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1. 发明专利

JPH02113147A CHAIN CONNECTING LINKS OF SAME CONFIGURATION 失效
公开(公告)号：JPH02113147A
公开(公告)日：1990-04-25
申请号：JP26419988
申请日：1988-10-21
申请人： TSUBAKIMOTO CHAIN CO
发明人： KANEHIRA MAKOTO , NAKAGAWA TAKERO , TSUBAKIMOTO YASUMASA , TANAKA KOJI , TAKAHASHI TOSHIO , IKEDA MASAAKI
IPC分类号： F16G13/12 , B21L11/02 , F16G13/07
摘要： PURPOSE:To obtain a chain low in cost, capable of correcting the torsion thereof and permitting a horizontal bending by moving links which are bent to a looseness stop part by inserting the spherical connecting member of an adjacent link into a recessed part of a body, bringing into a straight condition and inserting a neck part into a narrow part. CONSTITUTION:First and second links 301, 302 are brought into substantially right angled states. The connecting member 312 of the second link 302 is inserted into the recessed part 361 of the first link 301 and moved to the lower side 38a of a looseness stop part 381 along an inclined face 36a. When the second link 302 is inclined and moved to a direction shown by an arrow A, a neck part 352 enters to a narrow part 371 to complete the connecting assembly of the two links. Accordingly, the contact face of the connecting member 312 and the recessed part 361 constitute a curved face to permit a horizontal bending by a space. Since an article to be carried can be mounted on the link, the torsion of the chain can be corrected.

3. 发明专利

JPH1052303A NECKLACE 失效
公开(公告)号：JPH1052303A
公开(公告)日：1998-02-24
申请号：JP24396696
申请日：1996-08-12
申请人： OKAPI KK
发明人： NAGANO MASAHARU
IPC分类号： A44C25/00 , B21L11/02
摘要： PROBLEM TO BE SOLVED: To eliminate troublesomeness to tie up or untie both end parts by installing decorative members in both end parts of a metallic decorative chain main body, and installing permanent magnets so as to be covered with these decorative members. SOLUTION: A necklace N is constituted by installing permanent magnets 3 and 3 magnetically attractable to each other so as to be covered, for example, with semispherical decorative members 2 and 2 installed in both end parts 1a and 1a of a metallic decorative chain main body 1. Here, in a condition where the decorative members 2 and 2 are separated from each other by separating magnetic attraction of the permanent magnets 3 and 3, the metallic decorative chain main body 1 is hooked on a neck. After that, the decorative members 2 and 2 installed in both end parts 1a and 1a of the hanging-down metallic decorative chain main body 1, are joined together by magnetically attracting the permanent magnets 3 and 3 arranged in these decorative members 2. The decorative members 2 are formed in various shapes such as a half rugby ball shape, a heart shape and a cross shape. Therefore, troublesomeness to tie up or untie both end parts can eliminated.

6. 发明专利

JPS55102713A CROSS CHAIN OF TIRE CHAIN 失效
公开(公告)号：JPS55102713A
公开(公告)日：1980-08-06
申请号：JP1077979
申请日：1979-01-31
申请人： KUBOTA ICHIROU
发明人： KUBOTA ICHIROU
IPC分类号： B60C27/06 , B21L11/00 , B21L11/02
摘要： PURPOSE:To prevent a tire from slipping, by providing a protrusion in the link element of cross chain. CONSTITUTION:A cross chain 2 is constituted by linking a link element 6,... in which a metallic base material, with a plurality of protrusions 5a,... constructed, is folded into square shape and the like. And the protrusion 5a may be constructed into any shape of semicircle, square, triangle, etc. And to the base material is applied a surface hardening treatment. Accordingly, a slip resistance, coming to be increased, can prevent a slipping.

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