作者: Graham Macdonald Clydesdale
DOI:
关键词: Drill bit 、 Degree (temperature) 、 Position (vector) 、 Physics 、 Acoustics 、 Object (computer science)
摘要: Apparatus for indicating wear of an object is described. The apparatus includes a measurement probe (1) which may be moved relative to reference (14). A sensor (2) coupled the and indicator (7) (2). position (14) indicative degree object. detects indicates user by means (7). particularly useful cutter (20) drill bit.