Mechanism for spreading plastic sheet over greenhouse comprises bars attached to ends of sheet, one rotating and one fixed, rotating bar being driven by motor operating system of pulleys and cables to raise and lower sheet

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专利权人:

CURAU ANTOINE

发明人:

CURAU ANTOINE

申请号：

FR20000013655

公开号：

FR2815514(A1)

申请日:

2000.10.23

申请国别(地区):

法国

年份:

2002

代理人:

摘要：

The mechanism for spreading plastic sheet over a greenhouse comprises bars (5, 6) attached to either end of the sheet. One of these can rotate while the other is fixed. The rotating bar is driven by a motor (7) which operates a system of pulleys and cables (9, 10, 19) to raise and lower the sheet.

来源网站：

中国工程科技知识中心

来源网址：

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