JP3245155U - hitch member - Google Patents

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JP3245155U
JP3245155U JP2023003969U JP2023003969U JP3245155U JP 3245155 U JP3245155 U JP 3245155U JP 2023003969 U JP2023003969 U JP 2023003969U JP 2023003969 U JP2023003969 U JP 2023003969U JP 3245155 U JP3245155 U JP 3245155U
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hitch member
hitch
brackets
rectangular plate
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睦雄 池田
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Abstract

【課題】より高い荷重に耐えられ、その結果、安全率が飛躍的に向上するヒッチメンバーを提供する。【解決手段】自動車の車体後部に各種トレーラーを牽引するヒッチメンバーであって、車体後部に垂直に取りつけられる２つのブラケット３ａ、３ｂと、２つのブラケット間に接合されるヒッチメンバーのメンバー部１とを有し、メンバー部両端は方形状に形成される方形板２ａ、２ｂと、方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部５ａ、５ｂを有する。【選択図】図１An object of the present invention is to provide a hitch member that can withstand higher loads and, as a result, dramatically improves the safety factor. [Solution] A hitch member for towing various trailers at the rear of a car body, which includes two brackets 3a and 3b vertically attached to the rear of the car body, and a member part 1 of the hitch member joined between the two brackets. However, both ends of the member part have rectangular plates 2a, 2b formed in a rectangular shape, and square recesses 5a, 5b in which the bracket surfaces facing the square plates fit the square plates. [Selection diagram] Figure 1

Description

本考案は、フィッシングボートなどを載置するトレーラーやキャンピングトレーラーなどを牽引する自動車と連結させるための装置の根幹部分であるヒッチメンバーに関する。 The present invention relates to a hitch member, which is the essential part of a device for connecting a trailer carrying a fishing boat, etc., a camping trailer, etc. to a vehicle towing it.

この種のヒッチメンバーに関しては、例えば、特開２００２－２２００７１号公報に開示の「牽引装置」が知られている。
特開２００２－２２００７１号公報の開示は、発明名称「小型トレーラーの牽引装置」に係り、「従来、自動車における小型トレーラー用牽引装置のメンバー部は角パイプか丸パイプで、・・強度的には上下荷重より前後荷重を多くとる必要があり両方を満足するために必要以上の材料を使う必要があり、その為、重量が重く、また外観が無骨である」等の発明の課題解決のために（同公報明細書段落番号０００２参照）、「小型トレーラーの牽引装置（通称ヒッチメンバー）においてメンバー部を長径と短径の比率が１：０、６５から１：０、８の範囲内の楕円パイプを用いる」構成とすることにより（同公報特許請求の範囲の記載参照）、「牽引装置の軽量化につながると同時に従来のものより非常に美しい牽引装置が出来る」との効果を奏するものである(同公報明細書段落番号００１２参照）。 Regarding this type of hitch member, for example, a "traction device" disclosed in Japanese Patent Laid-Open No. 2002-220071 is known.
The disclosure of Japanese Patent Application Laid-open No. 2002-220071 relates to the title of the invention, ``Tracking device for small trailers,'' and states, ``Conventionally, the member part of the traction device for small trailers in automobiles has been either square pipes or round pipes... In order to solve the problems of inventions such as ``It is necessary to have more longitudinal load than vertical load, and it is necessary to use more material than necessary to satisfy both, which results in heavy weight and a rugged appearance.'' (Refer to Paragraph No. 0002 of the specification of the same publication). By adopting the structure of ``Using the traction device'' (refer to the claims of the same publication), it has the effect of ``reducing the weight of the traction device and at the same time making it possible to create a traction device that is much more beautiful than conventional ones'' ( (See Paragraph No. 0012 of the specification of the same publication).

図４は、特開２００２－２２００７１号公報に添付第１図として記載される開示発明を実施した状態の牽引装置の斜視図であり、図４において、符号１０１は、取り付けブラケット、１０２は、メンバー部、１０３は、ヒッチボールである（符号は、先行技術であることを明らかにするために、本願出願人において、３桁に変更して説明した。）。
本願出願人は、この種の牽引装置(ヒッチメンバー）について、自動車会社スズキ社製ジムニー(「ジムニー」は登録商標、以下同じ)用のヒッチメンバーを製作し取りつけている。 FIG. 4 is a perspective view of a traction device in which the disclosed invention described in FIG. 1 attached to JP-A No. 2002-220071 is implemented. In FIG. Part 103 is a hitch ball (in order to clarify that it is a prior art, the applicant has changed the number to three digits in the explanation).
Regarding this type of towing device (hitch member), the applicant of the present application has manufactured and installed a hitch member for the Jimny ("Jimny" is a registered trademark, the same hereinafter) manufactured by the automobile company Suzuki Motor Corporation.

