TW300873B - - Google Patents

Description

Printed by the Beigong Consumer Cooperative of the Central Bureau of Economic Development of the Ministry of Economic Affairs \ Α7 Β7 V. Description of the Invention (丨)-[Utilization Fields in the Industry] This invention relates to the suspension structure of a bicycle driven by a shaft. [Conventional Technology] In the past, the above-mentioned suspension structure has been as shown in German Patent Publication No. 3120552A1. According to this suspension structure, the front end of the rear arm extending in the front-rear direction is supported by the lintel support shaft in the frame of the bicycle. The rear "after" part is set to M. The pivot axis is centered to swing freely in the up and down direction; the rear end of the rear hip supports the rear wheel; at the same time, a buffer is provided, and a suspected part is connected to The above-mentioned vehicle frame is connected with the other end at the middle of the rear arm. On the other hand, a crank shaft for supporting the pedal is provided, and a drive shaft for linking the rear wheel to the rear wheel is provided, and the drive shaft is provided inside the rear eagle. These rear hubs and the rear shafts of the drive shaft are arranged in the left-right direction and outside the rear wheels, so that they can avoid the connection of the above rear wheels *. In addition, a seat cushion for the rider to sit on is provided on the upper portion of the above-mentioned vehicle creel. On the occasion of the upper part, the pivot shaft of the pivot shaft and the crank shaft is composed of a shaft shaft; when the rider seated on the seat pedals from the top to the bottom, he will step on one by one to reach the front side of the shaft shaft. When the pedal is rotated around the above, the power generated by the stepping is transmitted to the rear wheel through the crank shaft and the drive shaft that constitute the above-mentioned axle, thereby enabling the bicycle to walk on the road. , On the occasion of walking on uneven pavement, although it has impact force (:::: This paper Lang standard is applicable to China National Standard (CNS) Α4 specification (210X297 mm) I ... .--- I binding I "line ( Please read the precautions on the back before filling in this tile) 300873 a? _B7__ V. Description of the invention (4)-The rear wheel passes through the back to the car "The impulse provided by the frame * but this impact force is absorbed by the above buffer The stretching action is absorbed, so the rider can ensure a good ride. [Problem to be solved by the invention] However, according to the above structure, there are the following problems. First, step on the pedal to make the pedal around The axle body rotates and transmits the power at this time to the rear wheel field When the above pedal reaches the approximate front end of the "pedal rotation trajectory" that deflects the upper plaque, the pedaling force on the pedal becomes approximately maximum, and the large power is transmitted to the rear wheels. The pedaling force causes the above-mentioned shaft to generate a moment in its circumference, and this moment causes the rear end of the rear arm to vibrate upward. Therefore, the bumper is pushed by the rear arm and is consumed unnecessarily, thus generating unnecessary power Loss and other issues. Also, if it is constructed according to the above-mentioned conventional rules, since the buffer is used to counter the torque generated by the above pedaling force, it is required that this class of punch has a larger capacity that can also counter that part; For this reason, there is a problem that the buffer becomes large, or the weight of the director is increased. The Ministry of Economic Affairs, Central Bureau of Accreditation and Employee Consumer Cooperatives printed i. Second, according to the above-mentioned conventional constitution, the rear end and the buffer The average position is on the outside of the rear wheel so as to avoid the connection with the rear wheel, that is, the position of the rear end and the buffer behind the rear back are located in the width direction of the vehicle and are biased from the center of the vehicle body to one side . to this end * When the bicycle is walking, if the impact force acts on the rear wheel or the shock absorber from the rear wheel side, the impact force will cause the rear arm to produce a twist * Therefore, the heavy haw and the unfavorable heavy load on the rear phase and the shock absorber Action bending moment, its knot 5 (please read the precautions on the back before filling in this page) This paper size is applicable to China National Standards (CNS) Α4 specifications (210Χ 297 mm) Ministry of Economic Affairs, Central Bureau of Standardization, Beigong Consumer Cooperative Printing

A7 _B7_ V. Description of the invention (many) _ As a result, there is a wide range of distortion caused by its telescopic action. Therefore, in order to pay attention to some problems, it is necessary to give sufficient strength to the rear buffer or the buffer * However, after satisfying the opposite of its strength, there are rear bumpers and buffers that become large, and reset to aggravate And other issues. In addition, since the shock absorber is provided at a position leaning from the center of the vehicle body to one side, the accuracy of the position of the shock absorber facing the vehicle body frame and the rear eagle is easily reduced. In addition, according to the conventional structure, if you want to sit on the seat and intend to straddle the seat cushion from behind, you must forcefully cross the rear wheel behind the seat cushion, so there is a problem of not getting on and off . Thirdly, according to the above-mentioned conventional structure, the planting support shaft used for supporting the rear support and the main shaft used for supporting the crank shaft of the pedal share a shaft. To this end * for example * if the relative position of the seat cushion and the pedal is set to the desired state, and the crank shaft used to support the pedal is set to the desired position, it is restricted by its colorful sound. The position of the branch of Hou Lu, therefore, it is often impossible to fully lengthen the rear «; at this time, the buffer connected to the rear heel will reduce the degree of freedom of the setting of its maintenance ratio, so with the help of the New Chong The absorption of counterweight is likely to become inadequate. Fourth: When transporting a bicycle, it is required to be folded into a small shape. However, there is no such kind of Kaulu in the above constitution. Fifth, in the case where the seat stab can be freely supported on the front and back seats of an adjustable seat cushion, as mentioned above * When the bicycle is to be miniaturized for this purpose, the above-mentioned seat cushion is required not to hinder the miniaturization. The paper size is suitable for China National Standard (CNS) A4 specification (210X 297mm) 1 ^ --------- ^ 丨 installed ------ ordered ------ I line (please Read the note $ item on the back first and then fill out this page) Printed by the Central Provincial Bureau of Industry and Consumer Cooperatives of the Ministry of Economic Affairs

