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US 12,767,383 B2Granted
Resilient cardboard cushion
AssigneesYfyjupiter US, Inc., Yfy Jupiter Limited
InventorChih-Ling Lo
Life of this patent
Estimating the term…
Abstract
A resilient cardboard cushion includes a top supporting board, a folded cardboard spring, a bottom supporting board, and a slidable supporting foot. The folded cardboard spring is connected to a first side of the top supporting board, the bottom supporting board is connected to the folded cardboard spring, and the slidable supporting foot is connected to a second side of the top supporting board and is configured to be slidably engaged with the bottom supporting board.
Claims17
A resilient cardboard cushion, comprising:
- a top supporting board;
- a folded cardboard spring connected to a first side of the top supporting board;
- a bottom supporting board connected to the folded cardboard spring;
- and
- a slidable supporting foot connected to a second side of the top supporting board and configured to be slidably engaged with the bottom supporting board;
- wherein the first side of the top supporting board and the second side of the top supporting board form a first included angle, and the first included angle is 90 degrees.
3 more elements
Dependencies are inferred from the claim text.