FIELD: jewellery.
SUBSTANCE: present invention relates to jewellery industry, and more specifically to lock comprising tab and mating element, wherein mating element has at least one inlet hole and inner cavity for reception of tab, and tab has base containing central part protruding from base and having two lugs, two movable elements hingedly installed in lugs tab, and spring assembly installed between movable elements, wherein tab is made with possibility of detachable connection with mating element with possibility of fixation. Spring assembly is located in the through hole made in the central part of the tab base, and at compression provides the possibility of movable elements movement relative to the response element.
EFFECT: technical result consists in improvement of durability and reliability of lock, maintenance repairability, ease of manufacture, reduction of labour intensity of production, as well as ensuring high aesthetic attractiveness of lock.
20 cl, 4 dwg
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