Title:
回転検知装置
Document Type and Number:
Japanese Patent JP6827111
Kind Code:
B2
Abstract:
[Object] To provide a rotation detection device capable of preventing contact between a shaft body and a rotor even when the rotor has attachment errors or manufacturing errors, or capable of reducing damage to and displacements of components even when the contact occurs.[Solution] A wheel portion allows a shaft body that serves as a detection object to be inserted therein in a direction of a rotational axis from a position in front of the wheel portion, and is rotated about the rotational axis when the shaft body is rotated. The wheel portion includes a tubular portion in which the shaft body is inserted and a projecting edge portion extending away from the rotational axis at a front end of the tubular portion. The housing portion includes a cover portion having a hollow tubular opening portion in which the shaft body is inserted. The cover portion and the wheel portion are engaged with each other such that the opening portion is located on an inner side of the projecting edge portion.
Inventors:
Kikuchi Shinji
Keisuke Nakayama
Keisuke Nakayama
Application Number:
JP2019525197A
Publication Date:
February 10, 2021
Filing Date:
May 08, 2018
Export Citation:
Assignee:
Alps Alpine Co., Ltd.
International Classes:
G01B7/30
Domestic Patent References:
| JP2009281788A | ||||
| JP2000283704A |
Attorney, Agent or Firm:
Katsuyuki Okubo
野▲崎▼ 照夫
Masahiro Matsushita
野▲崎▼ 照夫
Masahiro Matsushita