Electrical servo actuator bracket

Details Electrical servo actuator bracket Electrical servo actuator bracket

1980-03-28

1981-06-16

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

74 89, 92130R, G05B 106

Patent

active

042740380

ABSTRACT:
A bracket for an electrical servo actuator wherein said servo actuator (10) is mounted on a support arm (12) which is allowed to pivot on a bolt (14) through a fixed mounting bracket (16). The actuator is pivotally connected to the end of the support arm by a bolt (18) which has an extension (24) allowed to pass through a slot (26) in the fixed mounting bracket. An actuator rod (34) extends from the servo actuator to a crank arm (32) which turns a control shaft (36). A short linear thrust of the rod pivots the crank arm through about 90.degree. for full-on control with the rod contracted into the servo actuator, and full-off control when the rod is extended from the actuator. A spring (28) is connected at one end to the fixed mounting bracket and at the other end to the extension (24) of the bolt (18) connecting the actuator to the support arm. The spring pulls the support arm toward the crank arm, thus moving the servo actuator and actuator rod toward the control crank arm once the actuator rod is fully extended in the full-off position. This assures the turning of the control shaft to a full-off position. A stop bolt (40) and slot (42) are provided to limit pivot motion. Once fully extended, the spring pivots the motion.

REFERENCES:
patent: 2968465 (1961-01-01), Flick et al.
patent: 3704405 (1972-11-01), Miller et al.
patent: 3727523 (1973-04-01), Gulick
patent: 4170169 (1979-10-01), Shafer
patent: 4191913 (1980-03-01), Arnold et al.

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