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| Number | Title | Issue Date |
| 7257903 | Leveling rod with stencil A leveling rod and a method of surveying utilizing the disclosed leveling rod are disclosed. The leveling rod comprises an elongated shaft and at least one tape with measurement graduations affixed longitudinally to the elongated shaft. The leveling rod also compris... | 08/21/2007 |
| 7134215 | Measuring device for measuring gearing and diameters in rotationally symmetrical components A measuring device for measuring gearing and diameters in rotationally symmetrical components (2). The device possesses a fixed feeler pin (9) and a movable feeler pin (10). The movable feeler pin (10), with the aid of a spring actuated m... | 11/14/2006 |
| 6338201 | Measuring instrument for checking dimensional accuracy An instrument for checking dimensional accuracy of a surface or a toothing of a workpiece comprises a measuring head with two diametrically opposite, radially movable checking elements which bear against a surface to be checked and the radial movements of... | 01/15/2002 |
| 5133134 | Apparatus and method for on site testing of involute axle gear parameters The apparatus for measuring the parameters of an axle gear includes an attachment mechanism for providing a surface parallel to the gear axis and positioned at a distance equal to the base circle radius from the gear axis. A displacement measuring device ... | 07/28/1992 |
| 4517743 | Gauge A gauge for checking the quality (accuracy; tolerance: trueness) of gear teeth is provided with a set of gauging teeth which, when the gauge is used, mesh with the teeth to be checked. This effects automatic alignment of the actual contact pins relative t... | 05/21/1985 |
| 4137642 | Tool for control measurement of gears The invention relates to a tool for control measurement of the correct form of the teeth of helical gear wheels. A rack with the same pitch as the wheel to be control-measured rolls on top of the wheel in engagement with its teeth. An indicator whose heig... | 02/06/1979 |
