| 摘要 |
FIELD: folding fishing outfits and safety appliances. SUBSTANCE: torsion unit has flexible ring with rods placed in rigid ring. Novelty is that flexible ring is placed in groove of rigid ring provided with slots for flexible ring rods and that either part of rods or all rods are made of floatable material. EFFECT: enlarged operating capabilities, enhanced operating characteristics of torsion unit. 2 cl, 2 dwgi |
