FIELD: process engineering.
SUBSTANCE: invention relates to mechanisms intended for varying adhesion between chuck and bit. Proposed universal joint comprises first and second parts jointed together by connection element and connection mechanism for split joint of tool chuck, for example slotted chucks. Connection mechanism comprises hooking element and actuating element. Hooking element may comprise pin arranged either inclined or along universal joint drive rod. Actuating element may comprise bead and central section that crosses drive rod lengthwise axis. Said central section may be displaced along lengthwise axis toward connection element. Actuating element may enter the hole formed by connection element and second part of universal joint.
EFFECT: higher strength, possibility to use multiple bits.
46 cl, 4 dwg
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