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US 2004/0000260 A1Published application
Portable cradle
OwnerMichael Connorinventor
Life of this patent
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Abstract
Described is a portable cradle which includes a removable planar surface, a base and a plurality of vertical support members removably coupled to the base and supporting the planar surface above the base. Each vertical support member includes a biasing member urging the planar member upward away from the base with a total biasing force applied to the planar member being selected based on property of materials to be supported on the planar surface so that a position of an upper surface of the supported materials remains substantially constant as a quantity of materials supported on the planar surface is changed.
Claims19
A portable cradle, comprising:
- a removable planar surface;
- a base;
- and
- a plurality of vertical support members removably coupled to the base and supporting the planar surface above the base, each support member including a biasing member urging the planar member upward away from the base with a total biasing force applied to the planar member being selected based on property of materials to be supported on the planar surface so that a position of an upper surface of the supported materials remains substantially constant as a quantity of materials supported on the planar surface is changed.
1 more element
Dependencies are inferred from the claim text.