Patent drawing - Force transducer. Trip-wire guiding device and protective fence including same. US 4643400 A. sheet4 Public domain image
Summary
Trip-wire guiding device and protective fence including same.
A trip-wire guiding device for a protective fence is described including an elongated member attachable to ground-anchoring means intermediate the fence poles and formed with a plurality of openings through which the tensioned trip-wire are passed for maintaining them in parallel space relationship.
Tags
patents
patent drawings
us patent office
chaim porat
security fences in israel
high resolution
inventions
Date
1987
Source
USPTO
Link
Copyright info
public domain