A7 _B7_ V. Description of the invention (f)-However, the bicycle constituted by the above-mentioned conventional knowledge has not been tested at all. [Object of the invention] The present invention has been completed with an eye on the above points, and has the following object. First, «step on the pedal, so that when the power at this time is transmitted to the rear wheels, it can avoid the shock absorber from being unnecessarily shrunk due to the torque generated by stepping, so that it does not produce unnecessary power loss. * It is the primary purpose of the present invention to miniaturize and lighten the chisel. Secondly, during the walking of the bicycle, when the rear eagle or the shock absorber receives the impact force from the rear wheel, it can avoid the unnecessary large A load on the rear arm, and at the same time, it can prevent the expansion and contraction of the shock absorber. This is the second object of the invention to reduce the size and weight of the rear heron and the shock absorber. In addition, it is slightly for the purpose of the present invention to raise the position of the stage punch that opposes the above-mentioned vehicle frame and rear hips. Furthermore, the purpose of the present invention is to be able to easily sit and get off the vehicle. Thirdly, it is a third object of the present invention to increase the degree of freedom in arranging the pivot support of the rear wall on the vehicle frame, so that the impact force generated by the shock absorber connected to the rear arm can be fully absorbed. Fourth; the bicycle is made into a miniaturized shape so that it can be easily transported as the fourth object of the present invention. Fifth, in the case where the seat can be freely supported on the car frame and the height of the seat cushion can be adjusted, as described above, when the bicycle is to be miniaturized for this purpose, the seat cushion is placed in a place that does not hinder * This makes the above miniaturization more effective, and is the fifth object of the present invention. .Paper scales use the Chinese National Standard (CNS) Α4 specification (210Χ297mm) I--J ----- ^ 1 pack ------ order ----- 1 line (please read the back first Please pay attention to this page and then fill out this page.) A7 B7 V. Description of the invention (f) [Means to solve the problem] The suspension structure of the axle-driven bicycle for the application of the patent application No. 1 to achieve the above purpose includes: the extension of the front and rear directions by the support shaft The front end of the rear arm is supported on the body frame; the rear end of the rear arm is set to * W. The planting shaft is centered to rock freely in the up and down direction; the rear wheel is supported at the rear rear end; and a buffer is provided, One end part is connected to the above-mentioned skeleton frame, and the other end part is connected to the middle part of the rear arm; on the other hand, a crank shaft * for supporting the pedal is provided, and a rear wheel linkage is provided at the same time. The drive shaft connected to the crankshaft; the impact shaft is provided inside the rear eagle; and the rear ends of the rear heel and the drive shaft are arranged outside the rear wheels, etc., constituting the requirements . In the above-mentioned configuration, the crankshaft is supported on the middle part of the rear wheel. In addition, the invention claimed in item 2 of the patent scope: the other part of the shock absorber is connected to the front side of the rear side of the rear wheel, which is located on the front side of the rear wheel. In addition, the invention of patent application No. 3 is a car front frame including: a front tube, which forms the front end of the car body frame so as to freely support the front fork, and a main frame, which is oriented from the front tube The rear extends; and a cushion frame, which protrudes above the rear end of the main frame so that its upper end supports the cushion. Among them, the americium beneath the main frame is equipped with a rear front part. In addition, the invention of patent application No. 4 is to make the connection of the buffer to the frame or the back of the car to be released; to make the level punch out of the frame or the rear of the car, and, Make the above-mentioned car "frame and rear" relatively move around the planting support shaft; by this, the car body frame and the rear thin are close to each other to make it foldable. This paper size is applicable to China National Standard (CNS) Α4 specifications (210X297mm) — _--- J ----- ^ I installed-- (please read the precautions on the back before filling in this page) The line is printed by the Central Bureau of Industry and Commerce Beigong Consumer Cooperative Society (厶)

