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Patent Searching and Data


Title:
CONSTANT-VELOCITY JOINT
Document Type and Number:
WIPO Patent Application WO/2023/119678
Kind Code:
A1
Abstract:
A constant-velocity joint (1) includes: an outer ring member (21) in which a first end surface (22R) and a second end surface (22F) are provided in the direction of a rotation axis (A21), a plurality of bolt insertion holes (24) penetrating from the first end surface (22R) to the second end surface (22F) are formed about the rotation axis (A21), and a packing mounting groove (25) is provided to the first end surface (22R) and the second end surface (22F), the packing mounting groove (25) having a flat portion (26), the outer diameter side of which is parallel to the first end surface (22R) and the second end surface (22F), and an engaging portion (27) directed from the flat portion (26) more toward the first end surface (22R) or the second end surface (22F) as the engaging portion (27) approaches the rotation axis (A21); an inner ring member (41) disposed coaxially with the outer ring member (21); a plurality of spheres (51) disposed between the outer ring member (21) and the inner ring member (41); a boot (61) attached to the first end surface (22R); a seal cap (31) attached to the second end surface (22F); and packing (81) attached to the packing mounting groove (25).

Inventors:
MATSUO YUSUKE (JP)
HATOGAI ATARU (JP)
TOITA SHINYA (JP)
SAITO YUTA (JP)
Application Number:
PCT/JP2022/006256
Publication Date:
June 29, 2023
Filing Date:
February 16, 2022
Export Citation:
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Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16D3/224; F16D3/84
Foreign References:
JP2009174661A2009-08-06
JP2010138974A2010-06-24
JPH0552359U1993-07-13
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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