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    • 1. 发明授权
    • Snowthrower chute and deflector control
    • 推土机滑道和导流板控制
    • US07032333B2
    • 2006-04-25
    • US10464434
    • 2003-06-18
    • Nathan J. FribergDonald M. White, III
    • Nathan J. FribergDonald M. White, III
    • E01H5/09
    • E01H5/045
    • A single joystick type control handle controls the chute and deflector of a snowthrower. The control handle can be moved laterally from side to side and a second linkage including a gear connection laterally rotates the chute from side to side in the same direction, i.e. movement of the control handle to the left rotates the chute to the left and vise versa. The gear connection has a mechanical advantage that increases the amount of the angular rotation of the chute, i.e. the chute rotates further than the angular movement of the control handle. The control handle can also be moved longitudinally from fore to aft and a second linkage comprising a flexible cable pivots the deflector up and down on the chute in the same direction, i.e. moving the control handle forward pivots the deflector down and vise versa. A locking mechanism is provided to hold the chute and the deflector in their adjusted positions.
    • 单个操纵杆式控制手柄控制打雪机的滑槽和导流板。 控制手柄可以从一侧到另一侧横向移动,包括齿轮连接的第二连杆在相同的方向上横向地使滑槽从一侧到另一侧旋转,即,控制手柄向左移动,将滑槽向左旋转,反之亦然 。 齿轮连接具有增加滑槽的角度旋转量的机械优点,即滑槽比控制手柄的角度运动进一步旋转。 控制手柄还可以从前到后纵向移动,并且包括柔性缆索的第二连杆在同一方向上使滑板在滑槽上上下移动,即,向前移动控制手柄向前使偏转器向下枢转,反之亦然。 提供锁定机构以将滑槽和导流板保持在调整位置。
    • 3. 发明授权
    • Snowthrower wheel drive steering system
    • 降雪车轮驱动转向系统
    • US07401425B2
    • 2008-07-22
    • US11021480
    • 2004-12-23
    • Nathan J. FribergDonald M. White, III
    • Nathan J. FribergDonald M. White, III
    • B62D11/02
    • E01H5/04B62D11/08B62D51/001B62D51/04
    • A snowthrower has independent wheel drive trains to allow steering by clutching one drive train while unclutching the other drive train. The clutch in each drive train comprises a plurality of pivotal pawls carried on a drive member with the pawls pivoting in a plane that is substantially perpendicular to the rotational axis of the drive member. The pawls have heads that project through one face of the drive member and tails located on an opposite face of the drive member. The heads of the pawls can engage or disengage notches that are fixed to the driven member to clutch or unclutch the drive and driven members. A shift member axially presses on the tails of the pawls to disengage the heads of the pawls from the driven member. The shift member is selectively moved by an operator using a steering lever on the snowthrower.
    • 一个积雪车有独立的轮子驱动列车,通过抓住一个传动系统,同时转动另一个传动系统来允许转向。 每个传动系中的离合器包括承载在驱动构件上的多个枢转棘爪,棘爪在基本上垂直于驱动构件的旋转轴线的平面中枢转。 棘爪具有从驱动构件的一个表面突出的头部和位于驱动构件的相对面上的尾部。 棘爪的头部可以接合或脱离固定到从动构件的凹口,以离合或分离驱动和驱动构件。 换档构件轴向地按压爪的尾部以将棘爪的头部与被驱动构件脱离。 移动构件由操作者选择性地使用在推荐者上的转向杆来移动。
    • 4. 发明授权
    • Filament trimmer head
    • 细丝修剪头
    • US5657542A
    • 1997-08-19
    • US469833
    • 1995-06-06
    • Donald M. White, IIIChris A. Wadzinski
    • Donald M. White, IIIChris A. Wadzinski
    • A01D34/416A01D34/67B26B27/00
    • A01D34/4163A01D34/416
    • A filament trimmer has an improved trimmer head. The trimmer head includes a spool having crush ribs on its core to prevent contraction of the filament line from warping or otherwise damaging the spool. A slot shaped exit aperture is provided in the head which can be opened up when the head is disassembled to allow the filament line to be more easily placed therein, but which will be closed when the head is fully assembled and will constrain the line against excessive vertical movement. The head includes a line indexing system for feeding out additional line in which one of the groups of the conventional teeth in such system are vertically spaced away from the spool flanges and are placed on a spool core extension. A dirt seal is provided to help prevent from passing around the ground engaging member of the indexing system. Finally, the head includes a self threading drive shaft that forms the attachment threads for the head into the head when the head is threaded onto the drive shaft.
    • 长丝修剪器具有改进的修剪器头部。 修剪器头部包括在其芯部上具有压碎肋的卷轴,以防止细丝线收缩而不会翘曲或以其他方式损坏卷轴。 在头部设置有槽形的出口孔,当头部被拆卸时,该孔可以被打开以允许细丝线更容易地放置在其中,但是当头部被完全组装时将封闭,并且将限制线过度 垂直运动。 头部包括用于输出附加线的线分度系统,其中这种系统中的常规齿的一组中的一组与卷轴凸缘垂直间隔开并且放置在卷轴芯延伸部上。 提供防尘密封以帮助防止分拣系统的地面接合构件的穿过。 最后,头部包括一个自动穿线驱动轴,当头部被螺纹连接到驱动轴上时,该螺纹驱动轴形成用于头部进入头部的附接螺纹。
    • 6. 发明授权
    • Two stage snowthrower with impeller housing bypass
    • 两级推土机,带叶轮外壳旁路
    • US06938364B2
    • 2005-09-06
    • US10601313
    • 2003-06-20
    • Donald M. White, IIIDavid A. MurrayJerold F. Patrin
    • Donald M. White, IIIDavid A. MurrayJerold F. Patrin
    • E01H5/04E01H5/09
    • E01H5/04E01H5/098
    • A two stage snowthrower includes snow removal components comprising a transversely extending auger housed within an auger housing. A generally cylindrical impeller housing is joined to a rear wall of the auger housing. A rotatable impeller within the impeller housing rotates within a circular cross-section of the impeller housing to throw snow upwardly through a snow discharge pipe. The snow discharge pipe is offset to one side of the impeller housing such that a first side wall of the snow discharge pipe is longer than a second side wall of the snow discharge pipe. The first side wall of the snow discharge pipe is joined to the circular cross-section of the impeller housing along a first edge where snow is thrown upwardly by the impeller. The circular cross-section of the impeller housing resumes at a second edge which is displaced laterally and below a lower edge of the second side wall.
