FIELD: means of protection.
SUBSTANCE: mechanical self-rescuer by Bobrovskikh comprises trigger self-blocking mechanism, including the following components arranged with the possibility of rotation around their axis - guiding run-through-pressing stainless steel roller with radius of less than halliard diametre, bracket and coil, which are reliably fixed with safety hook.
EFFECT: reliability and convenience of use.
6 cl, 18 dwg
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