US PATENT SUBCLASS 267 / 91
.~ Spring panel comprises vertically oriented compressible coil springs

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

80  DF  SPRING PANEL {9}
91.~ Spring panel comprises vertically oriented compressible coil springs {10}
92  DF  .~.~> Plural superposed coils
93  DF  .~.~> Panel comprises spring of varying capacities
94  DF  .~.~> With padding protector on spring end
95  DF  .~.~> Loading surface includes component other than coil spring
96  DF  .~.~> With resilient side or end, e.g., edge roll
97  DF  .~.~> With reinforcement or extension for border wire
98  DF  .~.~> With diagonal surface-to-frame brace
99  DF  .~.~> Resiliently mounted on frame by tensile springs
100  DF  .~.~> Mounted on frame spanning strips
101  DF  .~.~> Spring rows supported by row separating stringers

DEFINITION

Classification: 267/91

(under subclass 80) Device wherein the panel is composed of a series of spiral springs, arranged with the axes of the spirals parallel to each other and aligned in the direction the load is received, and in which the spiral springs are of the type which receive the load in compression.

SEE OR SEARCH THIS CLASS, SUBCLASS:

166+, for helical coil-spring element, per se.

SEE OR SEARCH CLASS

5, Beds,

248, and 256 for a bedstead having only coil-springs.

140, Wireworking, 3, for a method of making a coil-spring mattress.