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公开(公告)号：US5119744A
公开(公告)日：1992-06-09
申请号：US434758
申请日：1989-11-13
申请人： Robert C. Comer
发明人： Robert C. Comer
CPC分类号： A01B45/02 , A01C23/026 , Y10S47/10
摘要： A method and apparatus for treating turf to reduce the general soil density in which turfgrasses grow and thus promote turf growth and turf drainage which includes injecting through the turf into the soil a pattern of jets of generally incompressible liquid at a jet pressure and jet spacing to provide a lateral dispersion of the liquid within the soil such that the liquid dispersion from adjacent jets coact with one another to lift and fracture the soil. A plurality of small diameter nozzles are mounted on a movable frame generally transverse to the direction of travel of the frame. A pressurized fluid source is mounted on the frame and connected through a control device to the nozzles. The control device control the flow of liquid from the pressure source to the nozzles to produce periodic, relatively small cross-sectional, slugs, or jets, of liquid from the nozzles through the turf into the soil. The pressure on each slug of liquid is such that the liquid penetrates through the turf into the soil and also disperses generally laterally within the soil. The spacing of the nozzles and the speed of travel of the frame are such the lateral dispersion of each slug of liquid coacts with adjacent slugs to lift and fracture the soil, thereby reducing the compaction, or general density, of the soil and promoting turf growth and drainage.
摘要翻译： 一种用于治疗草皮以减少草坪草生长的一般土壤密度并因此促进草皮生长和草皮排水的方法和装置，其包括通过草皮将喷雾通过草坪喷射到土壤中，喷射压力和喷射间距为大致不可压缩液体的喷射模式， 提供液体在土壤中的横向分散，使得来自相邻射流的液体分散体彼此共同作用以提升和破碎土壤。 多个小直径喷嘴安装在大致横向于框架行进方向的可移动框架上。 加压流体源安装在框架上并通过控制装置连接到喷嘴。 控制装置控制液体从压力源到喷嘴的流动，以产生液体从喷嘴通过草皮到土壤中的周期性，相对较小的横截面，小块或喷嘴。 每个液体液体的压力使得液体渗透通过草皮进入土壤并且通常横向分散在土壤中。 喷嘴的间距和框架的行进速度使得每个液体块的侧向分散与相邻的块塞共同作用以提升和破碎土壤，从而减少土壤的压实或一般密度并促进草皮生长 和排水。
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公开(公告)号：US4374465A
公开(公告)日：1983-02-22
申请号：US344910
申请日：1982-02-02
申请人： Robert C. Comer
发明人： Robert C. Comer
IPC分类号： A01D34/416 , A01D55/18
CPC分类号： A01D34/416
摘要： A rotary lawn mower (2) has a rigid cutting blade (6) rotatable in a housing (4). A filament holder (12) is releasably attached to blade (6) through aperture (16) by mounting means consisting of tab (22), neck (24), and collar (26). Filament holder (12) releasably contains a filament (14) which extends beyond housing (4) and provides a trimming function outside housing (4).
摘要翻译： 旋转割草机（2）具有可在壳体（4）中旋转的刚性切割刀片（6）。 灯头保持器（12）通过由突片（22），颈部（24）和套环（26）组成的安装装置通过孔（16）可释放地附接到刀片（6）。 灯头保持器（12）可释放地包含延伸超出外壳（4）的灯丝（14），并且在外壳（4）外部提供修整功能。
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公开(公告)号：US4235068A
公开(公告)日：1980-11-25
申请号：US821144
申请日：1977-08-02
申请人： Robert C. Comer
发明人： Robert C. Comer
IPC分类号： A01D34/416 , A01D35/262
CPC分类号： A01D34/416
摘要： A lawnmower using flexible non-metallic filaments as cutting elements is disclosed. In certain specific embodiments the lawnmower may include a stored supply of four lengths of such filament, the free ends of which protrude from a member driven about a nearly vertical axis. Means for metering out line are also disclosed. The mower may include an axial flow fan mounted above the flexible filament cutting apparatus for the purpose of agitating uncut grass and for the purpose of evacuating cut grass particles from the mower housing.
