WO2017138067A1 - Body frame for two-wheeled motor vehicle - Google Patents
Body frame for two-wheeled motor vehicle Download PDFInfo
- Publication number
- WO2017138067A1 WO2017138067A1 PCT/JP2016/053643 JP2016053643W WO2017138067A1 WO 2017138067 A1 WO2017138067 A1 WO 2017138067A1 JP 2016053643 W JP2016053643 W JP 2016053643W WO 2017138067 A1 WO2017138067 A1 WO 2017138067A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- head pipe
- frame
- pipe support
- main frame
- welded
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/04—Frames characterised by the engine being between front and rear wheels
Definitions
- the present invention includes a head pipe that supports a steering handle so as to be steerable, a main frame that is formed into a hollow cylindrical shape by a press-molded plate member, and that extends rearwardly downward from the head pipe, and is press-molded.
- the present invention relates to a vehicle body frame for a motorcycle that includes a down frame that is formed in a hollow cylindrical shape with a plate member and extends downward and rearwardly below the main frame so as to support a front portion of an engine body.
- a head pipe support portion that is directly joined to the rear portion of the head pipe is integrally formed at the front end portion of the main frame that is formed into a hollow cylindrical shape by a press-molded plate material.
- the front end portion of the down frame formed as a separate member from the main frame has an engine support portion for supporting the portion at the rear end portion, and is directly joined to the head pipe support portion of the main frame.
- a motorcycle body frame is already known from US Pat.
- a head pipe support portion is formed on the main frame, and an engine support portion is formed on the down frame.
- the head pipe support portion and the engine support portion are configured as separate members. If this is done, there is a risk that the positional accuracy of the head pipe support and the engine support will be reduced due to the distortion that occurs at the joint between the two members, and a process for correcting the position is required. This hinders the improvement of manufacturing efficiency.
- the present invention has been made in view of such circumstances, and it is possible to improve the manufacturing efficiency and the manufacturing quality by eliminating the process of correcting the position of the head pipe support portion and the engine support portion, and to reduce the manufacturing cost.
- An object is to provide a body frame for a motorcycle.
- the present invention provides a head pipe that supports a steering handle so as to be steerable, and is formed into a hollow cylindrical shape by a press-molded plate material, and is rearwardly lowered behind the head pipe.
- a vehicle body for a motorcycle comprising: a main frame extending; and a down frame formed in a hollow cylindrical shape by a press-molded plate member and extending downwardly downward from the main frame so as to support a front portion of the engine body
- a head pipe support portion that is directly joined to a rear portion of the head pipe and protrudes rearward from the head pipe is provided at a front end portion of the down frame, and the engine body is provided at a rear end portion of the down frame.
- An engine support portion is provided to support the front portion of the main frame, and the main frame is formed as a separate member from the down frame.
- the front end of the over arm is, the first feature to be welded to the head pipe supporting portion of the down frame.
- the present invention has a second feature in that recesses along the outer shape of the head pipe support are formed on both side surfaces of the head pipe support.
- the third feature of the present invention is that the head pipe support portion is formed to have an opening on the side opposite to the head pipe.
- the present invention is characterized in that the front end portion of the main frame is welded to both side surfaces and the upper surface of the head pipe support portion so as to cover the opening. .
- the reinforcing member that reinforces the joint portion of the head pipe support portion and the main frame includes both sides of the head pipe support portion and both sides of the front end portion of the main frame. It is welded to the lower surface, and the welded portion of the reinforcing member to the side surface of the head pipe support portion is arranged so as to be continuously connected to the welded portion to the side surface of the head pipe support portion of the main frame.
- tank support rods extending in the vehicle width direction so as to hold a fuel tank straddling the main frame from above are provided on the pair of left and right reinforcing members,
- a sixth feature is that welding is performed through the member.
- the head pipe support portion is welded to the outer surface of the head pipe on a diameter line along the vehicle width direction of the head pipe. This is the seventh feature.
- the head pipe support portion and the engine support portion are provided on the down frame, the head pipe support portion and the engine accompanying the occurrence of distortion during welding of the main frame to the head pipe support portion. It is possible to prevent the positional accuracy of the support portion from deteriorating, thereby eliminating the need for a position correction step, improving manufacturing efficiency and manufacturing quality, and reducing manufacturing costs.
