CN219445182U - Slicing machine for traditional Chinese medicine decoction pieces - Google Patents

Slicing machine for traditional Chinese medicine decoction pieces Download PDF

Info

Publication number
CN219445182U
CN219445182U CN202320401721.8U CN202320401721U CN219445182U CN 219445182 U CN219445182 U CN 219445182U CN 202320401721 U CN202320401721 U CN 202320401721U CN 219445182 U CN219445182 U CN 219445182U
Authority
CN
China
Prior art keywords
wall
chinese medicine
decoction pieces
traditional chinese
gear
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
CN202320401721.8U
Other languages
Chinese (zh)
Inventor
解淑强
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.)
Hebei Kangyiqiang Pharmaceutical Co ltd
Original Assignee
Hebei Kangyiqiang Pharmaceutical 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 Hebei Kangyiqiang Pharmaceutical Co ltd filed Critical Hebei Kangyiqiang Pharmaceutical Co ltd
Priority to CN202320401721.8U priority Critical patent/CN219445182U/en
Application granted granted Critical
Publication of CN219445182U publication Critical patent/CN219445182U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Medicines Containing Plant Substances (AREA)

Abstract

The utility model discloses a traditional Chinese medicine decoction piece slicing machine, which relates to the technical field of slicing of traditional Chinese medicine decoction pieces and comprises a support frame, wherein a feed hopper is fixedly arranged on the left side of the top of the support frame, a flow guide pipe is fixedly arranged at the bottom of the feed hopper and positioned at the top of an inner cavity of the support frame, a first driving motor is fixedly arranged at the bottom of the left side of the flow guide pipe, a second gear is fixedly sleeved on the outer wall of a rotating shaft of the driving motor, and a first gear is meshed with the top of the outer wall of the second gear. According to the utility model, under the action of the driving motor I and the meshing action between the gear II and the gear I, the screw rod I is driven to rotate, so that the raw materials of the traditional Chinese medicine decoction pieces are uniformly discharged, enter the inner cavity of the flow guide pipe, and are pushed to the right by the action of the screw rod II, so that the raw materials of the traditional Chinese medicine decoction pieces are discharged from the right side of the flow guide pipe, and the aim of conveniently discharging the raw materials of the traditional Chinese medicine decoction pieces is fulfilled.

