TW464468B

TW464468B - Mower

Info

Publication number: TW464468B
Application number: TW90103166A
Authority: TW
Inventors: Akihiro Matsumoto; Motoharu Yasuzaki; Eiji Yamazaki; Tetsuhiko Nakatsuka
Original assignee: Ishikawajima Shibaura Mach
Priority date: 2000-06-26
Filing date: 2001-02-13
Publication date: 2001-11-21
Also published as: JP2002000035A

Abstract

The object of this invention is to improve operability of a walking type mower for carrying out a mowing operation on a ridge, a farm road, etc. In this mower 1 in which a handlebar base part 32 a main body of a machine body consisting of an engine 11, a reaping part 2 and traveling wheels 17R/17L is equipped with a handlebar 30 rotatably in the right and left and vertical directions, the main body of the machine body itself is rotated around the handlebar lever 31 by the drive of the traveling wheels 17R/17L. The handlebar base part 32 is arranged ahead reaping blade driving shafts 12R/12L of the reaping part 2. A gage wheel 25 supporting the main body of the machine body is composed of a caster wheel. Power transmission mechanisms to the traveling wheels 17R/17L are installed at both sides of the machine body. The fitting part of the handlebar 30 is equipped with a stopper mechanism, the rotation of the handlebar 30 is restricted, reaping blades 13L/13L/13R/13R ahead the reaping part 2 are made not to face an operator side.

Description

464468 A/ ________B7 五、發明說明（1 ) 〔發明之領域〕本發明係關於在田埂或農用道路進行割草作業之手扶型割草機，特別是關於其把手構成。〔習知技術之說明〕以往即有各種在田埂或田間道路進行割草作業之手扶型割草機之提案。例如在習知手扶型割草機，如特開平 1 0 - 1 5 0 8 2 4號公報或特開平1 〇 — 2 1 0 8 3 8 號公報所揭露，乃在行駛輪上方配設發動機及把手，且將爲操作機體朝向所設之把手構成呈僅能進行左右方向及上下方向之轉動調整，而於直進行駛時配合身長或把手，在作業前予以調整把手之左右角度及上下角度。唯，習知技術在作業工程終端欲使割草機轉向時，則需操作者握住把手本身轉向促使割草機亦轉向而予以操作朝向於進行方向。尤其在進行田埂坡面等傾斜部份之割草作業時，操作者不得不在傾斜面變換把手角度以進行換向操作，致難於穩定狀態進行割草作業，而導致作業效率下降。 I:發明之槪要〕本發明之第一構成係在由發動機與割草部及左右行駛車輪所構成機體本體形成把亍根部，且於該把手根部裝設可作左右及上下方向轉動之把手之割草機，將上述行駿車 (請先閱讀背面之注意事項再填寫本頁) 裝 ----訂---------線經濟部智慧財產局員工消費合作社印製本紙張又度適用中國國家標準<CNS)A4規格（210 x 297公釐） -4- 經濟部智慧財彦局員工消費合作杜印製 464468 A7 ______B7______ 五、發明說明（2 ) 輪予以互相反向驅動，而能促使機體本體自身略轉動於把手根部周圍。本發明之第二構成係將構成上述把手裝設部之把手根部配設於上述割草部之割刀驅動軸前方。本發明之第三構成係將構成上述機體本體之穩定輪之前輪由小腳輪予以形成之。本發明之第四構成係將上述左右行駛車輪分別配設於機體兩側邊。而本發明之第五構成係在上述把手裝設部配設制動機構以控制把手之轉動，俾使割草部前方之割刀不致朝向操作者= 〔發明之說明〕其次參照所添附圖示說明本發明之實施例。首先就割草機1整體構造加予說明。如第1圖，第2圖，第3圖所示，割草機1係由車輪 1 7 L , 1 7 R及導輪2 5之三輪支承機體本體所構成，且在該機體本體後部配設變速箱體1 0 ,而於該變速箱體 1 0上載置發動機1 1。該發動機1 1則自其後方之燃料筘1 9 了'以供Μ，該變速箱體1 0乃伸出於機體左右兩側將該發動機1 1之動力傳達至該Φ:輪1 7 L， 1 7 R等。如第4圖所示，上述變速箱體1 〇左右中途部係向下突出有割刀驅動軸1 2 L , 1 2 R，並於其上下固定由葉刀或盤刀所成之割刀1 3 L， 1 3 L , 1 3 R > 1 3 R , ----I------------I--訂·--------綠 (請先閱讀背面之注意事項再填寫本頁) 本纸張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -5- 4 6 44 6 8 經濟部智慧財彦局員工消費合作社印製 B7 五、發明說明（3 ) 且於該割刀1 3 L， 1 3 L， 1 3 R， 1 3 R上方及側方覆蓋割刀罩1 4而構成割草部2。又如第3圖，第5圖所示，將上述割刀罩1 4兩側面前部向後下方予以開槽形成傾斜部1 4 a， 1 4 a ,且在464468 A / ________B7 V. Description of the invention (1) [Field of invention] The present invention relates to a walk-behind lawn mower for mowing on a field or agricultural road, and particularly to its handle structure. [Explanation of Conventional Technology] In the past, various proposals have been made for walk-behind lawn mowers for mowing on field or field roads. For example, it is disclosed in the conventional walk-behind lawn mowers, such as JP-A No. 10-15 0 8 2 4 or JP-A No. 10-2 1 0 8 38, which is equipped with an engine above the running wheel. And handle, and the handle structure for operating the machine body is designed to only be able to perform rotation adjustment in the left and right direction and the up and down direction, and when the vehicle is traveling straight, it is necessary to adjust the left and right angle and the up and down angle of the handle before operation. However, when the conventional technology wants to turn the lawnmower at the operation engineering terminal, the operator needs to hold the handle to turn to cause the lawnmower to turn and operate. Especially when cutting grass on slopes such as field slopes, the operator has to change the angle of the handle on the inclined surface to perform the reversing operation, which makes it difficult to perform the cutting operation in a stable state, which results in a decrease in work efficiency. I: Essentials of the invention] The first configuration of the present invention is to form a handle root at the body of the body composed of an engine, a mowing part, and left and right running wheels, and a handle that can be turned left and right and up and down is installed at the handle root. The lawn mower will be printed by the above-mentioned line (please read the precautions on the back before filling out this page). The paper is again applicable to the Chinese National Standard < CNS) A4 specification (210 x 297 mm) Driven, and can cause the body itself to rotate slightly around the root of the handle. A second configuration of the present invention is that a root of a handle constituting the handle mounting portion is disposed in front of a cutter driving shaft of the mowing portion. The third configuration of the present invention is formed by casters for forming the front wheels of the stabilizer wheels of the body. A fourth configuration of the present invention is that the left and right running wheels are arranged on both sides of the machine body, respectively. The fifth configuration of the present invention is provided with a braking mechanism in the handle installation part to control the rotation of the handle so that the cutting blade in front of the mowing part does not face the operator = [Explanation of the invention] Next, the description will be given with reference to the attached drawings Embodiments of the invention. First, the overall structure of the lawn mower 1 will be described. As shown in Fig. 1, Fig. 2, and Fig. 3, the lawn mower 1 is composed of wheels 1 7 L, 1 7 R and guide wheels 25, which are three-wheel-supporting main body, and is arranged at the rear of the main body. The transmission case 10 is on which the engine 11 is placed. The engine 11 is supplied with fuel from the rear of the engine 11 for M. The gearbox body 10 is extended to the left and right sides of the body to transmit the power of the engine 1 1 to the Φ: wheel 1 7 L, 1 7 R and so on. As shown in FIG. 4, the cutting gear driving shafts 12 L, 1 2 R protrude downward from the left and right half of the transmission case 10, and a cutting blade 1 made of a leaf blade or a disk blade is fixed on the upper and lower sides thereof. 3 L, 1 3 L, 1 3 R > 1 3 R, ---- I ------------ I--Order · -------- Green (please first Read the notes on the reverse side and fill in this page) This paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) -5- 4 6 44 6 8 Printed by the Consumer Finance Cooperative of Wisdom Finance and Economics Bureau of the Ministry of Economic Affairs 5. Description of the invention (3) The cutting blade cover 1 4 is formed above and to the side of the cutting blade 1 3 L, 1 3 L, 1 3 R, 1 3 R to form the cutting portion 2. As shown in FIG. 3 and FIG. 5, the two sides of the above-mentioned cutter cover 14 are grooved forward and downward to form inclined portions 1 4 a, 1 4 a, and

該傾斜部1 4 a , 1 4 a分別垂設橡膠等彈性體1 4 1 L ，1 4 1 R ,並在該割刀罩1 4前端及後端分別垂設擋泥板 142L，142R, 143。如是在雜草繁盛田埂進行除草時等，藉擋泥板 1 4 2 L , 1 4 2 R可防止泥土等侵入割草部2內，且對自側方或底部欲侵入割草部2內之石粒或木片由於上述彈性體1 4 1 L， 1 4 1 R之變形，而可防止割刀罩1 4本體之破損。又如第2圖，第3圖所示，於上述變速箱體1 0外側固設行駛箱1 6 L， 1 6 R頂部，並使該行駛箱1 6 L， 1 6 R突出於後下方。更如第2圖，第9圖，第1 0圖所示，在上述行駛箱 1 6 L，1 6 R底部左右分別橫架車軸1 7 1 L， 171R，並予以構成介由鏈條163L, 163R等可Elastic bodies 1 4 1 L and 1 4 1 R are erected on the inclined portions 1 4 a and 1 4 a respectively, and fenders 142L, 142R, 143 are erected on the front and rear ends of the cutter cover 14 respectively. . When weeding in a weedy field, for example, using fenders 1 2 2 L and 1 4 2 R can prevent soil and the like from entering the mowing part 2 and from the side or bottom of the mowing part 2 The stone particles or wood chips can be prevented from being damaged due to the deformation of the elastic bodies 1 4 1 L and 1 4 1 R. As shown in FIG. 2 and FIG. 3, the tops of the travel cases 16 L and 16 R are fixed on the outside of the transmission case 10, and the travel cases 16 L and 16 R protrude below the rear. As shown in Fig. 2, Fig. 9, and Fig. 10, at the bottom of the above-mentioned traveling boxes 16 L, 16 R, the left and right lateral axles are respectively 1 7 1 L, 171R, and are constituted by chains 163L, 163R. Wait

