JPH0317354U - - Google Patents
Info
- Publication number
- JPH0317354U JPH0317354U JP7582589U JP7582589U JPH0317354U JP H0317354 U JPH0317354 U JP H0317354U JP 7582589 U JP7582589 U JP 7582589U JP 7582589 U JP7582589 U JP 7582589U JP H0317354 U JPH0317354 U JP H0317354U
- Authority
- JP
- Japan
- Prior art keywords
- belt
- pulley
- swing arm
- pulleys
- clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
第１図は本考案を適用したベルト駆動装置のク
ラツチオン状態の縦断側面図、第２図は第１図と
同じベルト駆動装置のクラツチオフ状態の縦断側
面図、第３図は第２図の−断面拡大図、第４
図は第１図のベルト駆動装置を備えた草刈機の側
面図、第５図は従来のベルト駆動装置であつて、
第３図と同じ部分の断面図である。
１……エンジン、１１……駆動プーリ、１２…
…被駆動プーリ、１６……駆動ベルト、１７……
被駆動プーリ軸受、１８……ロツド、２０……ス
イングアーム、２１……付勢ばね、３０……駆動
側プーリカバー、３０ａ，３０ｂ……端縁部、３
１……被駆動側プーリカバー、３３……傾斜部。
Fig. 1 is a longitudinal sectional side view of a belt drive device to which the present invention is applied in a clutch-on state, Fig. 2 is a longitudinal sectional side view of the same belt drive device as Fig. 1 in a clutch-off state, and Fig. 3 is a - cross section of Fig. 2. Enlarged view, 4th
The figure is a side view of a lawn mower equipped with the belt drive device shown in FIG. 1, and FIG. 5 shows a conventional belt drive device.
FIG. 3 is a sectional view of the same part as FIG. 3; 1... Engine, 11... Drive pulley, 12...
...Driven pulley, 16... Drive belt, 17...
Driven pulley bearing, 18...rod, 20...swing arm, 21...biasing spring, 30...drive side pulley cover, 30a, 30b...end edge portion, 3
1... Driven side pulley cover, 33... Inclined part.
Claims (1)
けわたされる駆動ベルトと、駆動プーリの回転中
心と異なつた位置に揺動支点を有するスイングア
ームと、該スイングアームにスライド自在に支持
されると共に被駆動プーリの軸受を支持するロツ
ドと、両プーリの軸心間距離を拡げる方向にロツ
ドを付勢するばねと、ベルトプーリカバーからな
り、スイングアームの揺動操作によりプーリの軸
心間距離を変更してクラツチをオン・オフするベ
ルト駆動装置において、被駆動側プーリカバーの
ベルト出口部或は入口部または出入口両部に、ベ
ルト弛緩時に駆動ベルトをプーリ溝側面にスライ
ド押圧する傾斜部を形成したことを特徴とするベ
ルト駆動装置のクラツチ・ブレーキ装置。 A driving pulley, a driven pulley, a driving belt that is passed around both pulleys, a swing arm having a swinging fulcrum at a position different from the center of rotation of the driving pulley, and a swing arm that is slidably supported by the swing arm and is supported by the swing arm. Consists of a rod that supports the bearing of the drive pulley, a spring that biases the rod in the direction of increasing the distance between the axes of both pulleys, and a belt pulley cover, and the distance between the axes of the pulleys can be changed by swinging the swing arm. In a belt drive device that turns on and off a clutch, a sloped portion is formed at the belt exit portion, entrance portion, or both entrance and exit portions of the driven-side pulley cover to slide and press the drive belt against the side surface of the pulley groove when the belt is loosened. A clutch/brake device for a belt drive device characterized by:
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7582589U JPH0724697Y2 (en) | 1989-06-28 | 1989-06-28 | Belt drive clutch / brake device |
| US07/522,923 US5139091A (en) | 1989-05-15 | 1990-05-14 | Edger with improved operating lever assembly |
| US07/766,388 US5199502A (en) | 1989-05-15 | 1991-09-27 | Edger with improved rotary blade driving device |
| US07/766,271 US5437334A (en) | 1989-05-15 | 1991-09-27 | Edger |
| US07/766,321 US5165485A (en) | 1989-05-15 | 1991-09-27 | Edger with improved blade cover assembly |
| US07/766,286 US5156217A (en) | 1989-05-15 | 1991-09-27 | Edger with improved rear wheel adjustment |
| US07/766,526 US5119879A (en) | 1989-05-15 | 1991-09-27 | Edger with tubular main frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7582589U JPH0724697Y2 (en) | 1989-06-28 | 1989-06-28 | Belt drive clutch / brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0317354U true JPH0317354U (en) | 1991-02-20 |
| JPH0724697Y2 JPH0724697Y2 (en) | 1995-06-05 |
Family
ID=31616744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7582589U Expired - Lifetime JPH0724697Y2 (en) | 1989-05-15 | 1989-06-28 | Belt drive clutch / brake device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724697Y2 (en) |
-
1989
- 1989-06-28 JP JP7582589U patent/JPH0724697Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724697Y2 (en) | 1995-06-05 |
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