Description

Slicing machine for traditional Chinese medicine decoction pieces
Technical Field
The utility model relates to the technical field of slicing of traditional Chinese medicine decoction pieces, in particular to a slicing machine for traditional Chinese medicine decoction pieces.
Background
The Chinese medicinal decoction pieces are prepared by the theory of Chinese medicine and the processing method of Chinese medicine, and can be directly used as Chinese medicine in the clinic of Chinese medicine. The concept shows that the traditional Chinese medicine and the traditional Chinese medicine decoction pieces are not absolutely limited, and the traditional Chinese medicine decoction pieces comprise part of traditional Chinese medicine slices processed in the production place, original-shape medicinal decoction pieces and decoction pieces processed by cutting and stir-frying.
For example, chinese patent publication No. CN211917037U discloses a slicing machine for Chinese herbal pieces. The slicing machine for the traditional Chinese medicine decoction pieces comprises a supporting table; a feed mechanism; a cutting mechanism; a blanking mechanism; a compression mechanism; a motor; the screening mechanism is connected inside the bottom end of the supporting table in a sliding manner and comprises a filter screen, a convex block, a stop block, a supporting block, a spring and a supporting rod; the inside of the supporting table is rotationally connected with the filter screen, one end of the supporting table is internally provided with the supporting block, and the inside of the supporting block is in sliding connection with the supporting rod; the bottom end of the supporting rod is provided with the spring, the spring is arranged in the supporting block, and the top end of the supporting rod is connected with the bottom surface of the filter screen; the top surface of the filter screen is provided with baffle blocks with semicircular cross sections at equal intervals, and the top surface of the filter screen is provided with the convex blocks with T-shaped side walls; and (5) blanking a funnel. The slicing machine for the traditional Chinese medicine decoction pieces is convenient for removing medicinal materials.
The following problems exist in the prior art:
the existing slicing machine for traditional Chinese medicine decoction pieces is inconvenient to discharge when cutting the traditional Chinese medicine decoction pieces, so that the gap between the traditional Chinese medicine decoction pieces is too large, and the cutting efficiency of the traditional Chinese medicine decoction pieces is affected; the existing traditional Chinese medicine decoction piece slicing machine is inconvenient to disassemble the cutting knife when the traditional Chinese medicine decoction piece slicing machine is used for a long time, so that the cutting knife is inconvenient to replace or clean, and the cutting effect of the traditional Chinese medicine decoction pieces is affected.
Disclosure of Invention
The utility model provides a slicing machine for Chinese medicinal decoction pieces, which aims to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a traditional chinese medicine decoction piece slicer, includes the support frame, the left side fixed mounting at support frame top has the feeder hopper, the bottom of feeder hopper just is located the top fixed mounting of support frame inner chamber has the honeycomb duct, the first fixed mounting of the bottom in honeycomb duct left side has driving motor, the fixed gear second that has cup jointed of outer wall of driving motor a rotation axis, the top meshing of gear second outer wall has gear first, the right side fixed mounting at support frame inner chamber top has driving motor second, the outer wall transmission of driving motor second axis of rotation is connected with the V belt, the bottom transmission of V belt is connected with the flywheel axostylus axostyle, the outer wall grafting of flywheel axostylus axostyle has the cutting knife, honeycomb duct right-hand member fixed mounting has the lag, the upper surface on support frame bottom right side and the bottom overlap joint that is located the lag have the collecting box, the right-hand member threaded connection of flywheel axostylus axostyle outer wall has the nut, the cutting knife sets up between the right side of honeycomb duct and the left side of lag.
The technical scheme of the utility model is further improved as follows: the inner wall of the first gear is fixedly provided with a first screw rod, the bottom of the outer wall of the first screw rod is rotationally connected with the front face of the flow guide pipe, and the top of a screw rod rotating shaft is rotationally connected with the top of the inner cavity of the feed hopper.
The technical scheme of the utility model is further improved as follows: the right side of the inner wall of the second gear is fixedly provided with a second screw rod, and the outer wall of the second screw rod is spliced with the right side of the front of the honeycomb duct.
The technical scheme of the utility model is further improved as follows: the flywheel comprises a flywheel shaft rod, and is characterized in that a first pressing plate is fixedly arranged on the outer wall of the flywheel shaft rod and located on the left side of a cutting knife, a second pressing plate is inserted on the outer wall of the flywheel shaft rod and located on the right side of the cutting knife, first teeth are fixedly connected to one sides of the first pressing plate and one side of the second pressing plate, second teeth are fixedly connected to two sides of the cutting knife, and one side of the first teeth is meshed with one side of the second teeth.
The technical scheme of the utility model is further improved as follows: the right side of flywheel axostylus axostyle just is located the right side rotation of nut and is connected with the supporting ball, the right side sliding connection of supporting ball outer wall has the screw thread push pedal, the right side threaded connection of screw thread push pedal outer wall has the regulation swivel nut, the outer wall of regulation swivel nut is connected with the front rotation of lag.
The technical scheme of the utility model is further improved as follows: the upper end and the lower end of the left outer wall of the threaded push plate are movably sleeved with guide rods, and the right side of each guide rod is fixedly arranged on the front face of the protective sleeve.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a traditional Chinese medicine decoction piece slicing machine, which drives a screw rod I to rotate under the action of a driving motor I and the meshing action between a gear II and a gear I, so that the traditional Chinese medicine decoction piece raw materials are uniformly fed, enter into the inner cavity of a flow guide pipe, and are pushed to the right by utilizing the action of the screw rod II, so that the traditional Chinese medicine decoction piece raw materials are discharged from the right side of the flow guide pipe, and the aim of conveniently feeding the traditional Chinese medicine decoction piece raw materials is fulfilled.
