Plant husbandry – Greenhouse – apparatus or method
Patent
1981-02-18
1982-09-14
Bagwill, Robert E.
Plant husbandry
Greenhouse, apparatus or method
52 66, A01G 914
Patent
active
043488331
ABSTRACT:
Apparatus for opening and closing the flexible screen of a greenhouse or the like include an elongated driving shaft rotatably mounted about a fixed axis of rotation, a prime mover such as a reversible motor for selectively rotating the driving shaft in either one of the normal and reverse directions, transmission gear apparatus operatively connected to the driving shaft, an elongated flexible driving shaft operatively connected at one end to the transmission gear apparatus adapted to be rotated through the transmission gear apparatus upon the rotation of the driving shaft, reduction gear apparatus operatively connected to the other end of the elongated flexible driving shaft and a winding rod operatively connected at one end to the reduction gear apparatus and adapted to be rotated through the reduction gear apparatus upon rotation of the flexible driving shaft. The reduction gear apparatus is mounted for movement with respect to the greenhouse according to the rotary motion of the winding rod and which prevents spontaneous rotation of the reduction gear apparatus.
REFERENCES:
patent: 3481073 (1969-12-01), Yoshida et al.
patent: 4067347 (1978-01-01), Lipinski
Bagwill Robert E.
Seiwa Kagaku Kabushiki Kaisha
LandOfFree
Opening and closing a flexible screen in a greenhouse or the lik does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Opening and closing a flexible screen in a greenhouse or the lik, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Opening and closing a flexible screen in a greenhouse or the lik will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2149988