Futon. Saturday , April 21st , 2018 - 11:35:51 AM
When the futon industry was born back in the 1980's, the frames were well thought out and well constructed. Whether it was softwoods or hardwoods, the frames featured good fundamental designs made from solid wood. These futon frames would incorporate new working mechanisms and ideas in operation that made futons appealing not only in their design but in the quality of materials and construction that went into them. The futon industry was doing well and growing with these frames heading into the 1990's but then the black metal futon frame came onto the scene.
Arm rests should be glued and screwed together. Remember that glue is an excellent bonding agent for a the type of wood your futon frame is likely made out of. Gluing and screwing a futon frame together is even more desirable. The screw not only adds reinforcement, but is drives the wooden pieces closer together acting like a vice while the glue dries before shipping.
October of 1991 saw another group of inventors including Mark S. Barton, Kurt J. Bandach and Mark E. Schlichter introduce an interesting concept of a pivoting pawl as they referred to it. This was basically a specially designed block that would hang on the seat section that would engage against a step located on the back rest and using gravitational force influences the pawl to both hang unengaged when the futon is in an upright position and to engage when the seat is lifted and the pawl engages against the step to allow the frame to be operated while standing in front and returns the futon from a bed position back into a seating position. This patent was assigned to August Lotz Co., Inc. who implemented this design into their successful line of futon products. This marked an interesting approach to frame conversion as now the frame was facilitating the movement back into a sofa position by having pawls engage into steps designed into the back rest of the frame.
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