A7 B7 Those who get up. Furthermore, the invention of claim 5 of the patent scope is: a pad frame is formed by a fixed frame and a movable paddle, wherein the fixed frame is fixed to the main frame and protrudes upward from the rear end of the main frame, and the movable The frame is slidably fitted to the upper end of the fixed frame in the longitudinal direction of the fixed frame, and supports the seat at its upper end; di, when the above body frame and the rear Outside the movable track of the movable frame to the fixed frame. [Effects] The effects constituted by the above are as follows. According to the invention in the first item of the patent application, in the first to third figures, the front end 21 of the back 20 is planted and supported on the body frame 2 by the fulcrum 22, and the stage punch 36 is erected A crank shaft 57 for supporting the pedal 56 is supported between the long-side midway portion of the vehicle frame 2 and the rear arm 20, and in the long-side midway portion of the rear hip 20. Therefore, when the rider steps on the above-mentioned pedal 56 from above to below, and transmits the power at this time to the rear wheels 27, the pedal 56 arrives at its rotation trajectory around the crank spindle 60 (hereinafter referred to as "rotation trajectory" ”) The approximate front end makes the treading force (the third tendon D) become approximately the maximum of this road plate 56, a ''---... ............. ............. _, and the position bismuth of the pedal 56 after [the front and back direction j dimension E, more than the conventional way of letting the pedal 56 rotate around the planting axis 22 Short, therefore, the moment (the moment referred to as "torque" below M) of the support shaft 22 generated by the pedaling force as the rotation center becomes smaller. As a result, the upward perturbation of the rear end 23 side of the epimedium 20 is weakened, thereby suppressing unnecessary shrinkage caused by the step scale 36 being pushed by the posterior 20. I. ·-——- 1 Binding—binding line (please read the precautions on the back before filling this page) This paper size is applicable to China National Standard (CNS) A4 specification (210X297mm) -9 300873 a? _B7_ V. DESCRIPTION OF THE INVENTION (1)-As mentioned above, since the "torque J becomes smaller, the capacity of the above-mentioned blaster 36 can reduce a small part of the upper" torque ". (Please read the precautions on the back before filling in this page) According to the invention of patent application No. 2 in the first to third, the other end of the buffer 36 is connected to a bit More than the rear wheel 27, the front side, the rear side, the front part, the front part 20. Therefore, the front end 21 of the rear heron 20 can be arranged near the center 71 of the vehicle width direction to avoid contact with the rear wheels 27, and the buffer 36 connected to the front end 21 can also be arranged in the vehicle «Near the center 71 (including the center 71 of the vehicle) M avoids contact with the rear wheel 27. As a result, when the bicycle 1 is walking, the rear heron 20 or the stage punch 36 is given an impact force from the rear wheel 27 side. At this time, the impact force from the rear arm 20 toward the impact punch 36 and the secondary stage punch 36 The reaction force of the rearward "20" acts on the rear arm 20 or the buffer 36 roughly at the center 71 of the vehicle, so it can prevent the rear «20 from being skewed, and the rear S 20 from being unnecessarily large. In addition, the damper 36 can also be restrained from being subjected to torque, thereby suppressing distortion of the expansion and contraction action of the stage punch 36. In addition, since the shock absorber 36 can be provided near the center of the vehicle crocodile 71, it is easy to improve the accuracy of the position of the shock absorber 36 with respect to the vehicle sling 2 and the rear arm 20. Furthermore, as described above, since the balance weight 36 is connected to the front end portion 21 of the rear wall 20, the upper space 78 of the rear end portion 23 of the rear arm 20 is opened rearward and upward. Therefore, the space 78 can be used when the seat 1 7 is to be straddled from behind the seat cushion 7 to be seated on the bicycle 1. Consumption · .. 〆〆_ 4 paper scales using the Chinese National Standard (CNS) Μ specifications (210X297 mm), „-10-by the Central Bureau of Standards and Certification X Consumer Cooperative Printed A :: Shot Five, A7 _B7_ Invention Explanation (彳)-As mentioned above, as in the invention of patent application No. 1 *, since a support shaft 22 for pivotally supporting the rear arm 20 and a crank shaft 57 for supporting the pedal 56, As a separate component, it is possible to avoid some restrictions on the arrangement of the support shaft 22 and the crank shaft 57. For this reason, regardless of the presence of the upper crank shaft 57, the plaque frame 2 can be freely configured The pivotal support of the eagle 20. In addition, if the invention according to item 3 of the patent application based on this structure is formed, in the first and third circles, the body frame 2 is provided with: a front tube 3, which forms a car The front end M of the body frame maneuverably supports the front fork lever 15; the bracket 6 is extended from the front tube 3 to the rear; and the two cushion frames 8 are extended upward from the rear end of the main frame 6 to It is used to support the seat 7 at its upper end. The front end 21 of the rear arm 20 is provided on the lower side of the main frame 6 above. Thus, the back planting branch can be avoided The arrangement of the main frame above is restricted due to the main frame of the car front frame. Therefore, as long as the planting branch portion is sufficiently placed in front, the length of the rear arm 20 can be fully elongated. The degree of freedom of the rod ratio of the lifter connected to the strand punch 36. Also, as mentioned above, since the front end 21 of the back 20 is provided below the main frame 6, the rear end of the main frame 6 is not affected by the above rear 》 The limit of 20 can be fully backward: Fang extended. Therefore, the cushion frame 8 that protrudes upward from the main frame 6 above can be made more vertical, thereby suppressing the seated person on the cushion The load on the seat frame 8 acts as a torque, so that the seat frame 8 can be used as the car's direction force to support this A load. The invention according to claim 4 of the patent application scope * is shown in Figure 7, Will (please read the precautions on the back before filling in this page). Packing. The paper size of the binding book is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm). 11 The Central Bureau of Economic Development of the Ministry of Economy prints for the Industrial and Consumer Cooperative:

