Sun tracking lounge chair

Details Sun tracking lounge chair Sun tracking lounge chair

1998-10-23

1999-11-02

Barfield, Anthony D.

Chairs and seats

Combined

With electrical feature

29734423, 5656, 607 95, A47C 762

Patent

active

059756306

ABSTRACT:
A lounge chair having a sun tracking positioning mechanism including at least one photo transistor having a lens for focusing sunlight in a straight line path passing through the lens and comprising a motor control circuit that allows a motor to operate for periods of no more than 30 seconds. Should the motor operate for a 30 second period, the system will deactivate. This 30 second cutout allows for controlling of shade times such as when the sun is behind clouds or the like.

REFERENCES:
patent: 4140128 (1979-02-01), Van Der Schaaf
patent: 4379588 (1983-04-01), Speice
patent: 4441220 (1984-04-01), Peterson
patent: 4597119 (1986-07-01), Padgett
patent: 4856520 (1989-08-01), Bilicki
patent: 4933618 (1990-06-01), Ortlieb
patent: 5211172 (1993-05-01), McGuane et al.

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