Extension device for a lamp harp assembly

Details Extension device for a lamp harp assembly Extension device for a lamp harp assembly

1988-09-23

1989-07-25

Husar, Stephen F.

Illumination

Supports

Modifier support

362417, F21V 1700

Patent

active

048519812

ABSTRACT:
An extension device is provided for use in a lamp harp assembly of the type that includes a lamp-mounted base bracket having a pair of arms that each include an approximately U-shaped cross-section wall defining a channel having a generally vertically oriented slot and a top end opening for removably receiving the bottom end of a leg of a bail to which can be mounted a shade. The device includes a pair of rigid members which each have an upper portion having a top end opening for receiving the bottom end of the bail leg. Each member further includes a lower portion extending from the upper portion and having a laterally extending peripheral retaining ring for defining an aperture into which can be inserted the base bracket arm wall. The lower portion also has a generally vertically oriented, inwardly offset retaining tab for being inserted into the open top end of the bracket arm wall to engage the wall.

REFERENCES:
patent: 1537789 (1925-05-01), Yentis et al.
patent: 1946959 (1934-03-01), Auerbach
patent: 2408522 (1946-10-01), Leef
patent: 4096556 (1978-06-01), Berger et al.
patent: 4229784 (1980-10-01), Noguchi
Photographs A-F of a Harp Extender Device, (no date given).

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