A7 ___ _ B7_ V. Description of the invention (< j)-The connection of the buffer 36 to the body frame 2 or the rear arm 20 can be released; the buffer 36 can be separated from the above frame 2 or The rear arm 20 makes the above-mentioned car sleeping frame 2 and the rear thin 20 bending support shaft 22 relatively move; thereby, the car frame 2 and the rear eagle 20 are brought close to each other and made foldable. Therefore, when carrying the lotus bicycle 1, the buffer 36 can be detached from the wok frame 2, or the rear »20, and the body frame 2 and the back 20 can be relatively moved around the planting support shaft 22 (arrow F in the seventh circle) , G), thereby folding the bicycles "frame 2 and rear" 20, as a result, the bicycle 1 can be made into a small shape. As mentioned above, according to the invention of the fourth patent application, the car frame 2 and the back 20 can be folded up. According to the invention of claim 5 according to this constitution, in the 7th, it consists of a fixed frame 9 and a movable frame 10 to form a frame 8, wherein the fixed frame 9 is fixed to the main frame 6 and The end of the main frame 6 protrudes upward, and the movable frame is slidably fitted to the upper end of the fixed frame 9 in the longitudinal direction of the fixed frame 6, so as to support the upper support S7 on its upper part; namely When the vehicle body frame 2 and the rear arm 20 are folded, the rear arm 20 is positioned outside the movable track 10 of the upper movable frame 10 with respect to the fixed frame 9. Therefore, as described above, after the bicycle frame 2 and the rear heel 20 are folded to form a small shape for the bicycle, the movement of the movable frame 10 with respect to the fixed frame 9 can be prevented from being hindered by the rear wheel 20. Therefore, as described above, if the body frame 2 and the hind horn 20 are folded, and, as indicated by the arrow H in the seventh circle, then the movable frame 10 is slid against the fixed frame 9, the seat cushion 7 is closer In the above-mentioned car frame 2 or rear ® 20, you can make your own soap 1, more compact. This paper scale is applicable to China National Standard (CNS) Α4 specification (210X297mm) I .-- j ------- installed ------ order ----- call line (please read the note on the back first Please fill in this page for details) -11 300873 A7 B7 V. Description of the invention (f &) Printed by the Central Prototype Bureau of the Ministry of Economy Μ Printed by the Industrial and Consumer Cooperatives / Ca \ [Information] Under Μ, refer to the attached group to explain Examples. In the first to sixth gardens, symbol 1 is a shaft-driven bicycle, and the arrow Fr indicates its front. In addition, the left and right sides refer to the vehicle width direction toward the front (that is, the direction orthogonal to the Fr direction). To be distinguished from the first picture to the third picture, the car tank frame 2 of the skeleton of the bicycle 1 is provided with a front tube 3 forming the front end portion thereof. The front tube 3 is formed in a circular shape having a longitudinal axis 4 rising upward. The main frame 6 extends substantially linearly from the front tube 3 to the rear and the bottom. The main frame 6 is formed by a rectangular tube with a longitudinally rectangular cross section, and therefore has sufficient strength and machinability. A cushion frame 8 is provided, which protrudes rearward and upward from the rear end of the main frame 6 * and supports a cushion 7 at the upper end. The saddle 8 is composed of a fixed frame 9, a movable frame 10 and a locking device 11. The fixed frame 9 is fixed to the main frame 6 and protrudes upward from the rear end of the main frame 6; the movable frame 10 is slidably fitted to the upper ends of the fixed frame 9 in the longitudinal direction of the fixed frame 9 , M is used to support the upper seat cushion 7; as for the barium clamp 11, the movable frame 10 (sliding the fixed frame 9 to a desired height) is detachably locked to the fixed frame 9 with M. Especially in the first picture and the third picture, if the above-mentioned seat frame 8 is explained more clearly, then: the fixed frame 9 and the movable frame 10 are formed by pipes with a national cross-section; the fixed frame 9 and the movable frame The racks 10 are all positioned on the same axis 13, and the movable rack 10 is movably embedded in the fixed rack 9 in the axial direction thereof to form the adjusted telescopic sleeve shape. The above-mentioned axis 13 is a longitudinal direction that rises after being formed. Slide the movable frame 10 to the above-mentioned fixed frame 9 to the painful degree, and use the town (please read the precautions on the back before filling in this page) 'This paper size is applicable to the Chinese National Standard (CNS) 84 specifications (210X297 mm 〉 13-A7 B7 Printed by the Central Bureau of Accreditation Bureau Beigong Consumer Cooperative, V. Description of Invention (U) Tightener 11, locking the above-mentioned movable frame 10 to the fixed frame 9, whereby the above-mentioned movable frame 10 can be used The supported seat cushion 7 is adjusted to any position in the up and down direction. The aforementioned front tube 3 is operably supported by a fork rod 15 that flexes its axis 4. The lower end of the front fork guard 15 is rotated freely by the front car _ 16 The front end portion 17 is supported, and a top handle 18 is attached to the upper end of the front fork rod 15. From the first to sixth figures, after the main frame 6 of the above-mentioned frame 2 is supported by the support shaft 22 The planting support has a front end 21 of the rear arm 20 extending in the front-to-back direction. In this case, the front end portion 21 is set under the main frame 6 to the erbium. The axis of the planting support shaft 22 is left and right (car Width direction); and the rear end 23 of the rear arm 20 is set to the shaft of the planting support shaft 22 It swings freely up and down in the center. At the rocking end of the back 20 and the rear end 23, there is a pair of bearings 26 and 26 that rotate around the axis (extending left and right) of the rear axle 25 ( (Please refer to Figure 6). After that, one end of the axle 25 protrudes toward the quail edge of the rear end 23 of the rear arm 20; after this, the axle 25 is free and fixed with a rear wheel 27; after this, the wheel 27 is set to be Rotating freely around the center of the axle like the rear axle 25. In the first to fifth plaques, for the rear arm 20, the front end 21 is formed by the front outer 29, and the rear end The portion 23 is composed of the rear cover 30. The rear gluttony 20 has a middle outer cover 31, which is located between the front outer pan 29 and the rear outer military 30, and connects the front cover 29 and the rear cover 30 are detachably and securely locked to each other. The front part 21 further has a first stop part protruding from the front cover 29 to the front of the front part. The paper size is applicable to the national standard (CNS > Α4 specification (210X297mm) 丨: --- J ----- ^ 1 installed ------ ordered ------ 1 line (please first Read the precautions on the back and fill in this cornel) -14-Α7 Β7 V. Description of the invention (1 >)-32; the protruding end of the first stop part 32 is fixed by a support shaft 22 The bracket 33 on the lower side of the main frame 6. The bracket 33 forms a part of the body frame 2. After the plaque frame 2, the lower portion and the rear arm 20 (90, from the pivot shaft 22 to A longitudinal buffer 36 whose axis is slightly inclined forward is installed between the rear axle 25 and the middle part of the longitudinal direction. More specifically, the upper end of the buffer 36 is connected to the axially midway portion of the above-mentioned fixing frame 9 by means of the upper planter 37. The lower end of the other end of the buffer 36 is connected to the middle of the front end 21 of the rear halfway portion of the rear eagle 20 by the lower pivot brace 38. In addition, the axis of the buffer 36 may extend in the front-back direction. The upper bracket 37 is composed of a shaft 39 for pivotally supporting the upper end of the buffer 36. The shaft 39 is provided so that the fixing frame 9 and the stage punch 36 can be freely attached and detached, whereby the connection of the stage punch 36 to the vehicle body frame 2 can be reset or released. The above-mentioned plant support 38 has a link mechanism 41. The lever-building mechanism 41 includes:-a first continuum 43, which is freely planted on the movable frame 10 by the shaft 42;-a second link 45, which is freely moved by the shaft 44 The support is planted at the lower end of the above-mentioned winding punch: the lower end of the device 36; and a shaft 46 for connecting the rotating ends of the first link 43 and the second link 45. From the front cover 21 of the rear end 20 of the rear eagle 20 to the rear and upward, a second stop 48 is protruded from a manta; this second stop 48 constitutes a part of the front end 21 of the aforementioned S 2Q. The protrusion / end of the above second stop part 48 is supported by the long axis halfway of the above second connecting rod 45; the Chinese standard (CNS) Α4 cell (210Χ297 mm) is applicable to the paper size } -------; ------ installed-- (please read the notes on the back before filling in this page) Printed by the Central Economic and Trade Bureau of the Ministry of Economics and Trade Co., Ltd. Beigong Consumer Cooperative V. Description of the invention (13 ) Under this bifurcated structure, the lower end of the buffer 36 is buried in the front end portion of the rear »20 by the above-mentioned connecting frame structure 41. Furthermore, the lower bifurcated support 38 is composed of only the pivot 44 And rely on the bifurcating shaft 44 to directly connect the buffer 36 to the second stop 48M instead of the link mechanism 41. An operating lever 50 is installed on the bifurcating shaft 49; that is, as long as the operation is maintained By rotating, the toggle sleeve 49 can be attached to or removed from the second link 45 and the second stopper 48. «This allows the connection of the balancer 36 to the rear arm 2Q The vehicle body frame 2 or the seat cushion 7 is supported by the front wheel 17 and the rear wheel 27 on the road surface 54 through the front fork lever 15, the rear arm 20, and the punch 36. The device 36 is composed of a flexible cylinder 52, M containing oil inside and a flexible spring 53 that elastically attaches (imparts force) the cylinder 52 to the direction of elongation. The expansion and contraction of the buffer 36 produced by the swinging of the arm 20 absorbs the shock or vibration transmitted from the rear wheel side 27 to the body frame 2 side via the rear cargo 20. Printed by Beigong Consumer Cooperatives, Central Bureau of Standards, Ministry of Economic Affairs (Please read the precautions on the back before filling in this page) In the third to the fifth_, the crank shaft 57 supporting the pedal 56 is supported on the middle part of the rear arm 2 0 in the long direction. The crank shaft 57 is provided separately from the aforementioned support shaft 22, and is provided with a crank spindle 60; this crank spindle 60 is a shaft 59 extending to the left and right by a pair of left and right bearings 58, 58, vibrating It is freely supported by the front cover 29. The left and right ends of the crank spindle 60 protrude from the outer side of the front cover 29, and a crank cargo 62 is installed on the left and right ends of the curved spindle 60, respectively. . These two crank arms 62, 62, projecting toward the radial direction of the crank shaft 60 opposite to each other; The protruding ends of the two cranks 62, 6 and 2 support the above-mentioned pedals respectively. The paper size is in accordance with Chinese National Standard (CNS) Α4 specifications (2Η5Χ 297mm). 16 A7 B7 Duo Central Bureau of Engineering Co., Ltd. V. Invention Explanation (; /) The crank shaft 60 is located after the planting support _ 22. The pedals 56 are set such that when each pedal 56 rotates around the crank shaft 60 and one pedal 56 goes to the "rotation locus" At the substantially front end, the other pedal 56 is located on the front side of the above-mentioned planting shaft 22. In the third to sixth laps, the crank shaft 60 of the crank shaft 57 is provided with a drive shaft 63 for foot-movably connecting the rear wheel 27. The driving shaft 63 is accommodated in the rear space 20, and is supported by the rear arm 20 so as to be able to play around its axis 65 by the front and rear bearings 64, 64. The middle cover 31 of the rear eagle 20 has the same axis as the axis 65 of the drive shaft 63. The front end 66 of the crank shaft 60 and the body shaft 63 are linked together by a front bevel gear set 67 The rear axle 25 and the rear end 68 of the drive shaft 63 are linked by the rear bevel gear set 69. Also, a one-way clutch 70 is provided between the rear axle 25 and the rear umbrella wheel group 69; that is, this one-way clutch 70 allows only the power coupling to the rear wheels 27 from the drive shaft 63 side. Viewed from a plane, the vehicle frame 2, the front fork lever 15, the front wheel 17, the rear hip 20, the axle 25, the rear wheel 27, and the crank axle 57 are located in the width direction of the vehicle and pass through the center of the vehicle. On the car center 71. Viewed from a plane, the front ends 21, 66 of the rear arm 20 and the drive shaft 63 are provided on the front side of the rear wheel 27 and near the outer side of the right center of the vehicle center 71. On the other hand, the rear wing portions 23 and 68 sides of the rear eagle 20 and the moving shaft 63 are provided near the outer side of the right side of the rear wheel 27. Discussion • The stupid paper scale uses China ’s National Standard Rate (CNS) Μ specification (210X297 mm) 17 \ Invention Description (/ ^ A7 B7 Ministry of Economic Affairs, Central Bureau of Industry and Fisheries Cooperative Printing

