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1. 发明授权

US07018149B2 Plunge-type router having improved plunge return capability 失效
标题翻译：插入式路由器具有提高的插入返回能力
公开(公告)号：US07018149B2
公开(公告)日：2006-03-28
申请号：US10798057
申请日：2004-03-11
申请人： John Freese , Kristopher Baker
发明人： John Freese , Kristopher Baker
IPC分类号： B23C1/20
CPC分类号： B27C5/10 , Y10T409/306608
摘要： A preferred embodiment router is disclosed having a housing which supports a motor wherein the housing is vertically movable along a pair of spaced vertical guide posts of a base structure and wherein the router includes a flexible baffle which can vertically expand and contract as the housing is moved relative to the base structure and wherein at least one post has a coil spring located within the baffle which is configured to bias the housing away from the base structure, with the coil spring having a generally hourglass shaped configuration. The configuration has outer end portions with larger coil diameters, both of which transition to a center portion with a smaller coil diameter. The hourglass configured coil minimizes the possibility of the coil buckling which could result in a loss of spring force as well as a distortion of the shape of the baffle. Also, the amount of travel that is permitted by the hourglass spring is larger than would be achieved by a comparable uniform coil diameter spring made from the same material, because a number of coils can be telescoped together to produce a smaller compressed or solid height of the spring.
摘要翻译：公开了一种优选实施例的路由器，其具有支撑马达的壳体，其中所述壳体可沿着基部结构的一对间隔开的垂直导向柱垂直移动，并且其中所述路由器包括柔性挡板，所述柔性挡板可随着所述壳体移动而垂直地膨胀和收缩相对于基部结构，并且其中至少一个柱具有位于挡板内的螺旋弹簧，该螺旋弹簧构造成将壳体偏离基部结构偏置，螺旋弹簧具有大致沙漏形状的构造。该构造具有较大线圈直径的外端部，两者都转变到具有较小线圈直径的中心部分。沙漏配置的线圈使线圈屈曲的可能性最小化，这可能导致弹簧力的损失以及挡板的形状的变形。此外，由沙漏弹簧允许的行进量大于由相同材料制成的类似的均匀线圈直径弹簧所实现的行程量，因为可以将多个线圈伸缩在一起以产生较小的压缩或固体高度春天。

2. 发明申请

US20050201839A1 Plunge-type router having improved plunge return capability 失效
标题翻译：插入式路由器具有提高的插入返回能力
公开(公告)号：US20050201839A1
公开(公告)日：2005-09-15
申请号：US10798057
申请日：2004-03-11
申请人： John Freese , Kristopher Baker
发明人： John Freese , Kristopher Baker
IPC分类号： B23C1/20
CPC分类号： B27C5/10 , Y10T409/306608
摘要： A preferred embodiment router is disclosed having a housing which supports a motor wherein the housing is vertically movable along a pair of spaced vertical guide posts of a base structure and wherein the router includes a flexible baffle which can vertically expand and contract as the housing is moved relative to the base structure and wherein at least one post has a coil spring located within the baffle which is configured to bias the housing away from the base structure, with the coil spring having a generally hourglass shaped configuration. The configuration has outer end portions with larger coil diameters, both of which transition to a center portion with a smaller coil diameter. The hourglass configured coil minimizes the possibility of the coil buckling which could result in a loss of spring force as well as a distortion of the shape of the baffle. Also, the amount of travel that is permitted by the hourglass spring is larger than would be achieved by a comparable uniform coil diameter spring made from the same material, because a number of coils can be telescoped together to produce a smaller compressed or solid height of the spring.
摘要翻译：公开了一种优选实施例的路由器，其具有支撑马达的壳体，其中所述壳体可沿着基部结构的一对间隔开的垂直导向柱垂直移动，并且其中所述路由器包括柔性挡板，所述柔性挡板可随着所述壳体移动而垂直地膨胀和收缩相对于基部结构，并且其中至少一个柱具有位于挡板内的螺旋弹簧，该螺旋弹簧构造成将壳体偏离基部结构偏置，螺旋弹簧具有大致沙漏形状的构造。该构造具有较大线圈直径的外端部，两者都转变到具有较小线圈直径的中心部分。沙漏配置的线圈使线圈屈曲的可能性最小化，这可能导致弹簧力的损失以及挡板的形状的变形。此外，由沙漏弹簧允许的行进量大于由相同材料制成的类似的均匀线圈直径弹簧所实现的行程量，因为可以将多个线圈伸缩在一起以产生较小的压缩或固体高度春天。

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