Elevated swivel chair having a movable foot support for locking

Details Elevated swivel chair having a movable foot support for locking Elevated swivel chair having a movable foot support for locking

1981-06-08

1983-10-11

Zugel, Francis K.

Chairs and seats

Bottom or back

Framework

248418, A47C 750

Patent

active

044088019

ABSTRACT:
A swivel chair of the type comprising a seat which is supported at an elevated position above a base for swiveling motion relative to the base, and which has a foot support disposed between the base and seat for aiding a user of the chair to ascend to the elevated seat, is provided with clamping elements that are responsive to foot pressure applied to the foot support for preventing swiveling motion of the seat relative to the base when such foot pressure in excess of a predetermined amount is applied. The clamping elements preferably comprise an inclined surface on a bracket that pivotally supports the foot support, and a wedge-shaped element that is disposed between the inclined surface and the pillar of the swivel chair for axial displacement in response to pivotal motion of the foot support resulting from the application of foot pressure thereto.

REFERENCES:
patent: 21469 (1858-09-01), Hartman
patent: 2854061 (1958-09-01), Romito
patent: 4148524 (1979-04-01), Guyton
patent: 4369997 (1983-01-01), Desanta

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