At this time, in order to make the aforementioned front end portions 21, 66 as close as possible to the center 71 of the vehicle, the axis 65 of the rear shaft 20 and the drive shaft 63 is set to be inclined to the front side, and the M is closer to the vehicle body as the front side advances Center 71. In the first plaque, the second plaque, and the sixth drawing, a disc-type rear brake 74 for braking the rotation of the rear wheel 27 described above is provided. The rear brake 74 is composed of a dial 75 supported by the rear axle 25, and a caliper 76 that clamps the dial 75M by oil K to perform the braking. On the other hand, the above-mentioned Lulu 20 supports the caliper 76. In the 1st, 3rd, 5th and 6th figures, if the person sitting on the seat cushion 7 holds the handle 18 and alternately steps on the two pedals 56, 56 to thereby bend the crank shaft 57 When the shaft 59 rotates (arrow A in the figure), this power is transmitted to the rear through the front bevel gear set 67, the drive shaft 63, the rear bevel gear set 69, and the rear axle 25 (arrow B in the circle) The wheel 27, by which the rear wheel 27 rotates on the road surface 54 (arrow C in the figure), causes the bicycle 1 to walk on the road surface 54. According to the structure of the above embodiment, in Figures 1 to 3, the front end pivot 21 of the back 20 is supported on the main frame 6 of the frame 2 by the pivot shaft 22; the buffer 36 is set on the above Between the body frame 2 and the midway portion of the back 20 in the longitudinal direction; and a crank shaft 57 for supporting the pedal 56 is supported on the midway portion of the rear arm 20 described above. Therefore, when the rider steps on the pedal 56 from above to below, so that the power at this time is transmitted to the rear wheel 27, the pedal 56 will reach the "approximate front end of the trajectory j and the pedaling force (arrow D in circle 3 ) Becomes the largest of this 鈮 丨 inverter 56, and the front and rear dimensions between the fulcrum 22 located on the rear side of the pedal 56 are applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm). 1 a ^ binding "line (Please read the precautions on the back before filling in this page) -18-A7 B7 printed by Zhengong Consumer Cooperative of Central Bureau of Standards of the Ministry of Economy V. Description of invention (Dimension Ε in the direction of M, let the pedal 56 wrap around the support axis 22 The conventional method of rotation is shorter, so the "moment" generated by the pedaling force about the pivot 22 is smaller. Therefore, the rear end 20 of the rear arm 20 is broadcast upward The force is weakened, thereby suppressing the unnecessary shrinkage caused by the step scale 36 being pushed by the above-mentioned rear ridge 20. Also, the position of the pedal 56 which is moved to the substantially front end of the "rotation locus" is on the upper pivot When 22 is behind, the pedaling force D of pedal 56 is not The rear end 20 of the rear heel 20 is broadcast upwards, so the above-mentioned unnecessary power loss can be prevented from happening. In the first lap to the third figure, as mentioned above, the position is behind the rear car The front end 21 of the front side rear arm 20 of the qua 27 is connected to the other end of the bumper 36. Therefore, the front end 21 of the rear arm 20 can be arranged near the center 71 of the vehicle width in the vehicle width direction. While the wheels 27 are in contact, the buffer 36 built in the front end 21 can also be arranged near the center 71 of the vehicle body (including the center 71 of the vehicle) to avoid contact with the rear wheel 27. With this, When the bicycle 1 is walking, an impact force is applied to the back 20 or the buffer 36 from the rear wheel 27 side. At this time, the impact force M from the rear arm 20 toward the punch 36 and from the retarder 36 toward the rear The reaction force of the eagle 20 acts on the rear body 20 or the stage punch 36 approximately at the center 71 of the above-mentioned car body, so it can suppress the buckling of the rear body 20 and suppress the load of the rear body 20 to a small load, and It is also possible to suppress the above-mentioned oscillating weight 36 from being subjected to torque, thereby suppressing distortion of the expansion action of the buffer. Since the above-mentioned punch 36 can be provided near the center 71 of the vehicle body, it is easy to mention the precise position of the commercial-grade punch 36 with respect to the above-mentioned vehicle frame 2 and the rear arm 20: --- J ----- ^ -(Read the precautions on the back before filling out this page)