向該中:軸1 7 1 L , 1 7 1 R傳達動力，且將車軸1 7 L ,1 7 R分別固設於該車軸1 7 1 L , 1 7 1 R。如是設成上述發動機1 1之輸出軸1 1被插入於變速箱體1 0內，在該變速箱體1 〇內經過變速以驅動割刀 1 3 L , 1 3 R及申.軸1 7 L , 1 7 R之構成，並在變速箱體1 0內裝作爲轉向手段之後述轉換離合器1 1 2 L , 本紙張又度適用中國國家標準（CNS)A4規格（210 X 297公釐） -6- ------I----- * I ------訂---------綠 (請先閱讀背面之注意事項再填寫本頁) 464468 @濟部智慧財產局員工消費合作衽印制农 B7 五、發明說明（4) 1 1 2 R , 1 2 2 L , 1 2 2 R，促成藉操作轉動操作桿 4L, 4R變換動力而可左右轉向。又如第2圖，第3圖所示，自上述變速箱體1 0左右中央前部向前予以延伸臂體2 1，且在該臂體2 1前端設置略圓筒形狀之導輪支承管2 6，將導輪支承管2 6以± 下方向嵌插於該導輪支承架2 2內，再將導輪轉動# 2 7 嵌插於導輪支承管2 6內》而於該導輪轉動軸2 7底端垂設導輪框架2 8 ,以該導輪框架2 8底端轉動自如地樞承呈穩定輪之導輪2 5。如此導輪2 5係以導輪支承管2 6爲中心可向前後左右轉動而被構成爲所謂小腳輪。又在上述導輪支承管2 6側面沿上下方向配列有銷孔 2 6a, 2 6 a…，且於該銷孔2 6 a， 2 6 a…之一，自左右方向嵌入分度銷2 9 ,將導輪2 6調節於適當高度予以固定於導輪支承架2 2。如此，在作業時導輪2 5可前後左右轉動，促使割草機1容易移動。復在上述割刀驅勖軸1 2 L， 1 2 R前方位置，自上述臂體2 1前後中央突設把手根部3 2，並在該把手根部 3 2以上K轉動自如且左右轉動自如地裝設把手桿3 1，而於該把手桿3 1後部配設操作部3予以安裝各種操作桿 η 接著就割阜機1之操作部3加予說明。如笫2圖，第3圖，第6圖所示，上述操作部3係由本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐> _7_ (請先閱讀背面之注意事項再填寫本頁) - - 1 I - I-- --------結To this: the axles 17 1 L, 1 7 1 R transmit power, and the axles 17 L, 17 R are fixed to the axles 17 1 L, 17 1 R, respectively. If the output shaft 11 of the above-mentioned engine 11 is set in the transmission case 10, the transmission case 10 is shifted to drive the cutters 1 3 L, 1 3 R, and the shaft 1 7 L. The structure of 1 7 R, and the conversion clutch 1 1 2 L will be described after the gearbox 10 is installed as the steering means. This paper is again applicable to the Chinese National Standard (CNS) A4 (210 X 297 mm) -6 ------- I ----- * I ------ Order --------- Green (Please read the notes on the back before filling this page) 464468 @ 济部智慧Consumption cooperation between employees of the property bureau and printed farmer B7 V. Description of the invention (4) 1 1 2 R, 1 2 2 L, 1 2 2 R, which facilitates turning left and right by turning the operating levers 4L, 4R to change power. As shown in FIG. 2 and FIG. 3, the arm body 21 is extended forward from the center front part of the above-mentioned gearbox body 10, and a slightly cylindrical guide wheel support tube is provided at the front end of the arm body 2 1 2 6. Insert the guide wheel support tube 26 into the guide wheel support frame 2 2 in the ± downward direction, and then insert the guide wheel rotation # 2 7 into the guide wheel support tube 2 6 "and the guide wheel A guide wheel frame 2 8 is perpendicularly arranged at the bottom end of the rotating shaft 27, and the guide wheel 25 which is a stable wheel is pivotally rotatably pivoted at the bottom end of the guide wheel frame 2 8. In this way, the guide wheels 25 are configured as so-called casters, which can be rotated forward, backward, and left and right with the guide tube support tube 26 as the center. In addition, pin holes 2 6a, 2 6 a ... are arranged in the up-down direction on the side of the guide wheel support tube 26, and one of the pin holes 2 6a, 2 6 a ... is inserted into the index pin 2 9 from the left and right directions. Adjust the guide wheel 26 to an appropriate height and fix it to the guide wheel support frame 22. In this way, the guide wheels 25 can be rotated back and forth, left and right during operation, and the lawnmower 1 can be easily moved. At the front position of the cutting blade driving shaft 1 2 L, 1 2 R, a handle root 32 is protruded from the center of the arm body 2 1 forward and backward, and the handle root 32 is more than K and can be rotated freely and left and right. A handle lever 31 is provided, and an operation unit 3 is provided at the rear of the handle lever 31 to install various operation levers η. Next, the operation unit 3 of the cutting machine 1 will be described. As shown in Fig. 2, Fig. 3, and Fig. 6, the above-mentioned operation unit 3 is based on the paper size and applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm). _7_ (Please read the precautions on the back before (Fill in this page)--1 I-I-- --------

經濟部智慧財產局員工消費合作社印S 4 6 44 6 8 a7 __B7__ 五、發明說明（5 ) 把手3 0，轉動操作桿4 L，4 R，把手轉動桿5 ,把手上下桿6，加速桿7等所構成。上述把手3 0乃是將管體予以彎曲呈平面視「〇」字之環狀體，將該把手3 0橫設於把手桿3 1後端部，且在該把手3 0直下方配設與該把手3 0略同形狀之將管體彎成「0 j字形狀之加速桿7。又在該加速桿7之前側管體左右中央突設基座7 a，而將該基座7 a可上下轉動地裝設於把手桿3 1後端部。復在上述把手3 0之前側管體左右位置分別設置左右轉動操作桿4 L，4 R，並在該前側管體裝設位置之把手桿3 1後端突設制動開關9 ,尙在該把手桿3 1後端左右位置分別裝設把手轉動手柄5及把手上下手柄6。藉如此構成，當操縱者與把手3 0 —齊握住加速桿7 時即拉引連結於基座7 a前端之未圖示加速鋼索，致發動機1 1轉數昇高。又，握住加速桿欲操作其他操作手柄時，例如以右手握住加速桿7欲操作把手上下手柄6或轉動操作桿4 R等右側操作桿時，在習知加速桿構造乃需以左手交差被覆於石手捤住該石側操作桿致難予操作，但藉如此將加速桿7 設成環狀，該加速桿7則呈位於以撫摸把手30之右手亦能自其狀態容易握住之位置，故不必注視手邊亦能將握住加速桿7之右手由左手予以替換，就是右手亦易於操作右側之操作等，而圖作業性之提昇。繼之說明把手3 0之左右及上下轉動構成。本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -8- --I---------^--------訂--------*結 (請先闉讀背面之注意事項再填寫本頁) A7 4 6 44 6 8 _____B7_ 五、發明說明（6) 先就把手3 0之左右轉動機構加予說明。 (請先閱讀背面之注意事項再填寫本頁) 如第7圖所示，自上述臂體2 1前後中央立設呈把手桿3 1之左右轉動支軸之支承管3 3，將樞承體3 4轉動自如地外嵌於該支承管3 3。此時該支承管3 3及樞承體 3 4係穿插於上述把手根部3 2左右中央之開口部3 2 a ，其上下中間部被把手根部3 2所把持。如第8圖所示，上述把手根部3 2之平板面3 2 b之支承管3 3前側乃以該支承管3 3軸心爲中心圓弧狀配列有多數凹陷孔3 2 c， 3 2 c…，其左右最後凹陷孔 32c， 32c之更後方立設有制動片32d, 32d。該制動片3 2 d可接受後述轉動制動件5 4底端之抵觸而將把手桿3 1規範於不致轉動左右略9 0度以上。又如第7圖所示，將上述把手桿3 1前端插扣於把手桿套39內，且在上述樞承體34頂部與該把手桿套39 左右兩側面間穿插上下轉動支軸3 5 ,構成該把手桿3 1 以該h下轉動支軸3 5爲中心可上下轉動自如。經濟部智慧財產局員工消費合作社印製復在上述樞承體3 4前面沿上下方向固設圓筒5 3，並在該圓筒5 3內插設上下滑動自如之轉動制止銷5 4，該轉動制止銷5 4之下端部5 4 a被形成爲凸狀，且呈藉該轉動制止銷5 4之下端部5 4 a嵌插於上述把手根部 3 2之門陷孔3 2 a， 3 2 a…之一，而可予以固定左右位置之構成。又，在上述轉動制止銷5 4頂部外嵌彈簧5 6將轉動制|丨:.銷5 4之下端部5 4 a可嵌卡於上述把手根部3 2之 -9 - 本紙張又度適用中國國家標準（CNS)A4規格（210x 297公釐）經濟部智慧財彦局員工消費合作祍印製 4 6 44 6 8 A7 _________B7 五、發明說明（7 ) 凹陷孔3 2 c內地予以向下激勵推押。並將該轉動制止銷 5 4頂端與左右轉動鋼絲5 1互相連結，且介桿體等在該左右轉動鋼絲5 1另ιώ連結於把手桿3 1後側所設第2圖所示之把手轉動桿5。藉如此構成，將把手轉動桿5予以向後轉動時，左右轉動鋼絲5 1被拉向後方之結果，轉動制止銷5 4即滑向上方移位《致該轉動制止銷5 4與把手根部3 2之凹陷孔 3 2 c之卡扣脫離，俾使把手3 0呈左右自由轉動。欲如上述，轉動制止銷5 4之下端部5 4 a被規範抵觸於把手根部3 2之制動片3 2 d，而無法左右轉動略 9 0度以上，因此割草部2前方所露出割刀1 3 L , 1 3 L , 1 3 R , 13R不會朝向操縱者，而可因安全性之提昇。接著說明把手3 0之上下轉動撵構。上述樞承體3 4頂部後側係以上述上下轉動支軸3 5 爲中心被形成呈圓弧狀，且在此面以所定間隔上下方向穿設凹陷孔3 4 a , 3 4 a…。另在上述把手桿套3 9內對向該凹陷孔3 4 a， 3 4 a…埋設圓筒6 3，並在該圓筒 6 3內插設前後滑動自如之上下制止銷。該上下制止銷 6 4之前端部6 4 a被形成爲凸狀，而藉該上下制止銷 6 4嵌插於該樞承體3 4之凹陷孔3 4 a， 3 4 a…之一，可固定其上下位置= 又在上述上下側制止銷6 4後側外嵌以彈簧6 6 ,將上下制止銷6 4之前端部6 4 a可卡合於上述樞承體3 4 ---— — — — — —--- I I I I---^ * ----I-- (請先閱讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS〉A4規格（210 x 297公釐） -10- 464468 A7 ____B7____ 五、發明說明（8 ) 之凹陷孔6 2內地予以激勵推向前方u且將上述上下制止銷6 4後端連結以上下轉動鋼索6 1，及介桿體等於該上下轉動鋼索6 1另端連結把手桿3 1後側所設第2圖所示之把手上下桿6。藉如此構成，將該把手上下桿6向後予以轉動時，上下轉動鋼索6 1被拉向後方致上下制止銷6 4後向滑動移位，促使該上下制止銷6 4脫離與樞承體3 4之凹陷孔 6 2 a，而形成把手3 0可上下自由轉動以調節把手3 0 之高度。其次就割草機1之前進後退及左右轉動時之動力傳達構造加予說明之。如第9圖所示，在上述變速箱體1 〇頂面左側將平板狀板體以形成爲略三角形狀撥叉1 0 2 L , 1 〇 2 R呈互相對向予以配置，且將該撥叉1 0 2 L , 1 〇 2 R重心位置由自變速箱體10內突出之轉動支軸10 3 L， 1 0 3 R予以軸樞。又將撥叉1 0 2 L後側左端與轉動鋼索4 1 L 一端介拉簧4 2 L予以連結，在該轉動鋼索4 1 L另端連動連結於上述轉動操作桿4 L。同樣藉拉簧4 2 R將撥叉 Ί 0 2 R前端與轉動鋼索4 1 R —端予以連結，並將該轉動鋼索4 1 R另端連動連結於上述轉動操作桿4 R。且，將上述轉動支軸1 0 3 L， 1 0 3 R分別由未圖示之扭簧了’以挾持，通常將轉動操作桿4 L，4 R予以轉動於直進方向位置地激勵推押。本纸張尺度適用中國國家標準（CNS)A4規格（2〗0 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) I --------訂---------綠經濟部智慧財產局員X消費合作社印製 -11 - A7 46 44 6 8 B7____ 五、發明說明（9 )Printed by the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs S 4 6 44 6 8 a7 __B7__ V. Description of the invention (5) Handle 30, turn the operation lever 4 L, 4 R, handle turn lever 5, handle up and down lever 6, acceleration lever 7 And so on. The handle 30 is a ring body in which the pipe body is bent into a shape of “0” in a plane view. The handle 30 is horizontally arranged at the rear end of the handle bar 31, and is arranged directly below the handle 30. The handle 30 has a slightly similar shape to bend the pipe body into a "0 j-shaped acceleration rod 7. The base 7a is protruded from the left and right center of the side tube body before the acceleration rod 7, and the base 7a can be Rotate up and down on the rear end of the handlebar 31. Set the left and right side operation levers 4L, 4R on the left and right positions of the side pipe body before the handle 30, and set the handlebars on the front pipe body installation position. A brake switch 9 is protruded at the rear end of the 31, and a handle rotation handle 5 and a handle up and down handle 6 are respectively installed at the left and right positions of the handle lever 31. With this structure, when the operator and the handle 30 are held together to accelerate When the lever 7 is pulled, an unillustrated acceleration cable connected to the front end of the base 7 a increases the number of revolutions of the engine 11. Furthermore, when holding the acceleration lever to operate other operating handles, for example, holding the acceleration lever 7 with the right hand When you want to operate the right and left joysticks such as the handle up and down handles 6 or turn the operation lever 4 R, in the conventional acceleration lever structure, you need to use the Hand-to-hand coverage is covered by the stone hand and it is difficult to operate by holding the stone-side operation lever. However, by setting the acceleration lever 7 in a ring shape, the acceleration lever 7 is located on the right hand of the handle 30 and can be easily held from its state. Position, so you can replace the right hand holding the acceleration lever 7 with your left hand without having to look at your hand, that is, the right hand is also easy to operate the right-hand operation, etc., and the workability is improved. Composition: This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) -8- --I --------- ^ -------- Order ---- ---- * Conclusion (Please read the precautions on the back before filling in this page) A7 4 6 44 6 8 _____B7_ V. Description of the invention (6) First explain the turning mechanism of the handle around 30. (Please first Read the precautions on the back and fill in this page.) As shown in Figure 7, a support tube 3 3 with a handle bar 3 1 is turned from the center of the arm 2 1 to the front and back, and the pivot body 3 4 is rotated. It is freely embedded in the support tube 3 3. At this time, the support tube 3 3 and the pivot support body 3 4 are inserted through the openings 3 2 a at the left and right centers of the handle root 32. The upper and lower middle portions are held by the handle root portion 32. As shown in FIG. 8, the support tube 3 3 on the flat surface 3 2 b of the handle root portion 32 above is a circular arc centered on the axis of the support tube 3 3. There are a large number of recessed holes 3 2 c, 3 2 c ..., and the left and right last recessed holes 32c, 32c are provided with brake pads 32d, 32d. The brake pads 3 2 d can accept the rotating brake member 5 4 described later. The end of the handle lever 31 is regulated so that it does not turn slightly to the left or right by more than 90 degrees. As shown in FIG. 7, the front end of the handle lever 31 is inserted into the handle lever cover 39 and is in the pivot body. The top and bottom of the handle bar sleeve 39 are interposed between the left and right sides and the upper and lower rotating support shafts 3 5 are formed, and the handle lever 3 1 can rotate freely up and down with the h rotating support shaft 3 5 as the center. The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed and fixed a cylinder 5 3 in the up-down direction in front of the pivot body 3 4, and inserted in the cylinder 5 3 a rotation stop pin 5 4 that can slide freely. The lower end portion 5 4 a of the rotation stop pin 5 4 is formed in a convex shape, and the lower end portion 5 4 a of the rotation stop pin 5 4 is inserted into the door recess 3 2 a, 3 2 of the root portion 32 of the handle. a ... can be fixed to the left and right positions. In addition, a spring 5 6 is embedded at the top of the rotation stop pin 5 4 to make the rotation | 丨:. The lower end 5 4 a of the pin 5 4 can be snapped into the handle root 3 2-9-This paper is also suitable for China National Standard (CNS) A4 Specification (210x 297 mm) Printed by the Consumer Finance Cooperation Bureau of the Ministry of Economy, Smart Finance and Economics 4 6 44 6 8 A7 _________ B7 V. Description of the invention (7) Depression holes 3 2 c The mainland shall push down to encourage Bet. The tops of the rotation stop pins 5 4 and the left and right rotating wires 5 1 are connected to each other, and the rod body and the like are connected to the left and right rotating wires 5 1 to the handle lever 3 1 and the handle shown in the second figure is provided to rotate. Rod 5. With this structure, when the handle turning lever 5 is turned backward, the left and right turning wire 5 1 is pulled backward, and the rotation stopping pin 5 4 is slid upward to shift the movement, causing the rotation stopping pin 5 4 and the handle root 3 2 The buckle of the recessed hole 3 2 c is disengaged, so that the handle 30 is free to rotate left and right. As described above, the lower end portion 5 4 a of the rotation stop pin 5 4 is regulated to abut against the brake pads 3 2 d of the root portion 32 of the handle, and cannot be rotated slightly more than 90 degrees left and right, so the cutting blade exposed in front of the mowing portion 2 1 3 L, 1 3 L, 1 3 R, 13R will not face the operator, but can be improved due to safety. Next, the handle 30 is rotated up and down. The top and rear sides of the pivot body 3 4 are formed in an arc shape with the vertical rotation support shaft 3 5 as a center, and recessed holes 3 4 a, 3 4 a, ... are formed on this surface at a predetermined interval in the vertical direction. In addition, the recessed holes 3 4 a, 3 4 a, etc. are faced in the handle lever sleeve 39, and the cylinder 6 3 is buried, and the cylinder 6 3 is inserted with a stop pin that can slide back and forth freely. The front end portion 6 4 a of the upper and lower stopper pin 6 4 is formed into a convex shape, and the upper and lower stopper pin 6 4 is inserted into one of the recessed holes 3 4 a, 3 4 a, ... of the pivot body 3 4. Fixing its upper and lower positions = The spring 6 6 is fitted on the rear side of the upper and lower stop pins 6 4, and the front end 6 4 a of the upper and lower stop pins 6 4 can be engaged with the pivot body 3 4 ------ — — — —--- III I --- ^ * ---- I-- (Please read the precautions on the back before filling this page) This paper size applies to Chinese national standard (CNS> A4 specification (210 x 297 Mm) -10- 464468 A7 ____B7____ 5. The recessed hole 6 of the description of the invention (8) is stimulated inwardly to push forward u and the upper and lower stop pins 6 4 are connected to the upper and lower rotating steel cables 6 1 and the rod body. It is equal to the up and down rotation of the wire rope 6 1 and the other end is connected to the handle up and down lever 6 shown in the second figure provided on the rear side. With this structure, when the handle up and down lever 6 is rotated backward, the up and down wire 6 1 is Pulling the upper and lower stop pins 6 4 backwards and slidingly shifts them backward, so that the upper and lower stop pins 6 4 are disengaged from the recessed holes 6 2 a of the pivot body 3 4 to form the handle 3 0 can be freely rotated up and down to adjust the height of the handle 30. Next, the power transmission structure when the lawnmower 1 is moved forward and backward and left and right is explained. As shown in Fig. 9, the top of the transmission case 10 On the left side, the flat plate body is formed into a slightly triangular shaped fork 10 2 L and 1 〇 2 R are arranged to face each other, and the position of the center of gravity of the forks 10 2 L and 1 〇 2 R is automatically shifted. The pivot shaft 10 3 L, 1 0 3 R protruding from the box 10 is pivoted. The left end of the rear side of the fork 1 0 2 L is connected to the end of the rotating steel wire 4 1 L through a tension spring 4 2 L. The other end of the rotating wire 4 1 L is linked to the above-mentioned rotating operation lever 4 L. Similarly, the front end of the fork Ί 0 2 R is connected to the rotating wire 4 1 R by the tension spring 4 2 R, and the rotating wire 4 1 is connected. The other end of R is linked to the above-mentioned rotating operation lever 4 R. In addition, the above-mentioned rotating support shafts 1 0 3 L and 1 0 3 R are respectively held by torsion springs (not shown), and the operating lever 4 L is usually rotated, 4 R is pushed and pushed in the direction of straight direction to encourage push and push. This paper size is applicable to China National Standard (CNS) A4 specification (2) 0 X 297 male (%) (Please read the notes on the back before filling out this page) I -------- Order --------- Printed by the Intellectual Property Bureau of the Ministry of Green Economy X Consumer Cooperatives -11-A7 46 44 6 8 B7____ V. Description of the invention (9)

