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Articulated adjustable bed having a single motor drive

  • US 4,385,410 A
  • Filed: 02/09/1981
  • Issued: 05/31/1983
  • Est. Priority Date: 02/09/1981
  • Status: Expired due to Fees
First Claim
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1. In an adjustable bed having an adjustable frame that supports an articulated mattress including at least first, second and third sections adjusted by adjustment of said frame, the improvement comprising:

  • support sections forming the sides of said frame;

    at least one lateral support member joining said support sections;

    a single motor mounted within said frame upon said lateral support member;

    said frame having a first adjustable section to support and adjust said first section of said articulated mattress and a second adjustable section to support and adjust said third section of said mattress, said second section thereof being mounted upon said frame;

    said first and second adjustable sections pivotally mounted upon said adjustable frame;

    mechanical drive means connecting said single motor to said first adjustable section of said frame for raising and lowering said first section;

    linkage means connected from said first adjustable section to said lateral support member and then to said second adjustable section for raising and lowering said second adjustable section, including;

    (a) a pivot converter mounted upon said lateral support member;

    (b) a first push linkage means attached from said first adjustable section to said pivot converter; and

    (c) a second pull linkage means attached from said pivot converter to said second adjustable section wherein the raising of said first adjustable section will push said first push linkage against said converter for pulling said second pull linkage against said second adjustable section for raising said second adjustable section.

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