CN109925652A - One kind can massage board for lying on back - Google Patents

One kind can massage board for lying on back Download PDF

Info

Publication number
CN109925652A
CN109925652A CN201711354641.7A CN201711354641A CN109925652A CN 109925652 A CN109925652 A CN 109925652A CN 201711354641 A CN201711354641 A CN 201711354641A CN 109925652 A CN109925652 A CN 109925652A
Authority
CN
China
Prior art keywords
massage
foot
fixedly connected
lying
fixed frame
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.)
Pending
Application number
CN201711354641.7A
Other languages
Chinese (zh)
Inventor
郭皓
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201711354641.7A priority Critical patent/CN109925652A/en
Publication of CN109925652A publication Critical patent/CN109925652A/en
Pending legal-status Critical Current

Links

Abstract

The present invention relates to field of exercise equipment, board for lying on back can be massaged more particularly to one kind, including at least abdominal boards, the head restraint of foot support bar and the setting of abdominal boards head position lower surface that abdominal boards foot position is fixedly connected, it is characterized in that: the back position of the abdominal boards is provided with rectangular fixed frame, fixed frame upper surface is fixed with gas-permeable nets, there is massage machine in fixed frame below gas-permeable nets, massage machine upper surface is in contact with gas-permeable nets lower surface, massage machine includes massage wheels and massage bracket, massage wheels is cylindrical-shaped structures and what surface was arranged has multiple protrusions, both ends are rotatably connected in massage bracket by shaft, massage bracket is fixedly connected with fixed frame, there is sliding slot at left and right sides of fixed frame, massage wheels are slidably connected in sliding slot by massage bracket.