乂在撥叉1 〇 2 L右端及撥叉1 0 2 R左端分別形成平坦面1 0 2 a， 1 〇 2 a，因此當將兩轉動操作桿4 L (請先閱讀背面之注意事項再填寫本頁) > 4 R同時輕握時，兩撥叉1 〇 2 L， 1 〇 2 R即介轉動鋼索4 1 L，4 1 R —同轉至前方，其結果抵觸於該平坦面1 0 2 a， 1 〇 2 a —度被制止其轉動。此時操縱者以握住該轉動操作桿4 L , 4 R之感觸體會擒縱感，此操作位置乃爲轉動操作桿4 L , 4 R之中立位置。且將兩轉動操作桿4 L , 4 R施力深握時，兩撥叉 1 〇 2 L , 1 〇 2 R被強制性轉向前方，與平坦面 l〇2a, 1 0 2 a脫離互相之卡合，而此時之操作位置則呈轉動操作桿4 L，4 R後退方向之位置。致於上述轉動操作桿4 L , 4 R之各操作位置，包括其操作機構容後再加予述之。又，上述轉動鋼索4 1 L，4 1 R分別連動連結於上述左右轉動鋼索5 1 (圖示省略），被構成爲當轉動操作上述轉動操作桿4 L，4 R —方或雙方時，將該左右轉動鋼索5 1予以連動拉引，致使把手桿3 1呈左右轉動自如，且當該轉動操作桿4 L， 4 R回至原來位置時該把手桿經濱部智慧財彦局員工消費合作社印製 3 1再度被固定位置。 K次在變速箱體1 0內t如第1 0圖、第1 1圖所示於上述轉劻支軸1 0 3 L , 1 〇 3 R分別環設換擋撥叉 104L, 104R,並將該換擋撥叉104L( 1 〇 4 R )與上述撥叉1 〇 2 L ( 1 〇 2 R )以及轉動支軸103L (103R) —體構成之。於是當轉動變速箱本紙張尺度適用中國國家標準（CNSM4規格（210X 297公釐） -12- ®灌部智慧財產局員工消費合作社印製 4 6 A 4 6 8 Λ7 五、發明說明（ίο) 體10上方之撥叉102L (102R)時’受之連動換擋撥叉104L (104R)亦轉動。上述換擋撥叉1 〇 4 L , 1 0 4 R前後側分別向下突設有叉部104a, l〇4b，該叉部l〇4a’ 1 0 4 b直下方分別前後呈平行配設有輸入軸1 1 0 M及中間軸1 2 0。上述輸入軸1 1 0M與中間軸1 2〇被構成爲略等長，並被配置上述變速箱體1 〇內左側，且自上述輸入軸 1 1 0 Μ左右兩端向變速箱體1 〇兩側面分別橫設在輸出軸1 1 0 L及比該左輸出軸1 1 0匕較長之右輸出軸 1 1 0R。如此將輸入軸1 1 〇Μ與左輸出軸1 1 〇1及右輸出軸1 1 0 R配置同一軸心上，分別轉動自如地予以樞承。復在上述輸入軸1 1 〇Μ左右兩纟而環設滑環1 1 2L ，112R，將該滑環112L， 112R與該輸入軸 1 1 0 Μ互相花鍵嵌扪設成可滑移左側或右側，並將在輸出軸1 1 0L與輸入軸1 1 0Μ，或右輸出軸1 1 0R與輸人軸1 1 0 Μ連結呈可互相連動，而構成左右側傍離合器。即如第1 0圖，第1 1圖所示，上述滑環1 1 2 L , 1 1 2 R係爲具花鍵槽內周面之0筒，且在外周面形成嵌合槽部1 1 2 a促使上述換擋撥叉l〇4L (104R) 之叉部1 0 4 a嵌合於此。又在滑環1 1 2 L左端及滑環1 1 2 R右端分別凸設本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） --------I--I ^--------訂-----I--*結 (請先閱讀背面之注意事項再填寫本頁) -13- 8 6 Δ Α 6 a平坦 The flat ends 1 0 2 a and 1 〇 2 a are respectively formed on the right end of the fork 1 〇 2 L and the left end of the fork 1 0 2 R. Therefore, when turning the two levers 4 L (please read the precautions on the back before filling This page) > When 4 R is held lightly at the same time, the two forks 1 〇 2 L, 1 〇 2 R rotate the steel wire 4 1 L, 4 1 R — turn to the front, the result is against the flat surface 1 0 2 a, 1 〇2 a — the degree is prevented from rotating. At this time, the operator can feel the escapement by holding the touch levers of the rotary operation levers 4 L and 4 R. This operation position is the neutral position of the rotary operation levers 4 L and 4 R. When the two rotating operation levers 4 L and 4 R are deeply gripped, the two forks 10 2 L and 10 2 R are forcibly turned to the front, and the flat surfaces 10 2 a and 10 2 a are disengaged from each other. At this time, the operation position is the position in which the operation lever 4 L and 4 R are turned backward. The operation positions of the above-mentioned turning operation levers 4 L and 4 R, including their operating mechanism capacity, will be described later. In addition, the rotating steel cables 4 1 L and 4 1 R are respectively linked to the left and right rotating steel cables 5 1 (not shown), and are configured so that when one or both of the rotating operation levers 4 L and 4 R are rotated, The left and right rotating steel wire 51 is linked and pulled, causing the handle lever 31 to rotate freely from left to right, and when the rotating operation levers 4 L and 4 R return to their original positions, the handle lever passes through the Hamabe Wisdom Finance and Staff Bureau Consumer Cooperative. Printing 31 is fixed again. K times in the gearbox body 10, as shown in Fig. 10 and Fig. 11 are shown in the above-mentioned swivel support shafts 10 3 L and 10 3 R, and the shift forks 104L and 104R are respectively ringed, and The shift fork 104L (104 R) is integrally formed with the above-mentioned shift fork 1002 L (104 R) and the rotating support shaft 103L (103R). Therefore, when turning the gearbox, the paper size applies the Chinese national standard (CNSM4 specification (210X 297 mm) -12- ® Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Agriculture 4 6 A 4 6 8 Λ7 V. Description of the invention (ίο) When the upper fork 102L (102R) is above 10, the shifting fork 104L (104R) is also rotated. The above-mentioned shift forks 104A, 104R are provided with fork portions 104a protruding forward and backward respectively. 104b, the fork 104a '1 0 4 b are respectively arranged parallel to the front and rear of the input shaft 1 1 0 M and the intermediate shaft 1 2 0. The above input shaft 1 1 0M and the intermediate shaft 1 2〇 It is configured to be approximately the same length, and is arranged on the left side of the gearbox body 10, and from the left and right ends of the input shaft 110M to the gearbox body 10, the sides of the gearbox body 10 are horizontally arranged on the output shaft 1 10 L and The right output shaft 1 1 0R, which is longer than the left output shaft 1 10 0. Thus, the input shaft 1 1 〇M is arranged on the same axis with the left output shaft 1 1 〇1 and the right output shaft 1 1 0 R, respectively. It can be pivoted freely. Slip rings 1 1 2L and 112R are set around the input shaft 1 1 0M, and the slip rings 112L and 112R are connected to the input shaft 1. The 1 Μ mutual spline insert is set to be able to slide to the left or right, and will connect the output shaft 1 1 0L and the input shaft 1 1 0 Μ, or the right output shaft 1 1 0R and the input shaft 1 1 0 Μ. Interlocking with each other constitutes the left and right side clutches. That is, as shown in Fig. 10 and Fig. 11, the slip rings 1 1 2 L and 1 1 2 R are 0 cylinders with an inner peripheral surface of a spline groove, and Forming a fitting groove portion 1 1 a on the outer peripheral surface causes the fork portion 10 4a of the above-mentioned shift fork 104L (104R) to be fitted here. The left end of the slip ring 1 1 2 L and the slip ring 1 1 2 The right end of R is respectively convex. The paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) -------- I--I ^ -------- Order --- --I-* End (Please read the precautions on the back before filling this page) -13- 8 6 Δ Α 6 a

