Illumination – With static structure – Pavement
Patent
1987-07-21
1988-05-10
Schwadron, Martin P.
Illumination
With static structure
Pavement
200 86R, 362234, F21S 114
Patent
active
047440155
ABSTRACT:
This invention relates to a mat-type entrance lamp to be placed before the front door or gate to facilitate a person to unlock the door or gate in the dark. The lamp comprises a lamp base, a mat member and a switch platform. The lamp base has two through holes and a battery room for batteries to supply energy to the lamp. The mat member has two posts with bulbs to fit in the said through holes, and a recess with a contact projection and three rubber supports which are higher than the projection . The switch platform is sized to fit in the said recess and has a contact plate on the bottom side. The batteries, bulbs and contact plates are connected with cords in such way that when a person stands on the platform, they will make an electric circuit and the lamp will go on.
REFERENCES:
patent: 1334805 (1920-03-01), Sherman
patent: 1355573 (1920-10-01), Rundback
patent: 1391591 (1921-09-01), Stevens
patent: 1411167 (1922-03-01), Cutshall
patent: 1438592 (1922-12-01), Fraser
patent: 1494656 (1924-05-01), Wherland
patent: 1558538 (1925-10-01), Fick et al.
Hagarman Sue
Schwadron Martin P.
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