Flat mirror mounting flexure

Optical: systems and elements – Mirror – With support

Patent

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Details

2484751, G02B 7182, A47F 714

Patent

active

058018913

ABSTRACT:
A flexure structure for mounting an element such as a mirror in an optical device to a frame such as a telescope support structure includes a flexure blade defining a fork having three coplanar tines. A first mounting pad is located on the center tine for attaching the flexure blade to the mirror. A pair of mounting feet are located on the outside tines for attaching the flexure blade to the frame. The relative sizes of the tines being such that zero moment is applied to the mirror by the flexure structure when the mirror is displaced relative to the frame.

REFERENCES:
patent: 4850674 (1989-07-01), Hasselskog
patent: 5313333 (1994-05-01), O'Brien et al.
patent: 5383168 (1995-01-01), O'Brien et al.
patent: 5526193 (1996-06-01), Anzai
patent: 5532882 (1996-07-01), Lamper et al.
patent: 5550669 (1996-08-01), Patel
Dynamics Research Corp., Wilmington, MA 01887, printed ad for Hollow Shaft Rotary Encoders,Machine Design, Jan. 16, 1997, p. 19.

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