7 A B7 五、發明說明（11) 爪狀離合齒1 1 2 c， 1 1 2 c _.·，並在其內周面朝左右方向刻設未圖示之花鍵槽。 (請先閱讀背面之注意事項再填寫本頁) 另於上述輸入軸1 1。Μ左右兩端沿左右方向刻設花鍵，使該花鍵與上述滑環1 1 2 L ( 1 1 2 R } β化胃槽互相花鍵卡合，如此將該滑環1 1 2 L· ( 1 1 2 R )構成左右滑動β如。又在上述輸入軸1 1 0Μ之兩滑環1 1 2L’ 112R之間環設鏈輪113,及在該鏈輪113右側周設蝸輪1 1 8。復於上述左輸出軸1 1 0 L左端部環設驅動鍵輪 161L,及在該左輸出軸110L右端部環設爪齒 1 1 4 L ,並在該爪齒1 1 4 L右端對向上述 '滑環 1 1 2L之離合齒1 1 2 c, 1 1 2 c.·.予以凸設配置爪狀離合齒1 1 4 c.， 1 1 4 c…。另於上述右輸出軸1 1 0 R右端部環設驅動鍵輪 161R,及在該右輸出軸11〇R左端部環設爪齒 114R,且於該爪齒114R左端對向上述滑環 1 1 2R之離合齒1 1 2 c， 1 1.2 c…予以凸設配置爪餒^'·部智慧財產局員J消費合作社印製狀離合器1 1 2 c， 1 1 2 c…。而上述發動機11之輸出軸11被穿插於變速箱體 1 0內，且在該輸出軸1 1 1環設蝸桿1 1 9予以嚙合與上述蝸輪1 1 8 ,俾將發動機之輸出傳達至輸入軸 1 1 0 Μ。父在上述中間軸1 2 0左右兩端分別環設滑件 -14- 本紙張尺度適用中國國家標準（CNS)A4规格（210 X 297公爱） 464468 Α7 __ Β7 五、發明說明（12) 1 2 2 L , 122R。該滑件 122L, 122R 係呈圓 (請先閱讀背面之注意事項再填寫本頁> 筒狀且在外周面形成有嵌扣槽部1 2 2 a ,並將上述換擋撥叉1 0 4 L ( 1〇4 R )之叉部1 0 4 a予以卡合於該嵌扣槽部1 2 2 a內。又在滑件1 2 2 L左端及在滑件 1 2 2 R左端分別凸設爪狀離合器1 2 2 c， 1 2 2 c… ，復於其內周面沿左右方向刻設未圖示之花鍵槽。另於上述中間軸1 2 0左右兩端分別鬆弛地嵌裝爪齒 124L， 124R。且在該爪齒+124L右端對向上述滑件1 2 2 L之離合齒1 2 2 c， 1 2 2 c…予以配置爪7 A B7 V. Description of the invention (11) The claw-shaped clutch teeth 1 1 2 c, 1 1 2 c _. ·, And a spline groove (not shown) is engraved on the inner peripheral surface facing left and right. (Please read the precautions on the back before filling out this page.) Also input the axis 1 1 above. Splines are engraved in the left and right sides along the left and right sides, so that the spline and the above slip ring 1 1 2 L (1 1 2 R} β-shaped gastric groove are spline-engaged with each other, so that the slip ring 1 1 2 L · (1 1 2 R) constitutes a left and right sliding β such as. A sprocket 113 is ringed between the two slip rings 1 1 2L '112R of the input shaft 1 10M, and a worm wheel 1 1 8 is arranged on the right side of the sprocket 113. A driving key wheel 161L is set on the left end of the left output shaft 1 1 0 L, and a claw tooth 1 1 4 L is set on the right end of the left output shaft 110L, and the right end of the claw tooth 1 1 4 L is opposite The clutch teeth 1 1 2 c, 1 1 2 c of the above 'slip ring 1 1 2 c .. are protruded and arranged with claw-shaped clutch teeth 1 1 4 c., 1 1 4 c .... Also above the right output shaft 1 1 A drive key wheel 161R is ringed at the right end portion, and a claw tooth 114R is ringed at the left end portion of the right output shaft 110R, and the left end of the claw tooth 114R faces the clutch tooth 1 1 2R of the above slip ring 1 1 2 c , 1 1.2 c ... to be protruded and configured to dispose the pawl ^ '· Ministry of Intellectual Property Bureau J Consumer Cooperative Co., Ltd. printed clutch 1 1 2 c, 1 1 2 c ... The output shaft 11 of the engine 11 is inserted into the gearbox body 1 0, and the output shaft 1 1 1 ring worm 1 1 9 It is engaged with the above-mentioned worm gear 1 1 8, and the output of the engine is transmitted to the input shaft 1 10 Μ. The father surrounds the slider -14 on the left and right ends of the above-mentioned intermediate shaft -14- This paper size applies to Chinese national standards ( CNS) A4 specification (210 X 297 public love) 464468 Α7 __ B7 V. Description of the invention (12) 1 2 2 L, 122R. The sliders 122L, 122R are round (please read the precautions on the back before filling this page) > A barrel-shaped buckle groove portion 1 2 a is formed on the outer peripheral surface, and the fork portion 10 4 a of the shift fork 10 4 L (104 R) is engaged with the buckle The groove portion 1 2 2 a. The claw clutches 1 2 2 c, 1 2 2 c, etc. are convexly protruded at the left end of the slider 1 2 2 L and the left end of the slider 1 2 2 R, respectively, A spline groove (not shown) is engraved in the left and right directions. In addition, claw teeth 124L and 124R are loosely fitted at the left and right ends of the intermediate shaft 120, respectively. The right end of the claw teeth + 124L faces the slider 1 2 2 L. Clutch teeth 1 2 2 c, 1 2 2 c ...

狀離合齒124c， 124c…，同樣在該爪齒124R 左端對向上述滑件1 2 2 R之離合齒1 2 2 c , 122c …予以配設爪狀離合齒1 2 4 c , 1 2 4 c…。The clutch teeth 124c, 124c ..., also on the left end of the claw teeth 124R are opposite the clutch teeth 1 2 2 c, 122c of the above-mentioned slider 1 2 2 R ... are provided with claw-shaped clutch teeth 1 2 4 c, 1 2 4 c ….

又在上述中間軸1 2 0左右兩端環設壓縮彈簧 1 2 5 L , 125R,藉該壓縮彈簧 125L, 1 2 5 R 將兩滑件1 2 2 L , 1 2 2 R激勵推向外側，使滑件 1 2 2L之離合齒122 c， 122 c…通常嚙合與爪齒 124L之離合齒124c, 124c···,及使滑件 1 2 2 R之離合齒1 2 2 c， 1 2 2 c.…經常嚙合與爪齒經濟部智慧財彦局員工消費合作杜印製 124R之離合齒124c, 124c…。Compression springs 1 2 5 L and 125R are set around the two ends of the above-mentioned intermediate shaft 1 2 0. The compression springs 125L and 1 2 5 R push the two sliders 1 2 2 L and 1 2 2 R to the outside. The clutch teeth 122 c, 122 c of the slider 1 2 2L are usually engaged with the clutch teeth 124 c, 124 c ... of the claw tooth 124L, and the clutch teeth 1 2 2 c, 1 2 2 of the slider 1 2 2 R c .... Constantly mesh with the consumption and cooperation of employees of the Smart Finance and Economics Bureau of the Ministry of Claws and Tooths 124c, 124c ...

復在上述中間軸1 2 0之兩滑件1 2 2 L , 1 2 2 R 問環設_輪1 2 3 ,俾使鏈條1 2 9捲繞於該鏈輪 1 2 3與上述輸入軸1 1 0M之鏈輪1 1 3，將兩軸 1 1 Ο Μ , 1 2 0構成爲同向轉動之同向傳動手段。另使上述左輸出軸1 1 0 L之爪齒1 1 4 L與上述中 -15- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 464468 B7 五、發明說明（13) 間軸1 2 0之爪齒1 24L嚙合，以構成兩軸1 1 0L, 1 2 0反向轉動之反向傳動丁:段，同樣，促使上述右輸出軸1 1 OR之爪齒1 1 4R與上述中間軸1 2 0之爪齒 1 2 4 R互相嚙合，可構成爲兩軸反向轉動之反向傳動手段。如此，使滑環 1 1 2 L , 1 2 2 L ( 1 1 2 R， 112R)及換擋撥叉104L (104R),亦即離合器位於同向傳動手段與反向傳動手段之間，且使換擋撥叉中央所設轉動支軸1 0 3 L ( 1 0 3 R )位於中間軸 1 2 0與輸入軸1 1 〇 Μ之間，俾使滑環1 1 2 L ( 1 1 2 R )與滑件1 2 2 L ( 1 2 2 R )可互相反向滑動地予以配設Μ小型化構成。父本實施例係被設成由輸入軸1 1 0 Μ介同向傳動手段促使中間軸1 2 0轉動，且於由該中間軸1 2 0介反向傳動手段向輸出軸1 1 0 L ( 1 1 〇 R )傳達轉動動力時，亦即輸出軸1 1 0L (1 1 OR)之轉向與輸入軸 110M呈反向時，車輪17L(17R)可轉動於前進方向之構成，以下說明即根據如此構成予以進行。The two sliding parts 1 2 2 and 1 2 0 on the above intermediate shaft 1 2 2 L, 1 2 2 R are set to _wheel 1 2 3, so that the chain 1 2 9 is wound around the sprocket 1 2 3 and the input shaft 1 The 10M sprocket wheel 1 1 3 is composed of two shafts 1 1 0 M and 1 2 0 as a co-directional transmission means. In addition, the claw teeth 1 1 4 L of the above left output shaft 1 1 4 L and the above middle -15- This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 464468 B7 V. Description of the invention (13 ) The claw teeth 1 24L of the intermediate shaft 1 2 0 are meshed to constitute the two shafts 1 1 0L, 1 2 0 and the reverse transmission Ding of the reverse rotation Ding, similarly, the above-mentioned right output shaft 1 1 OR claw teeth 1 1 The 4R and the claw teeth 1 2 4 R of the above-mentioned intermediate shaft 1 2 0 mesh with each other, and can be constituted as a reverse transmission means for the two shafts to rotate in opposite directions. In this way, the slip rings 1 1 2 L, 1 2 2 L (1 1 2 R, 112R) and the shift fork 104L (104R), that is, the clutch is located between the same-direction transmission means and the reverse-direction transmission means, and The rotating support shaft 1 0 3 L (1 0 3 R) set in the center of the shift fork is located between the intermediate shaft 1 2 0 and the input shaft 1 1 Μ, and the slip ring 1 1 2 L (1 1 2 R) The slider 1 2 2 L (1 2 2 R) can be arranged in a small size so as to slide in the opposite direction to each other. In this embodiment, the input shaft 1 10 M is used to drive the intermediate shaft 1 2 0 through the co-directional transmission means, and the intermediate shaft 1 2 0 is used to reverse the transmission means to the output shaft 1 1 0 L ( 1 1 〇R) When transmitting the turning power, that is, when the steering of the output shaft 1 1 0L (1 1 OR) is opposite to the input shaft 110M, the wheel 17L (17R) can be rotated in the forward direction. The following description is based on This structure is carried out.

