FIELD: process engineering.
SUBSTANCE: invention relates to machine building and may be used in bit hand claps in grinding bit inserts. Bit retainer incorporates macro adjustment means for fast positioning of pressure plate nearby, at least one bit body and fine adjustment means for locking of, at least, one bit in place by applying pressure to bit shank.
EFFECT: simple, reliable and efficient clamp, compact design.
27 cl, 11 dwg
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