Linear actuator

Details Linear actuator Linear actuator

1976-06-01

1977-07-19

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310 12, 310 30, 318136, H02K 3300

Patent

active

040371220

ABSTRACT:
A linear actuator comprises a toothed magnetic motor bar and a motor element having a pair of E-cores on opposite sides of the motor bar. Rollers attached directly to the E-cores ride on the motor bar to maintain a fixed air gap between the motor bar and the pole faces of the E-cores. The E-cores are connected by I-shaped connector plates to hold the tooth relationship between E-cores. The connector plates also are flexible to compensate for variations in thickness of the motor bar.

REFERENCES:
patent: 3265911 (1966-08-01), Madsen
patent: 3268747 (1966-08-01), Snowdon
patent: 3292065 (1966-12-01), Frederickson
patent: 3867676 (1975-02-01), Chai et al.

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