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Mortar Shovel
专利权人:
German Cantu
发明人:
German Cantu
申请号:
US14146210
公开号:
US20140191521A1
申请日:
2014.01.02
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A shovel comprising an elongate handle having two ends, a first section, a second section aligned with and spaced from the first section, a third section connected between the first section and the second section, the elongate handle forming an intermediate grip opening in a first direction a shovel head connected to one end of the elongate handle. An embodiment of the present invention includes a blade having a concave surface having a surface area and opening in a second direction generally opposite the first direction, and a convex surface opposing the concave surface. In this alternative embodiment, the blade has a plurality of holes extending between the concave surface and the convex surface and wherein the ratio of the size of all of the openings to the surface area of the concave surface is twenty-five percent.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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