Supports – Mirror or picture type – Bracket
Reexamination Certificate
2009-02-13
2011-11-15
Baxter, Gwendolyn W (Department: 3632)
Supports
Mirror or picture type
Bracket
C248S468000, C359S872000
Reexamination Certificate
active
08056879
ABSTRACT:
A high precision mirrormount comprises a retaining plate retaining reflecting mirror; an adjusting plate behind the retaining plate; a retaining ball fixed between the retaining plate and the adjusting plate; a fine-adjusting plate installed at the backside of the adjusting plate; a tension shaft fixed to the adjusting plate and exposing out of the fine-adjusting plate; tension springs being installed around the tension shaft; a first adjusting screw serving to coarsely adjust the adjusting plate to move closer or far away from the retaining plate; and a second adjusting screw having one end resisting against an elastic element which has an elastic coefficient of the elastic element being very smaller than those of the tension springs. Thus, the second adjusting screw has an effect of fine adjustment. In 2D case, two above structures are formed along an X axis and a Y axis respectively.
REFERENCES:
patent: 4925288 (1990-05-01), Harris
patent: 5703683 (1997-12-01), Hunt et al.
patent: 5798879 (1998-08-01), Salvio
patent: 6411447 (2002-06-01), Hilbert
Chang Peter
Chang Sie-Poon
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