JP3785236B2

JP3785236B2 - Tightening elastic member for tire cover and mounting method thereof

Info

Publication number: JP3785236B2
Application number: JP32114296A
Authority: JP
Inventors: 真樹青木
Original assignee: TS Tech Co Ltd
Current assignee: TS Tech Co Ltd
Priority date: 1996-11-15
Filing date: 1996-11-15
Publication date: 2006-06-14
Anticipated expiration: 2016-11-15
Also published as: JPH10147119A

Description

【０００１】
【産業上の利用分野】
本発明は、タイヤカバーの締付弾性部材およびその装着方法に係るものである。
【０００２】
【従来技術】
従来公知公報の存在は不知であるが、タイヤの主として表側を包囲する表側カバーに、タイヤに装着する広狭に直径が変化する開口部を有するリング形状の裏側カバーを接続し、前記開口部の内周の挿入筒部に挿入開口部から締付弾性部材を複数周回挿通し、前記締付弾性部材の一端と他端とを結縛した構成は公知である。
【０００３】
【発明が解決しようとする課題】
前記公知例は、単に挿入筒部に締付弾性部材を複数周回挿通し、その一端と他端とを結縛した構成のため、一端と他端の間のいずれかの部分が切断すると、締付弾性部材は作用せず、開口部の内径は弛み、タイヤよりカバーが脱落する惧れがあるという課題がある。
タイヤカバーの構造を工夫すると前記課題を克服できる。
【０００４】
【発明の目的】
締付弾性部材の切断防止、締付弾性部材の装着の容易化、耐久性の向上。
【０００５】
【課題を解決するための手段】
本発明は、タイヤの主として表側を包囲する表側カバー２と、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３とにより構成し、前記開口部４の内周部に締付弾性部材５を装着したものにおいて、前記締付弾性部材５は、所定長さの紐部材１０の一端８と他端９との間の中間部分１１を複数のリング状になるように重ね合わせ、この互いに重ね合わせた部分を締結部材１２により締結して、各中間部分１１の紐部材１０は夫々独立したリング状に形成したタイヤカバーの締付弾性部材としたものである。
本発明は、タイヤの主として表側を包囲する表側カバー２の周縁に、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３の周縁を接続し、該開口部４の内周の挿入筒部６に挿入開口部７から一端８と他端９を有する紐部材１０の前記一端８と他端９のいずれか一方を複数周回挿通し、前記紐部材１０の一端８と他端９とその余のリング状の複数の中間部分１１とを重ね合わせ、該重ね合わせた部分を締結部材１２により締結するタイヤカバーの締付弾性部材の装着方法としたものである。
本発明は、タイヤの主として表側を包囲する表側カバー２と、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３とにより構成し、前記開口部４の内周部には締付弾性部材５を装着したものにおいて、前記締付弾性部材５は、前記開口部４の内周と略同じ長さであって一端８と他端９の両端部を有しかつ一端８と他端９の間は複数層形状に形成し、前記一端８と前記他端９とを結縛して、各締付弾性部材５は夫々独立したリング状に形成したタイヤカバーの締付弾性部材としたものである。
本発明は、タイヤの主として表側を包囲する表側カバー２の周縁に、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３の周縁を接続し、次に、一本の紐部材１０を予め複数回折って複数層形状であって前記開口部４の内周と略同じ長さの締付弾性部材５にし、この一本状態の締付弾性部材５の一端８と他端９を夫々係止部材１４により夫々係止し、次に、この締付弾性部材５の一端８または他端９を開口部４の挿入筒部６内に挿入開口部７より挿入し、次に、前記一端８と前記他端９とを結縛したタイヤカバーの締付弾性部材の装着方法としたものである。
本発明は、前記締付弾性部材５の一端８と他端９は、結縛後、結縛部１５よりはみ出た部分を係止部材１４により締付弾性部材５の本体に夫々係止したタイヤカバーの締付弾性部材の装着方法としたものである。
【０００６】
【実施例】
