Lampshade with arcuate walled flexible connecting mechanism

Details Lampshade with arcuate walled flexible connecting mechanism Lampshade with arcuate walled flexible connecting mechanism

1978-06-19

1981-01-13

Nelson, Peter A.

Illumination

Light source and modifier

Including reflector

362351, 362360, 362361, 24 3M, 24 73PC, 24 73RM, 24 73PM, F21V 700

Patent

active

042452830

ABSTRACT:
A lampshade for mounting on a lamp for varying the illumination intensity of the lamp which allows flexible lampshade panels to be removeably mounted in various shapes to a frame. The frame includes a plurality of rigid, vertical support members with each support having a pair of arcuate shaped rigid supports which form a concave frame recess for receiving one side edge of a panel which is inserted between adjacent frame members. In an alternate embodiment, a flexible connector having a pair of arcuate walls connected by a central wall perpendicular thereto is disposed in a slot in a rigid vertical support member which allows for flexibly tensioning panels connected thereto along their sides. In either embodiment the particular final shape of the panel between adjacent frame members may be altered depending on the distance between the support members and the size of the panel inserted therein.

REFERENCES:
patent: 912426 (1909-02-01), Sibley
patent: 1867562 (1932-07-01), Burke
patent: 2608644 (1952-08-01), Flint
patent: 2683800 (1954-07-01), Tradelius
patent: 3582643 (1971-06-01), Heise
patent: 3689762 (1972-09-01), Shatan
patent: 3757110 (1973-09-01), Soboleski
patent: 3764801 (1973-10-01), Mainieks
patent: 4061913 (1977-12-01), Ross
patent: 4091815 (1978-05-01), Larsen
patent: 4143411 (1979-03-01), Roberts

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