JPH0475263U

JPH0475263U -

Info

Publication number: JPH0475263U
Application number: JP11781390U
Authority: JP
Priority date: 1990-11-09
Filing date: 1990-11-09
Publication date: 1992-06-30
Anticipated expiration: 2005-11-09
Also published as: JP2574712Y2

Description

[Brief explanation of drawings]

第１図は本考案の実施例である要部の側面図、
第２図はコンバインの一部を示し、第３図は第１
図の一部を示し、第４図は第１図の一部の斜視図
、第５図は第４図の一部を示し、第６図は第１図
に示す板体の底面図、第７図は第３図の作動説明
図を示し、第８図は他の例を示し、第９図はその
一部の平面図、第１０図は第８図の一部の断面図
、第１１図は第８図の右側面図、第１２図はさら
に他の例を示し、第１３図および第１４図はそれ
ぞれさらに別の例を示す。１……伝導ベルト、２……テンシヨンプーリ、
３……引張りばね、４……テンシヨンアーム、５
……支点軸、６……支持アーム。 Figure 1 is a side view of the main parts of an embodiment of the present invention;
Figure 2 shows part of the combine harvester, Figure 3 shows the first part of the combine harvester.
4 is a perspective view of a portion of FIG. 1, FIG. 5 is a partial perspective view of FIG. 4, and FIG. 6 is a bottom view of the plate shown in FIG. 7 shows an explanatory view of the operation of FIG. 3, FIG. 8 shows another example, FIG. 9 is a plan view of a part of it, FIG. 10 is a sectional view of a part of FIG. 8, and FIG. The figure is a right side view of FIG. 8, FIG. 12 shows yet another example, and FIGS. 13 and 14 each show still another example. 1...Conduction belt, 2...Tension pulley,
3...Tension spring, 4...Tension arm, 5
...Fully shaft, 6...Support arm.

Claims

[Scope of utility model registration request]

In a belt tensioning device configured by having a tension pulley 2 in contact with a transmission belt 1 pivoted at its tip and a tension arm 4 connected to a tension spring 3 pivoted on a fixed fulcrum shaft 5, the tension arm One end side of a support arm 6 extending in the direction opposite to 4 is rotatably pivoted to the fulcrum shaft 5, and the other end side of the support arm 6 is freely locked and released in the rotational direction. A tension structure characterized in that the other end of the tension spring 3 is connected to the other end of the support arm 6.