I Appropriate bidder Home country Intermediate metric centimeters 7 9 2

9 IX

3q〇87S A7 B7 V. Description of Invention (Π) Printed by the Employees Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. Also, the width of the car body can be reduced to a portion where the buffer 36 is located near the center 71 of the car body, thereby miniaturization of the car body can be achieved, and the center of gravity of the car body can be brought close to the center 71 of the car body. It can improve the balance during operation. Furthermore, as described above, since the punch 36 is connected to the pan 21 before the rear arm 20, the space 78 · above the end 23 after the rear trade 20 becomes open rearward and upward. Therefore, when the seat 1 is to be straddled from behind the seat cushion 7 to be seated on the bicycle 1, the space 78 described above can be used. Riding or getting off the bicycle 1 becomes easy. Again * As mentioned above, since the front end 21 of the rear ® 20 is located under the main frame 6, the rear end of the main frame 6 can be extended to the rear without being restricted by the above-mentioned rear arm 20. Then, the rear end of the main frame 6 is extended rearward, whereby the seat cushion frame 8 protruding upward from the rear end of the main frame 6 is further formed to be vertical. To this end, the load of the seated person on the seat cushion can be suppressed from generating a moment on the seat cushion frame 8; this load is supported by the seat cushion frame 8 as an axial force, so that the seated person passes through the seat cushion 7, More firmly supported by the main frame 6. Especially in FIG. 7 * Under the operation of the pivot sleeve 49 and the operating lever 50, the connection of the second stop 48 of the rear treasure 20 to the buffer 36 is released, so that the buffer 36 is removed from the above The rear arm 20 is disengaged; moreover, the main frame 6 of the above-mentioned vehicle body frame 2 and the rear arm 2Q knitting support shaft 2 2 are subjected to phase vibration, so that the main frame 6 and the rear arm 20 are close to each other and made foldable. In addition, by connecting the shaft 39 and the sleeve 42, the connection of the cushion 36 to the body frame 2 is released. • It can be folded or folded as described above. At this time, if there is no setting of the link mechanism 41, only the -T -------- ^ of the shaft 39 is installed ---------------'- k girl ( Please read the precautions on the back before filling out this page) The paper size is applicable to the Chinese National Standard (CNS> A4 size (210X 297 mm) 20 A7 B7 Printed by the Consumer Cooperative of the Central Bureau of Economics and Trade of the Ministry of Economic Affairs

5. Description of the invention (β)-The operation can release the buffer 36 from the vehicle body frame 2 and the operation is relatively simple. Therefore, when carrying the lotus bicycle 1, the stage punch 36 can be separated from the body frame 2 or the rear arm 20, so that the main frame 6 of the body frame 2 and the rear S 20 planting support shaft 22 are relatively vibrated (7th) In the figure, the tendons F, G) are used to fold the main frame 6 and the back 20 of the pallet 2 of these vehicles. As a result, the bicycle 1 can be made into a small shape, making it easy to carry the lotus. In addition, as described above, in addition to folding the vehicle body frame 2 and the rear arm 20, when folding the vehicle body frame 2 and the rear door 20, the rear warb 20 can be positioned on the movable frame 10 for the above fixing The outside of the trajectory 79 of the rack 9. Therefore, as described above, after the main frame 6 of the vehicle body frame 2 and the rear arm 20 are folded to form the bicycle 1 into a small shape, the sliding of the movable frame 10 to the fixed frame 9 can be prevented from being hindered by the latter 20. Then, as described above, if the main frame 6 of the cross frame and the rear gluttony 20 are folded, and, as indicated by the arrow H in the 7_, the movable frame 10 is slid against the fixed frame 9 to make the seat cushion 7 Closer to the above-mentioned main frame 6 or rear 20, the bicycle 1 can be further miniaturized. In addition, since the handle 18 protrudes forward and upward from the axis 4 of the front fork lever 15, as long as the handle 18 rotates with the front fork 15-the axis 4 of the front fork, the handle 18 approaches the side of the seat cushion 7 (eg (Figure 7), Di can make the bicycle 1 more compact. [Effects of the Invention] According to the present invention, the following effects are achieved. For the invention according to item 1 of the patent application, you can use the pivot support (please read the precautions on the back and then fill out this page)-The size of the binding line is applicable to China National Standard (CNS) A4 (2 丨 0'〆297mm) -21-Printed by the Employees Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs

