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    • 1. 发明授权
    • Gage block
    • 盖子块
    • US3845560A
    • 1974-11-05
    • US38038373
    • 1973-07-18
    • AMERICAN GAGE & MACH
    • SOMMER P
    • G01B3/30
    • G01B3/30
    • The illustrated gage block has all of the advantages of a cylindrical gage block, together with the versatility of a rectangular gage block. The block has three pairs of diametrically opposite surfaces which are parallel with three rectangularly related axes. At least the surfaces of the first pair are cylindrically curved and constitute segments of a cylindrical surface centered about the first axis. The second and third pairs of surfaces are illustrated as rectangularly related parallel plane surfaces. The surfaces of the second pair preferably extend perpendicular to the cylindrical axis of the first pair. The surfaces of the third pair preferably extend parallel to the cylindrical axis and are symmetrically disposed on opposite sides thereof. The cylindrically curved surfaces are particularly valuable for checking and calibrating a micrometer caliper. The other surfaces may also be employed for this purpose or for calibrating dial indicators, automatic gaging devices and the like.
    • 所示的量具块具有圆柱形计量块的所有优点,以及矩形计量块的通用性。 该块具有与三个矩形相关的轴平行的三对直径相对的表面。 至少第一对的表面是圆柱形弯曲的并且构成以第一轴为中心的圆柱形表面的段。 第二和第三对表面被示出为矩形相关的平行平面。 第二对的表面优选地垂直于第一对的圆柱轴线延伸。 第三对的表面优选地平行于圆柱形轴线延伸并且对称地设置在其相对侧上。 圆柱形弯曲表面对于检查和校准千分尺卡尺是特别有价值的。 其他表面也可用于此目的或用于校准拨号指示器,自动测量装置等。