    • 一个双级积雪车包括除雪部件,其包括容纳在螺旋推运器壳体内的横向延伸的螺旋推运器。 大致圆柱形的叶轮壳体连接到螺旋推运器壳体的后壁。 叶轮壳体内的可旋转叶轮在叶轮壳体的圆形横截面内旋转,以将雪向上通过排雪管。 排雪管偏移到叶轮壳体的一侧,使得排雪管的第一侧壁比排雪管的第二侧壁长。 雪排出管的第一侧壁沿着第一边缘与叶轮壳体的圆形横截面相连接,其中雪被叶轮向上抛出。 叶轮壳体的圆形横截面在第二边缘处重新开始,该第二边缘在第二侧壁的下边缘处横向移动并且在其下边缘处。
    • 8. 发明授权
    • Cruise control system for a vehicle
    • 车辆巡航控制系统
    • US5934400A
    • 1999-08-10
    • US40625
    • 1998-03-18
    • Glenn L. LarsenDavid A. MurrayDonald M. White, III
    • Glenn L. LarsenDavid A. MurrayDonald M. White, III
    • B60K26/00B60K31/02
    • B60K31/02B60K26/00B60Y2200/22B60Y2200/223
    • A cruise control system for a vehicle comprises an accelerator linkage that is linked to the input lever of a variable speed transmission. The accelerator linkage is biased to neutral, but can be moved against the bias by an operator who pushes down on an accelerator. A cruise control link which is separate from the accelerator linkage has one end coupled to the accelerator linkage by a pin and slot connection. The cruise control link can be locked in a fixed position by an electromagnet that can be selectively energized by the operator. A spring normally keeps the pin on the cruise control link in engagement with a forward end of the slot carried on the accelerator linkage to prevent the accelerator linkage from returning to neutral when the cruise control link is locked in place by the electromagnet. However, the operator can temporarily increase the vehicle speed since additional forward movement of the accelerator linkage is permitted by the length of the slot. This additional forward movement of the accelerator linkage does not lose or destroy the current fixed setting of the cruise control link.
    • 用于车辆的巡航控制系统包括连接到变速传动装置的输入杆的加速器联动装置。 加速器连杆被偏压到中立,但是可以通过下推加速器的操作者抵抗偏压来移动。 与加速器联动分离的巡航控制连杆具有通过销和槽连接件联接到加速器联动装置的一端。 巡航控制链路可以通过可由操作者选择性地供电的电磁体锁定在固定位置。 弹簧通常将引导件保持在巡航控制链路上,与加速器联动装置上承载的槽的前端接合,以防止当巡航控制链路被电磁铁锁定就位时加速器联动返回中立。 然而,由于加速器连杆的额外向前运动允许槽的长度,所以操作者可以临时增加车辆速度。 加速器联动装置的这种额外的向前运动不会损失或破坏巡航控制连杆的当前固定设置。
    • 9. 发明授权
    • Filament trimmer head
    • 细丝修剪头
    • US5749148A
    • 1998-05-12
    • US469105
    • 1995-06-06
    • Donald M. White, IIIChris A. Wadzinski
    • Donald M. White, IIIChris A. Wadzinski
    • A01D34/416A01D34/67B26B27/00
    • A01D34/4163A01D34/416
    • A filament trimmer has an improved trimmer head. The trimmer head includes a spool having crush ribs on its core to prevent contraction of the filament line from warping or otherwise damaging the spool. A slot shaped exit aperture is provided in the head which can be opened up when the head is disassembled to allow the filament line to be more easily placed therein, but which will be closed when the head is fully assembled and will constrain the line against excessive vertical movement. The head includes a line indexing system for feeding out additional line in which one of the groups of the conventional teeth in such system are vertically spaced away from the spool flanges and are placed on a spool core extension. A dirt seal is provided to help prevent from passing around the ground engaging member of the indexing system. Finally, the head includes a self threading drive shaft that forms the attachment threads for the head into the head when the head is threaded onto the drive shaft.
    • 长丝修剪器具有改进的修剪器头部。 修剪器头部包括在其芯部上具有压碎肋的卷轴,以防止细丝线收缩而不会翘曲或以其他方式损坏卷轴。 在头部设置有槽形的出口孔,当头部被拆卸时,该孔可以被打开以允许细丝线更容易地放置在其中,但是当头部被完全组装时将封闭,并且将限制线过度 垂直运动。 头部包括用于输出附加线的线分度系统,其中这种系统中的常规齿的一组中的一组与卷轴凸缘垂直间隔开并且放置在卷轴芯延伸部上。 提供防尘密封以帮助防止分拣系统的地面接合构件的穿过。 最后,头部包括一个自动穿线驱动轴,当头部被螺纹连接到驱动轴上时,该螺纹驱动轴形成用于头部进入头部的附接螺纹。