2. The utility model provides a traditional Chinese medicine decoction piece slicing machine, which is characterized in that a cutting knife is positioned through the action of a first tooth and a second tooth, so that the problem that the cutting knife rotates on the outer wall of a flywheel shaft rod is avoided, the cutting effect of traditional Chinese medicine decoction pieces is influenced, then an adjusting screw sleeve is rotated, a threaded push plate moves leftwards under the guiding action of a guide rod, the left side of the threaded push plate is tightly pressed with the outer wall of a supporting ball, the right end of the flywheel shaft rod is supported, the problem that the flywheel shaft rod is bent and deformed after long-time use is reduced, and the slicing effect of the traditional Chinese medicine decoction pieces is influenced.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
fig. 2 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. a feed hopper; 11. a first screw rod; 12. a flow guiding pipe; 13. driving a first motor; 14. a first gear; 15. a second gear; 16. a screw rod II;
2. a support frame;
3. a second driving motor; 31. a V-belt; 32. flywheel shaft lever; 33. a cutting knife; 34. a first pressing plate; 35. tooth one; 36. teeth II; 37. a second pressing plate; 38. a nut; 39. a support ball; 310. a guide rod; 311. a threaded push plate; 312. adjusting the screw sleeve;
4. a protective sleeve; 5. and (5) collecting a box.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-2, the utility model provides a slicing machine for traditional Chinese medicine decoction pieces, which comprises a support frame 2, a feed hopper 1 is fixedly arranged on the left side of the top of the support frame 2, a guide pipe 12 is fixedly arranged at the bottom of the feed hopper 1 and positioned at the top of an inner cavity of the support frame 2, a first driving motor 13 is fixedly arranged at the bottom of the left side of the guide pipe 12, a second gear 15 is fixedly sleeved on the outer wall of a rotating shaft of the first driving motor 13, a first gear 14 is meshed with the top of the outer wall of the second gear 15, a second driving motor 3 is fixedly arranged on the right side of the top of the inner cavity of the support frame 2, a triangular belt 31 is connected with the outer wall transmission of the rotating shaft of the second driving motor 3, a flywheel shaft lever 32 is connected with the bottom transmission of the triangular belt 31, a cutting knife 33 is inserted into the outer wall of the flywheel shaft 32, a protecting sleeve 4 is fixedly arranged at the right end of the guide pipe 12, a collecting box 5 is lapped at the upper surface of the right side of the bottom of the support frame 2 and positioned at the bottom of the protecting sleeve 4, a nut 38 is in threaded connection with the right end of the outer wall of the flywheel shaft 32, and the cutting knife 33 is arranged between the right side of the guide pipe 12 and the left side of the protecting sleeve 4.
In this embodiment, the starting device puts the raw materials of the traditional Chinese medicine decoction pieces for cleaning and draining the slices into the inner cavity of the feed hopper 1, pushes the raw materials of the traditional Chinese medicine decoction pieces rightward by using the action of the first driving motor 13, so that the raw materials of the traditional Chinese medicine decoction pieces are discharged from the right side of the guide pipe 12, and when the raw materials of the traditional Chinese medicine decoction pieces are discharged from the right side of the guide pipe 12, the triangular belt 31 is driven to drive by the action of the second driving motor 3, so that the triangular belt 31 drives the flywheel shaft lever 32 to rotate, thereby enabling the cutting knife 33 to cut the raw materials of the traditional Chinese medicine decoction pieces, thereby achieving the purpose of slicing the traditional Chinese medicine decoction pieces, and the sliced traditional Chinese medicine decoction pieces enter the inner cavity of the protective sleeve 4 under the action of the pushing force and are discharged from the bottom of the protective sleeve 4 into the inner cavity of the collecting box 5, thereby achieving the purpose of processing the traditional Chinese medicine decoction pieces.
Example 2
As shown in fig. 1-2, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner wall of the first gear 14 is fixedly provided with a first screw rod 11, the bottom of the outer wall of the first screw rod 11 is rotationally connected with the front side of the guide pipe 12, the top of the rotating shaft of the first screw rod 11 is rotationally connected with the top of the inner cavity of the feed hopper 1, the right side of the inner wall of the second gear 15 is fixedly provided with a second screw rod 16, and the outer wall of the second screw rod 16 is spliced with the right side of the front side of the guide pipe 12.
In this embodiment, under the action of the first driving motor 13, the first spiral rod 11 is driven to rotate under the action of the meshing between the second gear 15 and the first gear 14, so that the raw materials of the traditional Chinese medicine decoction pieces are uniformly discharged, enter the inner cavity of the flow guide pipe 12, and are pushed to the right by the action of the second spiral rod 16, so that the raw materials of the traditional Chinese medicine decoction pieces are discharged from the right side of the flow guide pipe 12.
Example 3
As shown in fig. 1-2, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outer wall of the flywheel shaft lever 32 is fixedly provided with the first pressing plate 34 on the left side of the cutting knife 33, the outer wall of the flywheel shaft lever 32 is inserted with the second pressing plate 37 on the right side of the cutting knife 33, one sides of the first pressing plate 34 and the second pressing plate 37 are fixedly connected with the first tooth 35, two sides of the cutting knife 33 are fixedly connected with the second tooth 36, one side of the first tooth 35 is meshed with one side of the second tooth 36, the right side of the flywheel shaft lever 32 is rotationally connected with the supporting ball 39 on the right side of the nut 38, the right side of the outer wall of the supporting ball 39 is rotationally connected with the threaded push plate 311, the right side of the outer wall of the threaded push plate 311 is rotationally connected with the adjusting screw sleeve 312, the outer wall of the adjusting screw sleeve 312 is rotationally connected with the front of the protecting sleeve 4, the upper end and the lower end of the outer wall of the left side of the threaded push plate 311 are movably sleeved with the guide rod 310, and the right side of the guide rod 310 is fixedly arranged with the front of the protecting sleeve 4.
In this embodiment, when the cutting knife 33 needs to be installed, the cutting knife 33 and the pressing plate two 37 are inserted into the outer wall of the flywheel shaft lever 32, the cutting knife 33 is positioned by utilizing the action of the first tooth 35 and the second tooth 36, so that the cutting knife 33 is prevented from rotating on the outer wall of the flywheel shaft lever 32, the cutting effect of the traditional Chinese medicine decoction pieces is affected, then the nut 38 is rotated by a tool, the cutting knife 33 can be locked, the protective sleeve 4 is fixedly installed on the right side of the guide pipe 12, the adjusting screw sleeve 312 is rotated, the threaded push plate 311 moves leftwards under the guiding action of the guide rod 310, the left side of the threaded push plate 311 is tightly pressed with the outer wall of the supporting ball 39, the right end of the flywheel shaft lever 32 is supported, bending deformation caused by long-time use of the flywheel shaft lever 32 is reduced, and the slicing effect of the traditional Chinese medicine decoction pieces is affected.
