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    BELT RELEASE MECHANISM
    1.
    发明申请
    BELT RELEASE MECHANISM 审中-公开
    皮带释放机构

    公开(公告)号：WO0011931A9

    公开(公告)日：2000-09-08

    申请号：PCT/US9920175

    申请日：1999-09-02

    Applicant: MTD PRODUCTS INC

    Inventor： KAESGEN HARTMUT ,  ROBERTSON JOHN ,  BORLING AL ,  SCHAEDLER AXEL

    IPC: A01D69/08 ,  F16H7/08

    CPC classification number: A01D69/08 ,  F16H7/0827

    Abstract: A belt release mechanism (50) is provided for use with the belt drive system of a lawn mower (10). The lawn mower (10) includes an engine (14), a drive pulley (22) that is selectively rotated by the engine (14), a driven pulley (24) for using in driving an associated implement, and a belt having an inner surface that selectively operatively connects the drive pulley to the drive pulley. The driven pulley (24) has a pulley surface (36) that forms a pulley groove (34) for use in selectively operatively receiving the belt (28). The belt release mechanism (50) is used to selectively release the drive pulley (22) from operatively receiving the belt (28). The belt release mechanism (50) is selectively positioned between the pulley surface (36) and the inner surface (40) of the belt (28).

    Abstract translation: 提供带释放机构（50）以与割草机（10）的带驱动系统一起使用。 割草机（10）包括发动机（14），由发动机（14）选择性地旋转的驱动滑轮（22），用于驱动相关器具的从动滑轮（24），以及具有内部 表面，其有选择地将驱动皮带轮连接到驱动皮带轮。 从动皮带轮（24）具有皮带轮表面（36），其形成用于选择性地操作地接收皮带（28）的皮带轮槽（34）。 带释放机构（50）用于选择性地释放驱动带轮（22）以操作地接收带（28）。 皮带释放机构（50）选择性地定位在皮带轮表面（36）和皮带（28）的内表面（40）之间。

    2.
    发明专利
    未知

    公开(公告)号：DE69913691T2

    公开(公告)日：2004-10-07

    申请号：DE69913691

    申请日：1999-06-04

    Applicant: MTD PRODUCTS INC

    Inventor： BORLING AL

    IPC: A01D34/64 ,  A01D34/68

    Abstract: A dynamic drive and brake system is provided. To accelerate the mower in a forward direction, the operator depresses the acceleration pedal, overcoming the biasing force of the acceleration spring. This causes the double idler pulley system to pivot from an inoperative or de-clutched condition to an operative condition. The farther the accelerator pedal is depressed, the more the double idler pulley system pivots and, correspondingly, the more tension is applied to the first belt. The increased tension in the first belt causes the middle pulley member to move in a downward direction and therefore decreases the diameter of the first belt about the double pulley shaft. The movement of the middle pulley member simultaneously increases the diameter of the second belt about the double pulley shaft. This increases the tension in the second belt which tension is absorbed by the idler spring that permits the idler pulley to pivot in a clockwise direction as seen in FIGS. 2-3. The particular diameters of the first and second belts about the double pulley provide increased rotational speed to the transmission input pulley. This increased rotational speed is then transferred to the transmission and on to the back drive axle and back wheels for corresponding acceleration of the mower.

    Dynamic drive and brake system
    3.
    发明专利
    Dynamic drive and brake system 未知

    公开(公告)号：AU760661B2

    公开(公告)日：2003-05-22

    申请号：AU4423599

    申请日：1999-06-04

    Applicant: MTD PRODUCTS INC

    Inventor： BORLING AL

    IPC: A01D34/64 ,  A01D34/68

    Abstract: A dynamic drive and brake system is provided. To accelerate the mower in a forward direction, the operator depresses the acceleration pedal, overcoming the biasing force of the acceleration spring. This causes the double idler pulley system to pivot from an inoperative or de-clutched condition to an operative condition. The farther the accelerator pedal is depressed, the more the double idler pulley system pivots and, correspondingly, the more tension is applied to the first belt. The increased tension in the first belt causes the middle pulley member to move in a downward direction and therefore decreases the diameter of the first belt about the double pulley shaft. The movement of the middle pulley member simultaneously increases the diameter of the second belt about the double pulley shaft. This increases the tension in the second belt which tension is absorbed by the idler spring that permits the idler pulley to pivot in a clockwise direction as seen in FIGS. 2-3. The particular diameters of the first and second belts about the double pulley provide increased rotational speed to the transmission input pulley. This increased rotational speed is then transferred to the transmission and on to the back drive axle and back wheels for corresponding acceleration of the mower.

