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    • 12. 发明授权
    • Lawn mower blade improvement
    • 草坪割草机改良
    • US06978590B1
    • 2005-12-27
    • US10993621
    • 2004-11-19
    • John Graham
    • John Graham
    • A01D34/52A01D34/73
    • A01D34/73
    • A lawn mower blade assembly is described that comprising a generally flat, elongated blade having a central mounting opening for mounting of the blade to a rotating motor shaft of a lawn mower. The blade further includes a plurality of bit openings positioned along the blade, and a plurality of elongated, generally cylindrical bits for insertion into the bit openings. Each bit has a head and a plurality of rib protrusions located slightly away from the head at one end of the bit. Each bit is inserted into one of the bit openings from the bottom side of the blade, past the rib protrusions, and snapped into place against the head. As such, each bit is held in place in the bit opening by the rib protrusions and the head. The bit, once installed, each extend generally perpendicularly from the top surface of the blade. The bits are each long enough such that when the bald assembly is installed in a lawm mower, the distal end of the bits make contact with and bend over slightly against an underside of a blade compartment of the lawn mower. When the blade is rotating, grass or other lawn debris, particularly wet such debris, is prevented from sticking to and building up upon the underside. The blade may further include a lifted flange at trailing edges of the blade that provide a high velocity air stream within a blade compartment of the lawn mower to further prevent the build-up of wet grass or the like within the compartment.
    • 描述了一种割草机叶片组件,其包括具有用于将叶片安装到割草机的旋转电机轴的中心安装开口的大致扁平的细长叶片。 叶片还包括沿着叶片定位的多个钻头开口,以及多个细长的,大致圆柱形的钻头,用于插入钻头孔中。 每个钻头在钻头的一端处具有位于稍微远离头部的头部和多个肋突起。 每个钻头从刀片的底侧插入到一个钻头开口中,穿过肋突起,并且卡在头顶上。 因此,每个钻头通过肋突起和头部保持在钻头开口中的适当位置。 该钻头一旦安装就从叶片的顶面大致垂直延伸。 这些钻头各自足够长,使得当秃头组件安装在割草机中时,钻头的远端与割草机的刀片隔室的下侧略微接触并弯曲。 当叶片旋转时,防止草或其他草坪碎屑,特别是湿的这种碎屑粘在底面上并积聚在其上。 叶片还可以包括在叶片的后缘处的提升的凸缘,其在割草机的叶片隔室内提供高速空气流,以进一步防止湿草等在隔室内积聚。
    • 14. 发明申请
    • Naphthalene tetracarboxylic diimide dimers
    • 萘四羧酸二酰亚胺二聚体
    • US20050004365A1
    • 2005-01-06
    • US10893637
    • 2004-07-16
    • Timothy BenderJohn GrahamJames Duff
    • Timothy BenderJohn GrahamJames Duff
    • G03G5/06C07D471/02
    • G03G5/0661
    • A compound having the Formula I wherein: R1 is independently selected from the group consisting of a straight chain alkyl group, a branched alkyl group, a cycloalkyl group, an alkoxy group, a monocyclic aromatic group, a polycyclic aromatic group, an alkylaryl group, or an arylalkyl group; R2 and R3 are independently selected from the group consisting of a straight chain alkyl group, a branched alkyl group, a cycloalkyl group, an alkoxy group, a monocyclic aromatic group, a polycyclic aromatic group, a heterocyclic group, an alkylaryl group, an arylalkyl group, an alkoxyaryl group, an arylalkoxy group, a halogen, and hydrogen; R4, R5, R6, R7, R8, R9, R10 and R11 are independently selected from the group consisting of a straight chain alkyl group, a branched alkyl group, a cycloalkyl group, an alkoxy group, a monocyclic aromatic group, a polycyclic aromatic group, an alkylaryl group, an arylalkyl group, an alkoxyaryl group, an arylalkoxy group, an aryloxy group, a halogen, and hydrogen.