- the frame from the head pipe to the down frame can be given flexibility, and the deformation of the lower end of the head pipe, which is likely to be subjected to a large load, is distributed throughout the frame, thereby improving the turning performance and maneuverability. it can.
- the rigidity of the head pipe support is improved and the design is improved. Can do.
- the head pipe support is formed so as to have an opening on the side opposite to the head pipe, so that the rigidity of the joint of the head pipe support to the head pipe is adjusted. Therefore, the frame can be smoothly deformed with respect to the load, which can contribute to an improvement in steering performance.
- the rigidity of the joint between the head pipe support and the main frame is determined. Can be increased.
- the welded portion of the reinforcing member to the side surface of the head pipe support portion is provided on the head pipe support portion of the main frame.
- the welding process can be simplified by continuously connecting the welded portion to the side surface.
- the tank support rod for holding the fuel tank is welded to the pair of left and right reinforcing members, so that the pair of left and right reinforcing members can be positioned in the vehicle width direction. It is possible to weld a pair of reinforcing members constructed in a small assembled state by welding to the head pipe support and the main frame, and the welding process can be simplified.
- the head pipe support is welded to the outer surface of the head pipe on one diameter line along the vehicle width direction of the head pipe, the welding stability is improved.
- FIG. 1 is a left side view of the motorcycle according to the first embodiment.
- FIG. 2 is a left side view of the front portion of the motorcycle with the vehicle body cover and the fuel tank omitted.
- FIG. 3 is a perspective view of the vehicle body frame.
- FIG. 4 is a perspective view of the head pipe and the down frame as viewed obliquely from the lower left.
- FIG. 5 is a perspective view of the head pipe and the down frame as viewed obliquely from the upper left.
- FIG. 6 is a cross-sectional view taken along line 6-6 of FIG.
- FIG. 7 is a diagram showing the stress distribution in the front portion of the vehicle body frame in comparison with the conventional one.
- FIG. 8 is a side view corresponding to FIG. 2 of the second embodiment.
- the front and rear, the top and bottom, and the left and right directions are directions as viewed from the occupant riding the motorcycle.
- a front wheel WF is attached to a head pipe 10 which a body frame FA of a motorcycle has at a front end portion.
- a steering shaft 12 connected to a pivoted front fork 11 is supported to be steerable, and a bar-shaped steering handle 13 is connected to the steering shaft 12.
- An engine body 14 of an engine E that exhibits power for driving the rear wheel WR is supported by a vehicle body frame FA, and a swing arm that pivotally supports the rear wheel WR at a rear end portion is provided at a rear portion of the engine body 14.
- a front end portion of 16 is supported through a support shaft 17 so as to be swingable.
- a fuel tank 18 disposed above the engine body 14 is supported by the vehicle body frame FA, and a tandem riding seat 19 disposed behind the fuel tank 18 is supported by a rear portion of the vehicle body frame FA.
- the vehicle body frame FA supports the head pipe 10, a main frame 21 extending rearward and rearwardly of the head pipe 10, and a front portion of the engine body 14.
- a down frame 22 that extends rearward and downward below the main frame 21, a pair of left and right seat frames 23 that extend rearward from a middle portion in the front-rear direction of the main frame 21, and a rear portion of the seat frames 23 are integrally formed.
- the main frame 21 has a steeper angle than the main frame 21 while branching left and right from a main frame front portion 21a extending in a rearward downward direction with a gentle inclination angle, and a rear end portion of the main frame front portion 21a. It has a pair of left and right main frame rear portions 21b that incline and extend downward, and is formed into a hollow cylindrical shape by press-molded first, second, and third plate members 28, 29, and 30.
- the main frame front portion 21a is formed by welding the first and second plate members 28 and 29 having a substantially U-shaped cross section by press working, and the pair of left and right main frame rear portions 21b is formed by the first The open end portions of the second plate members 28 and 29 are closed by a third plate member 30 welded to the first and second plate members 28 and 29, respectively.
