CN212290109U - Beach bicycle saddle - Google Patents

Beach bicycle saddle Download PDF

Info

Publication number
CN212290109U
CN212290109U CN202020774120.8U CN202020774120U CN212290109U CN 212290109 U CN212290109 U CN 212290109U CN 202020774120 U CN202020774120 U CN 202020774120U CN 212290109 U CN212290109 U CN 212290109U
Authority
CN
China
Prior art keywords
saddle
guide
frame
adjusting screw
adjusting
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.)
Expired - Fee Related
Application number
CN202020774120.8U
Other languages
Chinese (zh)
Inventor
张国钦
刘正良
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.)
Tianjin Qintong Bicycle Co ltd
Original Assignee
Tianjin Qintong Bicycle 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 Tianjin Qintong Bicycle Co ltd filed Critical Tianjin Qintong Bicycle Co ltd
Priority to CN202020774120.8U priority Critical patent/CN212290109U/en
Application granted granted Critical
Publication of CN212290109U publication Critical patent/CN212290109U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Vibration Dampers (AREA)

Abstract

The utility model discloses a sandy beach bicycle saddle belongs to bicycle technical field, its technical scheme include with connected to the frame's saddle, be connected with flexible subassembly between saddle and the frame, flexible subassembly includes dead lever and slide bar, the one end and the saddle fixed connection of slide bar, the other end and dead lever sliding connection, the one end and the connected to the frame of saddle are kept away from to the dead lever, be connected with buffer spring between saddle and the frame, buffer spring's one end and saddle connection, the other end is connected with the butt piece, butt piece and frame butt reach the effect that improves passerby's comfort level.

