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1. 发明授权

US5799365A Adjustable nozzle for chipper-shredder vacuum 失效
标题翻译：切碎机真空可调喷嘴
公开(公告)号：US5799365A
公开(公告)日：1998-09-01
申请号：US708371
申请日：1996-09-05
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： A01G1/12 , A47L9/02
CPC分类号： A01G1/125 , A47L9/02
摘要： An adjustable nozzle for use with a chipper-shredder vacuum for vacuuming debris from an outdoor surface is disclosed. The nozzle has an inlet for directing debris into the nozzle. The inlet has a first side, a middle section, a second side, and a non-inlet area. The first side has a first nozzle inlet, the middle section has a middle nozzle inlet, the second side has a second nozzle inlet. The cross-sectional areas of the first and second nozzle inlets are greater than the cross-sectional area of the middle nozzle inlet to equalize vacuum force throughout the nozzle. The nozzle further includes a nozzle extension that extends below the nozzle and an adjustment apparatus for adjusting the height of the nozzle extension from the ground to conform the chipper-shredder vacuum to the terrain. The nozzle extension may be raised for bumpy or thick terrain or lowered for a flat terrain.
摘要翻译：公开了一种用于从室外表面抽真空碎片式切碎机真空的可调节喷嘴。喷嘴具有用于将碎屑引导到喷嘴中的入口。入口具有第一侧，中部，第二侧和非入口区。第一侧具有第一喷嘴入口，中间部分具有中间喷嘴入口，第二侧具有第二喷嘴入口。第一和第二喷嘴入口的横截面面积大于中间喷嘴入口的横截面积，以平衡整个喷嘴的真空力。喷嘴还包括在喷嘴下方延伸的喷嘴延伸部和调节装置，用于调节喷嘴延伸部与地面的高度，以使切碎机切碎机真空与地形一致。喷嘴延伸部可能会凸起颠簸或较厚的地形或降低平坦的地形。

2. 发明授权

US07867117B2 In-line belt driven tille drive clutch 有权
标题翻译：直线式皮带驱动式分拣机驱动离合器
公开(公告)号：US07867117B2
公开(公告)日：2011-01-11
申请号：US11887708
申请日：2006-04-26
申请人： Usman Firdaus , Philip B. Smith
发明人： Usman Firdaus , Philip B. Smith
IPC分类号： F16H55/56
CPC分类号： A01B33/082 , A01D2034/6843
摘要： A clutching mechanism (20) for a cultivating tiller. The tiller has an engine (16) mounted on a frame (12) with a rotatable output shaft (40), a rotatable working shaft (22), and a transmission (18) operatively connecting to the working shaft, the transmission having a rotatable transmission shaft (42) coaxially aligned with the output shaft of the engine. The clutching mechanism includes an upper half pulley (52) attached to the output shaft, and a lower half pulley (54) attached to the transmission shaft, wherein the upper half pulley and lower half pulley are coaxially positioned in a facing but non-contacting relationship such that the upper half pulley is able to freely rotate with respect to the lower half pulley. The clutching mechanism also includes a belt (62) positioned between the upper half pulley and the lower half pulley, and a tensioning assembly (70) configured to selectively tension the belt so that the belt transmits rotation of the upper half pulley to the lower half pulley.
摘要翻译：一种用于栽培耕耘机的抓紧机构（20）。舵柄具有安装在具有可旋转输出轴（40）的框架（12）上的发动机（16），可旋转工作轴（22）和可操作地连接到工作轴的变速器（18），变速器具有可旋转传动轴（42）与发动机的输出轴同轴对准。离合机构包括安装在输出轴上的上半滑轮（52）和安装在传动轴上的下半滑轮（54），其中上半滑轮和下半滑轮同轴地位于面对但不接触关系使得上半皮带轮能够相对于下半滑轮自由旋转。离合机构还包括定位在上半带轮和下半带轮之间的带（62）和张紧组件（70），其被配置为选择性地张紧带，使得带将上半带轮的旋转传递到下半部滑轮。

3. 发明授权

US06739403B2 Tine assembly for a cultivator 有权
标题翻译：养殖机组装
公开(公告)号：US06739403B2
公开(公告)日：2004-05-25
申请号：US10341102
申请日：2003-01-13
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： A01B2102
CPC分类号： A01B45/026 , A01B33/103 , A01B33/142
摘要： A tine assembly for a cultivator includes a first tine member having a plurality of radially extending non-planar tines. At least two tines on each tine member differ in shape from the remaining tines. The tine assembly may include a second tine member which is shaped like a mirror-image of the first tine member. When assembled on a shaft, the second tine member is off-set from the first tine member so that tines on alternating tine members contact the ground as the shaft rotates.
摘要翻译：用于耕耘机的齿组件包括具有多个径向延伸的非平面齿的第一齿构件。每个齿构件上的至少两个尖齿在形状上与剩余的齿不同。齿组件可以包括形状类似于第一齿构件的镜像的第二齿构件。当组装在轴上时，第二齿构件从第一齿构件偏移，使得交替齿构件上的尖齿随着轴旋转而接触地面。

