Electric reciprocating motion device with spring motor

Details Electric reciprocating motion device with spring motor Electric reciprocating motion device with spring motor

2011-06-14

2011-06-14

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Oscillating

C310S012220, C310S014000, C310S015000, C310S036000, C310S037000, C015S022100

Reexamination Certificate

active

07960877

ABSTRACT:
An electric reciprocating motion device includes a motor having a rotary shaft for outputting a reciprocating rotational power and a motion head coupling with the rotary shaft and being driven to move in a reciprocating motion along an axis of the rotary shaft and in a predetermined swing angle range. The motor is a spring motor including a motor unit and a torsion spring having two ends affixing at a motor housing and to the rotary shaft respectively. After the rotary shaft outputs a mechanical torque at one rotational direction, the torsion spring applies a spring force against the rotary shaft to drive the rotary shaft to rotate backward for generating the reciprocating rotational power. Using the spring motor in the electric reciprocating motion device, the device achieves the goals of simple mechanical structure, small volume, easy to install, and low in cost.

REFERENCES:
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patent: 2785557 (2006-06-01), None
European Office Patent web page: Abstract Translation CN2785557 (2006).

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