- the front part of the seat frame 23 is welded to the front part (upper part) of the pair of left and right main frames 21b, and the front end part of the pair of left and right auxiliary frames 25 is the rear end of the pair of left and right main frame rear parts 21b. Welded to the part (lower end).
- support plates 31 are respectively attached to the rear end portions (lower end portions) of the pair of left and right main frame rear portions 21 b, and the engine body 14 is attached to these support plates 31.
- the rear upper part of the crankcase 15 is supported.
- the down frame 22 is formed into a hollow cylindrical shape by press-molded fourth and fifth plate members 32 and 33, and crossed by pressing.
- the fourth and fifth plate members 32 and 33 formed in a substantially U-shape are welded to each other, and the fourth and fifth plate members 32 and 33 are joined to the lower surface of the front end portion of the down frame 22.
- a reinforcing plate 34 for reinforcing the part is welded.
- a head pipe support portion 22 a that is directly joined to the rear portion of the head pipe 10 by welding together with the reinforcing plate 34 and projects rearward from the head pipe 10.
- the head pipe support portion 22 a is integrally provided at the front end portion of the down frame 22. As shown in FIG. 6, the head pipe support portion 22 a is welded to the outer surface of the head pipe 10 on a one-diameter line DL along the vehicle width direction of the head pipe 10.
- the welded portion 47 of the head pipe support portion 22a to the outer surface of the head pipe 10 is positioned on the one diameter line DL so that the outer surfaces on both sides in the vehicle width direction of the head pipe 10 are axial lines of the head pipe 10. It arrange
- An engine support portion 22b that supports the front portion of the engine main body 14 is provided at the rear end portion (lower end portion) of the down frame 22, and in this embodiment, the crankcase 15 in the engine main body 14 is provided.
- the front upper portion and the lower portion are supported by the engine support portion 22b provided integrally with the rear end portion of the down frame 22.
- the head pipe support 22 a is formed to have an opening 35 on the opposite side to the head pipe 10
- the front end of the main frame 21 has the opening 35 is welded to both side surfaces and the upper surface of the head pipe support 22a.
- concave portions 36 are formed along the outer shape of the head pipe support portion 22a.
- a pair of left and right reinforcing members 37 that reinforce the joint between the head pipe support 22a and the main frame 21 are welded to both side surfaces of the head pipe support 22a and lower portions of both sides of the main frame 21.
- the welded portion 38 of the reinforcing member 37 to the side surface of the head pipe support portion 22a is arranged so as to be continuously connected to the welded portion 39 of the main frame 21 to the side surface of the head pipe support portion 22a.
- the fuel tank 18 straddles the main frame front portion 21a of the main frame 21 from above, and a tank support rod 40 extending in the vehicle width direction so as to hold the fuel tank 18 has a pair of left and right reinforcements.
- the members 37 are welded through the reinforcing members 37.
- a head pipe support portion 22a that is welded to the rear portion of the head pipe 10 at the front end portion of the down frame 22 and projects rearward from the head pipe 10 is provided.
- An engine support portion 22b that supports the front portion of the engine main body 14 is provided at the rear end portion of the down frame 22, and the front end portion of the main frame 21 formed as a separate member from the down frame 22 serves as the down frame. 22 is welded to the head pipe support portion 22a, so that the positional accuracy of the head pipe support portion 22a and the engine support portion 22b is prevented from deteriorating due to the occurrence of distortion when the main frame 21 is welded to the head pipe support portion 22a. This eliminates the need for a position correction process and improves production efficiency and quality. Can be, it is possible to reduce the manufacturing cost.
- the stress distribution at the front portion of the vehicle body frame FA is shown in FIG. 7A, the stress is continuous from the head pipe 10 to the down frame 22, and the frame from the head pipe 10 to the down frame 22 is given flexibility.
- the stress is continuous from the head pipe 10 to the down frame 22, and the frame from the head pipe 10 to the down frame 22 is given flexibility.
- the stress is not continuous at the boundary between the main frame 51 and the down frame 52, and the frame from the head pipe 50 to the down frame 52 is not broken.
- the concave portions 36 along the outer shape of the head pipe support portion 22a are respectively formed on both side surfaces of the head pipe support portion 22a, the rigidity of the head pipe support portion 22a can be improved and the design can be improved.
