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    • 2. 发明授权
    • Power cultivator with debris excluding barrier and scraper
    • 电动耕耘机与碎片不包括障碍物和刮板
    • US4293041A
    • 1981-10-06
    • US39944
    • 1979-05-17
    • Ronald J. HolmstadtRobert C. Comer
    • Ronald J. HolmstadtRobert C. Comer
    • A01B1/06A01B33/06
    • A01B1/065A01B33/06
    • 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.
    • 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。
    • 10. 发明授权
    • Portable toilet
    • 便携式厕所
    • US07975325B2
    • 2011-07-12
    • US11544529
    • 2006-10-06
    • Ronald J. Holmstadt
    • Ronald J. Holmstadt
    • A47K11/02
    • E04H1/1216
    • A portable restroom is designed to provide features which enhance the comfort and appeal to users. These features include a rigid and stable structure, including a rigid floor structure, thus providing a sense of security to the user. Further, flushing and fresh water capabilities are achieved by using a dual tank structure made capable by the base design itself. This dual tank structure is achieved utilizing a unique siphoning pump to provide appropriate functionality.
    • 便携式洗手间旨在提供增强舒适性并吸引用户的功能。 这些特征包括刚性和稳定的结构,包括刚性地板结构,从而为用户提供安全感。 此外,通过使用由基座设计本身制成的双罐结构,可实现冲洗和淡水功能。 利用独特的虹吸泵实现这种双罐结构,以提供适当的功能。