Description

One kind can massage board for lying on back
Technical field
The present invention relates to field of exercise equipment, and in particular to one kind can massage board for lying on back.
Background technique
Now with the continuous improvement of people's living standards, people increasingly pay attention to taking exercises, many families are all bought Have fitness equipment, fitness equipment can help us to take exercises, for long-time in face of computer work people for possess one to The board for lying on back of vertebra and abdominal exercise is essential, but household on the market lies on the back plate construction all relatively again now It is miscellaneous, the fatigue that cannot be carried out massage to muscle of back and alleviate muscle when taking exercise for a long time of these board for lying on back, so these are lain on the back Plate is taken exercise for a long time during use will cause pulled muscle, and therefore, one kind can massage muscle of back and structure letter Single board for lying on back is suggested, and especially one kind can massage board for lying on back.
Summary of the invention
Customer service of the present invention the deficiencies in the prior art, provide that one kind can massage muscle of back and structure is simply faced upward Bodyboard is suggested, and especially one kind can massage board for lying on back.
Technical problem solved by the invention can be realized using following technical scheme:
One kind can massage board for lying on back, the foot being fixedly connected including at least abdominal boards, abdominal boards foot position The head restraint of support rod and the setting of abdominal boards head position lower surface, the back position of the abdominal boards It is provided with rectangular fixed frame, fixed frame upper surface is fixed with gas-permeable nets, has massage in the fixed frame below gas-permeable nets Device, massage machine upper surface are in contact with gas-permeable nets lower surface.
Massage machine as described above includes massage wheels and massage bracket, and massage wheels are cylindrical-shaped structure and surface is arranged There are multiple protrusions, both ends are rotatably connected in massage bracket by shaft, and massage bracket is fixedly connected with fixed frame.
There is sliding slot at left and right sides of fixed frame as described above, massage wheels are slidably connected in sliding slot by massage bracket.
Massage wheels as described above have three groups, and massage bracket is U-shaped structure, and the both ends of every group of massage wheels are connected by shaft It connects between the U-shaped tip inside of massage bracket, is connect on the outside of U-shaped end with the fixed frame left and right sides, the U-shaped of massage bracket Interlude, which is fixedly connected with connection sheet, makes three groups of massage wheels constitute an entirety.
The top of connection sheet as described above is fixedly connected with spring, and the other end of spring is fixedly connected on fixed frame position In on the inner wall of head support-side, the low side of connection sheet is fixedly connected with puller system.
Connecing puller system as described above includes drag rope of elasticity and pulley, and wherein the two sides of foot support bar are respectively connected with one Group pulley, wherein one end of two drag rope of elasticity are fixedly connected with the low side in connection sheet, the other end point of two drag rope of elasticity Not Chuan Guo foot support bar two sides pulley and end be fixedly connected with pulling force hold ring.
Foot support bar as described above includes foot frame rod, foot pad bar and foot raker, and foot frame rod is perpendicular to foot support bar Middle part is fixedly connected in 90 ° of angles, and foot frame rod is located at the upper surface side of abdominal boards, and with 20 ° of abdominal boards formation~ 40 ° of angle, the foot pad bar and foot raker are fixedly connected on foot frame rod, and the distance between foot pad bar and foot raker are 10cm High-density sponge, the both ends of foot support bar and ground face contact are arranged in~15cm, foot pad bar and the outwardly extending end of foot raker It is respectively arranged with the matched Anti-slip cover of size, multiple protrusions are provided on Anti-slip cover, Anti-slip cover is rubber material.
Head restraint as described above includes the head support rod for being supported on ground, vertical with head support rod fixes Outer sleeve and one end be socketed in the support rod that the other end is fixedly connected with abdominal boards lower surface in outer sleeve, support rod With all design has location hole in outer sleeve wall, have positioning pin on location hole, head support rod with the both ends of face contact set respectively It is equipped with the matched Anti-slip cover of size, multiple protrusions are provided on Anti-slip cover, Anti-slip cover is rubber material.
Abdominal boards head upper surface as described above is provided with massage pillow, inside pillow filled with outside sponge by Leather package, upper surface are fixedly connected with the rubber pad for being provided with protrusion.
The beneficial effects of the present invention are:
Compared with prior art, the massage machine that the present invention is arranged by abdominal boards back, which is given, is doing the people's back taken exercise Portion's muscle is massaged, while massage wheels are provided with three groups and can massage entire back, are ventilative above massage wheels This avoid the airtight a large amount of perspirations in back for net, and pulling force bracelet is pulled to drive sliding slot of the massage wheels at left and right sides of fixed frame Interior sliding, the other end is again pulled massage wheels to opposite direction by the elastic force of spring, using the device simultaneously to arm muscles Exercise is played, head restraint, the lifting device being arranged on the head restraint is arranged in abdominal boards head position The height of adjustable abdominal boards head position makes the adjustable comfortable position for being suitble to oneself of people taken exercise and angle Degree reaches optimal exercise effect, and abdominal boards head position upper surface is provided with massage pillow, is head when taking exercise Acupuncture point, which obtains massaging accordingly, promotes head blood circulation, solves training aids in the prior art and is unable to muscle of back massage Defect, provides a kind of board for lying on back that arm exercises can also be carried out to back massage, and especially one kind can be massaged and be lain on the back Plate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of foot raker and foot support bar of the invention.
