Drill chucks

B - Operations – Transporting – 23 – B

Patent

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77/28

B23B 31/12 (2006.01) B23B 31/08 (2006.01)

Patent

CA 1059345

TITLE: "AN IMPROVEMENT IN OR RELATING TO DRILL CHUCKS" ABSTRACT OF THE DISCLOSURE: A drill chuck including a main body part having jaws slidably mounted for converging movement in respective guides. A nut member is rotatably mounted on said main body part and has screwthreaded engagement with the jaws. A cylindrical sleeve is connected at one end to the nut member and at its other end surrounds a portion of a further body part. The further body part, which is provided with mounting means for connecting the chuck to a power tool driving spindle, has an initial degree of co-axial alignment with the main body part but a self-centering action is allowed when drilling.

265705

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