又如第1 0圖所示，於上述變速箱體1 〇後側向下垂設托架1 7 2，並在η亥托架1 7 2吊設左右兩車軸1 7 L ,1 7 R之車輪承蚰1 7 0。且自該車軸承軸1 7 0左右外側端分別嵌插車軸1 7 L，1 7 R之車軸1 7 1 L， 1 7 1 R內端，又將該車軸1 7 1 L， 1 7 1 R外端部由As shown in FIG. 10, a bracket 1 72 is hung down from the rear side of the transmission case 10, and wheels of the left and right axles 17 L and 1 7 R are hung on the η bracket 1 72. Cheng Yi 1 7 0. The inner ends of the axles 1 7 1 L, 1 7 1 R are inserted from the left and right outer ends of the bearing shaft 170, respectively, and the inner ends of the axles 1 7 1 L, 1 7 1 R Outer end

分別裝設於機體本體兩側而之上述行駛箱1 6 L， 1 6 R 本纸張尺度適用辛國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) 裝--------訂---------^ 經濟部智慧財產局員工湞費合作社印制拆經濟部智慧財彦扃員工消費合作社印製 464468 A7 -___B7_________ 五、發明說明（14) 後底部予以樞承，將兩車輪1 7 L， 1 7 R轉動自如加予保持。The above travel cases are installed on both sides of the body, and the above-mentioned travel boxes are 16 L, 1 6 R. The paper size is applicable to the National Standard (CNS) A4 (210 X 297 mm). (Please read the precautions on the back first. (Fill in this page) -------- Order --------- ^ Printed by the Intellectual Property Office of the Ministry of Economic Affairs, and printed by the Consumers ’Cooperatives, printed by the Ministry of Economic Affairs, the Smart Consumers’ Cooperatives, and printed by the Consumer Cooperatives 464468 A7- ___B7_________ 5. Description of the invention (14) The rear bottom is pivoted, and the two wheels 17 L, 17 R can be rotated freely and kept.

又在兩車軸1 7 1 L， 1 7 1 R外端部分別環設被®J 鏈輪162L, 162R,將鏈條163L捲繞於上述左輸出軸1 1 0 L左端之驅動鏈輪1 6 1 L與該被動鏈輪 1 6 2 L，及將鏈條1 6 3 R捲繞於上述右輸出軸 1 1 OR右端之驅動鏈輪1 6 1 R.與該被動鏈輪1 6 2R 。且將該驅動鏈輪1 6 1 L， 1 6 1 R與該被動鏈輪 162L， 162R及該鏈條163L， 163R分別收納於各自之行駛箱1 6 L，1 6 R內。其次就上述構成之割草機1之轉動操作加予說明。酋先說明通常作業狀態之割草機1直進（前進）操作 ϋ 如第9圖、第1 0圖、第1 1圖所示，此時係僅驅動發動機11並未操作上述轉動操作桿4L， 4R,上述變速箱體10內之上述滑件122L， 122R被上述壓縮The outer ends of the two axles 1 7 1 L and 1 7 1 R are respectively surrounded by a ®J sprocket 162L, 162R, and a chain 163L is wound around the left output shaft 1 1 0 L at the left end of the driving sprocket 1 6 1 L and the passive sprocket 1 6 2 L, and the drive sprocket 1 6 1 R. The chain 1 6 3 R is wound around the right end of the right output shaft 1 1 OR, and the passive sprocket 1 6 2R. The driving sprocket wheels 16 1 L, 1 6 1 R and the passive sprocket wheels 162L, 162R and the chains 163L, 163R are respectively housed in respective traveling boxes 16 L, 16 R. Next, the turning operation of the lawnmower 1 having the above-mentioned configuration will be described. The first explanation is the straight forward (forward) operation of the lawn mower 1 in the normal working state. As shown in Fig. 9, Fig. 10, and Fig. 11, at this time, only the engine 11 is driven and the above-mentioned rotating operation lever 4L is not operated. 4R, the sliders 122L, 122R in the transmission case 10 are compressed by the above

彈簧1 2 5 L， 1 2 5 R激勵推向外側，且滑件1 2 2 L 之離合齒122c, 122c…與爪齒124L之離合齒 12 4c， 1 2 4 c…相嚙合，滑件1 2 2 R之離合齒 12 2c, 1 2 2 c…與爪齒1 2 4 R之離合齒1 2 4 c ，1 2 4 c…相嚼合。The springs 1 2 5 L, 1 2 5 R are excited to push outward, and the clutch teeth 122c, 122c of the slider 1 2 2 L mesh with the clutch teeth 12 4c, 1 2 4 c of the claw tooth 124L, the slider 1 The clutch teeth of 2 2 R 12 2c, 1 2 2 c ... and the clutch teeth of 1 2 4 R 1 2 4 c, 1 2 4 c ...

如是，發動機1 1之動力乃經由禍桿1 1 9—·蝴輪 1 1 8 —輸入軸1 1 〇M —鏈輪1 1 3—鏈條1 3 3—鏈輪1 2 3 —中間軸1 2 0 —滑件1 2 2 L —爪齒1 2 4L 本紙張又度適用中國國家標準（CNS)A4規格（210 X 297公釐） -17- -----I I ---—--訂·-----—--綠 (請先閱讀背面之注意事項再填寫本頁) 464468 A7 B7 五、發明說明（15)If so, the power of the engine 11 is via the lever 1 1 9-· butterfly wheel 1 1 8-input shaft 1 1 〇M-sprocket 1 1 3-chain 1 3 3-sprocket 1 2 3-intermediate shaft 1 2 0 —Slider 1 2 2 L —Claws 1 2 4L This paper is again applicable to China National Standard (CNS) A4 (210 X 297 mm) -17- ----- II ------ Order · -------- Green (Please read the notes on the back before filling out this page) 464468 A7 B7 V. Description of the invention (15)

—爪齒1 1 4 L —左輸出軸1 1 0 L —驅動鏈輪1 6 1 L —鏈條1 6 3 —被動鏈輪1 6 2L —車軸1 7 1 L被傳達 (請先閱讀背面之注意事項再填寫本頁) 至左車輪1 7 L。又〔丨發動機1 1之動力亦以略相同之流程經由蝸桿 1 1 9 —蝸輪1 1 8—輸入軸1 1 0M —鏈輪1 1 3 —鏈條丄3 3 ->鏈輪1 2 3 —中間軸1 2 0 —滑件1 2 2 R — 爪齒1 2 4Rj爪齒1 1 4R —右輸出軸1 1 OR —驅動鏈輪1 6 1 R —鏈條1 6 3R —被動鏈輪1 6 2R —車軸 1 7 1 R而被傳至右車輪1 7R。如此，自輸入軸110M至兩輸出軸11〇L, 1 1 0 R間係介存有同向傳動手段，中間軸1 2 〇，反向傳動手段，致兩車輪1 7 L， 1 7 R與該輸入軸1 1 〇 Μ 呈反向轉動，而割草機1可前進（直進）。接著說明割草機1之左向轉動操作= 經濟部智慧財彦局員工消費合作社印製如第9圖所示，藉握住左側轉動操作桿4 L可將上述轉動鋼索4 1 L，上述左右轉動鋼索5 1予以拉向後方，於此狀態機體呈左右轉動自如。且該轉動鋼索4 1 L介彈簧4 2 R拉引撥叉1 〇 2 L，該撥叉1 〇 2 L則轉動於第 9圖之牛向視反時針方向。連動之，第1 〇圖所示換擋撥叉1 0 4 L亦反時針力向轉動，結果如第1 2圖所示，滑環1 1 2 L介叉部1 〇 4 a滑向左側，另滑件1 2 2 L介义部1 0 4 b滑向右側。於是，上述滑件1 22L之離合齒1 2 2 C, 1 2 2 c…與屮間軸1 2 0之爪齒1 2 4 L之離合齒本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -18- 464468 經濟部智慧財彦局員了消費合作社印製 Α7 Β7 五、發明說明（w 12 4c， 1 2 4 c脫離嚙合，上述滑環1 1 2 L之離合齒1 1 2 c， 1 1 2 c…與左輸出軸1 1 0 L之爪齒 1 14L之離合齒1 14c, 1 14c…卻互相嚙合。其結果中間軸1 2 0之爪齒1 2 4 L呈空轉，滑環1 1 2 L· 與爪齒1 1 4 L 一體開始轉動，將輸入軸1 1 〇 μ之轉動動力直接傳達至左輸出軸1 1 〇 L。 ϋ如第1 0圖、第1 2圖所示，將發動機1 1之動力經由禍桿1 1 9—禍輪1 1 8 —輸入軸1 1 0Μ —滑環 1 1 2L-*爪齒1 1 4L —左輸出軸1 1 〇l —驅動鏈輪 1 6 1 L —鏈條1 6 3 L —被動鏈條]_ 6 2 L —車軸 1 7 1 L予以轉至左車輪1 7 L。另自上述發動機11向右車輪17R之動力則經由蝸桿1 1 9 —蝸輪1 1 8 —輸入軸1 1 —鏈輪1 1 3 —— Claw 1 1 4 L — Left output shaft 1 1 0 L — Drive sprocket 1 6 1 L — Chain 1 6 3 — Passive sprocket 1 6 2L — Axle 1 7 1 L is communicated (please read the note on the back first) Matters to fill out this page again) to the left wheel 1 7 L. [丨 The power of the engine 1 1 is also passed through the worm 1 1 9—the worm gear 1 1 8—the input shaft 1 1 0M—the sprocket 1 1 3—the chain 丄 3 3-> the sprocket 1 2 3— Intermediate shaft 1 2 0—slider 1 2 2 R—claw 1 2 4Rj claw 1 1 4R—right output shaft 1 1 OR—drive sprocket 1 6 1 R—chain 1 6 3R—passive sprocket 1 6 2R -The axle 1 7 1 R is passed to the right wheel 1 7R. In this way, from the input shaft 110M to the two output shafts 110L, 110R, there are co-directional transmission means, the intermediate shaft 1220, the reverse transmission means, resulting in two wheels 17L, 17R and The input shaft 1 100M rotates in the reverse direction, and the lawnmower 1 can advance (straight forward). Next, the leftward rotation operation of the lawnmower 1 will be described as printed in Figure 9 by the Consumers ’Cooperative of the Ministry of Economic Affairs, the Smart Finance and Economics Bureau. By holding the leftward rotation operation lever 4L, the above-mentioned rotating wire 4 1L, Rotate the steel cable 51 to pull it backwards. In this state, the body can rotate freely from side to side. And the rotating steel wire 4 1 L medium spring 4 2 R pulls the fork 10 2 L, and the fork 10 2 L rotates counterclockwise in the direction of the bull in FIG. 9. In conjunction with this, the shift fork 1 0 4 L shown in FIG. 10 also turned counterclockwise, and the result is shown in FIG. 12. The slip ring 1 1 2 L slides to the left, The other slider 1 2 2 L slides the right part 1 0 4 b to the right. Therefore, the clutch teeth of the above-mentioned sliding member 1 22L 1 2 C, 1 2 2 c ... and the clutch teeth of the shaft 1 1 2 0 1 2 4 L are the clutch teeth of this paper. The Chinese paper standard (CNS) A4 specification ( 210 X 297 mm) -18- 464468 Member of the Smart Finance and Economics Bureau of the Ministry of Economic Affairs printed A7 B7 printed by the consumer cooperative. V. Description of the invention (w 12 4c, 1 2 4 c disengaged, the above-mentioned slip ring 1 1 2 L clutch tooth 1 1 2 c, 1 1 2 c ... meshed with the claw teeth 1 14L of the left output shaft 1 14L, the clutch teeth 1 14c, 1 14c ... meshed with each other. As a result, the claw teeth 1 2 4 of the intermediate shaft 1 2 0 showed Idling, the slip ring 1 1 2 L · and the claw teeth 1 1 4 L start to rotate, and the rotational power of the input shaft 1 1 〇μ is directly transmitted to the left output shaft 1 1 〇L. As shown in the figure, the power of the engine 11 is passed through the lever 1 1 9—the wheel 1 1 8—the input shaft 1 1 0M—the slip ring 1 1 2L- * claw 1 1 4L—the left output shaft 1 1 〇l —Drive sprocket 1 6 1 L —Chain 1 6 3 L —Passive chain] _ 6 2 L —Axle 1 7 1 L to turn to the left wheel 17 L. In addition, the power from the engine 11 to the right wheel 17R via Worm 1 1 9 —worm gear 1 1 8 —input shaft 1 1 —Sprocket 1 1 3 —

