JPS6428802U

JPS6428802U -

Info

Publication number: JPS6428802U
Application number: JP12437187U
Authority: JP
Priority date: 1987-08-13
Filing date: 1987-08-13
Publication date: 1989-02-21

Description

[Brief explanation of drawings]

第１〜４図は本考案の一実施例を示すものであ
つて、第１図はロータリ耕耘部の一部を省略した
正面図、第２図は第１図のＡ矢視図、第３図ａは
延長爪軸の断面図、ｂは同上左側面図、第４図は
延長爪軸を連結した状態の断面図、第５図は従来
例の断面図、第６図は締着ボルト装着装置の一部
を破断した断面図、第７図は延長爪軸を装着した
同上断面図、第８図は円盤の正面図である。１・・センターケース、２・・駆動軸、５・・
爪軸、７，１６・・受筒、８，８ａ・・締着ボル
ト、１０・・延長爪軸、１１・・突出部。 Figures 1 to 4 show one embodiment of the present invention, in which Figure 1 is a front view with a part of the rotary tiller section omitted, Figure 2 is a view in the direction of arrow A in Figure 1, and Figure 3 Figure a is a sectional view of the extension claw shaft, b is the left side view of the same as above, Figure 4 is a sectional view of the extension claw shaft connected, Figure 5 is a sectional view of the conventional example, and Figure 6 is the tightening bolt installed. FIG. 7 is a cross-sectional view of the device with a part thereof cut away, FIG. 7 is a cross-sectional view of the same with the extension claw shaft attached, and FIG. 8 is a front view of the disk. 1. Center case, 2. Drive shaft, 5.
Claw shaft, 7, 16... Receiver, 8, 8a... Tightening bolt, 10... Extension claw shaft, 11... Projection.

Claims

[Scope of utility model registration request]

A center drive type in which a cylindrical claw shaft 5 is screwed onto a drive shaft 2 protruding from the center case 1 to both sides with a tightening bolt in the axial direction, and an extension claw shaft 10 is connected to the outer end of the claw shaft. In the rotary tiller, the inner circumferential surface of the outer end of the claw shaft 5 is formed into a polygonal shape, and a polygonal protrusion 11 is provided at the inner end of the extension claw shaft 10. A pawl shaft mounting device for a center drive type rotary tiller, characterized in that a pawl shaft 5 and an extension pawl shaft 10 are fitted together on the inner circumferential surface of an outer end portion and are fastened together with a tightening bolt.