Patent ID: 11879754
Assignee: TDK CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 45:
46. A stroke sensor module being configured to be mounted on a support having a through-hole and a positioning portion, the stroke sensor module comprising:
a moving element that is moved in a first direction;
a magnetic field generator that is moved in the first direction together with the moving element;
a magnetic field detecting element that detects movement of the magnetic field generator; and
a housing that houses a part of the moving element and the magnetic field generator, wherein
the housing has an inserted portion that is inserted into the through-hole so as to engage the through-hole, a mounting portion that is fixed to a mounting surface of the support, and an engaging portion that engages the positioning portion so as to position the housing in the first direction,
the mounting portion and the engaging portion are positioned at different angular positions, as viewed in the first direction, and
the engaging portion is a circumferential groove that circumferentially extends on the housing, the positioning portion is a ridge that extends along the circumferential groove, the housing has an axial groove that is connected to the circumferential groove, the axial groove extends in the first direction from a side of the housing, and when the housing is rotated a predetermined angle in a direction in which the mounting portion is moved away from the support, the axial groove contains the ridge, as viewed in the first direction.