摘要翻译： 公开了使用柔性非金属丝作为切割元件的割草机。 在某些具体实施例中，割草机可以包括存储的四个长度的这种灯丝的供应，其自由端从围绕几乎竖直轴线驱动的部件突出。 还公开了用于计量出线的装置。 割草机可以包括安装在柔性细丝切割装置上方的轴流风扇，用于搅拌未切割的草，并且用于从割草机壳体排出切草草颗粒。
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公开(公告)号：US5207168A
公开(公告)日：1993-05-04
申请号：US930974
申请日：1992-08-17
申请人： Robert C. Comer
发明人： Robert C. Comer
CPC分类号： A01B45/02 , A01C23/026
摘要： A method and apparatus for treating turf to reduce the general soil density in which turfgrasses grow and thus promote turf growth and turf drainage which includes injecting through the turf into the soil a pattern of jets of generally incompressible liquid at a jet pressure and jet spacing to provide a lateral dispersion of the liquid within the soil such that the liquid dispersion from adjacent jets coact with one another to lift and fracture the soil. A plurality of small diameter nozzles are mounted on a movable frame generally transverse to the direction of travel of the frame. A pressurized fluid source is mounted on the frame and connected through a control device to the nozzles. The control device control the flow of liquid from the pressure source to the nozzles to produce periodic, relatively small cross-sectional, slugs, or jets, of liquid from the nozzles through the turf into the soil. The pressure on each slug of liquid is such that the liquid penetrates through the turf into the soil and also disperses generally laterally within the soil. The spacing of the nozzles and the speed of travel of the frame are such the lateral dispersion of each slug of liquid coacts with adjacent slugs to lift and fracture the soil, thereby reducing the compaction, or general density, of the soil and promoting turf growth and drainage.
摘要翻译： 一种用于治疗草皮以减少草坪草生长的一般土壤密度并因此促进草皮生长和草皮排水的方法和装置，其包括通过草皮将喷雾通过草坪喷射到土壤中，喷射压力和喷射间距为大致不可压缩液体的喷射模式， 提供液体在土壤中的横向分散，使得来自相邻射流的液体分散体彼此共同作用以提升和破碎土壤。 多个小直径喷嘴安装在大致横向于框架行进方向的可移动框架上。 加压流体源安装在框架上并通过控制装置连接到喷嘴。 控制装置控制液体从压力源到喷嘴的流动，以产生液体从喷嘴通过草皮到土壤中的周期性，相对较小的横截面，小块或喷嘴。 每个液体液体的压力使得液体渗透通过草皮进入土壤并且通常横向分散在土壤中。 喷嘴的间距和框架的行进速度使得每个液体块的侧向分散与相邻的块塞共同作用以提升和破碎土壤，从而减少土壤的压实或一般密度并促进草皮生长 和排水。
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公开(公告)号：US4694528A
公开(公告)日：1987-09-22
申请号：US886815
申请日：1986-07-18
CPC分类号： A47L5/14
摘要： A convertible vacuum-blower which includes a housing having an air inlet and an air outlet is disclosed. A motor and an impeller are supported in the housing. The impeller is supported for rotary motion and is driven by the motor. The impeller is in fluid communication with both the air inlet and the air outlet. The air inlet is selectively covered by an apertured, removable air inlet cover. A mechanism removably secures the air inlet cover to the housing. A switch mechanism is carried by the housing and allows the motor to operate when the air inlet is covered, but not when the air inlet is uncovered. A first switch actuator is carried by the air inlet cover for actuating the switch mechanism when the cover is secured to the housing covering the air inlet. A removable vacuum nozzle also includes a second switch actuator for actuating the switch means when the vacuum nozzle is secured to the housing covering the air inlet.
