Elevating mechanism with an elasticity compensative function...

Details Elevating mechanism with an elasticity compensative function... Elevating mechanism with an elasticity compensative function...

2008-08-07

2011-12-20

Wood, Kimberly (Department: 3632)

Supports

Stand

Standard type

C248S599000, C248S602000, C248S161000, C248S157000, C248S917000, C108S147190, C361S679050, C403S109100

Reexamination Certificate

active

08079563

ABSTRACT:
An elevating mechanism includes a sleeve having a first end and a second end, and an elevating component installed inside the sleeve and having a third end and a fourth end. When the elevating component is located in a first position relative to the sleeve, a main spring is compressed by the elevating component at a first deformation. When the component is located in a second position relative to the sleeve, the main spring is compressed by the elevating component at a second deformation. The first deformation is greater than the second deformation. When the elevating component is located in the first position relative to the sleeve, a complementary spring is compressed at a third deformation. When the component is located in the second position relative to the sleeve, the complementary spring is compressed at a fourth deformation. The third deformation is greater than the fourth deformation.

REFERENCES:
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patent: 2002/0088910 (2002-07-01), Sweere et al.
patent: 2006/0219849 (2006-10-01), Chiu
patent: 2007/0034756 (2007-02-01), Tsai et al.

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