Description

Beach bicycle saddle
Technical Field
The utility model relates to a bicycle field, in particular to sandy beach bicycle saddle.
Background
The bicycle as a vehicle is integrated into the life of people, and along with the change of life style of people, various bicycles with a special purpose, which are obtained by improving on the basis of the bicycle, gradually enter the life of people.
Current can refer to chinese patent that publication number is CN210310723U, it discloses a snowfield sandy beach electric bicycle, including the pillar, pillar one end is fixed with the base, pillar one side is fixed with the fender, fender one side is opened there is the mounting groove, the inside sliding connection of mounting groove has the mounting panel, mounting panel one end is fixed with the fixed plate, mounting groove one side is opened there is first screw hole, fixed plate one side is opened there is the second screw hole, mounting panel one side is fixed with first stopper, first stopper both sides all are fixed with the spout, the inside sliding connection of spout has the slider, slider one side is fixed with the regulating block, regulating block one side is fixed with the handle, the regulating block bottom is fixed with the kelly. The utility model discloses a first stopper and second stopper's effect is fixed the brush in the fender bottom, and the brush can be with silt or the snow piece sweeping of card in anti-skidding line when using, makes the tire remain clean all the time, and brush convenient to detach, and convenient to use person washs it or changes.
The above prior art solutions have the following drawbacks: because the range of jolting of bicycle is great when riding on the sandy beach, the shock attenuation effect of above-mentioned sandy beach car saddle is relatively poor, rides on the sandy beach for a long time and leads to riding passerby's buttock ache easily, influences the comfort level of riding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sandy beach bicycle saddle, reaching the effect that improves passerby's comfort level to the not enough of prior art existence.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a sandy beach bicycle saddle, includes the saddle with connected to the frame, is connected with flexible subassembly between saddle and the frame, and flexible subassembly includes dead lever and slide bar, the one end and the saddle fixed connection of slide bar, the other end and dead lever sliding connection, the one end and the connected to the frame that the saddle was kept away from to the dead lever, is connected with buffer spring between saddle and the frame, and buffer spring's one end and saddle are connected, and the other end is connected with the butt piece, butt piece and frame butt.
Through adopting above-mentioned technical scheme, when the bicycle amplitude of jolting is great, the slide bar slides for the dead lever to make buffer spring absorb the vibrations that the bicycle produced, reduce the vibrations that transmit on the saddle, and then improve the shock attenuation effect of saddle, improve and ride passerby's comfort level.
The utility model discloses further set up to, the saddle includes seatpad, rigidity skeleton, bumper shock absorber and connection piece, and the seatpad is located the top and the rigidity skeleton fixed connection of rigidity skeleton, and the bumper shock absorber is equipped with two, is located the rear end and the rigidity skeleton of rigidity skeleton and is connected, and the connection piece is connected with two bumper shock absorbers simultaneously.
Through adopting above-mentioned technical scheme, the bumper shock absorber is equipped with two, can increase the shock attenuation effect to the saddle, improves the comfort level of riding passerby, and the connection piece is connected with two bumper shock absorbers, and when the effort that one of them bumper shock absorber received was great, can transmit for another bumper shock absorber through the connection piece for two bumper shock absorbers atress are even, thereby can make the saddle more stable, and the connection piece can play certain supporting role simultaneously.
The utility model discloses further set up to, be equipped with the adjusting part of adjusting the saddle height between rigid skeleton and the frame, adjusting part includes adjusting screw and adjustable ring, adjusting screw's one end and rigid skeleton fixed connection, the other end insert the seat of frame manage in with seat pipe sliding connection, the adjustable ring cover is established on adjusting screw with adjusting screw threaded connection, the adjustable ring rotates with the seat pipe to be connected, is equipped with the direction subassembly between adjusting screw and the seat pipe.
Through adopting above-mentioned technical scheme, when needing the adjustment saddle, rotate the adjustable ring, adjustable ring and adjusting screw threaded connection, the adjustable ring rotates for adjusting screw reciprocates, and adjusting screw removes and drives the saddle and reciprocate, thereby realizes adjusting the height of saddle. When adjusting screw, direction subassembly leads adjusting screw for adjusting screw can only move along its axis, prevents adjusting screw circumferential direction, thereby guarantees that the saddle is in the position of ajusting, improves and rides passerby's comfort level. In addition, the height of the saddle is adjusted by the aid of the adjusting screw and the adjusting ring in a threaded matching mode, stepless adjustment can be achieved, and therefore the bicycle is suitable for people with different heights to ride.
The utility model discloses further set up to, the direction subassembly includes guide bar, guide way and guide block, and the one end fixed connection of rigid skeleton is kept away from to the one end and the adjusting screw of guide bar, and the other end inlays in the seat pipe, and the guide way is seted up on the inner wall of seat pipe, and the one end of guide block inlays in the guide way with guide way sliding connection, and the other end is connected with the guide bar.
