Rotation detection device

Details Rotation detection device Rotation detection device

2008-05-13

2008-05-13

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

Reexamination Certificate

active

11711151

ABSTRACT:
A rotation detection device includes a cover member having an opening end, and a sensor body member which has a mounting portion protruding from a mounting-portion protrusion surface and a joint portion positioned around the mounting-portion protrusion surface. The opening end of the cover member is joined to the joint portion of the sensor body member in such a manner that a magnet is housed in the cover member and the mounting-portion protrusion surface is covered by the cover member. A magnetism detection unit is fixedly mounted to the mounting portion and arranged in the magnet. One of the joining surface of the opening end of the cover member and the joining surface of the sensor body member has at least one of a flange-shaped portion and a bent portion. The other of the joining surfaces has a shape corresponding to that of the one thereof.

REFERENCES:
patent: 5637995 (1997-06-01), Izawa et al.
patent: 6064200 (2000-05-01), Saito et al.
patent: 7141966 (2006-11-01), Sumiya et al.
patent: 2005/0015968 (2005-01-01), Shinjo et al.
patent: U2-48882 (1990-04-01), None
patent: A7-113811 (1995-05-01), None
patent: A-2006-275639 (2006-10-01), None

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