B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
B23Q 3/12 (2006.01) B23B 31/00 (2006.01) B23B 31/02 (2006.01) B23B 31/107 (2006.01) B23B 45/16 (2006.01) B23B 51/00 (2006.01) B23Q 16/00 (2006.01) B25D 17/00 (2006.01) B25D 17/08 (2006.01) B28D 1/00 (2006.01) B28D 1/14 (2006.01)
Patent
CA 2487464
An insertion end (1) of a tool (2) driven along an axis (A) at least partially rotary or percussively, which extends along the axis (A) within a maximum guide diameter (D) and at least one axially closed locking groove (5) and rotary driving groove (6) axially closed at an axial locking end (3) towards the free leading end (4). The rotary driving groove has a groove width (B) with at least one tangential force contact surface (7). At least two rotary driving grooves (6) have a length (L) of at least three times that of the guide diameter (D) are arranged on the tool - side ahead of the axial locking end (3) and have a contact length at least 1.5 times the guide diameter (D) configured wider than a fifth of the guide diameter (D).
Britten Werner
Kleine Werner
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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