Lead screw actuator

Details Lead screw actuator Lead screw actuator

1998-08-27

2000-08-08

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

7449014, 74825, 192 79, G05G 1100

Patent

active

060984856

ABSTRACT:
A high resolution actuator is provided which can be used in extreme environments, e.g., at extremely low temperatures. The actuator uses electromagnetic forces to actuate levers which then cause rotation of a lead screw. The actuator uses very small gaps in the magnetic circuit to achieve a high force with a small input power.

REFERENCES:
patent: 1498979 (1924-06-01), Renison
patent: 2190447 (1940-02-01), Frazier
patent: 4006645 (1977-02-01), Newell
patent: 4456937 (1984-06-01), Iftikar et al.
patent: 4525852 (1985-07-01), Rosenberg
patent: 4664487 (1987-05-01), Tam
patent: 4798989 (1989-01-01), Miyazaki et al.
patent: 5332942 (1994-07-01), Rennex

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