    5.
    发明专利
    未知

    公开(公告)号：BR9910940A

    公开(公告)日：2001-10-23

    申请号：BR9910940

    申请日：1999-06-04

    Applicant: MTD PRODUCTS INC

    Inventor： BORLING AL

    IPC: A01D34/64 ,  A01D34/68

    Abstract: A dynamic drive and brake system is provided. To accelerate the mower in a forward direction, the operator depresses the acceleration pedal, overcoming the biasing force of the acceleration spring. This causes the double idler pulley system to pivot from an inoperative or de-clutched condition to an operative condition. The farther the accelerator pedal is depressed, the more the double idler pulley system pivots and, correspondingly, the more tension is applied to the first belt. The increased tension in the first belt causes the middle pulley member to move in a downward direction and therefore decreases the diameter of the first belt about the double pulley shaft. The movement of the middle pulley member simultaneously increases the diameter of the second belt about the double pulley shaft. This increases the tension in the second belt which tension is absorbed by the idler spring that permits the idler pulley to pivot in a clockwise direction as seen in FIGS. 2-3. The particular diameters of the first and second belts about the double pulley provide increased rotational speed to the transmission input pulley. This increased rotational speed is then transferred to the transmission and on to the back drive axle and back wheels for corresponding acceleration of the mower.

    SEGADORA, SISTEMA DE CORREAS Y METODO PARA ACELERAR UNA SEGADORA
    7.
    发明专利
    SEGADORA, SISTEMA DE CORREAS Y METODO PARA ACELERAR UNA SEGADORA 未知

    公开(公告)号：AR035632A1

    公开(公告)日：2004-06-23

    申请号：ARP000106489

    申请日：2000-12-07

    Applicant: MTD PRODUCTS INC

    Inventor： BORLING AL

    IPC: A01D34/68

    Abstract: Se proporciona un sistema de accionamiento y freno dinámico (11). Para acelerar la segadora (10) hacia delante, el operador baja el pedal del acelerador (60), superando la fuerza de derivación negativa del muelle del acelerador (64). Esto hace que el sistema de doble polea tensora (50) pivote desde un estado no operativo o desembragado a un estado operativo. Cuanto más abajo se pisa el pedal del acelerador (60), más pivota el sistema de doble polea tensora (50) y, correspondientemente, se aplica más tensión a la primera correa (34). El aumento de tensión en la primera correa (34) alrededor del eje de la doble polea (47). Esto aumenta la tensión en la segunda correa (36), tensión ésta que es absorbida por el muelle tensor (32) que permite que la polea tensora (30) pivote en el sentido de las agujas del reloj tal como se ve en las figuras. Los diámetros particulares de la primera y segunda correas (34, 36) alrededor de la polea doble (12) proporcionan un aumento de la velocidad de rotación a la polea de entrada de transmisión (20). Esta mayor velocidad de rotación luego se transfiere a la transmisión (18) y al eje de tracción trasera (28) y a las ruedas traseras (24) para la correspondiente aceleración de la segadora (10).

    Dynamic drive and brake system
    8.
    发明专利
    Dynamic drive and brake system 未知

    公开(公告)号：AU4423599A

    公开(公告)日：1999-12-20

    申请号：AU4423599

    申请日：1999-06-04

    Applicant: MTD PRODUCTS INC

    Inventor： BORLING AL

    IPC: A01D34/64 ,  A01D34/68

    Abstract: A dynamic drive and brake system is provided. To accelerate the mower in a forward direction, the operator depresses the acceleration pedal, overcoming the biasing force of the acceleration spring. This causes the double idler pulley system to pivot from an inoperative or de-clutched condition to an operative condition. The farther the accelerator pedal is depressed, the more the double idler pulley system pivots and, correspondingly, the more tension is applied to the first belt. The increased tension in the first belt causes the middle pulley member to move in a downward direction and therefore decreases the diameter of the first belt about the double pulley shaft. The movement of the middle pulley member simultaneously increases the diameter of the second belt about the double pulley shaft. This increases the tension in the second belt which tension is absorbed by the idler spring that permits the idler pulley to pivot in a clockwise direction as seen in FIGS. 2-3. The particular diameters of the first and second belts about the double pulley provide increased rotational speed to the transmission input pulley. This increased rotational speed is then transferred to the transmission and on to the back drive axle and back wheels for corresponding acceleration of the mower.

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