The working principle of the slicing machine for the traditional Chinese medicine decoction pieces is specifically described below.
As shown in fig. 1-2, firstly, the equipment is started, the raw materials of the traditional Chinese medicine decoction pieces for cleaning and draining the water substitution slices are put into the inner cavity of the feed hopper 1, the first screw rod 11 is driven to rotate under the action of the first driving motor 13 and the meshing action between the second gear 15 and the first gear 14, so that the raw materials of the traditional Chinese medicine decoction pieces are evenly discharged, the raw materials enter the inner cavity of the guide pipe 12, the raw materials of the traditional Chinese medicine decoction pieces are pushed to the right by the action of the second screw rod 16, the raw materials of the traditional Chinese medicine decoction pieces are discharged from the right side of the guide pipe 12, when the raw materials of the traditional Chinese medicine decoction pieces are discharged from the right side of the guide pipe 12, the triangular belt 31 is driven to drive by the action of the second driving motor 3, the flywheel shaft lever 32 is driven to rotate by the triangular belt 31, and the cutting knife 33 is driven to cut the raw materials of the traditional Chinese medicine decoction pieces, so that the traditional Chinese medicine decoction pieces are sliced, the sliced Chinese herbal medicine decoction pieces enter the inner cavity of the protective sleeve 4 under the action of pushing force, are discharged from the bottom of the protective sleeve 4 and enter the inner cavity of the collecting box 5, so that the aim of processing the Chinese herbal medicine decoction pieces is fulfilled, when the slicing cutter 33 is required to be installed, the slicing cutter 33 and the pressing plate II 37 are inserted on the outer wall of the flywheel shaft lever 32, the slicing cutter 33 is positioned by utilizing the functions of the tooth I35 and the tooth II 36, the slicing cutter 33 is prevented from autorotating on the outer wall of the flywheel shaft lever 32, the cutting effect of the Chinese herbal medicine decoction pieces is influenced, then the nut 38 is rotated by a tool, the slicing cutter 33 can be locked, the protective sleeve 4 is fixedly installed on the right side of the guide pipe 12, the adjusting screw sleeve 312 is rotated, the threaded push plate 311 is moved leftwards under the guide of the guide rod 310, the left side of the threaded push plate 311 is pressed against the outer wall of the supporting ball 39, thereby supporting the right end of the flywheel shaft lever 32, reducing bending deformation caused by long-time use of the flywheel shaft lever 32 and affecting the slicing effect of the traditional Chinese medicine decoction pieces.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a traditional chinese medicine decoction piece slicer, includes support frame (2), its characterized in that: the utility model discloses a cutting knife, including support frame (2), left side fixed mounting on the top of support frame (2), bottom and the top fixed mounting that is located support frame (2) inner chamber of feeder hopper (1) have honeycomb duct (12), the bottom fixed mounting on the left of honeycomb duct (12) has driving motor one (13), the fixed cover of outer wall of driving motor one (13) axis of rotation has gear two (15), the top meshing of gear two (15) outer wall has gear one (14), the right side fixed mounting on support frame (2) inner chamber top has driving motor two (3), the outer wall transmission of driving motor two (3) axis of rotation is connected with V belt (31), the bottom transmission of V belt (31) is connected with flywheel axostylus axostyle (32), the outer wall grafting of flywheel axostylus axostyle (32) has cutting knife (33), honeycomb duct (12) right-hand member fixed mounting has lag (4), the upper surface on support frame (2) bottom right side and the bottom overlap joint that is located lag (4) has collecting box (5), the right-hand member threaded connection of flywheel (32) outer wall has nut (38), the outer wall of honeycomb duct (33) is provided with axostylus axostyle (33) on the right side between cutting knife (12).
2. A microtome for decoction pieces of chinese medicine according to claim 1, wherein: the inner wall of the first gear (14) is fixedly provided with a first screw rod (11), the bottom of the outer wall of the first screw rod (11) is rotationally connected with the front surface of the flow guide pipe (12), and the top of the rotating shaft of the first screw rod (11) is rotationally connected with the top of the inner cavity of the feed hopper (1).
3. A microtome for decoction pieces of chinese medicine according to claim 1, wherein: the right side of the inner wall of the second gear (15) is fixedly provided with a second screw rod (16), and the outer wall of the second screw rod (16) is spliced with the right side of the front face of the guide pipe (12).
4. A microtome for decoction pieces of chinese medicine according to claim 1, wherein: the flywheel axostylus axostyle (32) outer wall and be located the left side fixed mounting of cutting knife (33) and have clamp plate one (34), the outer wall of flywheel axostylus axostyle (32) and be located the right side grafting of cutting knife (33) have clamp plate two (37), one side of clamp plate one (34) and clamp plate two (37) is all fixedly connected with tooth one (35), the both sides of cutting knife (33) are all fixedly connected with tooth two (36), one side of tooth one (35) and one side meshing of tooth two (36).
5. A microtome for decoction pieces of chinese medicine according to claim 1, wherein: the right side of flywheel axostylus axostyle (32) just is located the right side rotation of nut (38) and is connected with supporting ball (39), the right side of supporting ball (39) outer wall is slided and is connected with screw thread push pedal (311), the right side threaded connection of screw thread push pedal (311) outer wall has regulation swivel nut (312), the outer wall of regulation swivel nut (312) is connected with the front rotation of lag (4).
6. A microtome for decoction pieces of traditional Chinese medicine as defined in claim 5, wherein: the upper end and the lower end of the left outer wall of the threaded push plate (311) are movably sleeved with guide rods (310), and the right side of each guide rod (310) is fixedly arranged on the front face of the protective sleeve (4).
CN202320401721.8U 2023-03-07 2023-03-07 Slicing machine for traditional Chinese medicine decoction pieces Active CN219445182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320401721.8U CN219445182U (en) 2023-03-07 2023-03-07 Slicing machine for traditional Chinese medicine decoction pieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320401721.8U CN219445182U (en) 2023-03-07 2023-03-07 Slicing machine for traditional Chinese medicine decoction pieces