Through adopting above-mentioned technical scheme, guide bar and adjusting screw fixed connection, adjusting screw drives the guide bar when reciprocating and reciprocates, and the guide bar reciprocates and drives the guide block and slide along the guide way, and the guide way limits the guide block for the guide block can only vertical removal, and unable circumferential direction, and then makes the unable circumferential direction of adjusting screw, prevents to ride the in-process, and the saddle takes place to rotate, increases the stability of saddle, improves the comfort level of riding passerby.
This practicality further sets up to, the side of guide bar has been seted up and has been held the groove, and the guide block inlays and is equipped with the elastic component in holding the inslot and holding between the groove.
Through adopting above-mentioned technical scheme, when needs take out the guide bar from the seat pipe in to the saddle maintain the operation such as, when the guide bar removed to guide block and adjustable ring butt, the guide block can restrict the guide bar and remove, and at this moment, the compression elastic component inlays the guide block in holding the inslot for the side of guide block flushes with the side of guide bar, thereby makes the guide bar can follow the roll-off between the adjustable ring smoothly, easy operation, convenient to use.
This practicality further sets up as, the elastic component is elastic spring, elastic spring's one end with hold inslot wall fixed connection, the other end and guide block fixed connection.
Through adopting above-mentioned technical scheme, when elastic spring was compressed, the guide block can inlay completely in holding the inslot for the guide bar can be smoothly followed the seat pipe and slided out. When the guide block inlays in the guide way when sliding, elastic spring can make the inner wall butt of guide block and guide way, increases the stability of guide block, and then improves the stability of saddle.
This practicality further sets up to, has seted up the spacing groove on the inner wall of guide way, and sliding connection has stopper, stopper and guide block fixed connection in the spacing groove.
Through adopting above-mentioned technical scheme, spacing groove and stopper cooperation restrict the displacement of guide block, and the effort that acts on the guide block at elastic spring transmits for the guide bar again through the guide block to the effort that avoids the guide block to receive transmits for the seat pipe, thereby can reduce the frictional force between guide block and the guide way inner wall, improves the smooth and easy nature when adjusting the saddle.
The utility model discloses further set up to, buffer spring is connected with the subassembly that stabilizes, and the subassembly that stabilizes includes stabilizer bar and telescopic link, stabilizer bar and butt piece fixed connection, the one end and the stabilizer bar sliding connection of telescopic link, the other end and rigid frame fixed connection.
Through adopting above-mentioned technical scheme, the setting of stabilizer bar and telescopic link can prevent that the adjustable ring from driving the butt piece when rotating and rotating to avoid buffer spring at circumferential direction, increase buffer spring's life, improve the shock attenuation effect.
To sum up, the utility model discloses following beneficial effect has:
1. the telescopic component is matched with the buffer spring, and when the bumping amplitude of the bicycle is large, the buffer spring can absorb the shock generated by the bicycle, so that the shock transmitted to the saddle is reduced, the shock absorption effect of the saddle is improved, and the comfort level of a rider is improved;
2. stabilizer bar and telescopic link set up and can prevent that the adjustable ring from driving the butt piece when rotating and rotate to avoid buffer spring at circumferential direction, increase buffer spring's life, improve the shock attenuation effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a partial structure intended to show the telescopic assembly, the stabilizer assembly and the saddle;
FIG. 3 is an exploded schematic view intended to show the regulating assembly;
fig. 4 is a sectional view intended to show the structure of the elastic spring, the stopper groove, and the like.
Reference numerals: 1. a frame; 11. a seat tube; 12. a foot pedal; 2. a vehicle seat; 21. a seat cushion; 22. a rigid skeleton; 23. a shock absorber; 231. a damping spring; 232. a spring support bar; 24. connecting sheets; 3. a telescoping assembly; 31. fixing the rod; 32. a slide bar; 4. an adjustment assembly; 41. adjusting the screw rod; 42. an adjusting ring; 421. an operating handle; 5. a guide assembly; 51. a guide bar; 511. a containing groove; 512. an elastic spring; 513. a limiting groove; 52. a guide groove; 53. a guide block; 531. a limiting block; 6. a buffer spring; 61. abutting the sheet; 7. a stabilizing assembly; 71. a stabilizer bar; 72. a telescopic rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A beach bicycle saddle comprises a saddle 2 connected with a frame 1, a seat tube 11 is arranged at the position of the middle top of the frame 1, the seat tube 11 is connected with the saddle 2, the saddle 2 is connected with a telescopic component 3, and an adjusting component 4 is arranged between the telescopic component 3 and the seat tube 11, as shown in figure 1.