Fig. 3 is foot raker and litter structural schematic diagram of the invention.
In figure: 1, abdominal boards;2, foot support bar;3, head support rod;4, foot frame rod;5, foot pad bar;6, foot hooks Bar;7, pulley;8, drag rope of elasticity;9, gum cover;10, support rod;11, massage headrest;12, gas-permeable nets;13, positioning pin;14, bullet Spring;15, connection sheet;16, massage wheels;17, wheel support is massaged;18, outer sleeve.
Specific embodiment
Embodiment 1:
It referring to Fig.1, is the structural schematic diagram of the embodiment of the present invention 1, one kind can massage board for lying on back, include at least sit-ups What the foot support bar 2 and 1 head position lower surface of abdominal boards that plate 1,1 foot position of abdominal boards are fixedly connected were arranged Head restraint, it is characterized in that: the back position of the abdominal boards 1 is provided with rectangular fixed frame, fixed frame Frame upper surface is fixed with gas-permeable nets 12, there is massage machine in the fixed frame of 12 lower section of gas-permeable nets, massage machine upper surface and thoroughly 12 lower surface of gas net is in contact.
In actual use: foot is placed on the position of foot support bar 2 when exercise, and back is set with 1 back of abdominal boards The gas-permeable nets 12 set are in contact, and gas-permeable nets 12 increase the gas permeability at back, and when exercise will not perspire because of overlong time, thoroughly The massage machine of setting of being in contact below gas net 12 is massaged to muscle of back, alleviates muscular fatigue, the head of abdominal boards 1 Portion position is supported by head restraint.
Embodiment 2:
It is the structural schematic diagram of the embodiment of the present invention 2 referring to Fig. 2, compared with Example 1, the difference of the present embodiment Be: the massage machine includes massage wheels 16 and massage bracket 17, and massage wheels 16 are cylindrical-shaped structure and surface is arranged There are multiple protrusions, both ends are rotatably connected in massage bracket 17 by shaft, and massage bracket 17 is fixedly connected with fixed frame;Institute There is sliding slot at left and right sides of the fixed frame stated, massage wheels 16 are slidably connected in sliding slot by massage bracket 17.
In actual use: the massage wheels 16 of cylindrical-shaped structure are rotatably connected in massage bracket 17 by shaft, massage wheels 16 are slided in sliding slot by massage bracket 17, and massage wheels 16 are rotated around shaft and massaged to muscle of back, 16 cylinder of massage wheels Multiple raised acupuncture points to back of shape structure and surface setting are comprehensively massaged and are promoted blood circulation, and massage is enhanced Effect.
Embodiment 3:
It is the structural schematic diagram of the embodiment of the present invention 3 referring to Fig. 2 and Fig. 3, compared with Example 1, the difference of the present embodiment Place is: the massage wheels 16 have three groups, and massage bracket 17 is U-shaped structure, and the both ends of every group of massage wheels 16 are by turning Axis connection is connect on the outside of U-shaped end with the fixed frame left and right sides between the U-shaped tip inside of massage bracket 17, massage branch The U-shaped interlude of frame 17, which is fixedly connected with connection sheet 15, makes three groups of massage wheels 16 constitute an entirety;The connection sheet 15 Top be fixedly connected with spring 14, the other end of spring 14 is fixedly connected on the inner wall that fixed frame is located at head support-side On, the low side of connection sheet 15 is fixedly connected with puller system;The described puller system that connects includes drag rope of elasticity 8 and pulley 7, wherein The two sides of foot support bar 2 are respectively connected with one group of pulley 7, and wherein one end of two drag rope of elasticity 8 is fixedly connected in connection sheet 15 low side, the other end of two drag rope of elasticity 8 is each passed through the pulley 7 of 2 two sides of foot support bar and end is fixedly connected There is pulling force to hold ring.
In actual use: the contact area of massage wheels and back when three groups of the setting of massage wheels 16 increases massage makes to lie on the back It rises and sits to get up to massage in the section time lain down when taking exercise the muscle at entire back and obtain loosening with good, reach massage The both ends of optimum efficiency, massage wheels 16 are connected between the U-shaped tip inside of massage bracket 17 by shaft, and massage bracket 17 exists Sliding in sliding slot at left and right sides of fixed frame, three groups of massage wheels 16 are linked together and by connection sheet 15 together in fixed frame Sliding, the top of connection sheet 15 are fixedly connected with spring 14 in frame, and the other end of spring 14 is fixedly connected on fixed frame and is located at On the inner wall of head support-side, the low side of contact pin 15 is fixedly connected with puller system, is had an effect upwards by arm and pulling force is pulled to fill Setting slides connection sheet 15 to the foot position of abdominal boards 1, and three groups of massage wheels 16 are also slided to foot position therewith, spring 14 are temporarily opened elongation, and 15 other end of connection sheet is reversely pulled connection sheet 15 by the screen resilience of spring 14, and arm is downward at this time It does not have an effect, three groups of massage wheels 16 are also slided to head position therewith, the massage at muscle of back and acupuncture point has been reached using the device, Arm is also taken exercise simultaneously, puller system includes drag rope of elasticity 8 and pulley 7, in foot support bar 2 and sit-ups Pulley 7 is respectively fixedly connected on the two side lever walls that 1 foot position of plate is fixedly connected, two 8 one end of drag rope of elasticity are fixedly connected on Connection sheet 15 is located at the one end in foot direction, and the other end of drag rope of elasticity 8 passes through pulley connection pulling force and holds ring, by holding bullet The pulling force holding ring of 8 other end of power drawstring pulls three groups of massage wheels 16 to slide in fixed frame and is massaged to muscle of back, Arm is also taken exercise simultaneously, has been achieved the effect that a plate is multi-purpose, has been suitble to widely popularize.
