Drill for hand-held drilling devices

Details Drill for hand-held drilling devices Drill for hand-held drilling devices

B - Operations, Transporting

23

B

77/35

B23B 51/02 (2006.01) B23B 31/00 (2006.01) B25D 17/08 (2006.01)

Patent

CA 1193118

ABSTRACT OF THE DISCLOSURE A drill is secured in percussion drilling machines and in tool holders of hammer drills by locking elements. The locking elements fit into axially extending grooves formed in the axially extending circumferential surface of the shank of the drill. Webs located intermediate the ends of the grooves divide the grooves into axially extending groove sections with the locking elements fitting into the groove sections. The outer surfaces of the webs are located in the circumferential surface of the shank and serve to support the jaws of the tool holder in the correct position.

414312

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