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    • 6. 发明专利
    • Lock device
    • 锁定装置
    • JP2008248615A
    • 2008-10-16
    • JP2007092813
    • 2007-03-30
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • KATAGIRI TOSHIHARUTAMEZANE TAKUMI
    • E05B15/00E05B29/06E05B63/22
    • E05B29/0006E05B17/0058Y10S70/20Y10T70/7582Y10T70/7593Y10T70/7706Y10T70/7757
    • PROBLEM TO BE SOLVED: To obtain a lock device which reduces the mechanical strength required of a key and can restrain the length of a plunger member from increasing even when the number of tumbler plates is increased. SOLUTION: Only by inserting a proper key into the plunger member 42 and pushing the proper key, a locked state of a locking object can be released. Since projections 66A, 68A are engaged with recesses 62 other than the recesses 62 with which the projections 66A, 68A are initially engaged and the movement of the plunger member 42 is not disturbed, even when the key is pulled out in a state that the plunger member 42 is pushed and the tumbler plates 66, 68 return to their initial positions, the mounting pitch of the tumbler plates 66, 68 must be made longer than the stroke of the plunger member 42. However, by zigzagging the engaging positions 46 of the projections 66A, 68A with the recesses 62 in a direction of the thickness of the key, the length of the plunger member 42 is restrained from increasing even when the number of the tumbler plates 66, 68 is increased. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了获得一种降低钥匙所需的机械强度的锁定装置,并且即使当转鼓板的数量增加时也可以抑制柱塞件的长度增加。 解决方案:只有通过将正确的键插入柱塞构件42并推动适当的键,才能释放锁定对象的锁定状态。 由于突出部66A,68A与突起66A,68A初始接合的凹部62以外的凹部62卡合,并且柱塞部件42的移动也不会受到干扰,所以即使在将柱塞拉出的状态下, 构件42被推动并且制动板66,68返回到其初始位置,制动板66,68的安装间距必须制成比柱塞构件42的行程更长。然而,通过将引导位置46的接合位置46曲折, 突起66A,68A具有沿着键的厚度方向的凹部62,即使当转鼓板66,68的数量增加时,也抑制柱塞构件42的长度增加。 版权所有(C)2009,JPO&INPIT