Referring to fig. 2, the seat 2 includes a seat cushion 21, a rigid frame 22, a shock absorber 23 and a connecting piece 24, the rigid frame 22 is located below the seat cushion 21 and is fixedly connected with the seat cushion 21 to support the seat cushion 21, and an elastic layer made of sponge is bonded on the top surface of the seat cushion 21 to increase the comfort of a rider. The bumper shock absorber 23 is equipped with two, all is located the rear end of rigidity skeleton 22, and the bumper shock absorber 23 includes damping spring 231 and spring support pole 232, the vertical setting of spring support pole 232, top and seatpad 21 fixed connection, bottom threaded connection has the nut, and spring support pole 232 passes the rear end and the rigidity skeleton 22 sliding connection of rigidity skeleton 22. The extension direction of the damping spring 231 is vertical, and the damping spring 231 is sleeved on the periphery of the spring support rod 232. The top end of the damping spring 231 is fixedly connected with the top end of the spring supporting rod 232, and the bottom end of the damping spring 231 is abutted to the top surface of the nut. The connecting piece 24 is horizontally arranged, and two ends of the connecting piece 24 are fixedly connected with the two spring supporting rods 232 respectively, so that the stability of the saddle 2 is improved.
Referring to fig. 2, the telescopic assembly 3 includes a fixing rod 31 and a sliding rod 32, the sliding rod 32 and the fixing rod 31 are both vertically arranged and cylindrical, the top end of the sliding rod 32 is fixedly connected with the rigid framework 22, the bottom end of the sliding rod is slidably connected with the fixing rod 31, and one end of the fixing rod 31 far away from the rigid framework 22 is connected with the adjusting assembly 4.
Referring to fig. 2, the buffer spring 6 is sleeved on the outer peripheries of the sliding rod 32 and the fixing rod 31, the top end of the buffer spring 6 is fixedly connected with the top end of the sliding rod 32, and the bottom end of the buffer spring 6 is connected with the abutting piece 61. The abutting sheet 61 is in a circular ring shape coaxial with the fixing rod 31, the abutting sheet 61 is sleeved on the fixing rod 31 and is in sliding connection with the fixing rod 31, and the bottom end of the buffer spring 6 is fixedly connected with the top surface of the abutting sheet 61.
Referring to fig. 2, be equipped with between butt piece 61 and the rigid skeleton 22 and stabilize subassembly 7, it is equipped with two sets ofly to stabilize subassembly 7 to set up about the axis symmetry of butt piece 61, stabilize subassembly 7 includes stabilizer bar 71 and telescopic link 72, the vertical setting of stabilizer bar 71, bottom and butt piece 61 fixed connection, vertical flexible chamber has been seted up on the top, the bottom of telescopic link 72 inlays in flexible intracavity and stabilizer bar 71 sliding connection, the top and the rigid skeleton 22 fixed connection of telescopic link 72.
Buffer spring 6 further cushions saddle 2, improves the comfort level of riding passerby, and stabilizing assembly 7's setting can prevent that adjustable ring 42 from driving contact piece 61 to rotate when rotating to avoid buffer spring 6 at circumferential direction, increase buffer spring 6's life, improve the shock attenuation effect.
Referring to fig. 3, the height of the seat 2 is adjusted by the adjusting assembly 4, the adjusting assembly 4 includes an adjusting screw 41 and an adjusting ring 42, the adjusting screw 41 is vertically disposed, the top end is fixedly connected with the rigid frame 22, and the bottom end is inserted into the seat tube 11 and slidably connected with the seat tube 11. The adjusting ring 42 is circular, the adjusting ring 42 is sleeved on the adjusting screw 41 and is in threaded connection with the adjusting screw 41, and the adjusting ring 42 is rotatably connected with the top end of the seat tube 11. The circumferential surface of the adjusting ring 42 is hinged with an operating handle 421, and the axial direction of the hinged shaft is horizontal, so that the operating handle 421 can rotate up and down.
Referring to fig. 3, a guide assembly 5 for preventing the rotation of the adjusting screw 41 is connected between the adjusting screw 41 and the seat tube 11, the guide assembly 5 includes a guide rod 51, a guide groove 52 and a guide block 53, the guide rod 51 is cylindrical and coaxial with the adjusting screw 41, and the diameter of the guide rod 51 is the same as the outer diameter of the adjusting screw 41. The two guide grooves 52 are vertically arranged on the inner wall of the seat tube 11, and the guide grooves 52 penetrate through the wall thickness of the seat tube 11. The two guide blocks 53 are respectively positioned in the two guide grooves 52 and are in sliding connection with the guide grooves 52, the guide blocks 53 are connected with the guide rods 51 at positions close to the bottom ends, the top surfaces of the guide blocks 53 are inclined, and the top surfaces of the guide blocks are inclined downwards towards one ends far away from the guide rods 51.
When adjusting saddle 2 height, handheld operating handle 421 rotates adjustable ring 42, and adjustable ring 42 rotates and makes adjusting screw 41 reciprocate, and simultaneously, adjusting screw 41 drives guide block 53 and slides along guide way 52, on the one hand, carries on spacingly to adjusting screw 41, prevents adjusting screw 41 circumferential direction, and on the other hand prevents to drive adjusting screw 41 and rotates at the in-process saddle 2 of riding, improves saddle 2's stability.
Referring to fig. 4, a containing groove 511 for containing the guide block 53 is formed on the circumferential surface of the guide rod 51, the containing groove 511 is located at a position corresponding to the guide block 53, an elastic member is arranged between the containing groove 511 and the guide block 53, the elastic member is an elastic spring 512, the elastic spring 512 extends and retracts in a horizontal direction, one end of the elastic spring is fixedly connected with the side wall of the containing groove 511, and the other end of the elastic spring is fixedly connected with the guide block 53. When the elastic spring 512 is completely compressed, the guide block 53 can be completely fitted into the housing groove 511.
