Multiposition chair

Details Multiposition chair Multiposition chair

1991-06-12

1992-06-23

Brown, Peter R.

Chairs and seats

Collapsible chair; i.e., relatively folding bottom, back,...

With means to hold chair in plural operative configurations

297126, 297377, 297423, A47C 412

Patent

active

051236974

ABSTRACT:
A multiple-position chair has a main frame, a lower frame, and an intermediate frame. The main frame has a pair of parallel longitudinal side bars having lower ends normally engaging the ground and upper ends and a transverse bar interconnecting the lower ends. The lower frame has a pair of parallel side bars having upper ends pivoted about a lower transverse axis on the main frame intermediate the main-frame ends and lower ends normally engaging the ground. The lower-frame side bars each are formed intermediate their ends with a row of upwardly open seats. Another transverse bar interconnects the lower ends of the lower-frame side bars. The intermediate frame has a pair of parallel side bars having upper ends pivoted on the main-frame side bars about an intermediate transverse axis at the main-frame upper ends and lower ends and a transverse bar interconnecting the lower ends of the intermediate-frame side bars and fittable in the seats of the lower frame side bars. All the transverse bars are generally parallel. A flat main support is generally centrally pivoted on the frames about the lower transverse axis at the upper ends of the lower frame and an intermediate flat support is generally centrally pivoted on the frames about the intermediate transverse axis at the upper ends of the main frame.

REFERENCES:
patent: 780311 (1905-01-01), Steinbach
patent: 2627899 (1953-02-01), Grotefend
patent: 3083999 (1963-04-01), Silva
patent: 4614378 (1986-09-01), Picou

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