US1618978A

US1618978A - Lamp shade

Info

Publication number: US1618978A
Application number: US84948A
Authority: US
Inventors: Dembitz Isidor
Original assignee: Individual
Current assignee: Individual
Priority date: 1926-01-30
Filing date: 1926-01-30
Publication date: 1927-03-01
Anticipated expiration: 1944-03-01

Description

I. DEMBITZ LAMP SHADE March 1 1927.

Filed Jan. 1926 INVENTOR IJ'IDOQ DE/VB/TZ ATTORNEYJ enema Mar. 1, 1927.

PATENT OFFICE.

ISIDOR DEMBITZ, OF NEW YORK, N. Y.

LAMP

Application filed January My invention relates to means for securing the pleated coverings of lamp shades to the frame and has for its object to provide simple effective and economical means for this purpose. I

My invention consists of a lamp frame consisting usually of longitudinal members and upper and lower circumferential members secured to the upper and lower ends of the longitudinal members in which one or both of the circumferential members preferably the lower circumferential member is formed with, a continuous series of undulations corresponding in spacing and depth to the pleats so that alternate pleats will be received in and will receive the inward and outward undulations of the member and thus conveniently hold the pleats properly spaced, the pleated covering to be bound around the frame in the usual way by a cord, ribbon or band.

In order that my invention may be fully understood, I shall first describe in detail the mode in which I prefer to carry the invention into practice and then particularly point out the invention in the claim.

Reference is to be had to the accompanying drawings forming part of this specification in which like parts are designated by the same numbers in both figures.

Figure 1 is a side elevation of a lamp shade embodying my invention, part of the covering being removed.

Figure 2 is a plan View of the lamp shade inverted.

Referring to the drawings, 1 designates the usual longitudinal members of the lamp shade frame, 2 the upper circumferential member, 3 the lower circumferential member, 4: the usual upper support to reston the lamp and hang the shade over the lamp, 5 the pleated covering of the lamp shade and 6 the usual cords for binding the covering around the frame.

Conveniently to hold the pleats of the SHADE.

so, 1926. Serial No. 84,948.

iorm a continuous succession of external notches 7, and intervening projections 8 corresponding to the desired spacing of the pleats. In the notches 7 the inner angles of the pleats are received and retained against circumferential motion and the intervening projections 8 of the wire are received in the outer angles of the pleats so that the pleats of the covering are securely and in a simple fashion held in the desired position and spacing. It is evident that instead of forming the notched member 3 of wire, it might be formed of stamped metal and might have either the external notches for spacing the pleats without the intervening projections 8 or it might have projections 8 without the intervening notches without departing from the boundaries of my invention as defined in the following claim.

I claim as my invention A frusto-conical frame for a plaited lamp shade comprising an upper cover support of wire formed as a circle, an inner circle of wire concentri with said support and adapted to seat on a lamp bulb, wires radiating from the inner circle to the outer circle and connecting the two rigidly to each other, a lower cover support parallel to the upper support, and corrugated to receive and space the plaits of the lamp shade cover, supporting means connecting the lower support with the upper support to suspend the former from the latter, and a frusto-conical plaited cover having the plaits thereof seated in the corrugations of the lower support, and means for fastening said cover to said frame.

In testimony whereof I atliX my signature.

ISIDOR DEMBITZ.