摘要翻译： 公开了一种包括具有空气入口和空气出口的壳体的敞篷式真空鼓风机。 电机和叶轮支撑在外壳中。 叶轮支撑旋转运动，由电机驱动。 叶轮与空气入口和出气口流体连通。 空气入口由有孔的可拆卸空气入口盖选择性地覆盖。 机构将进气口罩可拆卸地固定在壳体上。 开关机构由壳体承载，并且允许电机在空气入口被覆盖时进行操作，而不是当空气入口未被覆盖时操作。 当盖被固定到覆盖空气入口的壳体时，第一开关致动器由进气盖承载，用于致动开关机构。 可拆卸真空喷嘴还包括第二开关致动器，用于当真空喷嘴固定到覆盖空气入口的壳体时致动开关装置。
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公开(公告)号：US4325195A
公开(公告)日：1982-04-20
申请号：US211985
申请日：1980-12-01
申请人： Robert C. Comer
发明人： Robert C. Comer
摘要： A snow thrower having an impeller which has forward facing blades which extend a short distance inward from the periphery of the impeller is disclosed. The impeller blades are substantially rigid during operation, and the impeller cooperates with two side walls and a continuous rear wall which form the active impeller housing. The continuous rear wall has a first portion whose cross section is a circular arc and generally follows the periphery of the impeller mounted within it. The rear wall has a second portion which extends forward and upward to define a substantially planar snow guiding surface which, in normal operation, guides the snow forwardly and upwardly as it leaves the area of interaction with the impeller.
摘要翻译： 公开了一种具有从叶轮的周边向内延伸短距离的向前叶片的叶轮的积雪机。 叶轮叶片在操作过程中基本上是刚性的，并且叶轮与两个侧壁和形成主动叶轮壳体的连续后壁协作。 连续后壁具有第一部分，其横截面是圆弧并且通常沿着安装在其内的叶轮的周边。 后壁具有第二部分，其向前和向上延伸以限定基本上平面的导雪表面，其在正常操作中在离开与叶轮相互作用的区域时向前和向上引导雪。
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公开(公告)号：US4282653A
公开(公告)日：1981-08-11
申请号：US3242
申请日：1979-01-15
IPC分类号： A01D34/416 , A01D50/00
CPC分类号： A01D34/4168
摘要： A discrete cutting element (18) including a plurality of cutting filaments (26) for use in a vegetation line trimmer (10). In a preferred embodiment provided filaments (26) emanate from a common locus (27) at a filament holder (16) for rotation about the holder's axis of rotation. Certain embodiments can include axially fixed apparatus for conducting the associated filaments (26) away from a spool-like member (23) around which the filaments (26) are wound, and aiding divergence of the filaments.
摘要翻译： 一种离散的切割元件（18），包括用于植被线修剪器（10）中的多个切割细丝（26）。 在优选实施例中，提供的细丝（26）从灯丝保持器（16）处的公共轨迹（27）发出，用于围绕保持器的旋转轴线旋转。 某些实施例可以包括轴向固定的装置，用于将相关联的细丝（26）远离缠绕细丝（26）的线轴状构件（23）和辅助发丝。
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公开(公告)号：US4280276A
公开(公告)日：1981-07-28
申请号：US113206
申请日：1980-01-18
申请人： Robert C. Comer , Thomas F. Kruzel
发明人： Robert C. Comer , Thomas F. Kruzel
CPC分类号： A01G3/053
摘要： A reciprocating cutter incorporating at least one saw blade and being optionally provided with a cooperating guard. The guard provides a protective cover for the blade or blades of the cutter and, through a spring-loaded biasing thereof, cooperates with the cutter to both stabilize the blade or blades and the workpiece and provide a degree of control for the movement of the cutter through the workpiece. The cutter, which may utilize a single reciprocating blade with which a spring-biased guard cooperates, in most instances will comprise a pair of alternately reciprocating blades, the teeth of which are selectively set to define a single clean kerf in the workpiece. The blade or blades can comprise the sole cutting device in a hand-held motor-driven implement, or alternatively can constitute an attachment, either permanent or removable, for a hand-held motor-driven hedge trimmer incorporating reciprocating trimmer blades to which the saw blades will be operably joined for simultaneous reciprocation therewith.