Referring to fig. 4, a limiting groove 513 is formed in the inner wall of the containing groove 511, the length direction of the limiting groove 513 is the same as the telescopic direction of the elastic spring 512, two ends of the limiting groove 513 are sealed, a limiting block 531 is slidably connected in the limiting groove 513, and the limiting block 531 is fixedly connected with the guide block 53.
When the seat 2 needs to be removed for maintenance, the adjusting ring 42 is rotated to separate the adjusting ring 42 from the adjusting screw 41, then the guide rod 51 is moved upwards, after the guide rod 51 is moved to the position where the guide block 53 abuts against the bottom surface of the adjusting ring 42, the guide rod 51 is continuously moved upwards, and because the top surface of the guide block 53 is inclined, in the moving process of the guide rod 51, the edge position of the adjusting ring 42 drives the guide block 53 to be embedded in the containing groove 511, so that the guide block 53 is flush with the circumferential surface of the guide rod 51, and the guide rod 51 can smoothly slide out of the adjusting ring 42, thereby removing the seat 2.
The utility model discloses a use as follows:
when the height of the saddle 2 is adjusted, the adjusting ring 42 is rotated, and the adjusting ring 42 rotates, so that the adjusting screw 41 moves up and down under the action of the guide block 53 and the guide groove 52, the height of the saddle 2 is adjusted, the saddle 2 can be ensured to be in a righting position, and the adjusting device is simple in operation and convenient to adjust.
When the seat 2 needs to be removed, the adjusting ring 42 is rotated and separated from the adjusting screw 41, then the guide rod 51 is continuously moved upwards, and due to the inclined top surface of the guide block 53, the edge position of the adjusting ring 42 drives the guide block 53 to be embedded in the containing groove 511 in the moving process of the guide rod 51, so that the guide block 53 is flush with the circumferential surface of the guide rod 51, the guide rod 51 can smoothly slide out of the adjusting ring 42, and the seat 2 can be removed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A sandy beach bicycle saddle includes the saddle of being connected with the frame, its characterized in that: be connected with flexible subassembly between saddle and the frame, flexible subassembly includes dead lever and slide bar, the one end and the saddle fixed connection of slide bar, the other end and dead lever sliding connection, the one end and the connected to the frame that the saddle was kept away from to the dead lever, are connected with buffer spring between saddle and the frame, buffer spring's one end and saddle are connected, and the other end is connected with the butt piece, butt piece and frame butt.
2. The beach bicycle seat of claim 1, wherein: the saddle includes seatpad, rigidity skeleton, bumper shock absorber and connection piece, and the seatpad is located the top and the rigidity skeleton fixed connection of rigidity skeleton, and the bumper shock absorber is equipped with two, is located the rear end and the rigidity skeleton of rigidity skeleton and is connected, and the connection piece is connected with two bumper shock absorbers simultaneously.
3. The beach bicycle seat of claim 2, wherein: an adjusting assembly for adjusting the height of the saddle is arranged between the rigid framework and the frame, the adjusting assembly comprises an adjusting screw and an adjusting ring, one end of the adjusting screw is fixedly connected with the rigid framework, the other end of the adjusting screw is inserted into a seat tube of the frame and is in sliding connection with the seat tube, the adjusting ring is sleeved on the adjusting screw and is in threaded connection with the adjusting screw, the adjusting ring is rotatably connected with the seat tube, and a guide assembly is arranged between the adjusting screw and the seat tube.
4. The beach bicycle seat of claim 3, wherein: the guide assembly comprises a guide rod, a guide groove and a guide block, one end of the guide rod is fixedly connected with one end of the adjusting screw rod away from the rigid framework, the other end of the guide rod is embedded in the seat tube, the guide groove is formed in the inner wall of the seat tube, one end of the guide block is embedded in the guide groove and is connected with the guide groove in a sliding mode, and the other end of the guide block is connected with the guide rod.
5. The beach bicycle seat of claim 4, wherein: the side of guide bar has been seted up and has been held the groove, and the guide block inlays and is equipped with the elastic component in holding the inslot and holding between the groove.
6. The beach bicycle seat of claim 5, wherein: the elastic piece is elastic spring, elastic spring's one end with hold inslot wall fixed connection, the other end and guide block fixed connection.
7. The beach bicycle seat of claim 4, wherein: the limiting groove is formed in the inner wall of the guide groove, the limiting block is connected to the limiting groove in a sliding mode, and the limiting block is fixedly connected with the guide block.
8. The beach bicycle seat of claim 1, wherein: buffer spring is connected with stabilizing assembly, and stabilizing assembly includes stabilizer bar and telescopic link, stabilizer bar and butt piece fixed connection, the one end and the stabilizer bar sliding connection of telescopic link, the other end and rigid frame fixed connection.
CN202020774120.8U 2020-05-12 2020-05-12 Beach bicycle saddle Expired - Fee Related CN212290109U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020774120.8U CN212290109U (en) 2020-05-12 2020-05-12 Beach bicycle saddle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020774120.8U CN212290109U (en) 2020-05-12 2020-05-12 Beach bicycle saddle