図５は、本願出願人が製作使用するスズキジムニー車用の従来のヒッチメンバーの概略図である。図５において、符号１１０ａ、１１０ｂは、ジムニー車体に取りつけるブラケット、１１１は、従来のヒッチメンバーのメンバー部、１１２ａ、１１２ｂは、ヒッチメンバー１１１の両端に配置されるブラケット１１０ａ、１１０ｂとの接合部、１１３ａ、１１３ｂ、１１３ｃ、１１３ｄは接合ボルト、１１４ａ、１１４ｂ、１１４ｃ、１１４ｄは、同接合ナットである。
また、図６は、ブラケット１１０ａとヒッチメンバーのメンバー部１１１のとの接合部１１２ａとの従来の接合状態を示す詳細拡大図であり、平坦表面からなるブラケット１１０ａと、同様に平坦表面からなるヒッチメンバーのメンバー部１１１が、接合部１１２ａで接合される状態を示している。 FIG. 5 is a schematic diagram of a conventional hitch member for a Suzuki Jimny vehicle manufactured and used by the applicant. In FIG. 5, reference numerals 110a and 110b are brackets to be attached to the Jimny vehicle body, 111 is a member portion of a conventional hitch member, 112a and 112b are joint portions with brackets 110a and 110b arranged at both ends of the hitch member 111, 113a, 113b, 113c, and 113d are connection bolts, and 114a, 114b, 114c, and 114d are connection nuts.
Further, FIG. 6 is a detailed enlarged view showing a conventional joint state between the bracket 110a and the joint portion 112a of the member portion 111 of the hitch member. A state in which the member portion 111 is joined at a joint portion 112a is shown.

図５及び図６に示すように、本願出願人が製作使用するスズキジムニー車用の従来のヒッチメンバーのメンバー部１１１は、車体に取りつけられるブラケット１１０ａ、１１０ｂと、メンバー部１１１の両端の接合部１１２ａ、１１２ｂは、共に平板形状であり、両接合部１１２ａ、１１２ｂが、平面同士で接合されているに過ぎないので、当該従来のヒッチメンバー部１１１にトレーラー(図示外)等が接続された場合、トレーラー等の牽引時にヒッチボールからボールマウントを介してヒッチメンバー部１１１に垂直荷重及び水平荷重や、その他複合的な荷重がかかり、その結果、接合ボルト１１３ａ、１１３ｂ、１１３ｃ、１１３ｄにせん断荷重がかかる懸念がある。このため、ボートトレーラー(図示外）やキャンピングトレーラー(図示外）等の重量級トレーラーを頻繁に牽引する場合などでは、繰り返し荷重による接合ボルト１１３ａ、１１３ｂ、１１３ｃ、１１３ｄがせん断されてしまうというおそれがある。 As shown in FIGS. 5 and 6, a member portion 111 of a conventional hitch member for a Suzuki Jimny vehicle manufactured and used by the applicant of the present application has brackets 110a and 110b attached to the vehicle body, and joint portions 112a at both ends of the member portion 111. , 112b are both flat plate shapes, and both joint parts 112a and 112b are only joined flatly, so when a trailer (not shown) or the like is connected to the conventional hitch member part 111, the trailer When towing the hitch member 111 from the hitch ball through the ball mount, vertical loads, horizontal loads, and other complex loads are applied to the hitch member portion 111, and as a result, there is a concern that shearing loads will be applied to the joint bolts 113a, 113b, 113c, and 113d. be. Therefore, when heavy trailers such as boat trailers (not shown) or camping trailers (not shown) are frequently towed, there is a risk that the joint bolts 113a, 113b, 113c, and 113d may be sheared due to repeated loads. be.

