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| Number | Title | Issue Date |
| 7159477 | Apparatus for inspecting deformation of pipes An apparatus is provided for measuring deformation of a surface of a pipe. The apparatus has a central portion to which a detector section is mounted. At each side, guides are connected to the housing via arms. The housing has a platform below which an inverted U-sh... | 01/09/2007 |
| 5490333 | Three point tri-roll threaded ring gauge that is adjustable with wear detectors A device to measure round objects, especially threaded objects is shown where three cam surfaces located on the interior of an annular ring are contacted by rollers which are advanced or retracted as a cam surface is traversed. The traverse of the cam sur... | 02/13/1996 |
| 4977682 | Hand held ovality gauge An ovality gauge includes an elongated frame member carrying a roller support arm having a pair of rollers rotatably mounted to the roller support arm and spaced apart from each other. Preferably the rollers are adjustable to various positions. The ovalit... | 12/18/1990 |
| 4625413 | Head for checking dimensions of mechanical parts A measuring head comprises an integral member defining a support portion, a plurality of fulcrums and a corresponding plurality of movable arms carrying feelers. The fulcrums are aligned for defining a single axis of rotation for the movable arms. Positio... | 12/02/1986 |
| 4597184 | Snap gauge for checking dimensions of workpieces A snap gauge comprising support means; a substantially U-shaped integral member defining two movable arms carrying feelers for contacting a workpiece to be measured; transducer means coupled to the movable arms; and a Vee reference device for cooperating ... | 07/01/1986 |
| 4473956 | Bore-measuring apparatus The apparatus comprises a body (1) provided with three point-contact feelers (12, 13) which open under the action of a spring (19) and close under the action of a lever (20) via a rod (14) and a spacer stop (15). A displacement pick-up (22) and an electro... | 10/02/1984 |