    • 具有式I的化合物,其中:R 1独立地选自直链烷基,支链烷基,环烷基,烷氧基,单环芳基,多环芳基,烷芳基, 或芳基烷基; R2和R3独立地选自直链烷基,支链烷基,环烷基,烷氧基,单环芳基,多环芳基,杂环基,烷基芳基,芳基烷基 基团,烷氧基芳基,芳基烷氧基,卤素和氢; R4,R5,R6,R7,R8,R9,R10和R11独立地选自直链烷基,支链烷基,环烷基,烷氧基,单环芳基,多环芳族 烷基芳基,芳基烷基,烷氧基芳基,芳基烷氧基,芳氧基,卤素和氢。
    • 15. 发明授权
    • Method and apparatus for adjusting a tool cartridge, such as a cutter body
    • 用于调整工具盒的方法和装置,例如刀体
    • US06312200B1
    • 2001-11-06
    • US09452664
    • 1999-12-01
    • John GrahamRobert B. RaibleJohann S. Klimach
    • John GrahamRobert B. RaibleJohann S. Klimach
    • B23B3500
    • B23B29/03446Y10T408/03Y10T408/85892Y10T408/85895
    • An apparatus for radially adjusting a position of at least one tool cartridge includes a machine tool having rotatable, concentric, elongate, inner and outer drive spindles with at least one pocket formed in the outer drive spindle exposing at least one corresponding portion of the inner drive spindle. A wedge is disposed in each pocket for movement relative to the longitudinal axis of the inner drive spindle and is responsive to relative rotation of the inner drive spindle with respect to the outer drive spindle. Each wedge has a threaded surface operably engageable with either a threaded portion of the inner drive spindle, or a threaded portion of the outer drive spindle. A tool cartridge is operably engaged within each pocket of the outer drive spindle for radial movement relative to the longitudinal axis of the outer drive spindle in response to relative movement of the corresponding wedge. A ring spring is provided for urging each tool cartridge into operable engagement with the corresponding wedge with sufficient strength to maintain operable engagement at maximum rotational speed. A controller is provided for controlling the relative rotation of the inner spindle with respect to the outer spindle in response to at least one input signal. The controller can compensate for wear of a tool connected to the tool cartridge with relative rotation of the inner spindle with respect to the outer spindle. The controller can also adjustably position each tool cartridge with respect to the outer spindle during a machining operation.
    • 用于径向调节至少一个工具仓的位置的装置包括具有可旋转的,同心的,细长的内部和外部驱动主轴的机床,其中形成在外部驱动主轴中的至少一个凹坑暴露出内部驱动器的至少一个对应部分 主轴。 楔形物设置在每个凹槽中,用于相对于内部驱动主轴的纵向轴线运动,并且响应于内部驱动主轴相对于外部驱动主轴的相对旋转。 每个楔具有可与内驱动主轴的螺纹部分或外驱动主轴的螺纹部分可操作地接合的螺纹表面。 工具盒可操作地接合在外驱动主轴的每个凹槽内,用于响应于相应的楔的相对运动而相对于外驱动主轴的纵向轴线径向移动。 提供环形弹簧,用于以足够的强度推动每个工具盒与相应的楔形件可操作地接合,以在最大转速下保持可操作的接合。 提供控制器,用于响应于至少一个输入信号来控制内心轴相对于外心轴的相对旋转。 控制器可以通过内心轴相对于外心轴的相对转动来补偿连接到工具盒的工具的磨损。 在加工操作期间,控制器还可以相对于外主轴可调整地定位每个工具盒。
    • 20. 发明申请
    • THERMAL SUPERCONDUCTOR REFRIGERATION SYSTEM
    • 热超导体制冷系统
    • US20070209380A1
    • 2007-09-13
    • US11619493
    • 2007-01-03
    • Lynn MuellerJohn Graham
    • Lynn MuellerJohn Graham
    • F25D23/12F25B13/00
    • F25B47/025F25B25/005F25B2700/11F25D21/06F28F13/00F28F2013/001F28F2013/008
    • A superconductor refrigeration system incorporates thermal superconducting heat transfer. The system includes an intensifying heat exchanger, a refrigerating heat exchange coil formed from thermal superconductor material, and a dissipating heat exchange coil formed from thermal superconductor material. The system can also include a switch connected to condenser and evaporator heat exchange segments, a refrigeration switch segment and a dissipating switch segment such that in a first switch position a refrigerating mode is provided and in a second switch position a defrost mode is provided. Additional embodiments include thermostat controllers and blowers for enhanced control. Heat exchange and reuse is described for multiple heat exchangers coupled by thermal superconductors. A defrosting element is described for refrigeration heat exchangers.
    • 超导体制冷系统包含热超导热传递。 该系统包括增压热交换器,由热超导体材料形成的制冷热交换盘管,以及由热超导体材料形成的耗散热交换盘管。 该系统还可以包括连接到冷凝器和蒸发器热交换段的开关,制冷开关段和耗散开关段,使得在第一开关位置提供制冷模式,并且在第二开关位置提供除霜模式。 另外的实施例包括用于增强控制的恒温器控制器和鼓风机。 热交换和再利用被描述为由热超导体耦合的多个热交换器。 描述了用于制冷热交换器的除霜元件。