特開２００２－２２００７１号公報Japanese Patent Application Publication No. 2002-220071 特開２００８-３０２７４７号公報JP2008-302747A 実開昭５９－５１６０３号公報Publication No. 59-51603

本願考案は、上述する従来上の懸念やおそれを解消するために、ブラケットとヒッチメンバーのメンバー部両端の対向面の一方に凹部を設け、ヒッチメンバーのメンバー部の端面が、ブラケット面との間の接合部を凹凸の嵌合嵌め込み構造とし、ヒッチメンバーとブラケットとの間の接合ボルトにせん断荷重がかからないようにすることにより、より高い荷重に耐えられ、その結果、安全率が飛躍的に向上するヒッチメンバーを提供することを目的とする。 In order to solve the above-mentioned conventional concerns and fears, the present invention provides a recess in one of the opposing surfaces of both ends of the member part of the bracket and hitch member, so that the end face of the member part of the hitch member is connected to the bracket surface. The hitch member has an uneven fitting structure and prevents shearing loads from being applied to the joint bolts between the hitch member and the bracket, thereby creating a hitch member that can withstand higher loads and, as a result, dramatically improves the safety factor. The purpose is to provide.

上記の課題を解決するために、本願請求項１に係るヒッチメンバーの考案は、自動車の車体後部に各種トレーラーを牽引するヒッチメンバーであって、車体後部に垂直に取りつけられる２つのブラケットと、２つのブラケット間に接合されるヒッチメンバーのメンバー部とを有し、メンバー部両端は方形状に形成される方形板と、方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部を有することを特徴とする。
また、本願請求項２に係る考案は、請求項１に記載のヒッチメンバーにおいて、メンバー部両端の方形板と、方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部に替えて、方形板表面の方形凹部と、これに対向するブラケット表面の方形凸形状の方形板とを有することを特徴とする。
さらに、本願請求項３に係る考案は、請求項１又は請求項２に記載のヒッチメンバーにおいて、メンバー部両端の方形板と、方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部、又は、方形板表面の方形凹部と、これに対向するブラケット表面の方形凸形状の方形板は、それぞれ楕円又は角形状の凸部及び凹部であることを特徴とする。 In order to solve the above problems, the invention of the hitch member according to claim 1 of the present application is a hitch member for towing various trailers at the rear of the vehicle body, which includes two brackets that are vertically attached to the rear of the vehicle body; and a member part of a hitch member that is joined between the hitch members, and both ends of the member part have a rectangular plate formed in a rectangular shape, and a bracket surface facing the square plate has a rectangular recess into which the rectangular plate is fitted. shall be.
Further, the invention according to claim 2 of the present application is such that, in the hitch member according to claim 1, the square plates at both ends of the member part and the bracket surface facing the square plates are square in place of the square recess into which the square plates are fitted. It is characterized by having a rectangular concave portion on the plate surface and a rectangular plate having a rectangular convex shape on the bracket surface opposite thereto.
Furthermore, in the hitch member according to claim 1 or 2, the invention according to claim 3 of the present application includes a rectangular plate at both ends of the member part, and a rectangular recess into which the bracket surface facing the rectangular plate is fitted into which the rectangular plate is fitted. Alternatively, the rectangular concave portion on the surface of the rectangular plate and the rectangular convex shaped rectangular plate on the surface of the bracket opposing thereto are characterized in that they are respectively elliptical or square-shaped convex portions and concave portions.

上記の構造としたので、ブラケットに凹部を設け、ヒッチメンバー両短のブラケットとの接合部を凸構造として、凹部を嵌め込む構造にし、ヒッチメンバーとブラケットとの間の接合ボルトにせん断荷重がかからないようにすることにより、より高い荷重に耐えられ、その結果、安全率が飛躍的に向上するという効果を奏する。 With the above structure, the bracket is provided with a recess, and the joints of both short hitch members with the brackets are made into a convex structure, and the recess is fitted into the structure to prevent shearing load from being applied to the joint bolt between the hitch member and the bracket. By doing so, it is possible to withstand higher loads, and as a result, the safety factor is dramatically improved.