Α7 Β7 5. Description of the invention (q)-The front end of the wheel is supported on the vehicle creel, and the buffer is placed between the above body frame and the rear halfway of the rear eagle, and above the rear arm. A crankshaft for supporting the pedal is supported at the midway portion. Therefore, when the bicycle pedal stepped on the pedal and transmitted the power at this time to the rear wheels, the pedal reached the maximum front end of the "rotation locus" and the pedal force became slightly maximum. The size of the front and back directions between the planting shafts on the rear side is shorter than that of the conventional method of rotating the pedal around the planting shafts, so the M axis produced by the above pedaling force is the "torque" of the center of rotation Become smaller. As a result, the force of upward vibration of the rear end side of the rear arm is reduced. This can suppress unnecessary shrinkage caused by the bumper being pushed by the rear hip. Therefore, it is possible to suppress that the power transmitted from the pedal to the rear wheels is wasted by the upper bumper, thereby preventing unnecessary power loss. Also, as described above, since the "torque j becomes smaller, the capacity of the buffer can reduce the reduced portion of the" torque ". Therefore, the above-mentioned buffer can be reduced in size and weight. According to the invention of patent application No.2, the other end of the retarder is connected to the front end of the rear wheel located on the front side of the rear wheel. Therefore, it is possible to allow the rear front end to be arranged near the center of the vehicle width direction M to avoid contact with the rear wheels, but also allow the buffer connected to the front end to be arranged near the center of the vehicle body to avoid the aforementioned Rear wheel contact. As a result, when the bicycle is traveling, the rear wheel will give impact force to the rear eagle or the shock absorber * At this time, the impact force from the rear arm toward the shock absorber and the reaction force from the retarder toward the rear arm are In the above car "The center acts on the back 2 2 IJ. Binding III" Line (please read the precautions on the back before filling this page)

Applicable Standard Home Country Intermediate Appropriate Printed and Printed by the Employees ’Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy Α7 Β7 V. Description of Invention (20) or retarder. Therefore, it is possible to suppress the distortion of the rear material, and to prevent the rear arm from being subjected to an unnecessarily large load *. It is also possible to suppress the torque of the above-mentioned yuan punch, thereby suppressing the distortion of the telescopic movement of the stage scale. Therefore, the rear-end or retarder does not need to have that part of strength, so that the rear arm or the stage punch can be miniaturized and light-weighted. Also, since the above punches can be set near the center of the vehicle body, it is easy to improve the position accuracy of the rear punch with respect to the above-mentioned vehicle body frame and rear resources *, and therefore it is easy to perform their forming or assembling operations. Furthermore, as mentioned above, since the street device is connected to the front end of the rear end *, the space above the rear end of the rear arm becomes open to the rear and upward. Therefore, when you want to sit on the bicycle, you need to use the seat cushion The rear space can be used when riding on the seat cushion, so that you can easily ride or get off. —As mentioned above, if according to the invention of patent application No. 1, since the support shaft used to support the rear arm and the crank shaft used to support the pedal are made into separate entities, you can go back to travel some more The arrangement of the support shaft and the crank shaft is mutually restricted. For this reason * Regardless of the aforementioned crankshaft, the slap support of the rear arm can be freely configured for the frame. In addition, according to the invention of patent application No. 3 constructed according to this constitution, the body frame includes: a front tube, which forms the front end of the frame «frame, and supports the front fork stalk to operate freely; and a bracket, which is The front tube extends rearward; and a cushion frame protrudes upward from the front end of the main frame to support the seat cushion at its upper end. Among them, the front end of the rear eagle is provided below the main frame 6. The size of this paper is applicable to China National Standard (CNS) Α4 specification (210Χ 297 mm) ---------- ^ -installed ------ order ----- 'wipe (please read first please Note on the back and then fill out this page) 23 A7 B7 Printed by the Ministry of Economic Affairs, Central Bureau of Economic Cooperation, Beigong Consumer Cooperative. V. Description of invention (ζ As a result, the configuration of the main frame of the rear arm can be avoided due to the car's configuration. The main frame of the frame is limited. Therefore, as long as the above-mentioned frame is fully placed in the front, the length of the rear frame can be fully elongated, so the * can be lifted off the rod ratio connected to the buffer The degree of freedom of setting * can fully absorb the impact force caused by the punch of this stage. Also * As mentioned above, because the front end of the rear frame is provided under the main frame, the rear end of the main frame is not subject to the above The restriction of the rear tube can be extended to the rear. Therefore, the cushion that protrudes upward from the rear of the main frame can be set up more vertically, thereby suppressing the burden of the person sitting on the seat The moment acting on the seat cushion frame can be used by the seat frame as its axial force to support this load. Results * Through the above-mentioned seat benefit *, the above-mentioned seated person is supported more firmly by the main frame. According to the invention of the patent application No. 4 item, it connects the buffer to the car frame or the rear S, which can be released ; Make the buffer out of the car frame or the rear arm, and make the aforementioned car frame and rear "relatively vibrate around the pivot axis; by this, make the car frame and rear eagle close to each other, made Folding 0 Therefore, when carrying the bicycle, the buffer can be disengaged from the plaque frame or the rear warbler, and the body frame and the rear arm sickle support shaft can be used as a pair of stalks, thereby folding the sleeping frames of these vehicles and Back. As a result, the bicycle can be made into a small shape, so that the bicycle can be easily moved. \ As mentioned above, if the invention according to item 4 of the patent application scope * can be used, the paper size can be applied to the Chinese national standard ( CNS) A4 specification (21〇Χ297mm) -24 ---- J ----- ^ 丨 installed ------ order ---- ^-Ί line (please read the note item on the back first (Fill in this page again) A7 B7 Printed by the Consumer Standards Co-operation of the Central Bureau of Standards of the Ministry of Economic Affairs. 5. Description of Invention (22) The body frame and the rear arm are folded up. Cheng's application for the invention of No. 5 of the Fan Garden · It consists of a fixed frame and a movable frame into a frame, wherein the fixed frame is fixed to the main frame and protrudes upward from the rear end of the main frame, and the movable The frame is slidably fitted to the upper end of the fixed frame in the longitudinal direction of the fixed frame. I support the seat cushion at its upper end; that is, when the car frame and the rear fold are folded up *, the rear arm is positioned at The sliding trajectory of the movable frame with respect to the fixed frame. Therefore, as above, after folding the body frame and the rear arm to form a small bark for the bicycle, the sliding of the movable frame with the fixed frame is not affected by this Obstruction of the rear arm. As mentioned above, if you fold the body frame and the rear expense, and slide the movable frame to the fixed frame, the seat cushion is closer to the movable frame or the rear arm, and the bicycle can be made more compact. To make it easier to transport bicycles. [Simple description of the drawing] Figure 1 is the overall side view of the bicycle. 2 _ is a part of the plane circle of the bicycle. 3_ is the part of the enlarged circle of the first picture. The fourth circle is the section of the 4th line 4-4. Figure; Part 5 of the second drawing of the fifth national family is enlarged; Figure 6 is the enlarged cross section of the second garden; and Figure 7 is the equivalent of the first 圔. It is a description of the role of folding 0 [Explanation of symbols] This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) 25 --- J ------ / 装 ------ 定 ------ 义》 (Please read the precautions on the back before filling in this page) Printed by the Ministry of Economic Affairs, Central Bureau of Economic and Social Development, Beigong Consumer Cooperatives 3〇〇 73 73 Α7 Β7 5. Description of the invention 1 Bicycle 2 Bicycle frame 3 Front tube 6 Main frame 7 Seat cushion 8 Seat cushion frame 9 Fixed frame 10 Movable frame 15 Front fork 17 Front wheel 20 Back 21, 66 Front end 22 Clamping shaft 23, 68 Rear end 25 Rear axle 27 Rear wheel 35 Axle 36 Buffer 54 Road surface 56 Pedal 57 Crank shaft 60 Crank shaft 63; Drive shaft 71 Car center (please read the notes on the back first Please fill in this page again) -Installation. The missing edition is applicable to China National Standards (CNS) A4 specification (210X297mm) -26-A7 B7 5. Description of invention ρ ν)-78 Space 79 Sliding track D Treading force Ε Size J -------- Cloth II (please read the precautions on the back before filling in this page) Printed by the Ministry of Economic Affairs, Central Bureau of Preparatory Work, Consumer Cooperative Cooperative $ / ί '' · Wui; French Standard Applicable to Chinese National Standard (〇 奶) 84 specifications (210 father 297 mm)-27-

