ROTATION OPERATION DEVICE AND ELECTRONIC KEYBOARD INSTRUMENT

To provide a rotation operation device which is excellent in workability and productivity, and to provide an electronic keyboard instrument.SOLUTION: A rotation operation device according to one embodiment of the invention includes: a rotation detection part which detects rotation; a knob having an operation part which rotates in conjunction with the rotation detection part and an engagement part provided at the other side of the operation part and disposed at the inner diameter side relative to an outer edge of the operation part; and a housing part which includes an engaging part configured to engage with the engagement part and houses the rotation detection part.SELECTED DRAWING: Figure 3 【課題】作業性及び生産性に優れた回転操作装置、および電子鍵盤楽器を提供する。【解決手段】本発明の一形態にかかる回転操作装置は、回転を検出する回転検出部と、前記回転検出部と連動して回転する操作部と、前記操作部の他方側に設けられ前記操作部の外縁部よりも内径側に配される係止部と、を有するノブと、前記係止部に係合する係合部を備え、前記回転検出部を収容する、収容部と、を備える。【選択図】図３