JPS6268065U - - Google Patents

Description

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

図面は本考案に係るベルト伝動装置の実施例を
示し、第１図イ，ロは伝動ベルトに対するテンシ
ヨンプーリの姿勢変更を示す側面図、第２図はそ
の平面図、第３図はテンシヨンプーリの支持構造
を示す斜視図、第４図はモーアの平面図、第５図
は芝刈機の側面図である。第６図イ，ロは伝動ベ
ルトに対するテンシヨンプーリの姿勢変更の従来
例を示す側面図である。 １２，１８……プーリ、１６……伝動ベルト、
１９……テンシヨンプーリ、Ｂ……仮想線、Ｐ，
Ｑ……プーリ回転軸芯、Ｙ……軸芯。 The drawings show an embodiment of the belt transmission device according to the present invention, in which Figures 1A and 2B are side views showing changes in the posture of the tension pulley with respect to the transmission belt, Figure 2 is its plan view, and Figure 3 is the tension pulley. FIG. 4 is a perspective view showing a pulley support structure, FIG. 4 is a plan view of the mower, and FIG. 5 is a side view of the lawn mower. 6A and 6B are side views showing a conventional example of changing the posture of a tension pulley with respect to a transmission belt. 12, 18...Pulley, 16...Transmission belt,
19...Tension pulley, B...Virtual line, P,
Q...Pulley rotation axis, Y...axis.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸芯方向での相対位置が変更される一対の
プーリ１２，１８間に亘つて伝動ベルト１６を巻
回すると共に、その伝動ベルト１６における一対
のプーリ巻回部の間に位置するベルト部分に作用
するテンシヨンプーリ１９を設けたベルト伝動装
置であつて、前記テンシヨンプーリ１９を、プー
リ回転軸芯方向視において一対のプーリ回転軸芯
Ｐ，Ｑを結ぶ仮想線Ｂに対して交差する方向の軸
芯Ｙ周りで揺動自在に枢支してあるベルト伝動装
置。 The transmission belt 16 is wound between a pair of pulleys 12 and 18 whose relative position in the direction of the rotation axis is changed, and the belt portion of the transmission belt 16 is located between the pair of pulley winding portions. The belt transmission device is provided with a tension pulley 19 that operates, and the tension pulley 19 is moved in a direction intersecting an imaginary line B connecting a pair of pulley rotation axes P and Q when viewed in the direction of the pulley rotation axis. A belt transmission device that is pivotably supported around an axis Y.