492U (en) Support arrangement is transplanted to nursery stock for afforestation construction

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant