Martin J Lawless

US Patent:

52111725, May 18, 1993

Filed:

Mar 29, 1991

Appl. No.:

7/677235

Inventors:

Joseph B. McGuane - Shirley MA
Martin J. Lawless - Shirley MA

International Classification:

A61H 3306

US Classification:

128377

Abstract:

Apparatus for rotating a sunbather's lounge chair in the sun so that the sunbather lying on the chair is exposed to the sun even while the sun direction changes from sunrise to sunset includes a sun direction detector for detecting the relative direction of the sun direct rays to the chair and produces electrical signals representative of that relative direction, the chair being carried on a rotatable platform driven clockwise (CW) or counterclockwise (CCW) as requires to position the lounge chair in the direct rays of the sun; the sun direction detector including two directional photo-detectors on the rotatable platform, held with their directions normal to generally upright planes that meet at an angle less than 180. degree. , and the drive driving the platform to maintain the outputs of the photo-detectors equal or in a predetermined relationship.

Address:

58 Holden Rd, Shirley, MA 01464

Phone:

9784259062

VIN:

WBAVA33507PV67755

Make:

BMW

Model:

3 SERIES

Year:

2007