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    • 3. 发明授权
      US5526633A Lawn mower having improved deck height adjustment mechanism 失效
    • Lawn mower having improved deck height adjustment mechanism
    • 割草机具有改进的甲板高度调节机制
    • US5526633A
    • 1996-06-18
    • US289452
    • 1994-08-12
    • David S. Strong , Richard P. Rosa , Ronald A. Jackson , Stephen B. Hunter , Brian S. Burnett
    • David S. Strong , Richard P. Rosa , Ronald A. Jackson , Stephen B. Hunter , Brian S. Burnett
    • A01D34/74
    • A01D34/74 , A01D2101/00
    • A lawn mower having a deck height adjustment mechanism for simultaneously adjusting a height of a deck of a lawn mower at all four wheels of the lawn mower by the use of a single hand of the operator. The mechanism includes an index plate having a plurality of teeth thereon defining a plurality of deck height positions, and therefore a plurality of height positions of a cutting blade supported by the deck. The index plate is fixedly secured to an offset rear axle. An engaging plate having a pawl is coupled to an actuating member which is slidably, vertically moveable relative to the deck when the operator grips the actuating member and pulls upwardly away from the deck, while resting a palm of the same hand on a palm rest portion of the mechanism. A linkage member couples the index plate to a bracket of an offset front axle positioned at a front end of the deck. The operator adjusts the height of the deck relative to a ground surface by pulling upwardly with the fingers of one hand on the actuating member, while resting the palm of the same hand on the palm rest. This causes the engaging plate, and thus the pawl thereon, to be drawn out of engagement with the teeth of the index plate. The operator, while holding the actuating member engaged, may either pull upwardly with the same hand, thus raising the entire deck of the mower, or may urge the deck into a lower position. Movement of the index plate causes a simultaneous rotational movement of the offset front axle. Thus, all four corners of the deck are caused to be raised or lowered simultaneously as the operator either lifts or lowers the deck while engaging the actuation member.
    • 具有甲板高度调节机构的割草机，其通过使用操作者的单手同时调整割草机的所有四个轮子上的割草机的甲板的高度。 该机构包括其上具有多个齿的分度板，其中限定了多个甲板高度位置，并且因此具有由甲板支撑的切割刀片的多个高度位置。 分度板固定在一个偏移的后桥上。 具有棘爪的接合板联接到致动构件，当操作者握住致动构件并向上拉动远离甲板时，致动构件可相对于甲板可滑动地竖直移动，同时将同一只手的手掌搁在掌托部分 的机制。 联动构件将索引板连接到位于甲板前端的偏移前桥的支架。 操作者通过一只手的手指在致动构件上向上拉动同时将同一只手的手掌放在掌托上来调节甲板相对于地面的高度。 这导致接合板，并且因此其上的棘爪被拉出与指示板的齿接合。 操作者在保持致动构件接合的同时可以用相同的手向上拉，从而提升割草机的整个甲板，或者可以将甲板推入较低的位置。 索引板的移动导致偏移前轴的同时旋转运动。 因此，当操作者在接合致动构件时升高或降低甲板时，甲板的所有四个角都被同时升高或降低。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 4. 发明授权
      US5461847A Lawn mower having improved handle-to-deck coupling arrangement 失效
    • Lawn mower having improved handle-to-deck coupling arrangement
    • 割草机具有改进的手柄对甲板联接装置
    • US5461847A
    • 1995-10-31
    • US289453
    • 1994-08-12
    • David S. Strong , Richard P. Rosa , Brian S. Burnett
    • David S. Strong , Richard P. Rosa , Brian S. Burnett
    • A01D34/82
    • A01D34/824 , A01D2101/00 , Y10T16/499
    • An improved handle-to-deck coupling arrangement for a lawn mower. The coupling arrangement is provided in part by a lawn mower handle having a pair of curved distal end portions. The distal ends portions fit within a pair of channels integrally formed in a deck of the lawn mower. The end-most portions of each distal portion of the handle fit within sockets formed in a lower-most portion of the deck. This coupling arrangement serves to spread out stresses experienced by the deck over a larger area of the deck when pushing or lifting forces are exerted on the handle member by an operator. In a preferred embodiment, an anchor-type fastening assembly is included. The anchor-type fastening assembly is associated with at least one of the sockets and provides a plurality of arm portions which fit within an interior area of the end-most portion of the handle member once the end-most portion is inserted in the socket. The arm portions may then be expanded radially outwardly into contact with an inner surface wall of the end-most portion of the handle member by advancing a threaded fastener into the area defined by the socket. When completely advanced, the threaded fastener urges the arm portions radially outwardly, thus locking the end-most portion in the socket.
    • 用于割草机的改进的手柄到甲板联接装置。 联接装置由具有一对弯曲的远端部分的割草机手柄部分地设置。 远端部分配合在一体形成在割草机的甲板上的通道中。 手柄的每个远端部分的最后部分装配在形成在甲板的最下部分的插座中。 这种连接装置用于在操作者施加推力或提升力作用在手柄部件上时展开由甲板经过甲板的较大区域经受的应力。 在优选实施例中，包括锚式紧固组件。 锚定型紧固组件与至少一个插座相关联，并提供多个臂部分，一旦最后部分插入插座中，该部分就装配在手柄部件最终部分的内部区域内。 然后可以通过将螺纹紧固件推进到由插座限定的区域中，将臂部分径向向外扩展以与手柄部件的最终部分的内表面壁接触。 当完全前进时，螺纹紧固件将臂部分径向向外推动，从而将最终部分锁定在插座中。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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