Chairs and seats – Movable bottom – Tiltable
Patent
1999-03-05
2000-12-12
Jr., Milton Nelson
Chairs and seats
Movable bottom
Tiltable
297337, 29736211, 29736214, 297376, 29741138, 2972845, 29742333, 29742335, A47C 102
Patent
active
061588083
ABSTRACT:
A fully adjustable lounge chair with an independently adjustable back support member, thigh support member and foot support member. A support pole for each of the support members attaches at its lower end to a horizontally disposed push bar. A rolling pinion gear is rigidly attached to each end of a shaft supported within the push bar so that the pinion gears reside at each end of the push bar. A pair of parallel rack type gears mate with the rolling pinion gears. A motorized screw type linear translation mechanism pivotally attached to each of the push bars causes the support members to raise and lower. "U" bracket type hinge members attach each support pole to the underside of each of the back support, thigh support and foot support members. A pair of shafts and associated pivotal hinge points attachs the back and thigh support members to a pair of vertically disposed support plates. A hinge point attaches the thigh support to the foot support so that there are no gaps between said support members regardless of the adjusted angle of the support members. A pair of cylindrical sockets located midway along the side rails of the back support are capable of pivotally holding arm support members. A pair of slidable and lockable channels allows the user to adjust the length of the thigh support member. A preferred embodiment includes a plurality of independent cushions including lumbar support, spine support, neck support, pelvic support and hip supports all capable of being removably attached and adjusted with respect to the back support member.
REFERENCES:
patent: 2661227 (1953-12-01), Murphy
patent: 3132897 (1964-05-01), Linden
patent: 4691964 (1987-09-01), Morgan
patent: 4876755 (1989-10-01), Parrish
patent: 5507562 (1996-04-01), Wieland
patent: 5533787 (1996-07-01), Xiang
Colen Rhoda
Colenbrander August
Colenbrander Jeanne
Margolis Meg
Tarlow Kenneth
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