- the head pipe support 22a is formed to have the opening 35 on the opposite side to the head pipe 10, the rigidity of the joint of the head pipe support 22a to the head pipe 10 can be adjusted. It is possible, and the frame can be smoothly deformed with respect to the load, which can contribute to the improvement of the steering performance.
- the front end portion of the main frame 21 covers the opening 35 and is welded to both side surfaces and the upper surface of the head pipe support portion 22a, the rigidity of the joint portion between the head pipe support portion 22a and the main frame 21 is increased. be able to.
- the head pipe support 22a and the main frame 21 are welded to both side surfaces of the head pipe support 22a and lower portions of both side surfaces of the main frame 21, the head pipe support The joint portion between the portion 22a and the main frame 21 can be reinforced by the reinforcing member 37, and the welded portion 38 of the reinforcing member 37 to the side surface of the head pipe support portion 22a extends to the side surface of the head pipe support portion 22a. Since it arrange
- a tank support rod 40 extending in the vehicle width direction so as to hold the fuel tank 18 straddling the main frame 21 from above is welded to the pair of left and right reinforcing members 37 through the reinforcing members 37. Therefore, the pair of left and right reinforcement members 37 can be positioned in the vehicle width direction, and the tank support rod 40 is welded to the head pipe support portion 22a and the main frame 21 in the small assembled state. Welding is possible, and the welding process can be simplified.
- the head pipe support portion 22a is welded to the outer surface of the head pipe 10 on the one-diameter line DL along the vehicle width direction of the head pipe 10, the welding stability of the head pipe support portion 22a to the head pipe 10 is stabilized. Will be improved.
- the vehicle body frame FB includes a head pipe 10, a main frame 41 that extends rearwardly behind the head pipe 10, and a down extension that extends rearwardly below the main frame 41 so as to support the front portion of the engine body 14.
- a pair of left and right auxiliary frames 25 connecting the middle part in the front-rear direction of the seat frame 23 and extending rearward
- the main frame 41 is formed in a hollow cylindrical shape by a press-molded plate material
- the down frame 42 is a press-molded plate material and is formed into a hollow cylinder.
- the front end of the down frame 42 is provided with a head pipe support portion 42a that is directly joined to the rear portion of the head pipe 10 and projects rearward from the head pipe 10.
- the head A pipe support portion 42a is integrally provided at the front end portion of the down frame 42.
- An engine support portion 42b that supports the front portion of the crankcase 15 in the engine body 14 is provided at the rear end portion of the down frame 22, and in this embodiment, the engine support portion 42b is connected to the down frame 42.
- a starter 43 is attached to the front portion of the crankcase 15.
- the head pipe support part 42a is fastened to a pair of upper and lower support protrusions 44 and 45 projecting from the rear part of the head pipe 10 with a pair of upper and lower bolts 46, and the front end of the main frame 41 is supported by the head pipe support. It is welded directly to the part 42a.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
13・・・操向ハンドル
14・・・エンジン本体
18・・・燃料タンク
21,41・・・メインフレーム
22,42・・・ダウンフレーム
22a,42a・・・ヘッドパイプ支持部
22b,42b・・・エンジン支持部
28,29,30,32,33・・・板材
35・・・開口部
36・・・凹部
37・・・補強部材
38,39・・・溶接部
40・・・タンク支持ロッド
DL・・・一直径線
FA,FB・・・車体フレーム DESCRIPTION OF
Claims (7)