Publications (1)

Publication Number Publication Date
CN212290109U true CN212290109U (en) 2021-01-05

Family

ID=73966003

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020774120.8U Expired - Fee Related CN212290109U (en) 2020-05-12 2020-05-12 Beach bicycle saddle

Country Status (1)

Country Link
CN (1) CN212290109U (en)

Similar Documents

Publication Publication Date Title
CN111605647B (en) Beach bicycle
CN212290109U (en) Beach bicycle saddle
CN211869099U (en) Automobile suspension damping device
CN218287515U (en) Car seat back lumbar support structure
CN213057308U (en) Liftable electric bicycle with shock absorption function
CN218021943U (en) Shock-proof type electricity helping hand bicycle frame
CN216618392U (en) Electromechanical shock attenuation frame structure
CN211076149U (en) Saddle buffer for electric bicycle frame
CN214001894U (en) Bicycle seat post mounting structure
CN201338548Y (en) Vehicular seat shock absorber
CN218967106U (en) Frame structure of scooter
CN201659906U (en) Suspension mechanism for vehicle seat
CN221366473U (en) Buffering and damping driving wheel
CN214647751U (en) Effectual car seat of shock attenuation
CN221393794U (en) Moped saddle convenient to adjust use position
CN213512687U (en) Screw air compressor
CN219668380U (en) Buffer and shock absorption seat for electric vehicle
CN212709755U (en) Shock absorber for electric vehicle backseat
CN209534828U (en) A kind of headrest adjustable and a kind of seat for automobile seat
CN210138254U (en) Wheelchair front fork vibration damping mechanism
CN210076377U (en) Novel earthworm bed top cloth vehicle
CN212667559U (en) Shock-proof turnover seat tube for bicycle
CN220555319U (en) Automobile seat with vibration damper
CN114737690B (en) Shock absorption device of civil engineering structure convenient to disassemble and assemble and application method of shock absorption device
CN219088577U (en) Luggage case front fork assembly capable of riding

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210105