Claims (1)

Α8 Β8 C8 D8 Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs VI. Patent Application No. 841Q4Q2 Patent Application No. 841Q4Q2 No. 5 Application for Revision of the Patent Fan Garden Amendment Date: October 1985 1. A suspension structure for a shaft-driven bicycle, including: «The pivot sleeve will extend in the front and back direction, and the front end of the cargo will be supported on the hip frame of the car. * Set the rear end of the rear arm to swing freely in the up and down direction with the pivot axis as the center. Partially supported rear wheel * is equipped with a weight balancer, one end of which is connected to the above-mentioned body frame, and the other end is connected to the lengthwise midway part of the above-mentioned rear arm, on the other hand, a crank used to support the pedal At the same time, a drive shaft for linking the rear wheels to the crankshaft is provided at the same time, the drive shaft is arranged inside the rear wheels, and the rear end sides of the rear wheels and the drive sleeves are arranged at the above The outer side of the rear wheel; and in the above-mentioned structure, the crank shaft is supported on the middle part of the rear arm in the long direction. 2. Suspension structure of the rotating shaft > driven bicycle according to the application of the first paragraph of the application park, wherein the other end of the aforementioned shock absorber is connected to a front end portion of the rear side of the rear wheel, which is located on the front side more than the rear wheel. 3. The suspension structure of the axle-driven bicycle according to item 1 or 2 of the scope of the patent application, wherein the body frame includes: a front tube forming the front end of the body frame, so that M can freely support the front Fork lever * This paper scale applies to China National Standard Falcon (CNS) A4 specification (210X297 mm) 28 1 ^ 1 ^^^ 1 m nn nn i ^ n .. nn tn m * In * J n) '1 — ^ n I-a 0¾ i ί (please read the precautions on the back before filling in this page) A8 B8 C8 D8 々, the main frame of patent application, extending from the front tube to the rear, and-seat cushion frame, The rear end of the main frame protrudes upward from the upper end to support the cushion; wherein * the lower side of the main frame is provided with a front arm of the rear arm. 4. Suspension structure of the axle-driven bicycle as described in item 1 or 2 of the application standard. Its special emblem structure is: the connection of the ringworm to the body frame or the rear arm can be released; Make the weight balancer separate from the above body frame or rear arm, and make the above body frame and rear arm vibrate relatively around the bifurcating shaft; reliance on this · make the body frame and rear arm close to each other, made to be foldable . 5. According to the suspension structure of the swivel-sleeve drive bicycle described in item 1 or 2 of the patent application scope, the connection of the buffer to the body frame or the rear arm can be released to make the balancer disengage from the body frame Or after praise, and make the above body frame and rear cargo relatively vibrate around the pivot shaft. • By this way, the body frame and the rear arm are brought close to each other * to be made foldable; in addition, the above body frame includes: economy A front tube is printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Education, forming the front end of the car zhao frame. Μ will maneuverably support the front fork rod, a main frame extending from the front tube to the rear, and a The seat cushion frame protrudes upward from the rear end of the main frame to support the seat cushion at its upper end; the seat cushion frame is composed of a fixed frame and a movable frame, wherein the fixed frame is fixed to the main frame and After the main frame, the end is upward 29 — ^ n In HI i In n HI --SJ (Please read the precautions on the back before filling in this page) This paper size is applicable to the Chinese National Standard (CNS) A4 wash grid (210X297 Mm) A8 B8 C8 D8 has outstanding patent application scope, The movable frame is slidably fitted to the upper end of the fixed frame in the longitudinal direction of the fixed frame, so as to support the seat cushion at its upper end; that is, when the above-mentioned car frame and the rear arm are folded up, the rear arm It is located outside the sliding track of the movable frame with respect to the fixed frame. ---- U ----- {装 ------ 定 — ^ ---- r | (Please read the precautions on the back before filling this page) Printed by the Employee Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 30 This paper scale is applicable to China National Standard (CNS) A4 specification (210X297mm)