| 摘要 |
A structure and method of fixing a housing in which four mounting grooves are formed at regular intervals along a peripheral direction at an opening end of a cylindrical yoke housing. An end housing is provided with a peripheral portion whose outer diameter is formed smaller than an inner diameter of the yoke housing, and a plurality of protrusions which protrude from the peripheral portion and correspond to the mounting grooves. In a state in which the protrusions are each mounted to the corresponding mounting grooves, four pairs of caulking claws, each pair of which is disposed at both ends in a widthwise direction of a respective mounting groove, are all fixed by being caulked simultaneously. The end housing is thereby coaxially fixed to the yoke housing.
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