JPH0474920U

JPH0474920U -

Info

Publication number: JPH0474920U
Application number: JP11847790U
Authority: JP
Priority date: 1990-11-08
Filing date: 1990-11-08
Publication date: 1992-06-30
Anticipated expiration: 2005-11-08
Also published as: JP2525926Y2

Description

[Brief explanation of the drawing]

図面中、第１図乃至第５図は本考案に係る乗用
型芝刈機におけるモーア伝動構造の実施例を示し
、第１図はモーア及びその伝動構造を示す平面図
、第２図はモーア及びその伝動構造を示す一部破
断側面図、第３図はベルトテンシヨン用のスプリ
ング及びそのロツク手段を示す正面図、第４図は
モーアの左右の傾きを調整する機構を示す側面図
、第５図は乗用型芝刈機を示す全体側面図であり
、第６図は比較例としてのモーア及びその伝動構
造を示す平面図である。１……車体、３……モーア、４……原動軸、７
……原動プーリ、８……クラツチ、９……デツキ
、１０……支軸、１１……伝動ベルト、１２……
入力プーリ、１３……筒ボス、１４……刈刃ブレ
ード、１５……駆動ベルト、１６……駆動プーリ
、１７，１８……テンシヨンアーム。 In the drawings, FIGS. 1 to 5 show an embodiment of the mower transmission structure in a riding lawn mower according to the present invention, FIG. 1 is a plan view showing the mower and its transmission structure, and FIG. 2 is a plan view showing the mower and its transmission structure. FIG. 3 is a front view showing the belt tension spring and its locking means; FIG. 4 is a side view showing the mechanism for adjusting the left and right tilt of the mower; FIG. 5 is a partially cutaway side view showing the transmission structure. 6 is an overall side view showing a riding lawn mower, and FIG. 6 is a plan view showing a mower and its transmission structure as a comparative example. 1... Vehicle body, 3... Mower, 4... Driving shaft, 7
...Drive pulley, 8...Clutch, 9...Deck, 10...Spindle, 11...Transmission belt, 12...
Input pulley, 13...tube boss, 14...mower blade, 15...drive belt, 16...drive pulley, 17, 18...tension arm.

Claims

[Claims for Utility Model Registration] 1. A vertical shaft type driving pulley 7 provided on the vehicle body 1, and a vertical shaft type input pulley 12 provided on the deck 9 of the mower 3 disposed on the lower abdomen of the vehicle body 1. In a mower transmission structure for a riding lawn mower in which a transmission belt 11 is stretched across the mower, a clutch 8 for connecting and disconnecting power to the mower 3 is interposed between the driving pulley 7 and the driving shaft 4 supporting the same. ,
A mower transmission in a riding type lawn mower, characterized in that a tension arm 18 for the transmission belt 11 is swingably attached to a support shaft 10 for supporting the input pulley 12 erected on the deck 9. structure. 2. The input pulley 12 is provided on the upper part of the cylindrical boss 13 rotatably fitted onto the support shaft 10,
A drive pulley 16 is provided at the lower part of the cylinder boss 13 for belt driving a plurality of cutting blades 14 installed in the deck 9, and an input pulley 16 is provided at the upper part of the support shaft 10 that projects upward from the cylinder boss 13. The tension arm 18 for the transmission belt 11 is pivotally supported, and a tension arm 17 for the transmission belt 15 for driving the blade is pivotally supported on a portion of the support shaft 10 exposed below the cylinder boss 13. A mower transmission structure in a riding lawn mower according to claim 1.