Embodiment 4:
Compared with Example 1, the present embodiment the difference is that: the foot support bar 2 include foot frame rod 4, foot Lining bar 5 and foot raker 6, foot frame rod 4 perpendicular in the middle part of foot support bar 2 be in 90 ° of angles be fixedly connected, and foot frame rod 4 be located at lie on the back The upper surface side of seat plate 1 is played, and forms 20 °~40 ° of angle with abdominal boards 1, the foot pad bar 5 and foot raker 6 are fixed It is connected on foot frame rod 4, the distance between foot pad bar 5 and foot raker 6 are 10cm~15cm, and foot pad bar 5 and foot raker 6 are to extension The both ends of the end setting high-density sponge stretched, foot support bar 2 and ground face contact are respectively arranged with the matched Anti-slip cover of size, Multiple protrusions are provided on Anti-slip cover, Anti-slip cover is rubber material.
In actual use: foot prop dry 4 is fixedly connected on the medium position of foot support bar 2 in 90 ° of most values, and foot prop is 4 dry In the upper surface side of abdominal boards 1, the crowd that foot prop dry 4 is suitble to height low when forming 20 ° with abdominal boards 1 is used, foot The crowd that the angle that frame dry 4 is formed with abdominal boards 1 is suitble to height high when being 40 ° uses, foot prop dry 4 and abdominal boards 1 It is suitble to general population to use when the angle of formation is 30 ° while production complexity can be reduced with mass production, improves production Efficiency;Foot is put between foot pad bar 5 and foot raker 6 when exercise, and heel is placed on foot pad bar 5, and instep catches on foot raker 6, foot Lining bar 5 can make foot more comfortable when taking exercise with the outwardly extending end of foot raker 6 setting high-density sponge, carry out Sit-up exercise, foot pad bar 5 with and the distance between foot raker 6 be 10cm when be suitble to height low and thinner crowd make With, foot pad bar 5 with and the distance between foot raker 6 to be suitble to tall and more fat crowd to use when 15cm, foot pad bar 5 Be suitble to general population to use with when being 13cm with the distance between foot raker 6, produce foot pad bar 5 and between foot raker 6 away from Production complexity is reduced from for the abdominal boards 1 of 13cm, improves production efficiency, therefore can push away extensively with mass production Extensively;The rubber antiskid set of the both ends setting of foot support bar 2 and ground face contact increases the frictional force of foot support bar 2 Yu ground Keep the stability of the abdominal boards 1 when taking exercise more preferable, prevents abdominal boards sliding from causing than necessary injury.
Embodiment 5:
Compared with Example 1, the present embodiment the difference is that: the head restraint include be supported on ground Head support rod 3, the outer sleeve 18 fixed vertical with head support rod 3 and one end be socketed in outer sleeve 18 other end with The support rod 10 that 1 lower surface of abdominal boards is fixedly connected, all design has location hole on 18 wall of support rod 10 and outer sleeve, positions The both ends of Kong Shangyou positioning pin 13, head support rod 3 and ground face contact are respectively arranged with the matched Anti-slip cover of size, on Anti-slip cover Multiple protrusions are provided with, Anti-slip cover is rubber material.
In actual use: the head position of abdominal boards 1 is vertical with head support dry 3 fixed by head support dry 3 Outer sleeve 18 and one end be socketed in the support rod 10 that the other end is fixedly connected with 1 lower surface of abdominal boards in outer sleeve 18 The height of head position is adjusted, according to fixed after personal comfort tuning support rod 10 then selected location, using in this way Structure further improve the comfort using crowd's range while when improving use of board for lying on back, fixed bit postpones logical The location hole fixed height position that positioning pin 13 is inserted on support rod 10 and 18 wall of outer sleeve is crossed, the positioning clamping lock locking bit is used Set simple to operation, rubber antiskid set increase that head support the both ends of doing 3 and ground face contact be arranged comfortably good using board for lying on back Head support dry 3 and the frictional force on ground keep the stability of the abdominal boards 1 when taking exercise more preferable, prevent abdominal boards cunning It is dynamic to cause than necessary injury.
Embodiment 5:
Compared with Example 1, the present embodiment the difference is that: described 1 head upper surface of the abdominal boards setting There is massage pillow 11, is filled with inside massage pillow 11 outside sponge and is wrapped up by leather, upper surface, which is fixedly connected, is provided with protrusion Rubber pad.
In actual use: in the massage pillow 11 of 1 head upper surface of abdominal boards setting outside the sponge filled with softness Portion is wrapped up by leather, and comfort is obtained when improving pillow portion contact massage pillow 11, and upper surface, which is fixedly connected, is provided with protrusion Rubber pad massages the acupuncture point on head, promotes the blood circulation on head.
Embodiments of the present invention are described in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention Various changes can be made, all in the protection scope of the technology.