摘要翻译： 一种包括至少一个锯片的往复式切割器，并且可选地设置有配合的防护装置。 防护罩为刀具的刀片或刀片提供保护盖，并且通过其弹簧加载的偏置力与刀具配合以稳定刀片或刀片和工件，并为刀具的运动提供一定程度的控制 通过工件。 在大多数情况下，可以使用弹簧偏置保护罩配合的单个往复式叶片的切割器将包括一对交替往复运动的叶片，其齿被选择性地设置成在工件中限定单个干净的切口。 刀片或刀片可以包括在手持式电动驱动工具中的鞋底切割装置，或者替代地可以构成用于手持电动机驱动的树篱修剪器的永久或可移除的附件，其包括往复式修剪刀片，锯 叶片将可操作地连接以与其同时往复运动。
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公开(公告)号：US5322418A
公开(公告)日：1994-06-21
申请号：US978851
申请日：1992-11-19
申请人： Robert C. Comer
发明人： Robert C. Comer
CPC分类号： B05B9/0413 , A01C23/028 , F04B19/003 , F04B19/22 , F04B9/042 , F04B9/127
摘要： A liquid pumping apparatus and pump method is provided in which a reciprocal drive piston is carried in a pump body and is reciprocated back and forth by a mechanical power source such as a crankshaft. The pump body has a pump chamber which receives the liquid to be pumped. A pump piston which is separate from the drive piston is operatively connected to the pump chamber to expand and contract the volume of the pump chamber to first fill the pump chamber with liquid and then expel the liquid from the pump chamber in a pumping action. The pump piston is coupled to the drive piston for movement therewith during a portion of a pump cycle such that the drive piston is effective to move the pump piston in its volume expanding direction relative to the pump chamber at a first speed. Then, the connection between the pump piston and drive piston is broken and the pump piston is accelerated in its volume contracting direction to a second substantially faster speed to pump the liquid out of the pump chamber.
摘要翻译： 提供了一种液体泵送装置和泵方法，其中往复驱动活塞被携带在泵体中并且通过诸如曲轴的机械动力来回往复运动。 泵体具有容纳要泵送的液体的泵室。 与驱动活塞分离的泵活塞可操作地连接到泵室以膨胀和收缩泵室的体积，以首先用液体填充泵室，然后以泵送动作从泵室排出液体。 在泵循环的一部分期间，泵活塞联接到驱动活塞以与其一起运动，使得驱动活塞有效地以第一速度相对于泵室在其体积扩张方向上移动泵活塞。 然后，泵活塞和驱动活塞之间的连接被破坏，并且泵活塞在其体积收缩方向上被加速到第二快得多的速度以将液体泵出泵室。
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公开(公告)号：US4293041A
公开(公告)日：1981-10-06
申请号：US39944
申请日：1979-05-17
摘要： A hand-held power driven cultivator incorporating a pair of ground working implements or tillers mounted on a pair of laterally spaced vertical shafts depending from a motor and drive train enclosing housing. The tillers are counter-rotated and include interdigitating tines which engage and move the earth forwardly. A barrier freely surrounds each tiller supporting and driving shaft, and completely encloses the shaft between the tiller and the overlying housing. A scraper blade is associated with each barrier and includes a scraping edge spaced slightly from the barrier so as to enhance the ability of the barrier to repel or prevent the accumulation of weeds, roots, debris, and the like. Support and manipulation of the housing is provided for by an elongated handle including an upper fixed hand grip and power switch, and a lower adjustable hand grip.
摘要翻译： 一种手持动力驱动的耕耘机，其包括一对地面工作装置或分蘖，其安装在一对横向间隔开的垂直轴上，这取决于包围壳体的电机和传动系。 分蘖反向旋转，包括交叉拨叉，向前移动地球。 屏障可以自由地围绕每个耕耘机支撑和驱动轴，并且完全包围在耕耘机和上覆壳体之间的轴。 刮刀与每个挡板相关联并且包括与屏障稍微间隔开的刮刃，以便增强屏障排斥或防止杂草，根，碎屑等积聚的能力。 壳体的支撑和操纵由细长的把手提供，其包括上固定手柄和电源开关以及下可调手柄。
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