Method for producing a magneto device for generating signals

Details Method for producing a magneto device for generating signals Method for producing a magneto device for generating signals

1979-06-06

1983-09-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29520, 29521, 29522R, 310 42, 310156, 310218, H02K 1502

Patent

active

044034024

ABSTRACT:
A magneto device for generating signals comprises a rotor including a permanent magnet and a pole piece which are secured to a rotary body, and a stator including a stationary pole piece and a signal output coil. Formed in the outer periphery of the rotary body is a recess in which the permanent magnet and the pole piece are inserted in this order. A cylindrical key member made of a non-magnetic metal is inserted in an annular space between the wall of the recess and the permanent magnet and pole piece. The key member is plastically deformed by pressing to secure the permanent magnet and pole piece to the rotary body.

REFERENCES:
patent: 996571 (1911-06-01), Edwards
patent: 2038124 (1936-04-01), Osborne
patent: 2804679 (1957-09-01), Tracy
patent: 3527266 (1970-09-01), Santi
patent: 3529856 (1970-09-01), Smith et al.
patent: 3559946 (1971-02-01), Baxter, Jr.
patent: 4249298 (1981-02-01), Kanamaru et al.
patent: 4305198 (1981-12-01), Kanamaru et al.
patent: 4306167 (1981-12-01), Kanamaru et al.

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