B - Operations – Transporting – 25 – J
Patent
B - Operations, Transporting
25
J
B25J 17/00 (2006.01) F16H 19/08 (2006.01)
Patent
CA 2621221
A multi joint finger unit (1) has first and second joint sections (3, 5) constructed by using bevel gears. In each joint section (3, 5), the section where a driving bevel gear (10, 44) and a driven bevel gear (14, 56) mesh with each other and also a bearing section of a joint shaft (15, 57) are assembled in a tubular housing (13, 51) whose forward end is closed. Rear end openings (13A, 52) of the tubular housings (13, 51) are closed by a tubular housing (7) at a finger root and a tubular housing (41) at a finger body section. The section where the gears of the joint sections (3, 5) mesh and the bearing section are substantially sealed, so that a foreign matter is prevented from entering from the outside to these sections and lubricant does not leaks from these sections. The multi-joint finger unit is suitable for use in place where thick powder dust is present and in a clean room.
La présente invention concerne une unité doigt dotée de joints multiples (1) qui se compose d~une première et d~une seconde section joint (3, 5) construites à l~aide d~engrenages coniques. Dans chaque section joint (3, 5), la section où un engrenage conique entraînant (10, 44) et un engrenage conique entraîné (14, 56) se mettent en prise ainsi qu~une section support d~un arbre de joint (15, 57) sont montées dans un logement tubulaire (13, 51) dont l~extrémité avant est fermée. Les ouvertures terminales arrière (13A, 52) des logements tubulaires (13, 51) sont fermées par un logement tubulaire (7) à la racine d~un doigt et par un logement tubulaire (41) sur une section corps d~un doigt. La section, où les engrenages des sections joint (3, 5) se mettent en prise, et la section support sont fermées de manière sensiblement hermétique, ce qui permet d~éviter qu~un corps étranger ne s~introduise depuis l~extérieur dans ces sections et qu~un lubrifiant ne fuit par ces sections. L~unité doigt dotée de joints multiples peut être utilisée dans des lieux renfermant une épaisse poussière de poudre ainsi que dans une pièce propre.
Hirabayashi Toshihiro
Horiuchi Masashi
Ohkura Morihiko
Ohta Hirokazu
Harmonic Drive Systems Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Toyota Jidosha Kabushiki Kaisha
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