本発明の実施例を図面により説明すると、１はタイヤ（図示省略）の外周を包囲するタイヤカバーであり、タイヤの表側側面およびトレッド部を包囲する表側カバー２と、タイヤの裏側側面を包囲する裏側カバー３により形成する。
【０００７】
前記裏側カバー３は、タイヤに被せるために広狭に直径が変化する開口部４を有するリング形状に形成し、前記開口部４の内周にはゴム紐等の締付弾性部材５を挿入する挿入筒部６を全周に渡って形成し、挿入筒部６には一か所挿入開口部７を形成する。したがって、開口部４は、タイヤに装着するとき、大きく開口し、装着後は、タイヤの直径より小径になる。
【０００８】
しかして、前記締付弾性部材５は、一端８と他端９を有する一本状態の紐部材１０により形成する。紐部材１０の構成は任意であり、長さ方向に伸縮すれば良く、実施例では、長いゴム紐と樹脂あるいは布で形成した糸とを平板状に編み込んだ形成している。
【０００９】
紐部材１０は、その一端８または他端９のいずれか一方を挿入開口部７より前記挿入筒部６内に複数周（複数本）となるように複数周回挿通し、前記挿入開口部７の部分における紐部材１０の一端８と他端９のみならず、該一端８と他端９と重合するその余のリング状の複数の中間部分１１とを重合させ、該重合部分を締結部材１２により締結する。１３は締結部である。
【００１０】
したがって、挿入筒部６内の締付弾性部材５は紐部材１０を複数本挿入した状態であって、かつ、各紐部材１０は夫々独立したリング状に形成し、そのいずれかが切れても他の紐部材１０は締結部１３により締結される。
【００１１】
しかして、図４以降は、第２実施例を示し、一本状態の紐部材１０を複数層に折返し（図４）、その全長を前記小径状態の開口部４の内周と略同じ長さにし、この状態の一端８と他端９の部分の各紐部材１０は夫々係止部材１４により係止する（図５、図６）。したがって、複数層の紐部材１０を有する締付弾性部材５が得られる。
【００１２】
次に、この状態の締付弾性部材５の一端８と他端９のいずれか一方を前記挿入筒部６内に挿入開口部７より挿入し、挿入開口部７の部分にて一端８と他端９とを結縛する。１５は結縛部である。
【００１３】
次に、前記締付弾性部材５の一端８と他端９は、結縛後、結縛部１５よりはみ出た部分を係止部材１４により締付弾性部材５の本体に夫々係止する。
前記係止部材１４は、その構成は任意であり、タッカー、ホッチキス、あるいはＨクリップと当業者が呼ぶものでよく、厚みのある締付弾性部材５は縫製するのが困難であり、係止部材１４により係止すると、作業が容易になる。また、、Ｈクリップが作業性および固定性において好適である。
【００１４】
次に実施例の作用を述べる。
タイヤカバー１は、タイヤの表側側面およびトレッド部を包囲する表側カバー２と、裏側カバー３とにより構成し、裏側カバー３はタイヤを挿入する開口部４を有するリング形状に形成し、開口部４の内周の挿入筒部６には締付弾性部材５を挿入してあるので、裏側カバー３の開口部４を広げ、ここからタイヤに被せると、締付弾性部材５により開口部４が締まって、装着が完了する。
【００１５】
しかして、前記締付弾性部材５は、一本状の紐部材１０を前記挿入筒部６内に挿入開口部７から複数周（複数本）となるように挿入し、前記挿入開口部７の部分における紐部材１０のすべてを一か所にて締結部材１２により締結するから、最初一本形状の紐部材１０であっても、挿入筒部６内の紐部材１０は夫々独立した複数本を挿入した状態となる。したがって、挿入筒部６内の締付弾性部材５は、その紐部材１０のいずれかの部分が切れても他の紐部材１０は締結部材１２により締結されており、開口部４は開かず、タイヤより脱落するのを防止する。
【００１６】
しかして、図４以降の第２実施例では、締付弾性部材５は、一本の紐部材１０を予め２回折してその全長が小径状態の開口部４の内周と略同じ長さの３層（本）形状にし（図４）、この状態の一端８と他端９の夫々の紐部材１０を係止部材１４により係止して（図５、図６）、複数本からなる紐部材１０を一本状態にし、これを前記挿入筒部６内に挿入開口部７より挿入するから、挿入作業は一度で良く、作業を容易にする。
【００１７】
そして、挿入筒部６に挿入した複数層の紐部材１０により形成した一本状態の締付弾性部材５は、挿入開口部７の部分にてその一端８と他端９とを結縛するから、挿入筒部６内の紐部材１０は夫々独立した複数本を挿入した状態となって、挿入筒部６内の紐部材１０のいずれかの部分が切れても他の紐部材１０は結縛部１５により結縛されており、開口部４は開かず、タイヤより脱落するのを防止する。
【００１８】
また、一端８と他端９は夫々締付弾性部材５の本体に係止部材１４により係止するから、結縛部１５が弛むのを防止する。
また、第２実施例では、一本の紐部材１０を予め２回折の３層（本）形状にし（図３）、この状態の一端８と他端９の夫々の紐部材１０を係止部材１４により係止してから挿入するから、各層となる紐部材１０の緊張状態は略同一であり、一部の紐部材１０に緊張による応力が集中するのを防止でき、締付弾性部材５の耐久性を向上させる。
【００１９】
【効果】
本発明は、タイヤの主として表側を包囲する表側カバー２と、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３とにより構成し、前記開口部４の内周部に締付弾性部材５を装着したものにおいて、前記締付弾性部材５は、所定長さの紐部材１０の一端８と他端９との間の中間部分１１を複数のリング状になるように重ね合わせ、この互いに重ね合わせた部分を締結部材１２により締結して、各中間部分１１の紐部材１０は夫々独立したリング状に形成したタイヤカバーの締付弾性部材としたものであるから、最初一本形状の紐部材１０であっても、挿入筒部６内の紐部材１０は夫々独立した複数本を挿入した状態となり、紐部材１０のいずれかの部分が切れても他の紐部材１０は締結部材１２により締結されて、開口部４が開くのを防止できる。
本発明は、タイヤの主として表側を包囲する表側カバー２の周縁に、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３の周縁を接続し、該開口部４の内周の挿入筒部６に挿入開口部７から一端８と他端９を有する紐部材１０の前記一端８と他端９のいずれか一方を複数周回挿通し、前記紐部材１０の一端８と他端９とその余のリング状の複数の中間部分１１とを重ね合わせ、該重ね合わせた部分を締結部材１２により締結するタイヤカバーの締付弾性部材の装着方法としたものであるから、最初一本形状の紐部材１０であっても、挿入筒部６内の紐部材１０は夫々独立した複数本を挿入した状態となり、紐部材１０のいずれかの部分が切れても他の紐部材１０は締結部材１２により締結されて、開口部４が開くのを防止できる。
本発明は、タイヤの主として表側を包囲する表側カバー２と、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３とにより構成し、前記開口部４の内周部には締付弾性部材５を装着したものにおいて、前記締付弾性部材５は、前記開口部４の内周と略同じ長さであって一端８と他端９の両端部を有しかつ一端８と他端９の間は複数層形状に形成し、前記一端８と前記他端９とを結縛して、各締付弾性部材５は夫々独立したリング状に形成したタイヤカバーの締付弾性部材としたものであるから、複数本からなる紐部材１０を一本状態にして挿入するから、挿入作業は一度で良く、作業を容易にでき、挿入筒部６内の紐部材１０のいずれかの部分が切れても他の紐部材１０は結縛部１５により結縛されてそのまま作用する効果を奏する。また、一本の紐部材１０を予め複数回折って一本状態にするから、各層となる紐部材１０の緊張状態は略同一であり、一部の紐部材１０に緊張による応力が集中するのを防止でき、締付弾性部材５の耐久性を向上させることができる効果を奏する。
本発明は、タイヤの主として表側を包囲する表側カバー２の周縁に、タイヤの主として裏側を包囲し広狭に直径が変化する開口部４を有するリング形状の裏側カバー３の周縁を接続し、次に、一本の紐部材１０を予め複数回折って複数層形状であって前記開口部４の内周と略同じ長さの締付弾性部材５にし、この一本状態の締付弾性部材５の一端８と他端９を夫々係止部材１４により夫々係止し、次に、この締付弾性部材５の一端８または他端９を開口部４の挿入筒部６内に挿入開口部７より挿入し、次に、前記一端８と前記他端９とを結縛したタイヤカバーの締付弾性部材の装着方法としたものであるから、複数本からなる紐部材１０を一本状態にして、これを前記挿入筒部６内に挿入開口部７より挿入するので、挿入作業は一度で良く、作業を容易にする。
本発明は、前記締付弾性部材５の一端８と他端９は、結縛後、結縛部１５よりはみ出た部分を係止部材１４により締付弾性部材５の本体に夫々係止したタイヤカバーの締付弾性部材の装着方法としたものであるから、結縛部１５が弛むのを防止できる効果を奏する。
【図面の簡単な説明】
【図１】タイヤカバーを裏側視した状態の斜視図。
【図２】締付弾性部材の締結方法を示す斜視図。
【図３】紐部材の折り返し状態斜視図。
【図４】紐部材の端部を係止する状態の斜視図。
【図５】同側面図。
【図６】締付弾性部材の結縛部の斜視図。
【符号の説明】
１…タイヤカバー、２…表側カバー、３…裏側カバー、４…開口部、５…締付弾性部材、６…挿入筒部、７…挿入開口部、８…一端、９…他端、１０…紐部材、１１…中間部分、１２…締結部材、１３…締結部、１４…係止部材、１５…結縛部。[0001]
[Industrial application fields]
The present invention relates to a tightening elastic member for a tire cover and a mounting method thereof.
[0002]
[Prior art]
Although the existence of a publicly known publication is unknown, a ring-shaped back cover that has a wide and narrow opening that is attached to the tire is connected to a front cover that mainly surrounds the front side of the tire, A configuration in which a plurality of tightening elastic members are inserted through the insertion tube portion of the circumference from the insertion opening and one end and the other end of the tightening elastic member are bound is known.
[0003]
[Problems to be solved by the invention]
In the known example, the fastening elastic member is simply inserted into the insertion cylinder portion a plurality of times and the one end and the other end thereof are bound, so that when any part between the one end and the other end is cut, the fastening is performed. The attached elastic member does not act, there is a problem that the inner diameter of the opening portion is loosened and the cover may fall off from the tire.
The above problem can be overcome by devising the structure of the tire cover.
[0004]
OBJECT OF THE INVENTION
Prevention of cutting of the tightening elastic member, easy mounting of the tightening elastic member, and improvement of durability.
[0005]
[Means for Solving the Problems]
The present invention includes a front cover 2 that mainly surrounds the front side of the tire, and a ring-shaped back side cover 3 that has an opening 4 that surrounds the back side of the tire and has a diameter that varies widely. In the case where the tightening elastic member 5 is mounted on the inner peripheral portion, the tightening elastic member 5 has a plurality of ring-shaped intermediate portions 11 between one end 8 and the other end 9 of the cord member 10 having a predetermined length. The portions overlapped with each other are fastened by the fastening member 12, and the string member 10 of each intermediate portion 11 is an elastic member for tightening the tire cover formed into an independent ring shape. .
The present invention, on the periphery of the front cover 2 that surrounds mainly the front side of the tire, to connect the periphery of the back cover 3 of the ring-shaped having an opening 4 that varies mainly surround the backside diameter wide or narrow tire, the opening One of the one end 8 and the other end 9 of the string member 10 having one end 8 and the other end 9 from the insertion opening 7 through the insertion tube portion 6 on the inner periphery of the portion 4 is inserted through a plurality of turns, and the string member 10 One end 8 and the other end 9 and the remaining ring-shaped intermediate portions 11 are overlapped , and the overlapped portion is fastened by a fastening member 12 to provide a mounting method for a tightening elastic member of a tire cover. .
The present invention includes a front cover 2 that mainly surrounds the front side of the tire, and a ring-shaped back side cover 3 that has an opening 4 that surrounds the back side of the tire and has a diameter that varies widely. In the case where the tightening elastic member 5 is mounted on the inner peripheral portion, the tightening elastic member 5 has substantially the same length as the inner periphery of the opening 4 and has both ends of one end 8 and the other end 9. In addition, the tire cover is formed in a plurality of layers between the one end 8 and the other end 9, and the one end 8 and the other end 9 are bound to each other, and each tightening elastic member 5 is formed in an independent ring shape. This is a tightening elastic member.
The present invention, on the periphery of the front cover 2 which mainly surrounds the front side of the tire, to connect the periphery of the back cover 3 of the ring-shaped having an opening 4 that varies mainly surround the backside diameter wide or narrow tire, then The single string member 10 is previously diffracted into a plurality of layers to form a tightening elastic member 5 having a multi-layer shape and substantially the same length as the inner periphery of the opening 4. One end 8 and the other end 9 are respectively locked by a locking member 14, and then one end 8 or the other end 9 of the tightening elastic member 5 is inserted into the insertion tube portion 6 of the opening 4 from the insertion opening 7. Next, a method for mounting a tightening elastic member for a tire cover in which the one end 8 and the other end 9 are bound is inserted.
According to the present invention, the one end 8 and the other end 9 of the tightening elastic member 5 are each locked to the main body of the tightening elastic member 5 by the locking member 14 after protruding from the binding portion 15. This is a method of mounting the cover fastening elastic member.
[0006]
【Example】
An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a tire cover that surrounds an outer periphery of a tire (not shown), and surrounds a front side cover 2 that surrounds a front side surface and a tread portion of the tire, and a rear side side surface of the tire. The back cover 3 is formed.
[0007]
The back cover 3 is formed in a ring shape having an opening 4 having a diameter that varies widely so as to cover the tire , and an insertion for inserting a tightening elastic member 5 such as a rubber cord into the inner periphery of the opening 4 A cylindrical portion 6 is formed over the entire circumference, and an insertion opening 7 is formed in the insertion cylindrical portion 6 at one place. Therefore, the opening 4 opens greatly when mounted on the tire, and becomes smaller than the diameter of the tire after mounting.
[0008]
Thus, the tightening elastic member 5 is formed by a single string member 10 having one end 8 and the other end 9. The configuration of the string member 10 is arbitrary and may be expanded and contracted in the length direction. In the embodiment, a long rubber string and a thread formed of resin or cloth are knitted into a flat plate shape.
[0009]
The string member 10 has one end 8 or the other end 9 inserted through the insertion opening 7 so as to have a plurality of turns (a plurality of turns) into the insertion tube portion 6. Not only the one end 8 and the other end 9 of the string member 10 in the part, but also the one end 8 and the other ring-shaped intermediate parts 11 that overlap with the other end 9 are polymerized, and the overlapped part is Conclude. 13 is a fastening part.
[0010]
Accordingly, the tightening elastic member 5 in the insertion tube portion 6 is in a state in which a plurality of string members 10 are inserted, and each string member 10 is formed in an independent ring shape, and any one of them is cut off. The other string member 10 is fastened by the fastening portion 13.
[0011]
4 and subsequent figures show the second embodiment, in which the single string member 10 is folded back into a plurality of layers (FIG. 4), and the entire length thereof is substantially the same as the inner circumference of the opening 4 in the small diameter state. In this state, the string members 10 at the one end 8 and the other end 9 are locked by the locking members 14 (FIGS. 5 and 6). Accordingly, the tightening elastic member 5 having a plurality of layers of the string members 10 is obtained.
[0012]
Next, one of the one end 8 and the other end 9 of the tightening elastic member 5 in this state is inserted into the insertion tube portion 6 from the insertion opening portion 7, and the end portion 8 and the other end are inserted into the insertion opening portion 7. Tie end 9 together. 15 is a binding part.
[0013]
Next, the one end 8 and the other end 9 of the tightening elastic member 5 are locked to the main body of the tightening elastic member 5 by the locking member 14 after protruding from the binding portion 15.
The locking member 14, the arrangement is optional, Tucker, stapler, or H clip and rather good those skilled in the art in which calls, the elastic member 5 clamping a thick are difficult to sew, locking When it is locked by the member 14, the operation is facilitated. In addition, the H clip is preferable in terms of workability and fixability.
[0014]
Next, the operation of the embodiment will be described.
The tire cover 1 includes a front side cover 2 that surrounds a front side surface and a tread portion of the tire, and a back side cover 3. The back side cover 3 is formed in a ring shape having an opening 4 into which the tire is inserted. Since the tightening elastic member 5 is inserted into the insertion tube portion 6 on the inner periphery of the inner cover, the opening 4 of the back cover 3 is widened and covered with the tire from here, so that the opening 4 is tightened by the tightening elastic member 5. Installation is complete.
[0015]
Thus, the tightening elastic member 5 inserts the single string member 10 into the insertion tube portion 6 so as to have a plurality of circumferences (plurality) from the insertion opening portion 7. Since all of the string members 10 in the portion are fastened by the fastening member 12 at one place, the string members 10 in the insertion tube portion 6 are each composed of a plurality of independent members, even if the string member 10 is initially single-shaped. It will be in the inserted state. Therefore, the tightening elastic member 5 in the insertion cylinder portion 6 has the other string member 10 fastened by the fastening member 12 even if any part of the string member 10 is cut, and the opening 4 is not opened, Prevents falling off of the tire.
[0016]
Thus, in the second embodiment shown in FIG. 4 and subsequent figures, the tightening elastic member 5 has a single string member 10 pre-diffracted twice so that its overall length is substantially the same as the inner circumference of the opening 4 in the small diameter state. A three-layer (book) shape (FIG. 4), and the string members 10 at one end 8 and the other end 9 in this state are locked by a locking member 14 (FIGS. 5 and 6) to form a plurality of strings. Since the member 10 is brought into a single state and is inserted into the insertion tube portion 6 from the insertion opening 7, the insertion operation may be performed once and the operation is facilitated.
[0017]
Then, the one-state tightening elastic member 5 formed by the plurality of layers of the string members 10 inserted into the insertion tube portion 6 binds the one end 8 and the other end 9 at the portion of the insertion opening 7. The string member 10 in the insertion cylinder part 6 is in a state in which a plurality of independent members are inserted, and even if any part of the string member 10 in the insertion cylinder part 6 is cut, other string members 10 are bound. It is bound by the portion 15, and the opening 4 does not open and prevents it from falling off the tire.
[0018]
Moreover, since the one end 8 and the other end 9 are respectively locked to the main body of the tightening elastic member 5 by the locking member 14, the binding portion 15 is prevented from being loosened.
Further, in the second embodiment, one string member 10 is previously formed in a three-layer (two) shape of two diffractions (FIG. 3), and the string members 10 at one end 8 and the other end 9 in this state are locked members. 14 is inserted after being locked by 14, so that the tension state of the string member 10 which is each layer is substantially the same, and it is possible to prevent stress due to tension from being concentrated on some of the string members 10, and the tightening elastic member 5 Improve durability.
[0019]
【effect】
The present invention includes a front cover 2 that mainly surrounds the front side of the tire, and a ring-shaped back side cover 3 that has an opening 4 that surrounds the back side of the tire and has a diameter that varies widely. In the case where the tightening elastic member 5 is mounted on the inner peripheral portion, the tightening elastic member 5 has a plurality of ring-shaped intermediate portions 11 between one end 8 and the other end 9 of the cord member 10 having a predetermined length. The portions overlapped with each other are fastened by the fastening member 12, and the string member 10 of each intermediate portion 11 is an elastic member for tightening the tire cover formed into an independent ring shape. Therefore, even if the string member 10 is of a single shape at the beginning, the string member 10 in the insertion tube portion 6 is in a state where a plurality of independent strings are inserted, and even if any part of the string member 10 is cut, The string member 10 is a fastening member 12 More it is engaged, thereby preventing an opening 4 to open.
The present invention, on the periphery of the front cover 2 that surrounds mainly the front side of the tire, to connect the periphery of the back cover 3 of the ring-shaped having an opening 4 that varies mainly surround the backside diameter wide or narrow tire, the opening One of the one end 8 and the other end 9 of the string member 10 having one end 8 and the other end 9 from the insertion opening 7 through the insertion tube portion 6 on the inner periphery of the portion 4 is inserted through a plurality of turns, and the string member 10 One end 8 and the other end 9 and the remaining ring-shaped intermediate portions 11 are overlapped , and the overlapped portion is fastened by a fastening member 12 to provide a mounting method for a tightening elastic member of a tire cover. Therefore, even if the string member 10 is of a single shape at the beginning, the string member 10 in the insertion tube portion 6 is in a state where a plurality of independent strings are inserted, and even if any part of the string member 10 is cut, The string member 10 is fastened by the fastening member 12 The opening 4 is open can be prevented.
The present invention includes a front cover 2 that mainly surrounds the front side of the tire, and a ring-shaped back side cover 3 that has an opening 4 that surrounds the back side of the tire and has a diameter that varies widely. In the case where the tightening elastic member 5 is mounted on the inner peripheral portion, the tightening elastic member 5 has substantially the same length as the inner periphery of the opening 4 and has both ends of one end 8 and the other end 9. In addition, the tire cover is formed in a plurality of layers between the one end 8 and the other end 9, and the one end 8 and the other end 9 are bound to each other, and each tightening elastic member 5 is formed in an independent ring shape. Since the plurality of string members 10 are inserted in a single state, the insertion work can be performed once and the work can be easily performed. Even if any part of 10 is cut, the other string member 10 is bound by the binding portion 15 It is to the effect that acts directly. In addition, since one string member 10 is diffracted into a single state in advance, the tension state of the string members 10 constituting each layer is substantially the same, and stress due to tension is concentrated on some of the string members 10. And the durability of the tightening elastic member 5 can be improved.
The present invention, on the periphery of the front cover 2 which mainly surrounds the front side of the tire, to connect the periphery of the back cover 3 of the ring-shaped having an opening 4 that varies mainly surround the backside diameter wide or narrow tire, then The single string member 10 is previously diffracted into a plurality of layers to form a tightening elastic member 5 having a multi-layer shape and substantially the same length as the inner periphery of the opening 4. One end 8 and the other end 9 are respectively locked by a locking member 14, and then one end 8 or the other end 9 of the tightening elastic member 5 is inserted into the insertion tube portion 6 of the opening 4 from the insertion opening 7. Since it is a method for mounting a tightening elastic member of a tire cover in which the one end 8 and the other end 9 are tied together, the plurality of string members 10 are in a single state, Since this is inserted into the insertion tube portion 6 from the insertion opening 7, the insertion operation may be performed once. Work to facilitate.
According to the present invention, the one end 8 and the other end 9 of the tightening elastic member 5 are each locked to the main body of the tightening elastic member 5 by the locking member 14 after protruding from the binding portion 15. Since the cover is provided with the tightening elastic member, the binding portion 15 can be prevented from loosening.
[Brief description of the drawings]
FIG. 1 is a perspective view of a tire cover viewed from the back side.
FIG. 2 is a perspective view showing a fastening method of a fastening elastic member.
FIG. 3 is a perspective view of a string member in a folded state.
FIG. 4 is a perspective view of a state in which an end portion of a string member is locked.
FIG. 5 is a side view of the same.
FIG. 6 is a perspective view of a binding portion of the tightening elastic member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Tire cover, 2 ... Front side cover, 3 ... Back side cover, 4 ... Opening part, 5 ... Fastening elastic member, 6 ... Insertion cylinder part, 7 ... Insertion opening part, 8 ... One end, 9 ... Other end, 10 ... A string member, 11 ... an intermediate part, 12 ... a fastening member, 13 ... a fastening part, 14 ... a locking member, 15 ... a binding part.

Claims

A front cover 2 that mainly surrounds the front side of the tire and a ring-shaped back cover 3 that has an opening 4 that surrounds the back side of the tire and has a diameter that varies widely. In the case where the tightening elastic member 5 is mounted, the tightening elastic member 5 is configured such that intermediate portions 11 between one end 8 and the other end 9 of the string member 10 having a predetermined length are stacked in a plurality of ring shapes. In addition, the overlapped portions are fastened by the fastening member 12, and the string member 10 of each intermediate portion 11 is an elastic member for tightening the tire cover formed into an independent ring shape.

The periphery of the front cover 2 which mainly surrounds the front side of the tire, to connect the periphery of the back cover 3 of the ring-shaped having an opening 4 that varies mainly surround the backside diameter wide or narrow tires, of the opening 4 One of the one end 8 and the other end 9 of the string member 10 having one end 8 and the other end 9 from the insertion opening 7 to the circumferential insertion tube portion 6 is inserted into a plurality of turns, and the one end 8 of the string member 10 and the other A mounting method for a tightening elastic member for a tire cover, wherein the end 9 and a plurality of remaining ring-shaped intermediate portions 11 are overlapped , and the overlapped portions are fastened by a fastening member 12.

A front cover 2 that mainly surrounds the front side of the tire, and a ring-shaped back cover 3 that has an opening 4 that surrounds the back side of the tire and has a diameter that changes widely, is formed on the inner periphery of the opening 4. Is provided with a fastening elastic member 5. The fastening elastic member 5 has substantially the same length as the inner periphery of the opening 4, has both ends of one end 8 and the other end 9, and one end 8. And the other end 9 are formed in a multi-layer shape, and the one end 8 and the other end 9 are bound to each other, and each tightening elastic member 5 is formed in an independent ring shape. Element.

The periphery of the front cover 2 surrounding the front side of the tire is connected to the periphery of the ring-shaped back cover 3 having an opening 4 that surrounds the back side of the tire and varies in diameter. The string member 10 is preliminarily diffracted into a plurality of layers to form a tightening elastic member 5 having the same length as the inner periphery of the opening 4, and one end 8 of the single tightening elastic member 5 and the other. The ends 9 are respectively locked by the locking members 14, and then one end 8 or the other end 9 of the tightening elastic member 5 is inserted into the insertion tube portion 6 of the opening 4 from the insertion opening 7. And a mounting method of the elastic member for tightening the tire cover in which the one end 8 and the other end 9 are bound.

5. The fastening elastic member 5 according to claim 4, wherein one end 8 and the other end 9 of the tightening elastic member 5 are locked to the main body of the tightening elastic member 5 by a locking member 14 after the binding portion 15 is protruded. A method of mounting the elastic member for tightening the tire cover.