FIELD: process engineering.
SUBSTANCE: invention relates to machine building, namely, to working tool holders made up of angular adapters to be fitted on rotary drive. Proposed adapter comprises casing, handle and body accommodating two shafts with bevel gears fitted thereon. Section of one of said shafts has tetrahedron to receive wrench and thread whereon screwed are discs or nuts to lock grinding wheel of saw blade. Another shaft is to be coupled with rotary drive.
EFFECT: compact and simple design.
4 dwg
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