図１は、本考案に係るヒッチメンバーの実施例１を示す概略図である。FIG. 1 is a schematic diagram showing a first embodiment of a hitch member according to the present invention. 図２は、本実施例１に係るヒッチメンバー１の両端の方形凸部が車体に取りつけるブラケットの接合面の方形凹部に嵌合、 接合される状態を示す接合図である。FIG. 2 is an assembly diagram showing a state in which the rectangular convex portions at both ends of the hitch member 1 according to the first embodiment are fitted and joined to the rectangular concave portions of the joint surface of the bracket to be attached to the vehicle body. 図３は、本実施例１に係るヒッチメンバー１にヒッチボールを配設した使用状態を示す概略図である。FIG. 3 is a schematic diagram showing a usage state in which a hitch ball is arranged on the hitch member 1 according to the first embodiment. 図４は、特開２００２－２２００７１号公報に添付第１図として記載される開示発明を実施した状態の牽引装置の斜視図である。FIG. 4 is a perspective view of a traction device in which the disclosed invention described in FIG. 1 attached to JP-A No. 2002-220071 is implemented. 図５は、本願出願人が製作使用するスズキジムニー車用の従来のヒッチメンバーの概略図である。FIG. 5 is a schematic diagram of a conventional hitch member for a Suzuki Jimny vehicle manufactured and used by the applicant. 図６は、車体に取りつけるブラケット及びヒッチメンバー両端が共に平坦板からなる従来のヒッチメンバーの接合状態を示す詳細拡大図である。FIG. 6 is a detailed enlarged view showing the joined state of a conventional hitch member in which both ends of the hitch member and the bracket attached to the vehicle body are made of flat plates.

本考案に係るヒッチメンバーを実施するための一実施例を図面に基づき詳細に説明する。 An embodiment of the hitch member according to the present invention will be described in detail based on the drawings.

図１は、本考案に係るヒッチメンバーを実施するための一実施例であるヒッチメンバーの実施例を示す概略図である。
図１において、符号１は、本考案の実施例１に係るヒッチメンバーのメンバー部、２ａ、２ｂは、実施例１に係るヒッチメンバーのメンバー部１の両端方形板、３ａ、３ｂは、車体に取りつけられるブラケット、４ａ、４ｂは、当該ブラケット４ａ、４ｂのヒッチメンバーのメンバー部１との接合面に形成され、前記方形板が嵌合される方形凹部枠、５ａ、５ｂは、ブラケットの対向面の方形凹部、６ａ、６ｂ、６ｃ、６ｄは、接合ボルト、７ａ、７ｂ、７ｃ、７ｄは、同接合ナット、８は、ヒッチボール取付け口である。
図１に示すように、本実施例１に係るヒッチメンバーは、自動車の車体後部に垂直に取りつけられる２つのブラケット３ａ、３ｂと、これらのブラケット３ａ、３ｂ間にヒッチメンバーのメンバー部１が接合される基本構造を有する。そして、メンバー部１の両端には、ブラケット３ａ、３ｂと接合されるため方形状の方形板２ａ、２ｂが形成され、これに対向するブラケット３ａ、３ｂの対向面には、方形板２ａ、２ｂが嵌め込む嵌合される方形凹部５ａ、５ｂをそれぞれ形成してなる構造を有することが特徴である。 FIG. 1 is a schematic diagram showing an embodiment of a hitch member, which is an embodiment of the hitch member according to the present invention.
In FIG. 1, reference numeral 1 denotes a member part of a hitch member according to Embodiment 1 of the present invention, 2a and 2b are rectangular plates at both ends of member part 1 of the hitch member according to Embodiment 1, and 3a and 3b are attached to the vehicle body. The brackets 4a and 4b are formed on the joint surfaces of the brackets 4a and 4b with the member portion 1 of the hitch member, and the rectangular recess frames into which the square plates are fitted, and 5a and 5b are the rectangular recesses on the opposing surfaces of the brackets. , 6a, 6b, 6c, and 6d are connection bolts, 7a, 7b, 7c, and 7d are connection nuts, and 8 is a hitch ball attachment port.
As shown in FIG. 1, the hitch member according to the first embodiment includes two brackets 3a and 3b that are vertically attached to the rear of the vehicle body, and a member portion 1 of the hitch member that is joined between these brackets 3a and 3b. It has a basic structure. At both ends of the member part 1, rectangular plates 2a, 2b are formed so as to be joined to the brackets 3a, 3b, and on the opposing surfaces of the brackets 3a, 3b, square plates 2a, 2b are formed. It is characterized by having a structure formed by respectively forming rectangular recesses 5a and 5b into which they are fitted.

