Knockdown chair

Chairs and seats – Having detachably interfitting parts or components; i.e.,... – Slotted components normal to each other

Patent

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Details

2974114, 29741129, A47C 700

Patent

active

052754677

ABSTRACT:
A knockdown chair kit may be assembled by the end user without glue, nails, rivets or other fasteners and is strong and durable enough to to support an adult human in regular use. The kit is fabricated by means of laser cutting. The chair is made out of plywood, solid wood, wood composite, plastic, metal or other similar thin, flat stock. It uses a series of hooks, which hooks fit into slots having matched positions, in order to rigidly interlock the component members of the chair together and prevent them from pulling apart. A series of pegs are flush-mount, i.e. their height equals the thickness of the planar stock, so as not to project outwardly therefrom. A feature of the knockdown furniture kit is the use of a pair of hooks to grasp matched slots in the two ends of a U-shaped arm rest. The pair of hooks anchor the arm rest horizontally so as to present a flat surface for the user's arms to rest upon. At the same time, the arm rest itself remains in a stressed curved position, which position locks all previously assembled pieces together into one rigid whole.

REFERENCES:
patent: 2615505 (1952-10-01), Friedlander
patent: 2784774 (1957-03-01), Andreef
patent: 3087758 (1963-04-01), Deaton
patent: 3466092 (1969-09-01), Virany
patent: 3485527 (1969-12-01), Barghout
patent: 3909064 (1975-09-01), Payne et al.
patent: 4712837 (1987-12-01), Swilley
patent: 4919485 (1990-04-01), Guichon
patent: 5011228 (1991-04-01), Marcantel
patent: 5082329 (1992-01-01), Mars
patent: 5088180 (1992-02-01), Nottingham et al.

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