2 results about "Solid body" patented technology

The invention relates to the technical field of measurement, and particularly discloses a pipeline inner diameter measuring device and method.The device comprises a coupling band and a hollow rotating shaft installed in a pipeline, an inner shaft is installed in the rotating shaft through a bearing, an execution assembly is fixedly arranged at the end of the rotating shaft and comprises a first sleeve, and a solid body is arranged in the first sleeve to form a groove body; the inner shaft extends into the center groove, the end of the inner shaft is in threaded connection with a guide disc, third wedge bodies are arranged on the periphery of the guide disc in an array mode, measuring units abut against the third wedge bodies, and a rust removal unit is arranged at the end, away from the center, in the guide groove; the derusting unit and the measuring unit which can switch positions are arranged in the execution assembly, so that the derusting function and the measuring function are integrated; a centering assembly is arranged to avoid measurement eccentricity; the centering assembly and the execution assembly are matched for measurement at different depths in the pipeline, more comprehensive pipeline inner diameter data are obtained, the measurement precision is improved, the operation process is simplified, and more comprehensive measurement data are obtained.

A bridge for a stringed musical instrument is provided. The bridge is machined solid from various metals, selected for their metallurgic and sonorous qualities. It is machined as a movable one-piece solid body and plate, selectively used in combination with a separate machined tremolo block and tremolo arm, or a fixed two-piece system: a body and mounting plate. Increased mass of a rounded, machined design and the qualities of the bridge metals combine to improve sustain of the instrument. The bridge's preferred rounded ergonomic design allows the player hand protection from the string saddles and screws, the bridge itself visually compliments typical guitar contours and provides a surface for branding. It may replace existing bridges or be used in new instruments.