Claims (9)

1. one kind can massage board for lying on back, abdominal boards (1) is included at least, abdominal boards (1) foot position is fixedly connected The head restraint of foot support bar (2) and the setting of abdominal boards (1) head position lower surface, it is characterized in that: described The back position of abdominal boards (1) is provided with rectangular fixed frame, and fixed frame upper surface is fixed with gas-permeable nets (12), thoroughly There is massage machine in fixed frame below gas net (12), massage machine upper surface is in contact with gas-permeable nets (12) lower surface.
2. one kind according to claim 1 can massage board for lying on back, which is characterized in that the massage machine includes massage wheels (16) and massage bracket (17), massage wheels (16) are cylindrical-shaped structure and what surface was arranged has multiple protrusions, and both ends pass through shaft It is rotatably connected on massage bracket (17), massage bracket (17) is fixedly connected with fixed frame.
3. one kind according to claim 2 can massage board for lying on back, which is characterized in that have at left and right sides of the fixed frame Sliding slot, massage wheels (16) are slidably connected in sliding slot by massage bracket (17).
4. one kind according to claim 2 or 3 can massage board for lying on back, which is characterized in that the massage wheels (16) have three Group, and massage bracket (17) is U-shaped structure, the both ends of every group of massage wheels (16) are connected to the U of massage bracket (17) by shaft Between shape tip inside, connect with the fixed frame left and right sides on the outside of U-shaped end, the U-shaped interlude of massage bracket (17) with Connection sheet (15), which is fixedly connected, makes three groups of massage wheels (16) constitute an entirety.
5. one kind according to claim 4 can massage board for lying on back, which is characterized in that the top of the connection sheet (15) is solid Surely it is connected with spring (14), the other end of spring (14) is fixedly connected on fixed frame and is located on the inner wall of head support-side, even The low side of contact pin (15) is fixedly connected with puller system.
6. one kind according to claim 5 can massage board for lying on back, which is characterized in that the puller system that connects includes elastic force Drawstring (8) and pulley (7), wherein the two sides of foot support bar (2) are respectively connected with one group of pulley (7), two drag rope of elasticity (8) Wherein one end is fixedly connected with the low side in connection sheet (15), and the other end of two drag rope of elasticity (8) is each passed through foot support The pulley (7) of bar (2) two sides and end are fixedly connected with pulling force and hold ring.
7. one kind according to claim 1 can massage board for lying on back, which is characterized in that the foot support bar (2) includes Foot frame rod (4), foot pad bar (5) and foot raker (6), foot frame rod (4) connect perpendicular in the middle part of foot support bar (2) in 90 ° of angles are fixed It connects, and foot frame rod (4) is located at the upper surface side of abdominal boards (1), and forms 20 °~40 ° of folder with abdominal boards (1) Angle, the foot pad bar (5) and foot raker (6) are fixedly connected on foot frame rod (4), between foot pad bar (5) and foot raker (6) away from From for 10cm~15cm, foot pad bar (5) and foot raker (6) outwardly extending end, high-density sponge, foot support bar (2) are set It is respectively arranged with the matched Anti-slip cover of size with the both ends of ground face contact, multiple protrusions are provided on Anti-slip cover, Anti-slip cover is rubber Glue material matter.
8. one kind according to claim 1 can massage board for lying on back, which is characterized in that the head restraint includes branch It supports head support rod (3), vertical with head support rod (3) fixed outer sleeve (18) and one end on ground and is socketed in housing The support rod (10) that cylinder (18) interior other end is fixedly connected with abdominal boards (1) lower surface, support rod (10) and outer sleeve (18) all design has location hole on wall, has on location hole positioning pin (13), and the both ends of head support rod (3) and ground face contact are distinguished It is provided with the matched Anti-slip cover of size, multiple protrusions are provided on Anti-slip cover, Anti-slip cover is rubber material.
9. one kind according to claim 1 can massage board for lying on back, which is characterized in that described abdominal boards (1) head Upper surface is provided with massage pillow (11), and filled with being wrapped up outside sponge by leather inside massage pillow (11), upper surface is fixed It is connected with the rubber pad of protrusion.
CN201711354641.7A 2017-12-15 2017-12-15 One kind can massage board for lying on back Pending CN109925652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711354641.7A CN109925652A (en) 2017-12-15 2017-12-15 One kind can massage board for lying on back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711354641.7A CN109925652A (en) 2017-12-15 2017-12-15 One kind can massage board for lying on back

