Chairs and seats – Movable bottom – Tiltable
Patent
1985-08-23
1986-08-26
Zugel, Francis K.
Chairs and seats
Movable bottom
Tiltable
297322, 297342, 297320, A47C 102
Patent
active
046078835
ABSTRACT:
A reclining mechanism for easy chair or swivel chair comprising a guide tube and a jack stay, wherein the guide tube is disposed horizontally along the longitudinal direction of the chair in the center above the upper portion of the leg base, having the forward portion thereof extended upwardly in an appropriate angle of elevation. The obliquely extended tube is provided with a guide slot which is formed along the longitudinal line on the upper side thereof and inside the tube at one side wall thereof is mounted a spring plate. The jack stay has its upper end firmly secured to the lower portion of the seat member or seat frame while its front edge being pivotally connected to a guide bar which projects into the guide slot. The guide bar is provided at the lower end thereof with a sliding block which is received and movable in the extended tube. The spring plate constantly presses against the sliding block so as to slow down the movement of the sliding block. In an easy chair adapted with the reclining mechanism of the present invention, the two sides of the back rest or back frame are connected pivotally each at the lower end thereof to an armrest rod which is in fixed connection with the chair seat at an appropriate location on each side by a pivot pin, whereas the rear end of the chair seat remains pivotally attached to the lower end of the back rest with the front end thereof being supported on the guide tube by means of the jack stay. Therefore, in using the easy chair or swivel chair having reclining mechanism of the present invention, when the backrest thereof is pivoted into a reclining position or a forwardly inclined position opposite to the lying-down position or sitting position of the body of the chair occupant, the seat pad will also be involved and moved forwardly or backwardly. During this movement, the guide bar and the sliding block will likewise be moved in the guide tube, and being urged by the pressure of the spring plate, both the movement of the chair seat and the reclination or inclination of the backrest will thereby be slowed down.
REFERENCES:
patent: 2512353 (1950-06-01), Magaldino et al.
patent: 3947069 (1976-03-01), Lusch
patent: 4068888 (1978-01-01), Bottemiller
patent: 4174088 (1979-11-01), Schaefer et al.
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