Armchair structure having an adjustable anatomical configuration

Details Armchair structure having an adjustable anatomical configuration Armchair structure having an adjustable anatomical configuration

1985-07-31

1986-11-11

Zugel, Francis K.

Chairs and seats

Bottom or back with means to alter contour

297373, 297440, A47C 300

Patent

active

046218661

ABSTRACT:
An armchair structure having an adjustable anatomical configuration comprises two lateral stringer assemblies (2) composed of sets of interlinked articulation elements (3) each of which is constituted by flat plate part (4) having connector portions (5,6) at each end. Each connector portion (5,6) has a central aperture (8) radially from which extend serrations (7) so formed that the serrations on a first connector portion (5) are formed on one face of the plate part (4) and the serrations on a second connector portion (6) are formed on the opposite face whereby adjacent articulation elements (3) can be interconnected by face-to-face engagement of cooperating first and second connector portions (5,6). A clamping bolt secures these connector portions together in a selected relative orientation.

REFERENCES:
patent: 318250 (1885-05-01), Hildebrand
patent: 3379472 (1968-04-01), Hilfiker
patent: 3404915 (1968-10-01), Filho
patent: 3877750 (1975-04-01), Scholpp
patent: 4484782 (1984-11-01), Larson

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