4. 发明授权

US5794306A Yard care machine vacuum head 失效
标题翻译：养护机真空头
公开(公告)号：US5794306A
公开(公告)日：1998-08-18
申请号：US657331
申请日：1996-06-03
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： A01G1/12 , A47L9/02 , E01H1/08
CPC分类号： A47L9/02 , A01G1/125 , E01H1/0836
摘要： An asymmetric opening at the bottom of a lawn and garden vacuum device equalizing the suction across the lateral width thereof.
摘要翻译：在草坪和花园真空装置的底部的不对称开口使横跨其横向宽度上的吸力相等。

5. 发明申请

US20090270210A1 In-Line Belt Driven Tille Drive Clutch 有权
标题翻译：在线皮带驱动耕耘机驱动离合器
公开(公告)号：US20090270210A1
公开(公告)日：2009-10-29
申请号：US11887708
申请日：2006-04-26
申请人： Usman Firdaus , Philip B. Smith
发明人： Usman Firdaus , Philip B. Smith
IPC分类号： F16H7/10 , A01B33/08
CPC分类号： A01B33/082 , A01D2034/6843
摘要： A clutching mechanism (20) for a cultivating tiller. The tiller has an engine (16) mounted on a frame (12) with a rotatable output shaft (40), a rotatable working shaft (22), and a transmission (18) operatively connecting to the working shaft, the transmission having a rotatable transmission shaft (42) coaxially aligned with the output shaft of the engine. The clutching mechanism includes an upper half pulley (52) attached to the output shaft, and a lower half pulley (54) attached to the transmission shaft, wherein the upper half pulley and lower half pulley are coaxially positioned in a facing but non-contacting relationship such that the upper half pulley is able to freely rotate with respect to the lower half pulley. The clutching mechanism also includes a belt (62) positioned between the upper half pulley and the lower half pulley, and a tensioning assembly (70) configured to selectively tension the belt so that the belt transmits rotation of the upper half pulley to the lower half pulley.
摘要翻译：一种用于栽培耕耘机的抓紧机构（20）。舵柄具有安装在具有可旋转输出轴（40）的框架（12）上的发动机（16），可旋转工作轴（22）和可操作地连接到工作轴的变速器（18），变速器具有可旋转传动轴（42）与发动机的输出轴同轴对准。离合机构包括安装在输出轴上的上半滑轮（52）和安装在传动轴上的下半滑轮（54），其中上半滑轮和下半滑轮同轴地位于面对但不接触关系使得上半皮带轮能够相对于下半滑轮自由旋转。离合机构还包括定位在上半带轮和下半带轮之间的带（62）和张紧组件（70），其被配置为选择性地张紧带，使得带将上半带轮的旋转传递到下半部滑轮。

6. 发明授权

US06840028B2 Impeller assembly 失效
标题翻译：叶轮总成
公开(公告)号：US06840028B2
公开(公告)日：2005-01-11
申请号：US10300278
申请日：2002-11-20
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： A01G1/12 , A01D34/03 , A01D34/43 , A01D34/64
CPC分类号： A01G20/43
摘要： A yard vacuum unit includes a deck including upper and lower housing members that form a discharge outlet and a nozzle operatively connected to the deck. An engine is mounted to the deck and includes a drive shaft. An impeller assembly is used to draw yard debris in through the nozzle and out through the discharge outlet and is positioned between the upper and lower housing members. The impeller assembly includes an impeller plate, a hub fixedly connected to the impeller plate, and a plurality of fan blades each having first and second ends and first and second sides. Each fan blade first end is fixedly connected to the hub all along the first end and each fan blade first side is fixedly connected to the impeller plate all along the first side. In this way, a continuous airtight seal is formed along the entire first end of each fan blade with the hub and along the entire first side with the impeller plate. Each second end extends to the outer periphery of the impeller plate.
摘要翻译：院子真空单元包括一个甲板，包括形成排出口的上部和下部壳体构件，以及可操作地连接到甲板上的喷嘴。发动机安装在甲板上并包括一个驱动轴。叶轮组件用于通过喷嘴将院子碎屑排出并通过排出口排出并位于上部和下部壳体构件之间。叶轮组件包括叶轮板，固定地连接到叶轮板的轮毂和多个风扇叶片，每个风扇叶片具有第一和第二端部以及第一和第二侧面。每个风扇叶片第一端沿着第一端固定地连接到轮毂，并且每个风扇叶片第一侧沿着第一侧固定地连接到叶轮板。以这种方式，沿着具有轮毂的每个风扇叶片的整个第一端和沿叶轮板的整个第一侧形成连续气密密封。每个第二端延伸到叶轮板的外周。