Publications (1)

Publication Number Publication Date
CN219445182U true CN219445182U (en) 2023-08-01

Family

ID=87414789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320401721.8U Active CN219445182U (en) 2023-03-07 2023-03-07 Slicing machine for traditional Chinese medicine decoction pieces

Country Status (1)

Country Link
CN (1) CN219445182U (en)

Similar Documents

Publication Publication Date Title
CN211945663U (en) Feeding device of fiber cutting machine
CN219445182U (en) Slicing machine for traditional Chinese medicine decoction pieces
CN216453208U (en) A juice extractor for the production of fruit juice drinks
CN108582183B (en) Shearing mechanism for food processing of adjustable length
CN112386085B (en) Fruit peeling and cutting device
CN212312122U (en) Slicing machine
CN221338619U (en) Dicing machine with tiling function
CN113813639A (en) Liquid medicine component extraction equipment for oncology department
CN117961624A (en) Waste copper recovery melting device for copper bar processing
CN210525165U (en) Potato stripping and slicing device
CN111993476B (en) A slicer
CN221496185U (en) A slicer for traditional chinese medicine
CN112809784A (en) Industrial potato processing blocking device
CN214394342U (en) High-efficient slicer is used in processing of traditional chinese medicine beverage
CN222152185U (en) Crushing and squeezing device for soft extract raw materials
CN218898155U (en) Tuna's device of removing head
CN217915667U (en) Multifunctional ginger slicing and shredding device
CN218797850U (en) Machining and cutting equipment for driving gear of speed reducer
CN222752641U (en) A multifunctional fish processing pretreatment equipment
CN218609744U (en) A crushing apparatus for prickly ash oil draws processing
CN222662003U (en) Food slicer
CN220389583U (en) Straw processingequipment
CN214870849U (en) Centrifugal medicine cutting machine
CN214981517U (en) A traditional Chinese medicine slicer
CN221622734U (en) Waste rubber screening and crushing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant