JPH0190689U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の第１実施例のテンシヨナを装
備した自転車後部フレームの側面図、第２図は第
１図の２−２線断面図、第３図は本考案の第２実
施例のテンシヨナを装備した自転車後部フレーム
の側面図、第４図は第３図の４−４線断面図、第
５図は第３図の５−５線断面図、第６図は従来の
テンシヨナを装備した自転車後部の側面図である
。 １０…テンシヨナアーム、１２…後輪軸、１４
…テンシヨナアームブツシユ、１６…テンシヨナ
アームワツシヤ、２０ａ，２０ｂ…アイドラロー
ラ、２４…ベルト引き金具、２８…歯付ベルト、
３０…後輪側プーリ、３２…支持ブラケツト、３
４′…軸。 Fig. 1 is a side view of a bicycle rear frame equipped with a tensioner according to the first embodiment of the present invention, Fig. 2 is a sectional view taken along the line 2-2 in Fig. 1, and Fig. 3 is a side view of the bicycle rear frame equipped with a tensioner according to the first embodiment of the present invention. A side view of the bicycle rear frame equipped with a tensioner, Figure 4 is a sectional view taken along line 4-4 in Figure 3, Figure 5 is a sectional view taken along line 5-5 in Figure 3, and Figure 6 is equipped with a conventional tensioner. FIG. 3 is a side view of the rear of the bicycle. 10...Tensioner arm, 12...Rear wheel axle, 14
...Tensioner arm bushier, 16...Tensioner arm washer, 20a, 20b...Idler roller, 24...Belt trigger, 28...Toothed belt,
30... Rear wheel side pulley, 32... Support bracket, 3
4'...Axis.

Claims (1)

【実用新案登録請求の範囲】 テンシヨナアームに取付けられた２つのアイド
ラローラが後輪側プーリ近傍の歯付きベルトの張
り側及び弛み側のベルト背面にそれぞれ接するよ
うにしたベルト駆動自転車のテンシヨナにおいて
、 前記テンシヨナアームは、後輪軸を中心として
、または、後輪軸を通す穴を有して車体に固定さ
れる支持ブラケツトに設けられた軸を中心として
、回動自在に取付けられていることを特徴とする
、 ベルト駆動自転車のテンシヨナ取付構造。[Scope of Claim for Utility Model Registration] In a tensioner for a belt-driven bicycle in which two idler rollers attached to a tensioner arm are in contact with the back of the belt on the tension side and slack side of a toothed belt near the pulley on the rear wheel side, respectively. The tensioner arm is rotatably mounted around the rear wheel axle or around an axis provided on a support bracket fixed to the vehicle body and having a hole through which the rear wheel axle passes. Features a tensioner mounting structure for belt-driven bicycles.