鏈條1 3 3 —鏈輪1 2 3 —中間軸1 20 —滑件1 2 2R —爪齒1 2 4R —爪齒1 1 4R —右輸出軸1 1 0R —驅動鏈輪1 6 1R —鏈條1 6 3R —被動鏈輪1 6 2R —車軸1 7 1 R被傳至右車輪1 7 R。如此與輸入軸1 1 0 Μ同向轉動之中間軸1 2 0乃藉爪齒1 1 4 R， 1 2 4 R之嚙合而與右輸出軸1 1 〇 R呈反向驅動，致自輸人軸1 1 〇 Μ向右車輪1 7 R傳達前進方向之轉動冏時，由於左輸出軸1 1 0 L與輸入軸 1 ]_ 0 Μ呈冏向轉動，致在車輪1 7 L呈後退方向轉動，而割草機1即以兩車軸1 7 L， 1 7 R之左右中央爲轉動支點向左側旋轉，可簡單又迅速地進行轉向° — — — — — — —--f ----I--訂 *--------繞 {請先閱讀背面之注意事項再填寫本頁) 本紙張Γ度顧巾關家標準(CNS)A4規格（210 X 297公釐） -19- 經濟部智慧財產局員Η消費合作社印製 464468 A7 --------- B7 五、發明說明（Ί7) 繼之說明割草機1之右向轉動操作。Chain 1 3 3 —Sprocket 1 2 3 —Intermediate shaft 1 20 —Slider 1 2 2R —Jaw teeth 1 2 4R —Jaw teeth 1 1 4R —Right output shaft 1 1 0R —Drive sprocket 1 6 1R —Chain 1 6 3R — Passive sprocket 1 6 2R — Axle 1 7 1 R is passed to the right wheel 1 7 R. In this way, the intermediate shaft 1 2 0 that rotates in the same direction as the input shaft 1 10 M is driven in the opposite direction to the right output shaft 1 1 〇R by the meshing of the claw teeth 1 1 4 R, 1 2 4 R, causing self-losing. When the shaft 1 1 0M transmits the rotation in the forward direction to the right wheel 17 R, the left output shaft 1 1 0 L and the input shaft 1] _ 0 M rotate in the normal direction, which causes the wheel 1 7 L to rotate in the backward direction. , And the lawnmower 1 rotates to the left with the center of the two axles 17 L, 1 7 R as the pivot point, and can simply and quickly turn ° ° — — — — — — — --f ---- I --Order * -------- Wrap {Please read the precautions on the back before filling this page) This paper Γ Degree Gu Jin Family Standard (CNS) A4 specification (210 X 297 mm) -19- Printed by a member of the Intellectual Property Bureau of the Ministry of Economic Affairs, the Consumer Cooperative, 464468 A7 --------- B7 V. Description of the invention (Ί7) Followed by the description of the rightward turning operation of the lawn mower 1.

如笫9圖所示，藉握住右側轉動操作桿4 r乃能將上地轉動鋼索4 1 R，上述左右轉動鋼絲5 1拉向後方，於此狀態機體呈左右轉動g如又該轉動鋼索4 1 R介彈簧 4 2 R拉引撥叉1 〇 2 R，俾使該撥叉1 〇 2 R轉動於第 9圖之平面視時針方向。且連動之第1 〇圖所示換擋撥叉 1 0 4 R亦作時針方向之轉動，其結果如第1 3圖所示，滑環1 1 2 R介叉部1 〇 4 a滑向右側，另滑件1 2 2 R 介叉部1 0 4 b滑向左側。如此，上述滑件1 2 2R之離合齒1 2 2 c， 1 2 2 c…與中間軸1 2 0之爪齒1 2 4 R之離合齒 124c， 124c脫離嚙合，上述滑環112R之離合齒112c,112c…與右輸出軸li〇R之爪齒 114尺之離合齒114(；> 11 4c…卻互相嚙合。其As shown in Figure 笫 9, by holding the right-hand turning operation lever 4 r, the wire rope 4 1 R can be rotated on the ground. The left-right turning wire 5 1 is pulled to the rear. In this state, the body rotates left and right g. 4 1 R medium spring 4 2 R pulls the fork 1 〇 2 R, so that the fork 1 〇 2 R rotates in a clockwise direction in the plane of FIG. 9. And the shifting fork 1 0 4 R shown in FIG. 10 is also rotated in the clockwise direction, and the result is shown in FIG. 13. The slip ring 1 1 2 R slides to the right side 1 〇 4 a The other slider 1 2 2 R slides the fork 1 10 b to the left. In this way, the clutch teeth 1 2 2c, 1 2 2c, 1 2 2 c of the above-mentioned sliding member disengage from the clutch teeth 124 c, 124 c of the claw tooth 1 2 4 R of the intermediate shaft 1 2 0, and the clutch teeth of the above-mentioned slip ring 112R. 112c, 112c ... and the clutch teeth 114 (; > 11 4c ...) of the claw teeth 114 feet of the right output shaft liOR.

結果，中間軸1 2 0之爪齒1 2 4呈空轉，滑環1 1 2 R 與爪齒114R開始一體轉動，而將來自輸入軸110M 之轉動動力直接傳達給右輸出軸1 1 〇 R。於是如第1 0圖、第1 3圖所示，自發動機1 1之動力即經由蝸桿1 1 9 —蝸輪1 1 8—輸入軸1 1 0M —鏈輪1 1 3 - >鏈條1 3 3 —鏈輪1 2 3 —中間軸1 2 0 —滑件1 2 2 L —爪齒1 2 4 L —爪齒1 1 4 L —右輸出軸 1 lOL — 驅動鏈輪161L —鏈條163L —被動鏈輪 1 6 2L —卓軸1 7 1 L而被傳至左車輪。另自發動機1 1之動力亦經由蝸桿1 1 9 4蝸輪本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公蓳） -20- (請先閲讀背面之注意事項再填寫本頁) --------訂------ ! 綠 464468 A7 _____ _ B7 五、發明說明（18) 1 1 8 —輸入軸1 1 0M-滑環1 1 2R —爪齒1 1 4R ―右輸出軸1 1 OR —驅動鏈輪1 6 1R —鏈條1 6 3R —被動鏈輪1 6 2 R —車軸1 7 1 R再被傳至右車輪 1 7 R。如此與輸入軸1 1 0 Μ同向轉動之中間軸1 2 0由於爪齒1 1 4 , 1 2 4 L之嚙合致與左輸出軸1 1 〇 L呈反向轉動，自輸入軸1 1 0Μ向左車輪1 7 L傳達前進方向之轉動同時，且由於右輸出軸11〇R與輸入軸11〇Μ Μ同向轉動，致右車輪17R呈後退轉動，於是割草機1 即以兩車輪17L， 17L左右中央爲轉動支承向右旋轉換向，故可使割草機1簡單又迅速地轉向。其次，就轉動操作桿4 L , 4 R呈中立狀態時之割草機1動力切斷狀態加予說明= 如第9圖所示，藉輕握左右兩轉動操作桿4 L，4 R 係可將轉動鋼索41L, 41R拉向後方，且該轉動鋼索 4 1 L介彈簧4 2 L拉引撥义1 〇 2 L，而該撥叉 1 0 2 L即轉動於第9圖之平而視反時針方向，同時該胃動鋼索4 1 R亦介彈簧4 2 R拉引撥叉1 0 2 R，該撥叉 1 0 2 R則轉動於時針方向。於是兩撥叉1 0 2 L， ]0 2 R之牛坦面1 ◦ 2 a , 1 0 2 a互相卡合，一時被規範其轉動，致此時對手握轉動操作桿4 L， 4 R之操縱者傳來擒縱感，呈以觸覺可了解中立位置。As a result, the claw teeth 1 2 4 of the intermediate shaft 12 are idling, the slip ring 1 1 2 R and the claw teeth 114R start to rotate integrally, and the rotational power from the input shaft 110M is directly transmitted to the right output shaft 1 1 〇 R. Then, as shown in Fig. 10 and Fig. 13, the power from the engine 1 1 passes through the worm 1 1 9-the worm gear 1 1 8-the input shaft 1 1 0M-the sprocket 1 1 3-> the chain 1 3 3 —Sprocket 1 2 3 —Intermediate shaft 1 2 0 —Slider 1 2 2 L —Claw 1 2 4 L —Claw 1 1 4 L —Right output shaft 1 lOL —Drive sprocket 161L —Chain 163L —Passive chain Wheel 1 6 2L — Zhuo shaft 1 7 1 L and passed to the left wheel. In addition, the power from the engine 1 1 also passes through the worm 1 1 9 4 worm gear. The paper size applies to the Chinese National Standard (CNS) A4 (210 X 297 cm) -20- (Please read the precautions on the back before filling this page) -------- Order ------! Green 464468 A7 _____ _ B7 V. Description of the invention (18) 1 1 8 —Input shaft 1 1 0M—Slip ring 1 1 2R—Claw teeth 1 1 4R ―Right output shaft 1 1 OR —Drive sprocket 1 6 1R —Chain 1 6 3R —Passive sprocket 1 6 2 R —Axle 1 7 1 R is transmitted to the right wheel 1 7 R. In this way, the intermediate shaft 1 2 0 that rotates in the same direction as the input shaft 1 1 0 M rotates in the opposite direction to the left output shaft 1 1 0 L due to the meshing of the claw teeth 1 1 4, 1 2 4 L from the input shaft 1 1 0 M The left wheel 17 L conveys the forward direction of rotation at the same time, and because the right output shaft 11 〇 and the input shaft 11 Μ M rotate in the same direction, the right wheel 17R rotates backward, so the lawn mower 1 uses two wheels 17L The center of the left and right sides of 17L is a rotation support to the right to change direction, so that the lawnmower 1 can be simply and quickly turned. Next, explain the power-off state of the lawnmower 1 when the lever 4 L is turned neutral, and 4 R is in a neutral state. = As shown in Figure 9, by gently holding the left and right levers 4 L, 4 R can be Pull the rotating steel cables 41L, 41R to the rear, and the rotating steel cable 4 1 L and the spring 4 2 L pull the dial 1 0 2 L, and the fork 1 0 2 L is rotated in the plane of FIG. 9 and viewed in reverse. In the clockwise direction, at the same time, the gastric cable 4 1 R is also pulled by a spring 4 2 R to pull the fork 1 0 2 R, and the fork 1 0 2 R is rotated in the clockwise direction. So the two forks 1 0 2 L,] 0 2 R's bull face 1 ◦ 2 a, 1 0 2 a are engaged with each other, and then they are regulated to rotate, so that the opponent holds the lever 4 L, 4 R The manipulator sent a sense of escapement, showing the neutral position with a sense of touch.

