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MEASURING PROBE | MESSSONDE | SONDE DE MESURE

Patentnummer:EP3211362B1
IPC Hauptklasse:G01B000700
Anmelder:Mitutoyo Corporation (0)
20-1, Sakado 1-chome, ; Takatsu-ku, ; Kawasaki, Kanagawa 213-0012, JP
Erfinder:ISHIKAWA, Nobuhiro (0)
; Mitutoyo Corporation, 430-1, Kamiyokoba, ; Tsukuba-shi, Ibaraki-ken 305-0854, JP
Kanamori, Hiroyuki (0)
c/o Mitutoyo Corporation; 430-1 Kamiyokoba, Tsukuba-shi; Ibaraki 305-0854, JP
Saito, Akinori (0)
430-1, Kamiyokoba, ; Tsukuba-shi, Ibaraki-ken 305-0854, JP
Anmeldung:23.02.17
Offenlegung:26.02.16
Patenterteilung:20.11.19

Abstract / Hauptanspruch
A measuring probe(300) includes: a stylus(336) having a contact part (362) to be brought into contact with an object to be measured; a probe housing(300) capable of supporting the stylus(336) on an axial center(O); and a detection element(325) capable of detecting a movement of the contact part(362). The measuring probe (300) further includes: two supporting members (322, 324) disposed in an axial direction(O) of the probe housing(306), the supporting member(322, 324) allowing for an attitude change of the stylus (336) ; and a coupling shaft (326) for coupling the two supporting members(322, 324) together. The detection element(325) is disposed in one of the two supporting members(322, 324) that is farthest away from a rotational center position (RC) of rotation generated in the stylus (336) when a measuring force (F) is applied to the contact part (336) from a direction perpendicular to the axial direction(O), to detect a strain amount of the one of the two supporting members(322, 324). The measuring probe(300) having a simple structure and capable of ensuring high measurement sensitivity is thus provided.

EP3211362B1


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