図２は、本実施例１に係るヒッチメンバー１の両端の方形凸部２ａ、２がブラケット３ａ、３ｂの接合面に形成された凹部５ａ、５ｂ(図２には図示外）に嵌合されて 接合される状態を示す接合図である。
図１、図２に示すブラケット３ａ、３ｂは、本願出願人が使用するジムニー車においては、同車のラダーフレーム(図示外）にボルト・ナット(図示外）により接合固定するようにしたものであり、両ブラケット３ａ、３ｂは、本実施例１に係るヒッチメンバー１との接合面が垂直に係合するように配置される。 FIG. 2 shows that rectangular convex portions 2a, 2 at both ends of the hitch member 1 according to the first embodiment are fitted into recesses 5a, 5b (not shown in FIG. 2) formed in the joint surfaces of brackets 3a, 3b. FIG. 3 is a joining diagram showing a state in which the parts are joined.
In the Jimny car used by the applicant, the brackets 3a and 3b shown in Figs. 1 and 2 are fixed to the ladder frame (not shown) of the car using bolts and nuts (not shown). Both brackets 3a and 3b are arranged so that their joint surfaces with the hitch member 1 according to the first embodiment are vertically engaged.

しかしながら、このようなラダーフレーム構造ではない車種、例えば、モノコックボディの車体に接合面を垂直に形成するブラケット３ａ、３ｂを取りつけるには、当該モノコックボディの適切な箇所(例えば、サイレンサーや排気口その他に干渉せず、かつ、両接合面を垂直に維持できる位置等）に取りつけることを要する。このため、ブラケット３ａ、３ｂは、モノコックボディの取付け部途が分離するセパレートタイプのブラケットであっても良い。 However, in order to attach brackets 3a and 3b that form vertical joint surfaces to a car model that does not have such a ladder frame structure, for example, a monocoque body, it is necessary to attach the brackets 3a and 3b to the car body with a monocoque body at an appropriate location (for example, a silencer, an exhaust port, etc.). It must be installed in a position that does not interfere with the joint surface and maintains both joint surfaces vertically. For this reason, the brackets 3a and 3b may be separate type brackets in which the mounting portions of the monocoque body are separated.

なお、本実施例１に係るヒッチメンバー１の両端の方形凸部２ａ、２ｂは、長方形状としたが、これは振動や回動に耐えられる形状、例えば、楕円形状や三角形、星型形状等の角がある角形状であっても良く、また、本実施例１に係るヒッチメンバー１においては、ヒッチメンバー１の両端を方形凸部２ａ、２ｂとし、ブラケット３ａ、３ｂの対向面に凹部４ａ、４ｂを配置したが、これは、ヒッチメンバー１の両端面に凹部をブラケット３ａ、３ｂの対向面に方形凸部を設ける構想としても良い。 Although the rectangular convex portions 2a and 2b at both ends of the hitch member 1 according to the first embodiment are rectangular, they may have a shape that can withstand vibration and rotation, such as an ellipse, a triangle, or a star shape. The hitch member 1 according to the first embodiment has rectangular convex portions 2a, 2b at both ends, and recesses 4a, 4b on the opposing surfaces of the brackets 3a, 3b. Although the hitch member 1 is provided with recesses on both end faces thereof, and rectangular protrusions are provided on opposing faces of the brackets 3a and 3b, this may be an alternative.

図３は、本実施例１に係るヒッチメンバー１にヒッチボールを配設した使用状態を示す概略図であり、図３において、符号９は、ヒッチボール、１０は、ボールマウントであり、その余の符号が図１、図２に示した同じ部材、箇所は同じ符号で示している。
図３に示すように、本実施例１に係るヒッチメンバー１は、例えば、本願出願人が使用するジムニー車等の後にフィッシングボートなどを載置するトレーラー(図示外）やキャンピングトレーラー(図示外）などを牽引するために連結して、これらのトレーラーを牽引走行に利用される。 FIG. 3 is a schematic diagram showing a usage state in which a hitch ball is arranged on the hitch member 1 according to the first embodiment. In FIG. 3, numeral 9 is a hitch ball, 10 is a ball mount, and the rest Components and locations having the same reference numerals as shown in FIGS. 1 and 2 are indicated by the same reference numerals.
As shown in FIG. 3, the hitch member 1 according to the first embodiment is, for example, a trailer (not shown) or a camping trailer (not shown) on which a fishing boat or the like is placed behind a Jimny car used by the applicant. These trailers are used for towing.