Publications (1)

Publication Number Publication Date
CN109925652A true CN109925652A (en) 2019-06-25

Family

ID=66980564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711354641.7A Pending CN109925652A (en) 2017-12-15 2017-12-15 One kind can massage board for lying on back

Country Status (1)

Country Link
CN (1) CN109925652A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111938993A (en) * 2020-08-13 2020-11-17 青岛大学附属医院 Auxiliary correcting device for lumbar vertebra treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111938993A (en) * 2020-08-13 2020-11-17 青岛大学附属医院 Auxiliary correcting device for lumbar vertebra treatment

Similar Documents

Publication Publication Date Title
CN208130309U (en) One kind can massage board for lying on back
JP3166604U (en) Supine athletic machine
US20110015048A1 (en) Exercise apparatus for strengthening abdominal muscles
CN201871160U (en) Multi-functional exercise machine
CN109925671A (en) A kind of arm muscle exerciser
CN203539986U (en) Double-pull-cord multifunctional sit-up board
KR101410899B1 (en) Hip up sport outfits
CN109925652A (en) One kind can massage board for lying on back
CN109925661A (en) A kind of adjustable board for lying on back
CN210932567U (en) Body-building bed capable of exercising spine
CN204563459U (en) Multifunctional supination bench
CN207913114U (en) A kind of adjustable board for lying on back
CN107137216A (en) The formula back massager of lying for being easy to buttocks to radiate
CN204952102U (en) Sit -up cushion
CN201076205Y (en) Multifunctional body-building chair
CN209236729U (en) Multifunction fat reducing machine
TWM549641U (en) Fitness equipment
CN208741850U (en) A kind of exercising abdominal muscles plate of health easy cleaning
CN207085198U (en) A kind of resistive drag force tuck hang combined trainer
CN207898864U (en) A kind of multifunctional movement is drawn the abdomen waist-twisting machine
CN201308743Y (en) Sit up support tool
KR200463831Y1 (en) Health equipment for upper body handle control device
CN200991534Y (en) Supination abdomen-building device
CN208493092U (en) A kind of thoracic surgery patient postoperative rehabilitation training aids
CN206273300U (en) A kind of body-building apparatus easy to use

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190625