FIELD: transport.
SUBSTANCE: proposed device is composed of the casing whereat the plates with tenons are secured and connected in pantograph-like manner. Said plates as-folded are locked by retainers while at fall they are released to be instantly unfolded by four helical springs.
EFFECT: possibility of forced stop.
1 dwg
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Authors
Dates
2015-06-27—Published
2014-01-09—Filed