Tool joint

Details Tool joint Tool joint

B - Operations, Transporting

23

B

B23B 31/11 (2006.01) B25G 3/10 (2006.01) B25G 3/30 (2006.01)

Patent

CA 2405760

A tool (20) comprising a male member (22) and a female member (24). The male member (22) having a coupling portion (28) projecting rearwardly from a body portion (26). The coupling portion (28) having a frustoconical forward portion (40) and a threaded rear portion (38). The thread (46) having an intermediate section (45) of uniform depth and terminating in forward and rear end (41) parts. The female member (24) having a bore (64) extending rearwardly from a front surface (60). The bore (62) having a frustoconical forward portion (70) and a threaded rear portion (72). The thread (72) having an intermediate section (67) of uniform depth and terminating in forward (66) and rear end (68) parts. Upon threaded coupling of the male (22) and female members (24) to form a tool joint (20) connection, the threaded portion (38) of the male member (22) engages the threaded portion (72) of the female member (24).

L'invention concerne un outil (20) comprenant un élément mâle (22) et un élément femelle (24). L'élément mâle (22) présente une portion de couplage (28) se projetant vers l'arrière depuis une portion de corps (26). La portion de couplage (28) est pourvue d'une portion avant tronconique (40) et d'une portion arrière filetée (38). Le filetage (46) comprend une section intermédiaire (45) présentant une profondeur uniforme, se terminant par des portions d'extrémité (41) avant et arrière. L'élément femelle (24) présente un orifice (64) s'étendant vers l'arrière depuis une surface avant (60). Cet orifice (62) comprend une portion avant tronconique (70) et une portion arrière (72) filetée. Le filetage (72) comprend une section intermédiaire (67) présentant une profondeur uniforme, se terminant par des portions d'extrémité avant (66) et arrière (68). Au cours du couplage par filetage de l'élément mâle (22) et de l'élément femelle (24) pour former un raccord de joint d'outil (20), la portion filetée (38) de l'élément mâle (22) s'engrène dans la portion filetée (72) de l'élément femelle (24).

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