Vibration motor

Details Vibration motor Vibration motor

1999-02-17

2000-06-27

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, 310 91, 310 40MM, 310 71, 74 87, 3404071, 3403111, H02K 706

Patent

active

060810556

ABSTRACT:
A vibration motor (10) having a metal holder frame (30) provided with a motor accommodation portion (31) for receiving and holding a substantially tubular drum portion of a vibration motor body (20) and terminal pieces (40) for being affixed and connected to end portions of the vibration motor body. The metal holder frame has a bottom plate portion (32) adapted for soldering to a pattern on a printed circuit board. The bottom plate has a bulge portion formed by making a depression in the rear side of the bulge portion to make a projection on the front side of the bulge portion at least one position of the bottom plate portion, whereby when driving the vibration motor, the portion of the bulge portion acts as a turn-stopping device and prevents rotational deviation so that the vibration motor can be simultaneously mounted in a double-side mounting process by reflow soldering to a printed circuit board.

REFERENCES:
patent: 5373207 (1994-12-01), Yamayuchi et al.
patent: 5801466 (1998-09-01), Odagiri et al.
patent: 5889349 (1999-03-01), Yasuda
patent: 5952745 (1999-09-01), Yasuda

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