Appeal No. 2006-0790
Reexamination Control No. 90/005,117
connected between the tread base and the upright
structure to assist in stably retaining said tread
base in said second position relative to said upright
structure with said tread base in said second
5 position.” (Substitute appeal brief at 7-11.)
13. Teague describes a recess or cabinet bed of the type
in which a bed is mounted at its head upon a
counterbalancing mechanism provided to support the bed
as it swings between its horizontal or “open position”
10 in use and its vertical or “closed position” in
storage. (Column 1, lines 5-11; Figures 1-4.)
14. Teague teaches that the bed includes an improved
counterbalancing mechanism facilitating movement
between these two stable positions. (Column 1, lines
15 12-68.)
15. As part of the counterbalancing mechanism, Teague
teaches (column 2, line 1 to column 3, line 68) the
use of gas springs 56, which “provide the lifting
force or moment to move the bed up to the position
20 where its center of gravity passes over the pivot
axis, but when the bed continues to move toward the
fully closed position, the springs reverse their
8
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