本考案は、フィッシングボートなどを載置するトレーラーやキャンピングトレーラーなどを牽引する自動車と連結させるための装置の根幹部分であるヒッチメンバーに利用される。 The present invention is used for a hitch member, which is the essential part of a device for connecting a trailer carrying a fishing boat, etc., a camping trailer, etc. to a car towing it.

１ 本考案に係る実施例１のヒッチメンバーのメンバー部
２ａ、２ｂ ヒッチメンバー１の両端方形凸部
３ａ、３ｂ 車体に取りつけられるブラケット
４ａ、４ｂ ブラケットの対向面に形成される方形凹部枠
５ａ、５ｂ ブラケットの対向面に形成される方形凹部
６ａ、６ｂ、６ｃ、６ｄ 接合ボルト
７ａ、７ｂ、７ｃ、７ｄ 同接合ナット
８ ヒッチボール取付け口
９ ヒッチボール
１０１ 取り付けブラケット
１０２ メンバー部
１０３ ヒッチボール
１１０ａ、１１０ｂ ジムニー車体に取りつけるブラケット
１１１ 従来のヒッチメンバーのメンバー部
１１２ａ、１１２ｂ 従来のヒッチメンバーのメンバー部１１１の端部１１２ａ、１１２ｂとブラケット１１０ａ、１１０ｂとの接合部
１１３ａ、１１３ｂ、１１３ｃ、１１３ｄ 接合ボルト
１１４ａ、１１４ｂ、１１４ｃ、１１４ｄ 同接合ナット
1 Member portions of the hitch member of Example 1 according to the present invention 2a, 2b Rectangular convex portions at both ends of the hitch member 1 3a, 3b Brackets attached to the vehicle body 4a, 4b Rectangular concave frames formed on opposing surfaces of the brackets 5a, 5b of the brackets Rectangular recesses formed on opposing surfaces 6a, 6b, 6c, 6d Joint bolts 7a, 7b, 7c, 7d Joint nuts 8 Hitch ball mounting port 9 Hitch ball 101 Mounting bracket 102 Member portion 103 Hitch ball 110a, 110b Jimny vehicle body Bracket 111 to be attached Member parts 112a, 112b of the conventional hitch member Joint parts 113a, 113b, 113c, 113d between the ends 112a, 112b of the member part 111 of the conventional hitch member and the brackets 110a, 110b Joint bolts 114a, 114b, 114c, 114d same joint nut

Claims (3)

自動車の車体後部に各種トレーラーを牽引するヒッチメンバーであって、
車体後部に垂直に取りつけられる２つのブラケットと、
２つのブラケット間に接合されるヒッチメンバーのメンバー部とを有し、
メンバー部両端は方形状に形成される方形板と、当該方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部を有することを特徴とするヒッチメンバー。 A hitch member for towing various trailers at the rear of a car body,
Two brackets that can be attached vertically to the rear of the vehicle,
a member portion of a hitch member joined between the two brackets;
A hitch member characterized in that both ends of the member portion have a rectangular plate formed in a rectangular shape, and a bracket surface facing the rectangular plate has a rectangular recess into which the rectangular plate is fitted. メンバー部両端の方形板と、方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部に替えて、方形板表面の方形凹部と、これに対向するブラケット表面の方形凸形状の方形板とを有することを特徴とする請求項１に記載のヒッチメンバー。 Instead of a rectangular plate at both ends of the member part and a rectangular recess into which the bracket surface facing the rectangular plate fits into which the rectangular plate is fitted, a rectangular recess on the surface of the rectangular plate and a rectangular plate with a rectangular convex shape on the bracket surface opposite thereto. The hitch member according to claim 1, characterized in that it has: メンバー部両端の方形板と、方形板に対向するブラケット面が方形板を嵌め込み嵌合する方形凹部、又は、方形板表面の方形凹部と、これに対向するブラケット表面の方形凸形状の方形板は、それぞれ楕円又は角形状の凸部及び凹部であることを特徴とする請求項１又は請求項２に記載のヒッチメンバー。
A rectangular plate at both ends of the member part and a rectangular recess into which the bracket surface facing the rectangular plate fits the rectangular plate, or a rectangular recess on the surface of the rectangular plate and a rectangular convex square plate on the opposing bracket surface. 3. The hitch member according to claim 1 or 2, wherein the convex portion and the concave portion are respectively elliptical or angular in shape.
JP2023003969U 2023-11-01 2023-11-01 hitch member Active JP3245155U (en)

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