Mattress core with replaceable inner blocks

• US 10,258,164 B2
• Filed: 11/12/2015
• Issued: 04/16/2019
• Est. Priority Date: 07/09/2015
• Status: Active Grant

• Current Assignee: Lei Shi
• Original Assignee: Lei Shi
• Inventors: Shi, Lei
• Primary Examiner(s): Polito, Nicholas F
• Application Number:
  US14/939,429
• Publication Number:
  US 20170007035A1
• Time in Patent Office: 1,251 Days
• CPC Class Codes: A47C 27/001 with several cushions, mattresses or the like, to be put together in one cover
• CPC Class Codes: A47C 27/06 Spring inlays
• CPC Class Codes: A47C 27/144 inside the mattress or cushion
• CPC Class Codes: A47C 27/15 consisting of two or more layers A47C27/16 takes precedence
• CPC Class Codes: A47C 27/22 with both fibrous and foamed material inlays

Abstract

A mattress core with replaceable inner blocks includes a base, an open slot A located in the upper portion of the base, an open slot B located in the lower portion of the base, an inner block located within slot B and shaped to partially fill up slot B with the remaining space forming a groove in slot B, a strip-shaped inner block made of soft material and fit into the groove, and a cover plate configured to fit in said slot A.

Claims

1. A mattress core comprising:

a base, the base having an open slot A located in an upper portion of the base and an open slot B located in a lower portion of the base, wherein at least one of a horizontal length of slot A and a width of slot A are larger than a horizontal length of slot B and a width of slot B respectively, and the horizontal length of slot B extends for a majority of a length of the base lower portion and the width of slot B extends for a majority of a width of the base lower portion;

a one piece inner block located within the base lower portion slot B and shaped as a rectangle block to fill in the majority of the base lower portion slot B with the base lower portion having a remaining space forming a groove within slot B, wherein the groove is shaped as a small rectangle block and accommodates a human arm and shoulder, and the inner block and the groove completely fill up slot B;

a one-piece strip-shaped inner block located within the base lower portion groove wherein the base lower portion is completely filled in by said inner block and strip-shaped inner block; and

a cover plate complementary to the base upper portion slot A to completely fill in the base upper portion slot A.

2. The mattress core of claim 1 wherein the inner block is a replaceable inner block comprised of at least one of sponge, spring, and palm.

3. The mattress core of claim 1 wherein the strip-shaped inner block is comprised of compressible material.

4. The mattress core of claim 1 wherein the cover plate is complementary to slot A, and the inner block in slot B contacts the strip-shaped inner block and the combination of the inner block and the strip-shaped inner block is complementary to slot B.

5. The mattress core of claim 1 wherein one of the horizontal length of slot A and the width of slot A is equal to the horizontal length of slot B and the width of slot B respectively.