隨之第1 0圖所示換擋撥叉1 0 4 L亦受連動沿反時針方向轉動，其結果如第1 4圖所示，滑環1 1 2 L介I -請先閱讀背面之注意事項再填寫本頁> 裝-------訂---------姨經濟部智慧財彦局員工消費合作社印製本紙張尺度適用中國國家標準（CNS)A4規格（2】0 X 297公釐） -21 - 經濟部智慧財產局員工消費合作社印製 4 6 4 4 6 8 A7 B7 五、發明說明（19) 部1 0 4 a略滑移至左側，又滑件1 2 2 L介叉部 1 〇 4 b略滑動至右側。同時換擋撥叉1 〇 4 R亦沿時針方向轉動，其結果滑環1 1 2R介叉部1 04 a略滑向右側，另滑件1 2 2 R並介叉部1 0 4 b略移向左側。如是，滑件1 2 2 L之離合齒1 2 2 c , 1 2 2 c… 與屮間軸1 2 0之爪齒1 2 4 L之離合齒1 2 4 c， 1 2 4 c…乃脫離嚙合，滑件1 2 2 R之離合齒1 2 2 c ，122c…與中間軸120之爪齒124R之離合齒 12 4c，1 2 4 c亦脫離嚙合。且，此時滑環112L之離合齒112c, 112c ...與右輸出軸1 1 0L之爪齒1 1 4L之離合齒1 1 4c ,1 1 4 c…並不嚙合，又滑環1 1 2R之離合齒 112c, 1 1 2 c…與右輸出軸1 1 〇 R之爪齒 i 14R之離合齒1 14c， 1 14c…亦不嚙合。Following this, the shift fork 1 0 4 L shown in Fig. 10 is also rotated counterclockwise in response to the linkage. The result is shown in Fig. 14 with the slip ring 1 1 2 L. I-Please read the note on the back first Please fill in this page for the matter > Packing ------- Order --------- Printed by Auntie Ministry of Economic Affairs, Smart Finance & Co., Ltd. Consumer Cooperatives. This paper is printed in accordance with China National Standard (CNS) A4 specifications ( 2] 0 X 297 mm) -21-Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 4 6 4 4 6 8 A7 B7 V. Description of the invention (19) The department 1 0 4 a slides slightly to the left and slides 1 2 2 L 介叉部〇4 b Slightly slide to the right. At the same time, the shift fork 1 〇4 R also rotates in the clockwise direction. As a result, the slip ring 1 1 2R and the fork 1 04 a slide slightly to the right, and the other slide 1 2 2 R and the fork 1 0 4 b move slightly. To the left. If so, the clutch teeth 1 2 2 c of the slider 1 2 2 c, 1 2 2 c ... and the clutch teeth 1 2 4 c of the shaft 1 2 0 1 1 2 4 c, 1 2 4 c ... Engagement, the clutch teeth 1 2 2 c, 122c of the slider 1 2 2 R and the clutch teeth 12 4c, 1 2 4 c of the claw teeth 124R of the intermediate shaft 120 are also disengaged. And, at this time, the clutch teeth 112c, 112c of the slip ring 112L ... and the claw teeth 1 1 0L of the right output shaft 1 1 4L, the clutch teeth 1 1 4c, 1 1 4 c ... do not mesh, and the slip ring 1 1 The clutch teeth 112c, 1 1 2c of 2R, and the clutch teeth 1 14c, 1 14c, ... of the claw teeth i 14R of the right output shaft 1 1 〇R also do not mesh.

其結果，輸入軸1 1 0M呈空轉對兩輸出軸1 1 0 LAs a result, the input shaft 1 1 0M is idling to both output shafts 1 1 0 L

，1 1 0 R不傳達動力，且中間軸1 2 0之爪齒1 2 4 L ，1 2 4 R亦呈空轉，該中間軸1 2 0亦不對兩輸出軸 1 1 0 L , 1 1 0 R進行輸出，以致對於兩車軸1 7 L， 1 7 R之轉動動力則呈切斷狀態。繼之就割草機1之後退操作加予說明之。如第9阔所不，當施力重握左右兩轉動操作桿4 L， 4 R即能將轉動鋼索4 1 L，4 1 R拉向後方，且該轉動鋼索4 1 L介彈簧4 2 L拉屮撥叉1 〇 2 L，致該撥叉 1 0 2 L轉動於第9圖之平面視反時針方向，於此同時該本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) 裝--------訂---------錄 -22- 經濟部智慧財產局員工消費合作社印製 464468 A7 -__-_B7 五、發明說明（20) 轉動鋼索4 1 R亦介彈簧4 2 R拉引撥叉1 〇 2 R，致該撥叉1 0 2 R沿時針方向轉動。此時兩撥义1 0 2 L， 1 0 2 R之平坦面1 〇 2 a， 1 〇 2 a雖一時會卡合，卻藉更強制性轉動兩撥叉1 0 2 L , 1 0 2 R解除其卡合，促使轉動至兩平坦面1 0 2 a， 1 0 2 a前端互相呈推壓之轉動界限狀態。隨之第1 0圖所不換擋撥义1 0 4 L受連動沿反時針方向轉動，其結果如第1 5圖所示，滑環1 1 2 L介叉部 1 0 4 a滑向左側，另滑件1 2 2 L介叉部1 〇 4 b滑向右側。同時換擋撥叉1 0 4亦沿時針方向轉動，其結果，滑環1 1 2 R介叉部1 0 4 a滑至右側，另滑件1 2 2 R 介叉部1 0 4 b滑至左側。如是滑件12 2L之離合齒12 2 c， 122 c…與中間軸1 2 0之爪齒1 2 4 L之離合齒1 2 4 c， 124c,以及滑件122R之離合齒122c, 12 2c……與中間軸1 2 0之爪齒1 2 4R之離合齒 12 4c, 1 2 4 c即脫開互相之嚙合。另，上述滑環112L之離合齒112c, 112c …與左輸出軸1 1 0 L之爪齒1 1 4 L之離合齒1 1 4 c ,1 1 4 c…則互相嚙合，上述滑環112 R之離合齒 112c, 1 1 2 c…與右輸出軸1 l〇R之爪齒 114尺之離合齒114〇， 114c…亦互相嚙合。其結果，屮間軸120之爪齒124L, 124R呈空轉，滑環1 1 2 L與爪齒1 1 4 L 一體轉動，及滑環本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (諳先閲讀背面之注意事項再填寫本頁) 裝·-------訂---------姨 -23- 經濟部智慧財產局員工消費合作社印製 464468 产 Α7 _ Β7 五、發明說明（21), 1 1 0 R does not transmit power, and the claw teeth of the intermediate shaft 1 2 0 1 2 4 L, 1 2 4 R is also idling, and the intermediate shaft 1 2 0 is not to the two output shafts 1 1 0 L, 1 1 0 R is output so that the turning power of 17 L and 17 R of both axles is cut off. Next, the back operation of the lawn mower 1 will be described. As shown in the ninth aspect, when the force is applied to the left and right rotating operation levers 4 L, 4 R can pull the rotating wire 4 1 L, 4 1 R to the rear, and the rotating wire 4 1 L and the spring 4 2 L Pull the fork 1 〇 2 L, causing the fork 10 2 L to rotate counterclockwise in the plane of Figure 9 at the same time, at the same time the paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 male Li) (Please read the precautions on the back before filling this page) -------- Order --------- Record-22- Printed by the Intellectual Property Bureau Employee Consumer Cooperative of the Ministry of Economic Affairs 464468 A7 -__-_ B7 V. Description of the invention (20) Turning the steel cable 4 1 R also introduces the spring 4 2 R to pull the fork 1 0 2 R, causing the fork 1 0 2 R to rotate in the clockwise direction. At this time, the flat surfaces of the two dials 1 0 2 L and 1 0 2 R are 1 〇 2 a, 1 〇 2 a, although they will be temporarily engaged, but by forcibly turning the two forks 1 0 2 L, 1 0 2 R The engagement is released, and the rotation is promoted to a state where the front ends of the two flat surfaces 10 2 a and 10 2 a are pushing against each other. Following this, the gear shifting in Figure 10 does not shift, and 1 0 4 L is rotated counterclockwise in response to the linkage. The result is shown in Figure 15. The slip ring 1 1 2 L slides the fork 1 0 4 a to the left. The other slider 1 2 2 L slides the fork 1 〇 4 b to the right. At the same time, the shift fork 1 0 4 also rotates in the clockwise direction. As a result, the slip ring 1 1 2 R slides the fork 1 to the right, and the other slide 1 2 2 R slides the fork 1 to 4 Left. For example, the clutch teeth 12 2 c, 122 c of the slider 12 2L, and the clutch teeth 1 2 4 c, 124 c of the claw teeth 1 2 4 L of the intermediate shaft 1 2 0, and the clutch teeth 122 c, 12 2 c of the slider 122R ... … To engage with the clutch teeth 12 4c, 1 2 4c of the claw teeth 1 2 4R of the intermediate shaft 1 2 0. In addition, the clutch teeth 112c, 112c of the above-mentioned slip ring 112L and the clutch teeth 1 1 4 L of the left output shaft 1 1 4 L, 1 1 4 c, 1 1 4 c, are engaged with each other, and the above-mentioned slip ring 112 R The clutch teeth 112c, 1 1 2c ... and the clutch teeth 114o, 114c, 114c ... of the right output shaft 1 l0R also mesh with each other. As a result, the claw teeth 124L and 124R of the interstitial shaft 120 are idling, and the slip ring 1 1 2 L and the claw teeth 1 1 4 L rotate together, and the slip ring is in accordance with the Chinese National Standard (CNS) A4 specification (210 X 297 mm) (谙 Please read the precautions on the back before filling in this page) Packing ------------ Order --------- Aunt-23- Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 464468 Product Α7 _ Β7 V. Description of the invention (21)

1 1 2R與爪齒1 1 4R —體轉動，致自輸入軸1 1 0M1 1 2R and claw teeth 1 1 4R — body rotation, resulting from input shaft 1 1 0M

之轉動動力直接被傳達至左右輸出軸1 1 〇 L， 1 1 〇 R αThe rotational power is directly transmitted to the left and right output shafts 1 1 〇 L, 1 1 〇 R α

如此Π發動機1 1之動力經由蝸桿1 1 9 —蝸輪 1 1 8 —輸入軸1 1 OR —滑環11 2L—爪齒1 1 4L —左輸出軸1 1 0 L—驅動鏈輪1 6 1 L—鏈條1 6 3L —被動鏈輪1 6 2 L —車軸1 7 1 L被傳達至左車輪 1 7 L。In this way, the power of the Π engine 1 1 passes through the worm 1 1 9-worm gear 1 1 8-input shaft 1 1 OR-slip ring 11 2L-claw tooth 1 1 4L-left output shaft 1 1 0 L-drive sprocket 1 6 1 L —Chain 1 6 3L —Passive sprocket 1 6 2 L —Axle 1 7 1 L is transmitted to the left wheel 17 L.

