Futon. Monday , April 16th , 2018 - 06:56:07 AM
In December 1991 Thomas L. Meade submitted a convertible furniture frame patent (Patent Number 5170519) that did not use arms in its design for assisting conversion of the futon but a hinges and stops arrangement. The seat and back sections incorporated pieces of lumber beneath them to act as supports. There were two of these used on each section that when laid down in a bed position would rest on these supports. The genius in this design was its ability to pivot on a set of nylon wheels located towards the lower back of the seat section supports. All one has to do was tilt the frame back on the wheels which would put the back rest on the floor and pull the seat section up to unlock it and lower it down into a bed position. This design was simple, functional and easy to operate without the need for arms on the ends of the frame to help in the futons conversion.
When it comes to futon mattress materials, you will want one that uses a mixture of cotton and wool as these are the softest of the lot. The cotton and polyester types are also good, as well as extremely light. Light mattresses are vital if you're planning on using them as a sofa or if you're constantly changing premises - they're just a lot more mobile. Pick the heavier mattresses if you're using it only as a bed - these provide a lot more stability and tend to not shift around a lot when you sleep.
The other issue would be in the way people could feel the bars through these thin mattresses. Because the bars were round and the mattresses had nothing in the way of support, you could lay on the mattress and feel each bar across the mattress. For some this may have been all they could afford in the way of futon. Unfortunately the import manufacturers of these frames and mattresses weren't helping anyone to get a comfortable sofa bed with the materials being used.
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