FIELD: sports equipment. SUBSTANCE: end part of hook is made of an elastic material reinforced by stiff strips from a material which can take an arc-shaped form under the effect of electric current. Position of hook end portion is controlled by three-position switch connected electrically in parallel with strips across a battery. EFFECT: improved design. 3 dwg
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Authors
Dates
1995-06-09—Published
1992-11-05—Filed