另自發動機1 1之動力亦經由蝸桿1 1 9—蝸輪 1 1 8 —輸入軸1 10M —滑環1 1 2R —爪齒1 14R —右輸出軸1 10R —驅動鏈輪16 1R —鏈條163R —被動鏈輪1 6 2R —車軸1 7 1 R而被傳至右車輪 1 7 R。如是由於左右輸出軸11 0L， 11 OR與輸入軸 1 1 0 Μ係呈同向轉動，致左右兩車輪1 7 L , 1 7 R Μ 轉動於後退方向，而割草機1則開始後退。其次說明割草機1在傾斜坡地之旋轉。如笫16圖、第17圖所示，於圖中Α位置，操縱者係捤住上述加速桿7將兩車輪1 7 L , 1 7 R驅動於前進方向，並使割刀1 3 L， 1 3 L， 1 3 R， 1 3 R致使割草機1沿傾斜面之橫向（在第1 6圖之左向）予以進行在此，以捤住加速桿7原樣再握住右轉動操作桿4 R 時，把亍3 0即呈左右轉動自如，右車輪1 7 R開始轉動於後返方向，且左車輪1 7 L依舊轉動於前進方向，致割本纸張尺度適用中國國家標準（CNS)A4規格（2〗0 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) --------訂 ------I--綠 -24- A7 464468 __B7__ 五、發明說明（22) 草機1向右側方向（第1 6圖之時針方向）旋轉，只要操縱者握住把手3 0維持如此狀態，即能使機體本體藉車輪 1 7 L , 1 7 R之轉動自圖中A位置經由B位置轉向c位直。且，藉在轉至C位置放開上述右轉動操作桿4 R時，雨車輪1 7 L， 1 7 R乃再開始轉動於前進方向，可使割草機1沿傾斜面開始前進於反對方向（第1 6圖之右向）〇又由於第7圓所示凸設於把手根部3 2上之制動片 3 2 d與自把手桿3 9內所垂設之.上述轉動制止銷5 4之互相抵觸，割草機1係被控制針對把手桿3 1之較長方向不能左右轉動略9 0度以上，致在第1 6圖之C位置，割草機1之方向旋轉被控制著。藉如此構成，操縱者只要握住欲轉向側之轉動操作桿 4 L ( 4 R )支承把手3 0予以維持其狀態，則割草機1 可藉行駛車輪17L,17R之轉動而易於轉向。〔發明之效果〕本發明由於如上述所構成，故具有如下述效果。第一，係在由發動機與割草部及行駛車輪所成機體本體形成把手根部，.R於該把手根部裝設可作左右及上下方向轉動之把手之割草機，藉予以構成爲將左右行駛車輪互相反向驅動，則能促使機體本體自身略轉動於把手根部周園，而在築堤或田埂之坡面等傾斜處所進行割草作業，於 ---I------- I -------—訂·---I---綠 (請先間讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印裝本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -25- 4 6 4 4 6 8 A7 ___ B7__ 五、發明說明（23) (請先閱讀背面之注意事項再填寫本頁) 割草作業場端邊欲反向返還時，只要握住轉動操作桿並支承把手維持其狀態，該兩行駛車輪即旋轉俾機體本體自身轉向，致不必費力可使割草機換向以圖提昇操作性及作業效率。第二，藉將上述構成把裝設部之把手根部予以配設於上述割草部之割刀驅動軸前方，而可使行駛時之機體前後平衡趨佳，以利謀圖行駛性及操作性之提昇。第三，藉將呈爲上述機體本體穩定輪之前輪由小腳輪予以構成，而可使該穩定輪追隨於行駛車輪促使之轉向，並於轉向後亦易使該穩定輪朝向於行進方向，以圖操作性之提昇。第四，藉將上述左右行駛車輪之動力傳動機構分別配設於機體兩側，而可使上述左右行駛車輪分別獨立轉動，俾兩行駛車輪互相反向轉動令機體本身旋轉，以利操縱者易於將割草機轉向，故可提昇操作性。經濟部智慧財產局員工消費合作社印製第五，藉在上述把手裝設部配設制動機構以控制把手之轉動，予以構成爲割草部前方之割刀不致朝向操縱者，而在傾斜處所成或凹凸較多處所等進行割草作業且於旋轉時行駛Μ不穩定，亦由於該制動機構可控制機體本體不致轉動所定角度以.h，致自割刀跳出之石粒不會飛向操縱者側，而可圖提昇安全性。「岡示之簡單說明〕第1圖爲割草機整體之立體圖。本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公髮） -26- 46 44 6 8 A7 B7 五、發明說明（24) 第2圓爲割草機平面（俯視）圖。第3圖爲割草機側視圖。第4圖爲割草機正視圖。第5圖爲割刀罩之構造立體顯示圖。第6圖爲操作部之構造立體顯示圖。第7圓爲把手桿裝設部之側祝剖面顯示圖。第8圖爲把手根部之構造平面顯示圖。第9圖爲顯示把手桿附近構造之割草機部分俯視圖。第1 0圖爲變速箱體內之構造俯視剖面顯示圖。第1 1圖爲顯示機體前進時之換擋離合器連接狀態之變速箱體內部份俯視剖面圖。第1 2圖爲顯示左向轉動時之換擋離合器連接狀態之變速箱體內部份俯視剖面圖。第1 3圖爲顯示右向轉動時之換擋離合機構連接狀態之變速箱體內部份俯視剖面圖。第1 4圖爲顯示中立狀態之換擋離合機構連接狀態之變速箱體內部份俯視剖面圖。第1 5圖爲顯示機體後退時之換擋離合機構連接狀態之變速箱體內部份俯祝剖面圖。第1 6圖爲顯示割草機在傾斜面之操作方法之正視圖第1 7圖爲顯示割草機在傾斜面之操作方法側視圖。〔符號說明〕 (請先閱讀背面之注音項再填寫本頁) ---I I I I ^ — — — — — — — It 經濟部智慧財產局員工消費合作社印製本紙張义度適用中國國家標準（CNS)A4規格（210 X 297公釐） -27- 4 6 4468 A7 B7 五、發明說明（25) 1 割草機 2 割草部 3 操作部 11 發動機 12 割刀驅動軸 13 割刀 16 行驶箱 17 車輪 3 0 把手 3 1 把手桿 3 2 把手根部 3 2 d 制動片 54 轉動制止銷 161 驅動鏈輪 16 2 被動鏈輪 16 3 鏈條 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印制衣本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -28-In addition, the power from the engine 1 1 also passes through the worm 1 1 9—worm gear 1 1 8—input shaft 1 10M—slip ring 1 1 2R—claw teeth 1 14R—right output shaft 1 10R—drive sprocket 16 1R —chain 163R — Passive sprocket 1 6 2R —The axle 1 7 1 R is passed to the right wheel 1 7 R. If it is because the left and right output shafts 11 0L, 11 OR and the input shaft 1 10 Μ series rotate in the same direction, the left and right wheels 17 L, 17 R Μ rotate in the backward direction, and the lawnmower 1 starts to retreat. Next, the rotation of the lawnmower 1 on an inclined slope will be described. As shown in Figure 16 and Figure 17, in the position A in the figure, the operator fastens the two wheels 1 7 L and 1 7 R in the forward direction by holding the acceleration lever 7 and makes the cutter 1 3 L, 1 3 L, 1 3 R, 1 3 R causes the lawn mower 1 to perform in the transverse direction of the inclined surface (left direction in FIG. 16), hold the acceleration lever 7 as it is and then hold the right rotation operation lever 4 At R, turning 亍 30 will turn freely from left to right, right wheel 1 7 R will start to rotate in the backward direction, and left wheel 17 L will still rotate in the forward direction. The size of this paper is subject to Chinese National Standards (CNS) A4 specifications (2) 0 X 297 mm (Please read the precautions on the back before filling this page) -------- Order -------- I--Green-24- A7 464468 __B7__ 5 2. Description of the invention (22) The lawnmower 1 rotates to the right (clockwise direction in Fig. 16). As long as the operator holds the handle 30 to maintain this state, the body of the machine can borrow the wheels 1 7 L, 1 7 R Turn from position A in the figure to position C through B. Moreover, when the right-handed operating lever 4 R is released when turning to the C position, the rain wheels 1 7 L and 1 7 R start to rotate in the forward direction again, so that the lawnmower 1 can start advancing in the opposite direction along the inclined surface. (The right direction of FIG. 16) 〇Because of the seventh circle, the brake pads 3 2 d protruding from the handle root 3 2 and the self-handle lever 39 are set up. The rotation stop pin 5 4 of the above In conflict with each other, the lawnmower 1 is controlled to be unable to turn left and right by more than 90 degrees for the longer direction of the handlebar 31, so that in the position C of FIG. 16, the rotation of the lawnmower 1 is controlled. With this configuration, as long as the operator holds the turning operation lever 4 L (4 R) supporting handle 30 to be turned to maintain its state, the lawn mower 1 can easily turn by turning the traveling wheels 17L, 17R. [Effects of the Invention] Since the present invention is configured as described above, it has the following effects. First, the root of the handle is formed on the body of the body formed by the engine, the mowing part and the traveling wheels. The R is equipped with a lawn mower that can be turned in the left and right and up and down directions. The driving wheels are driven in opposite directions to each other, which can cause the body itself to turn slightly around the base of the handle, and perform mowing operations on sloped places such as embankments or field slopes. --- I ------- I --------- Order · --- I --- Green (please read the notes on the back before filling out this page) The printed paper size of the employee consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs applies the Chinese national standard ( CNS) A4 specification (210 X 297 mm) -25- 4 6 4 4 6 8 A7 ___ B7__ 5. Description of the invention (23) (Please read the precautions on the back before filling this page) When returning it, as long as the rotating operation lever is held and the support handle is maintained to maintain its state, the two traveling wheels, namely the rotary cymbal body itself, are turned, so that it is not necessary to change the direction of the lawnmower to improve operability and efficiency. Secondly, by arranging the root of the handle of the installation part in front of the cutter driving shaft of the mowing part, the front-to-back balance of the body during driving can be improved to facilitate driving and operability. Of promotion. Third, the front wheel of the body body stabilizing wheel is composed of small casters, so that the stabilizing wheel can follow the turning caused by the traveling wheel, and the stabilizing wheel can easily be oriented in the direction of travel after turning. Figure operability improvement. Fourth, by disposing the power transmission mechanisms of the left and right running wheels on both sides of the body, the left and right running wheels can be independently rotated. 俾 The two running wheels rotate in opposite directions to each other to make the body rotate, which is easy for the operator. Steering the lawn mower improves operability. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Fifth, by installing a braking mechanism in the handle installation section to control the rotation of the handle, it is constituted so that the cutting blade in front of the mowing section does not face the operator, but is formed in an inclined place Or when there is a lot of bumps and mowing operations and the driving is unstable when rotating, the brake mechanism can control the body to prevent the body from turning by a predetermined angle of .h, so that the stone particles jumping from the cutter will not fly to the operator Side, which can improve safety. "Simple explanation of Gangshi" Figure 1 is a perspective view of the entire lawn mower. This paper size is applicable to China National Standard (CNS) A4 (210 X 297) -26- 46 44 6 8 A7 B7 V. Description of the invention (24) The second circle is a plan view (plan view) of the lawnmower. The third diagram is a side view of the lawnmower. The fourth diagram is a front view of the lawnmower. The fifth diagram is a perspective view showing the structure of the cutter cover. Figure 6 is a three-dimensional view of the structure of the operating part. The seventh circle is a side view of the handlebar mounting section. Figure 8 is a plan view of the structure of the handle root. Figure 9 is a cut showing the structure near the handlebar. Top view of the lawnmower part. Figure 10 is a top sectional view showing the structure of the gearbox body. Figure 11 is a top sectional view of the gearbox body showing the connection state of the shift clutch when the machine body is moving forward. Figure 12 is Top section view of the transmission body showing the connection state of the shifting clutch when turning left. Figure 13 shows a section view of the transmission body showing the connection state of the shifting clutch mechanism when turning right. Section 1 Figure 4 shows the gearshift clutch in a neutral state. Top sectional view of the transmission body part in the connected state. Fig. 15 is a top sectional view of the transmission body part showing the connection state of the shift clutch mechanism when the body is retracted. Fig. 16 is a view showing the lawnmower in The front view of the operation method of the inclined surface Figure 17 shows the side view of the operation method of the lawn mower on the inclined surface. [Symbol] (Please read the phonetic entry on the back before filling this page) --- IIII ^ — — — — — — — It is printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, Consumer Cooperatives, and the paper is printed in accordance with China National Standard (CNS) A4 (210 X 297 mm) -27- 4 6 4468 A7 B7 V. Description of Invention (25 ) 1 Lawn mower 2 Mowing unit 3 Operating unit 11 Engine 12 Cutter drive shaft 13 Cutter 16 Travel box 17 Wheels 3 0 Handle 3 1 Handle lever 3 2 Handle root 3 2 d Brake pad 54 Turn stop pin 161 Drive chain Wheel 16 2 Passive sprocket 16 3 Chain (Please read the precautions on the back before filling out this page) Printed on clothing by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Centimeters) -28-

Claims

8800 99 ABCD 464468 6. Scope of patent application 1. A lawn mower, which is formed on the body of the body formed by the engine and the mowing part and the left and right running wheels, and is installed on the handle root for left and right and up and down Those who turn the handle in the direction are characterized by: By driving the left and right running wheels in opposite directions to each other, the body itself can be slightly rotated around the root of the handle. 2 + The lawnmower according to item 1 of the patent application, wherein the root of the handle constituting the handle installation portion is arranged in front of the drive shaft of the cutting blade of the lawn mower. 3. The lawnmower according to item 1 or 2 of the scope of patent application, wherein the above-mentioned guide wheel which is the stable shaft of the body is composed of casters. 4. The lawnmower according to item 1 of the scope of patent application, wherein the power transmission mechanisms of the above-mentioned left and right running wheels are respectively arranged on both sides of the body. 5. The lawnmower according to item 1 of the scope of the patent application, wherein a braking mechanism is arranged on the handle installation portion to control the rotation of the handle, and the blade in the front of the grass cutting portion is not directed toward the operator. — — — — — If — — 丨 'install · ί IIII t ---— — — — — — I (Please read the notes on the back before filling out this page) Intellectual Property Bureau of the Ministry of Economic Affairs, Consumer Consumption Dumpling System Applicable to China National Standard (CNS) A4 (210 X 297 mm) 29-