Drop-in unit, grid insert therefor and method of making same

Details Drop-in unit, grid insert therefor and method of making same Drop-in unit, grid insert therefor and method of making same

1993-05-19

1994-12-27

Oberleitner, Robert J.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

267101, 5267, F16F 300

Patent

active

053758200

ABSTRACT:
A drop-in spring assembly unit and method of manufacture of furniture. The assembly unit includes a plurality of spring elements coupled together by unique individual grid inserts, a wire base that may be customized to customer specifications and a border wire surrounding the top perimeter of the unit. The grid inserts are assembled prior to assembly of the drop-in unit and are coupled to spring elements by cushion clips.

REFERENCES:
patent: 4055337 (1977-10-01), Laiche
patent: 4480823 (1984-11-01), Marcinczyk
patent: 4867423 (1989-09-01), Marsh
patent: 5184802 (1993-02-01), Galumbeck

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