FIELD: machine building.
SUBSTANCE: proposed device comprises with mounting shaft with axis and adapted for mounting spindle, holder making the opening to receive said adapter. Note here that said opening has the axis similar to that of mounting shaft. It includes also lock ring secured to inner surface of adapter receiving opening and arranged to prevent removal of adapter from said opening, adapter extractor arranged in aforesaid opening on the side of its base to displace ion directions of adapter mounting and withdrawal, working coupling attached to holder to displace in opposite directions parallel with mounting shaft axis. Note here that working coupling displacement in one of said opposite directions makes adapter extractor move in adapter withdrawal direction unless adapter gets uncoupled from lock ring.
EFFECT: higher efficiency.
14 cl, 10 dwg
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