7. 发明授权

US6022285A Wheel drive system 失效
标题翻译：车轮驱动系统
公开(公告)号：US6022285A
公开(公告)日：2000-02-08
申请号：US682274
申请日：1996-07-17
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： A01D34/68 , F16H7/24 , F16H55/36 , F16H7/00 , B62K5/02
CPC分类号： A01D34/6806 , F16H55/36 , F16H7/24
摘要： A wheel drive system using an enlarged flywheel shaft to form an integral drive pulley for a wheel drive.
摘要翻译：一种轮驱动系统，其使用放大的飞轮轴形成用于车轮驱动的整体驱动皮带轮。

8. 发明授权

US5931396A Chipper shredder 失效
标题翻译：切碎机
公开(公告)号：US5931396A
公开(公告)日：1999-08-03
申请号：US910542
申请日：1997-07-18
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： B02C13/04 , B02C13/282 , B02C18/14
CPC分类号： B02C18/14 , B02C13/04 , B02C13/282 , B02C2201/066
摘要： An improved chipper shredder is disclosed having inwardly extending teeth affixed to the housing displaced from the discharge opening so as to provide additional shredding action.
摘要翻译：公开了一种改进的切碎机粉碎机，其具有固定到从排出口移位的壳体的向内延伸的齿，以提供额外的粉碎作用。

9. 发明授权

US06926092B2 Hydraulic tiller assembly 失效
标题翻译：液压耕耘机总成
公开(公告)号：US06926092B2
公开(公告)日：2005-08-09
申请号：US10394634
申请日：2003-03-21
申请人： Usman Firdaus
发明人： Usman Firdaus
IPC分类号： A01B33/08 , A01B49/02 , A01D33/02
CPC分类号： A01B33/082 , A01B49/022
摘要： A tiller assembly includes a tine assembly that is rotatably connected to a tiller body and the tine assembly includes at least one tine for use in tilling associated soil. A hydraulic system is operatively connected to the tine assembly and includes a hydraulic pump, a hydraulic motor for use in rotating the tine assembly in first and second directions, a control valve, and hydraulic hose for use in communicating hydraulic fluid between the hydraulic pump, the hydraulic motor, and the control valve. The control valve may be positioned on-the-go into a first position thereby causing the tine assembly to rotate in a first direction and into a second position thereby causing the tine assembly to rotate in a second direction. The tiller assembly may also include a roller assembly that has a roller frame pivotably connected to the tiller body. The roller assembly also includes a roller that is rotatably connected to the roller frame and a spring for use in maintaining the roller against the soil. The roller has a contact surface for use in repacking the tilled soil. The spring permits the roller frame to move with respect to the tiller body.
摘要翻译：耕耘机组件包括可旋转地连接到耕耘机主体的齿组件，并且齿组件包括至少一个用于耕耘相关土壤的齿。液压系统可操作地连接到齿轮组件，并且包括液压泵，用于在第一和第二方向上旋转齿轮组件的液压马达，控制阀和液压软管，用于在液压泵，液压马达和控制阀。控制阀可以被放置在第一位置，从而使得齿组件在第一方向上旋转并进入第二位置，从而使得齿组件沿第二方向旋转。舵柄组件还可以包括一个滚子组件，该滚子组件具有可枢转地连接到耕耘机主体的滚子框架。辊组件还包括可旋转地连接到辊框架的辊和用于将辊保持抵靠土壤的弹簧。辊具有用于重新包装耕作土壤的接触表面。弹簧允许滚子框架相对于耕作机构移动。

10. 发明授权

US06782582B2 Vacuum unit with hose attachment member 有权
标题翻译：带软管附件的真空装置
公开(公告)号：US06782582B2
公开(公告)日：2004-08-31
申请号：US10367212
申请日：2003-02-14
申请人： Usman Firdaus , John Dawson , Philip B. Smith , Jeffery R. Kucera
发明人： Usman Firdaus , John Dawson , Philip B. Smith , Jeffery R. Kucera
IPC分类号： A47L536
CPC分类号： A47L5/32 , A01G20/43
摘要： A vacuum unit used to vacuum lawn debris includes a vacuum unit body having at least first and second inlet openings and at least one flap that can be adjusted to selectively cover and open the second opening. The vacuum unit body includes a flap adjustment member that is located within the second opening and that includes a contact surface that contacts the flap. Preferably, the flap adjustment member has one end that is adapted to receive a vacuum hose. The flap adjustment member can be placed into a first position where it causes the flap to open the second opening and a second position where it permits the flap to cover the second opening. The vacuum hose has a handle that can be attached to the vacuum unit handle permitting the vacuum hose to remain permanently attached to the vacuum unit even when the vacuum hose is not being used.
摘要翻译：用于真空草坪碎片的真空单元包括具有至少第一和第二入口开口的至少一个真空单元本体，以及至少一个可以调整以选择性地覆盖和打开第二开口的挡板。真空单元主体包括位于第二开口内并且包括接触表面的接触表面的翼片调节构件。优选地，翼片调节构件具有适于接收真空软管的一端。翼片调节构件可以被放置在第一位置，在该第一位置使翼片打开第二开口，而第二位置允许翼片覆盖第二开口。真空软管具有可以连接到真空单元手柄的手柄，允许真空软管保持永久地附接到真空单元，即使当没有使用真空软管时。

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