- 操向ハンドル(13)を操向可能に支持するヘッドパイプ(10)と、プレス成形された板材(28,29,30)で中空の筒状に形成されるとともに前記ヘッドパイプ(10)の後方で後下がりに延びるメインフレーム(21,41)と、プレス成形された板材(32,33)で中空の筒状に形成されるとともにエンジン本体(14)の前部を支持するようにして前記メインフレーム(21,41)の下方で後下がりに延びるダウンフレーム(22,42)とを備える自動二輪車用車体フレームにおいて、前記ダウンフレーム(22,42)の前端部に、前記ヘッドパイプ(10)の後部に直接接合されるとともに前記ヘッドパイプ(10)から後方に張り出すヘッドパイプ支持部(22a,42a)が設けられ、前記ダウンフレーム(22,42)の後端部に、前記エンジン本体(14)の前部を支持するエンジン支持部(22b,42b)が設けられ、前記ダウンフレーム(22,42)とは別部材に形成される前記メインフレーム(21,41)の前端部が、前記ダウンフレーム(22,42)の前記ヘッドパイプ支持部(22a,42a)に溶接されることを特徴とする自動二輪車用車体フレーム。 A head pipe (10) that supports the steering handle (13) in a steerable manner and a press-molded plate (28, 29, 30) are formed in a hollow cylindrical shape and are located behind the head pipe (10). The main frame (21, 41) extending downward and the plate material (32, 33) formed by pressing and forming a hollow cylinder and supporting the front portion of the engine body (14). In a motorcycle body frame including a down frame (22, 42) extending rearward and downward below the frame (21, 41), the head pipe (10) is provided at a front end portion of the down frame (22, 42). Head pipe support portions (22a, 42a) that are directly joined to the rear portion and project rearward from the head pipe (10) are provided, and the down frame ( 2, 42) is provided with an engine support portion (22b, 42b) for supporting the front portion of the engine body (14) at a rear end portion thereof, and is formed as a separate member from the down frame (22, 42). A body frame for a motorcycle, wherein a front end portion of the main frame (21, 41) is welded to the head pipe support portion (22a, 42a) of the down frame (22, 42).
- 前記ヘッドパイプ支持部(22a)の両側面に、当該ヘッドパイプ支持部(22a)の外形に沿う凹部(36)がそれぞれ形成されることを特徴とする請求項1に記載の自動二輪車用車体フレーム。 The body frame for a motorcycle according to claim 1, wherein recesses (36) are formed on both side surfaces of the head pipe support portion (22a) along the outer shape of the head pipe support portion (22a). .
- 前記ヘッドパイプ支持部(22a)は、前記ヘッドパイプ(10)とは反対側に開口部(35)を有するように形成されることを特徴とする請求項2に記載の自動二輪車用車体フレーム。 The body frame for a motorcycle according to claim 2, wherein the head pipe support (22a) is formed to have an opening (35) on the opposite side to the head pipe (10).
- 前記メインフレーム(21)の前端部が、前記開口部(35)を覆って前記ヘッドパイプ支持部(22a)の両側面および上面に溶接されることを特徴とする請求項3に記載の自動二輪車用車体フレーム。 The motorcycle according to claim 3, wherein a front end portion of the main frame (21) covers the opening (35) and is welded to both side surfaces and an upper surface of the head pipe support portion (22a). Body frame.
- 前記ヘッドパイプ支持部(22a)および前記メインフレーム(21)の接合部を補強する補強部材(37)が、前記ヘッドパイプ支持部(22a)の両側面および前記メインフレーム(21)の前端部の両側面下部に溶接され、前記ヘッドパイプ支持部(22a)の側面への前記補強部材(37)の溶接部(38)が、前記ヘッドパイプ支持部(22a)の側面への前記メインフレーム(21)の溶接部(39)に連続して連なるように配置されることを特徴とする請求項4に記載の自動二輪車用車体フレーム。 Reinforcing members (37) that reinforce the joint between the head pipe support (22a) and the main frame (21) are provided on both side surfaces of the head pipe support (22a) and on the front end of the main frame (21). The welded portion (38) of the reinforcing member (37) to the side surface of the head pipe support portion (22a) is welded to the lower portions of both side surfaces, and the main frame (21 The vehicle body frame for a motorcycle according to claim 4, wherein the vehicle body frame is arranged so as to be continuously connected to the welded portion (39).
- 前記メインフレーム(21)を上方から跨ぐ燃料タンク(18)を保持するようにして車幅方向に延びるタンク支持ロッド(40)が、左右一対の前記補強部材(37)に、それらの補強部材(37)を貫通して溶接されることを特徴とする請求項5に記載の自動二輪車用車体フレーム。 A tank support rod (40) extending in the vehicle width direction so as to hold the fuel tank (18) straddling the main frame (21) from above is provided to the pair of left and right reinforcing members (37). 37) The vehicle body frame for a motorcycle according to claim 5, wherein the vehicle body frame is welded through 37).
