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公开(公告)号：WO0146000A3
公开(公告)日：2002-02-07
申请号：PCT/US0030830
申请日：2000-11-09
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
CPC classification number: A01B49/022 , A01B33/082 , B62D49/065
Abstract: A tiller assembly (30) includes a tine assembly (36) that is rotatably connected to a tiller body (34) and the tine assembly (36) includes at least one tine for use in tilling associated soil. A hydraulic system (50) is operatively connected to the tine assembly (36) and includes a hydraulic pump (32), a hydraulic motor (42) for use in rotating the tine assembly (36) in first and second directions, a control valve (44), and hydraulic hose for use in communicating hydraulic fluid (48) between the hydraulic pump (32), the hydraulic motor (42), and the control valve (44). The control valve (44) may be positioned on-the-go into a first position thereby causing the tine assembly (36) to rotate in a first direction and into a second position thereby causing the tine assembly (36) to rotate in a second direction. The tiller assembly (30) may also include a roller assembly (70) that has a roller frame (72) pivotably connected to the tiller body (34). The roller assembly (70) also includes a roller (78) that is rotatably connected to the roller frame (72) and a spring for use in maintaining the roller (78) against the soil. The roller (78) has a contact surface for use in repacking the tilled soil. The spring permits the roller frame (72) to move with respect to the tiller body (34).
Abstract translation: 耕耘机组件（30）包括可旋转地连接到耕耘机主体（34）的齿组件（36），并且齿组件（36）包括用于耕作相关土壤的至少一个齿。 液压系统（50）可操作地连接到齿轮组件（36），并且包括用于在第一和第二方向上旋转齿轮组件（36）的液压泵（32），液压马达（42），控制阀 （44）和用于连接液压泵（32），液压马达（42）和控制阀（44）之间的液压流体（48）的液压软管。 控制阀（44）可以被放置在第一位置，从而使得齿组件（36）在第一方向上旋转并进入第二位置，从而使齿组件（36）在第二位置旋转 方向。 舵柄组件（30）还可以包括具有可枢转地连接到耕耘机主体（34）上的滚轮框架（72）的滚子组件（70）。 辊组件（70）还包括可旋转地连接到辊框架（72）的辊（78）和用于将辊（78）保持抵靠土壤的弹簧。 辊（78）具有用于重新包装耕作土壤的接触表面。 弹簧允许滚轮架（72）相对于耕作机构（34）移动。
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公开(公告)号：AU1592701A
公开(公告)日：2001-07-03
申请号：AU1592701
申请日：2000-11-09
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
Abstract: 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.
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公开(公告)号：WO0126443A9
公开(公告)日：2002-11-14
申请号：PCT/US0025768
申请日：2000-09-18
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
CPC classification number: A01B33/103 , A01B33/142 , A01B45/026
Abstract: A tine assembly (38) for a cultivator (20) includes a first tine member (48) having a plurality of radially extending non-planar tines (70). At least two tines (70) on each tine member (48) differ in shape from the remaining tines (70). The tine assembly (38) may include a second tine member (52) which is shaped like a mirror-image of the first tine member (48). When assembled on a shaft (28), the second tine member (52) is off-set from the first tine member (48) so that tines (80) on alternating tine members (48, 52) contact the ground as the shaft (28) rotates.
Abstract translation: 用于耕耘机（20）的齿组件（38）包括具有多个径向延伸的非平面齿（70）的第一齿构件（48）。 每个齿构件（48）上的至少两个齿（70）的形状与剩余的齿（70）不同。 齿组件（38）可以包括形状类似于第一齿构件（48）的镜像的第二齿构件（52）。 当组装在轴（28）上时，第二齿构件（52）从第一齿构件（48）脱离，使得交替齿构件（48,52）上的尖齿（80）作为轴接触地面 28）旋转。
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公开(公告)号：DE60110783D1
公开(公告)日：2005-06-16
申请号：DE60110783
申请日：2001-02-14
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
IPC: A01G1/12
Abstract: 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.
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公开(公告)号：CA2206107A1
公开(公告)日：1998-01-07
申请号：CA2206107
申请日：1997-05-26
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
Abstract: In a lawn and garden device having a fixed rear axle and a pivoting front wheel, the improvement of an interlock means so as to prevent the pivoting of the front wheel in respect to the frame of the device.
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Patent Agency Ranking
公开(公告)号：AU3821101A
公开(公告)日：2001-12-17
申请号：AU3821101
申请日：2001-02-14
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
IPC: A01G1/12
Abstract: 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.
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公开(公告)号：AU4605901A
公开(公告)日：2001-04-23
申请号：AU4605901
申请日：2000-09-18
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
Abstract: 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.
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公开(公告)号：CA2161610A1
公开(公告)日：1996-08-02
申请号：CA2161610
申请日：1995-10-27
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
IPC: B02C13/04 , B02C13/282 , B02C18/14 , B27L11/00
Abstract: 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.
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公开(公告)号：DE602006008610D1
公开(公告)日：2009-10-01
申请号：DE602006008610
申请日：2006-04-26
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN , SMITH PHILIP B
IPC: A01B33/08
Abstract: 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.
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公开(公告)号：DE60110783T2
公开(公告)日：2006-01-19
申请号：DE60110783
申请日：2001-02-14
Applicant: MTD PRODUCTS INC
Inventor： FIRDAUS USMAN
IPC: A01G1/12
Abstract: 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.
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