HRYCYK, ALEX;10, 15 - 45TH STREET N. E. MEDICINE HAT, ALBERTA
发明人:
HRYCYK, ALEX,10, 15 - 45TH STREET N. E. MEDICINE HAT, ALBERTA
申请号：
CA19780317733
公开号：
CA1083771(A1)
申请日:
1978.12.11
申请国别(地区):
加拿大
年份:
1980
代理人:
摘要：
The invention relates to a manually actuated device for use in affecting the opening and closing of filling covers and ventilation transoms found in agricultural structures such as grain bins or silos. The invention takes the form of a latching device mounted on the cover in conjunction with a support arrangement, the latching device being operated remotely from the roof of the structure by means of a cable, extending from the latching mechanism, through the support to a point adjacent the base of the structure.