- 前記ヘッドパイプ支持部(22a)が、前記ヘッドパイプ(10)の車幅方向に沿う一直径線(DL)上で前記ヘッドパイプ(10)の外面に溶接されることを特徴とする請求項1~6のいずれか1項に記載の自動二輪車用車体フレーム。 The said head pipe support part (22a) is welded to the outer surface of the said head pipe (10) on one diameter line (DL) along the vehicle width direction of the said head pipe (10). The body frame for a motorcycle according to any one of 1 to 6.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/053643 WO2017138067A1 (en) | 2016-02-08 | 2016-02-08 | Body frame for two-wheeled motor vehicle |
JP2017566253A JP6651554B2 (en) | 2016-02-08 | 2016-02-08 | Body frame for motorcycles |
PH12018501540A PH12018501540A1 (en) | 2016-02-08 | 2018-07-19 | Body frame for two-wheeled motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/053643 WO2017138067A1 (en) | 2016-02-08 | 2016-02-08 | Body frame for two-wheeled motor vehicle |
Publications (1)
Publication Number | Publication Date |
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WO2017138067A1 true WO2017138067A1 (en) | 2017-08-17 |
Family
ID=59562966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/053643 WO2017138067A1 (en) | 2016-02-08 | 2016-02-08 | Body frame for two-wheeled motor vehicle |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6651554B2 (en) |
PH (1) | PH12018501540A1 (en) |
WO (1) | WO2017138067A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113335438A (en) * | 2021-07-27 | 2021-09-03 | 江苏爱玛车业科技有限公司 | Crossbeam and electric vehicle frame |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5833389U (en) * | 1981-08-29 | 1983-03-04 | スズキ株式会社 | Motorcycle fuel tank attachment device |
JPS61125976A (en) * | 1984-11-21 | 1986-06-13 | ヤマハ発動機株式会社 | Frame for motorcycle |
JPH01212681A (en) * | 1988-02-19 | 1989-08-25 | Suzuki Motor Co Ltd | Frame for motorcycle |
JPH03118287A (en) * | 1989-09-29 | 1991-05-20 | Yamaha Motor Co Ltd | Vehicle body frame structure of motorcycle |
JPH0539077A (en) * | 1991-08-08 | 1993-02-19 | Honda Motor Co Ltd | Frame construction of motorcycle |
JP2013095252A (en) * | 2011-10-31 | 2013-05-20 | Honda Motor Co Ltd | Vehicle body frame of motorcycle |
-
2016
- 2016-02-08 JP JP2017566253A patent/JP6651554B2/en active Active
- 2016-02-08 WO PCT/JP2016/053643 patent/WO2017138067A1/en active Application Filing
-
2018
- 2018-07-19 PH PH12018501540A patent/PH12018501540A1/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5833389U (en) * | 1981-08-29 | 1983-03-04 | スズキ株式会社 | Motorcycle fuel tank attachment device |
JPS61125976A (en) * | 1984-11-21 | 1986-06-13 | ヤマハ発動機株式会社 | Frame for motorcycle |
JPH01212681A (en) * | 1988-02-19 | 1989-08-25 | Suzuki Motor Co Ltd | Frame for motorcycle |
JPH03118287A (en) * | 1989-09-29 | 1991-05-20 | Yamaha Motor Co Ltd | Vehicle body frame structure of motorcycle |
JPH0539077A (en) * | 1991-08-08 | 1993-02-19 | Honda Motor Co Ltd | Frame construction of motorcycle |
JP2013095252A (en) * | 2011-10-31 | 2013-05-20 | Honda Motor Co Ltd | Vehicle body frame of motorcycle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113335438A (en) * | 2021-07-27 | 2021-09-03 | 江苏爱玛车业科技有限公司 | Crossbeam and electric vehicle frame |
Also Published As
Publication number | Publication date |
---|---|
PH12018501540A1 (en) | 2019-05-27 |
JPWO2017138067A1 (en) | 2018-09-06 |
JP6651554B2 (en) | 2020-02-19 |
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