Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1993-11-09
1994-10-25
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
310311, 310331, 310328, 359846, 359849, H01L 4100, G02B 508, G02B 718
Patent
active
053578252
ABSTRACT:
An actuator device of particular use in changing the configuration of a deformable mirror faceplate includes an electrically deformable actuator confined between a grounded electrode disposed on a front surface of a support and an end cap of a tensioning unit which further includes an elongated tensioning element secured to the end cap and passing through a central opening of the actuator and a passage in the support with a free end portion thereof extending beyond the other surface of the support. A tensioning assembly for imposing a preloading force on the actuator includes an externally threaded sleeve surrounding and secured to the free end portion of the tensioning element, and an internally threaded nut meshing with the sleeve and acting on the support. The end cap and the tensioning element are electrically conductive to form a part of an electric drive circuit for the actuator, and the actuator has respective electrical contacts at its front and back faces in electrical contact with the end cap and the grounded electrode to complete the drive circuit.
REFERENCES:
patent: 3551764 (1970-12-01), Evans
patent: 4160184 (1979-07-01), Ljung
patent: 4202605 (1980-05-01), Heinz
patent: 4408832 (1983-10-01), Hartman et al.
patent: 4438364 (1984-03-01), Morison
patent: 4588268 (1986-05-01), Aldrich
patent: 4742261 (1988-05-01), Rich et al.
patent: 4940318 (1990-07-01), Ealey et al.
patent: 5037190 (1991-08-01), Ealey et al.
patent: 5210653 (1993-05-01), Schell
Costello Thomas P.
Stopher Ronald W.
Herrmann Allan D.
United Technologies Corporation
LandOfFree
Coaxial integrated deformable mirror actuator/retraction arrange does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Coaxial integrated deformable mirror actuator/retraction arrange, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coaxial integrated deformable mirror actuator/retraction arrange will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-127675