JPH01106663U - - Google Patents

Description

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

第１図は本考案のＨＳＴ変速レバー１と係合カ
ム２とブレーキペダル３との連動状態を示す斜視
図、第２図は同じく分解状態の斜視図、第３図は
フイードバツクアーム５の側面図、第４図はＨＳ
Ｔ変速レバー１が中立状態で、ブレーキペダル３
が踏み込まれていない状態の係合カム２とカムロ
ーラー４の部分の後面断面図、第５図は同じく係
合カム２とカムローラー４の関係を示す側面図、
第６図はＨＳＴ変速レバー１が前進変速位置で、
ブレーキペダル３が踏み込まれた状態の係合カム
２とカムローラー４の部分の後面断面図、第７図
は同じく係合カム２とカムローラー４の側面図、
第８図は係合カム２の円弧カム溝２ａと直線カム
溝２ｂ・２ｃの形状を示す側面図、第９図はブレ
ーキペダル３の踏み込み量と係合カム２の戻り位
置を示す図面である。 １…ＨＳＴ変速レバー、２…係合カム、２ａ…
円弧カム溝、２ｂ，２ｃ…直線カム溝、３…ブレ
ーキペダル、４…カムローラー、５…フイードバ
ツクアーム、６…斜板角制御アーム、７…回動中
心軸、８…斜板角制御軸、９…ローラー支持体。 FIG. 1 is a perspective view showing the interlocking state of the HST gear shift lever 1, engagement cam 2, and brake pedal 3 of the present invention, FIG. 2 is a perspective view of the disassembled state, and FIG. 3 is a perspective view of the feedback arm 5. Side view, Figure 4 is HS
With T-shift lever 1 in neutral, brake pedal 3
FIG. 5 is a rear sectional view of the engagement cam 2 and the cam roller 4 in a state where they are not depressed, and FIG. 5 is a side view showing the relationship between the engagement cam 2 and the cam roller 4.
Figure 6 shows the HST shift lever 1 in the forward shift position.
A rear sectional view of the engaging cam 2 and the cam roller 4 with the brake pedal 3 depressed; FIG. 7 is a side view of the engaging cam 2 and the cam roller 4;
FIG. 8 is a side view showing the shapes of the circular cam groove 2a and linear cam grooves 2b and 2c of the engagement cam 2, and FIG. 9 is a drawing showing the amount of depression of the brake pedal 3 and the return position of the engagement cam 2. . 1...HST gear shift lever, 2...engaging cam, 2a...
Arc cam groove, 2b, 2c...linear cam groove, 3...brake pedal, 4...cam roller, 5...feedback arm, 6...swash plate angle control arm, 7...rotation center axis, 8...swash plate angle control Shaft, 9...Roller support.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＨＳＴ式変速装置Ｈの斜板角制御軸８の回動に
連動して回転する係合カム２を設け、該係合カム
２の回転中心部に、円弧カム溝２ａと、該回転中
心を通過する直線カム溝２ｂを連通構成し、該連
通カム溝２ａ・２ｂ内に、直線カム溝２ｂの幅に
略等しい径のカムローラー４を嵌挿し、該カムロ
ーラー４をブレーキペダル３の踏み込みでスライ
ドさせると共に、前記斜板角制御軸８の中立位置
を、ブレーキペダル３の踏み込みによるカムロー
ラー４のスライド方向と、係合カム２の直線カム
溝２ｂの中心線とが一致する位置に設定したこと
を特徴とするＨＳＴ変速装置搭載の走行車輌。 An engagement cam 2 that rotates in conjunction with the rotation of the swash plate angle control shaft 8 of the HST type transmission H is provided, and an arcuate cam groove 2a is provided at the rotation center of the engagement cam 2, and an arcuate cam groove 2a passes through the rotation center. A cam roller 4 having a diameter approximately equal to the width of the linear cam groove 2b is inserted into the communicating cam grooves 2a and 2b, and the cam roller 4 is slid by pressing the brake pedal 3. At the same time, the neutral position of the swash plate angle control shaft 8 is set at a position where the sliding direction of the cam roller 4 due to depression of the brake pedal 3 and the center line of the linear cam groove 2b of the engagement cam 2 coincide. A running vehicle equipped with an HST transmission featuring the following.