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1. 发明授权

US06205672B1 Digital tire caliper 有权
标题翻译：数字轮胎卡钳
公开(公告)号：US06205672B1
公开(公告)日：2001-03-27
申请号：US09243945
申请日：1999-02-03
申请人： Craig Paulsen , Rick Capps
发明人： Craig Paulsen , Rick Capps
IPC分类号： G01B508
CPC分类号： G01B7/12 , G01B3/205
摘要： Tires can be accurately and quickly measured by using a tire caliper that outputs data in digital form. A measuring instrument determines the diameter of automotive tires, preferably automotive race tires, and displays the circumference or the diameter at the users option, The tool of this invention has a digital display including a relatively elongate caliper body formed with a measuring part adapted to make measuring engagement with the tire to be measured. A member freely slidable in a longitudinal direction of the caliper body and formed with a measuring part disposed opposite to the measuring part of the caliper. In one preferred embodiment, the measuring instrument is marked with a transparent linear scale fixedly disposed on the caliper body with its axis extending in the longitudinal direction of the caliper body and a transparent index scale is mounted on the slider with its calibrated face disposed opposite to the calibrated face of the linear scale and slightly spaced apart relationship. In this embodiment, a measuring circuit including a digital display element is mounted in the slider and is electronically connected to a light emitting element and a light receiving element mounted in the slider. The light emitting element and the light receiving element are disposed opposite to each other with the linear scale and the index scale interposed therein between. In the preferred embodiment, the measuring circuit converts the measured tire diameter into the tire circumference measurement, which is digitally displayed on the LCD. In one particularly preferred embodiment, the circuitry allows the measurements of the front, right rear, left front and left rear tires to be recorded for a later reading of those measurements.
摘要翻译：通过使用以数字形式输出数据的轮胎卡钳可以准确快速地测量轮胎。测量仪器确定汽车轮胎的直径，优选汽车赛车轮胎，并且在用户选择下显示圆周或直径。本发明的工具具有数字显示器，其包括相对细长的卡钳体，其形成有适于制造的测量部件测量与要测量的轮胎的接合。一个构件可沿制动钳主体的纵向方向自由滑动并形成有与卡钳的测量部分相对设置的测量部件。在一个优选实施例中，测量仪器被标记为固定地设置在卡尺主体上的透明线性刻度，其轴线沿卡钳主体的纵向方向延伸，并且透明指数标度安装在滑块上，其校准面设置在与线性刻度的校准面和稍微间隔开的关系。在本实施例中，包括数字显示元件的测量电路安装在滑块中，并且电连接到安装在滑块中的发光元件和光接收元件。发光元件和光接收元件彼此相对地设置有线性刻度和介于其间的折射率。在优选实施例中，测量电路将所测量的轮胎直径转换成数字显示在LCD上的轮胎周长测量值。在一个特别优选的实施例中，电路允许记录前，右后，左前后轮胎和左后轮胎的测量值，以便随后读取这些测量值。

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