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US 4,459,714 AGranted
Multi-function cushion and its assemblies
OwnerJinn P. Lininventor
Life of this patent
Estimating the term…
Abstract
This invention provides a multi-function cushion and its assemblies, which is made of a tough and flexible plastic cloth being soldered together with supersonic (or high frequency) wave heating means to form a suitable geometric shape. On the circumference, some lugs with assembling hole are furnished. After being filled with air or water, said cushion will become an air cushion or water cushion to be used on the water or the land; in addition, a plural number of said cushions may be assembled together with hook ring, or link and cord to form various shapes for many purposes.
Claims1
A portable multi-function cushion assembly comprising:
- a plurality of hollow inflatable square shaped cushions extending side by side in a contiguous array, each said cushion made up of a tough and flexible plastic material having (i) a centrally positioned circular I-beam band having passages therethrough disposed in adhering communication with a pair of opposing inside surfaces of each said cushion and (ii) a second I-beam band having passages therethrough disposed in adhering communication with said pair of opposing inside surfaces and surrounding said circular I-beam band,providing means for adjusting to an external impact force applied to each said cushion to promote the stability thereof, a lug at each corner of each said cushion, each lug having a hole therethrough, adjacent respective corners of side by side cushions defining respective pairs of adjacent lugs, and intercushion connecting links, each said link disposable through a respective pair of said adjacent lugs, each said link having two ends forming an opening therebetween, said ends having flat semi-circular faces, releasably matable fastening studs and holes in each said face for closing said opening.
Dependencies are inferred from the claim text.