Garden row locator and marker

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专利权人:

BROOM, D. DWAYNE

发明人:

BROOM, D. DWAYNE

申请号：

US19770812451

公开号：

US4141146(A)

申请日:

1977.07.05

申请国别(地区):

美国

年份:

1979

代理人:

摘要：

A device for planting a garden in straight rows comprising two stakes and a line held taut between the stakes, one end of the line being wound around a spool mounted to a clip of adjustable height on one stake and the other end of the line being affixed to a clip of adjustable height on the other stake. The device further comprises a distance measuring means attached to at least one of the stakes to locate the next row.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/