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1. (WO1988003632) ABAT-JOUR PLIANT
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

WHAT IS CLAIMED IS:

1. A collapsible lamp shade .capable of being folded or rolled for storage or shipping and removably supported on a lamp assembly by a shade frame member having a predetermined perimeter configuration and a known thickness, said lamp shade comprising:
a cover member of flexible material having a peripherally continuous configuration with first and second longitudinally spaced open ends defined by respective upper and lower continuous edges of said material, said cover member having interior and exterior continuous surfaces;
support means projecting inwardly from said interior surface for assembling said cover member on said frame member, said support .means including first* and second channel-defining members projecting inwardly and extending along said interior surface for defining a channel configured to receive said predetermined perimeter of said frame member, said first and said channel-defining members being transversely spaced from one another longitudinally along said interior surface of said cover member, each of said channel-defining members projecting inwardly of said interior surface beyond said predetermined perimeter of said frame member received in said channel;
wherein said channel has an opening facing inwardly from said cover member, said opening having a width dimension extending longitudinally of said interior surface and transversely of said channel, said width dimension being at least as great as said known thickness of said frame member; wherein said second channel-defining member is disposed below said first channel-defining member along said cover member assembled on said frame member;
wherein said second channel-defining member is temporarily distortable during assembly of said cover member on said frame member to permit insertion of said predetermined perimeter into said channel; and
wherein said second channel-defining member comprises: a first elongated member extending in .a substantially continuous path along said interior surface, said first elongated member being resiliently compressible in thickness to provide the said temporary distortability during assembly; and first retention means, secured to said interior surface, for supporting said first elongated member-—substantially adjacent said interior surface.
2. The lamp shade according to claim 1 wherein said first elongated member is a length of transversely and resiliently compressible twine.
3. The lamp shade according to claim 1 wherein said first elongated member is a length of transversely and resiliently compressible foam material.

4. The lamp shade according to claim 1 wherein said first elongated member is a length of transversely and resiliently compressible plastic tubing.
5. The lamp shade according to claim 1 wherein said first retention means comprises a strip of soft flexible material secured to said interior surface and having an elongated sleeve enclosing said first elongated member.
6. The lamp shade capable according to claim 1 wherein said first channel-defining member comprises: a second resiliently and transversely compressible elongated member extending in a substantially continuous path along said interior surface; and second retention means, secured to said interior surface, for supporting said second elongated member adjacent said interior surface.
7. The lamp shade according to claim 6 wherein said first and second retention means comprise a strip of soft and flexible material secured to said interior surface, said strip having first and second transversely spaced sleeves enclosing said first and second elongated members, respectively.
8. The lamp shade according to claim 7 wherein said second elongated member is thicker than said first elongated member.
9. The lamp shade according to claim 7 wherein said first elongated member is thicker than said second elongated member.

10. The lamp shade according to claim 7 wherein said first and second elongated members are first and second lengths, respectively, of transversely compressible twine.

11. The lamp shade according to claim 7 wherein said strip is a two-ply strip of cloth with both plies sewn together at transversely spaced locations to define said sleeves.
12-. The lamp shade according to claim 11 wherein a portion of said strip is folded over said upper edge of said cover member and secured to said exterior surface.
13. The lamp shade according to claim 1 further comprising: rigidifying means, for simultaneously rigidifying said lower edge of said cover member while expanding said lower edge to force contraction of said interior surface proximate said upper edge and about said frame member, said rigidifying means being secured to said cover member proximate said lower edge.
14. The lamp shade according to claim 1 wherein said support means is disposed proximate said upper edge of said cover member.
15. The lamp shade according to claim 1 wherein said frame member includes a rigid outer ring of wire-like material having a generally circular cross-section, wherein the known thickness of said frame member is the diameter of said generally circular cross-section, and wherein said predetermined perimeter of said frame member is defined by the radial extremity of said outer ring;
wherein said frame member further includes:
an engagement member for engaging said lamp assembly at a location interiorly spaced from the interior surface of said cover member; and
a plurality of angularly spaced struts extending between said engagement member and said ring to secure said ring relative to said engagement member;
wherein said lamp assembly includes: a socket member having an upper receiving portion for supporting a light source in a space surrounded by said interior surface; and a harp member having two spring arms joined at a vertex for resilient mutual angular contraction, said arms each having a distal end, said harp member including a stud extending from said vertex in a direction substantially opposite said spring arms;
wherein said engagement member comprises means secured to said lamp assembly for engaging said distal ends of said spring arms on opposite sides, respectively, of said socket member; and
wherein said frame member includes an inner ring adapted to receive said stud member to secure said frame member to said lamp assembly, said inner and outer rings being disposed substantially co-planar; and wherein said engagement member comprises an adapter having an annular portion removably secured to and disposed about said socket member, and first and second receptacles secured to opposite sides of said annular portion receiving the distal ends of said first and second spring arms, respectively, the spacing between said first and second receptacles being less than the spacing between said distal ends of said first and second spring arms in an unstressed state, and wherein said annular portion has an inside diameter greater than the uppermost portion of said socket member to permit said adapter to be assembled on said socket member from above when said light source is removed from said socket member.
16. A collapsible lamp shade capable of being folded or rolled for storage or shipping and removably supported on a lamp assembly by a shade frame member having a predetermined perimeter configuration and a known thickness, said lamp shade comprising:
a cover member of flexible material having a peripherally continuous configuration with first and second 'longitudinally spaced open ends defined by respective upper and lower continuous edges of said material, said cover member having interior and exterior continuous surfaces;
support means projecting inwardly from said interior surface for assembling said cover member on said frame member, said support means including first and second channel-defining members projecting inwardly and extending along said interior surface for defining a channel configured to receive said predetermined perimeter of said frame member, said first and second channel-defining members being transversely spaced from one another longitudinally along said interior surface of said cover member, each of said channel-defining members projecting inwardly of said interior surface beyond said predetermined perimeter of said frame member received in said channel;
wherein said channel has an opening facing inwardly of said cover member, said opening having a width dimension extending longitudinally of said interior surface and transversely of said channel, said width dimension being at least as great as said known thickness of said frame member; wherein said second channel-defining member is disposed below said first channel-defining member along said cover member assembled on said frame member;
wherein said second channel-defining member is temporarily distortable during assembly of said cover member on said frame member to permit insertion of said predetermined perimeter into said channel; and
sleeve means secured to and extending circumferentially along said cover member proximate said lower edge and having an opening therein to permit access into said sleeve means, and a length of wire-like material removably disposed within and along the entirety of said sleeve means, said wire-like material being selectively insertable into and removable from said sleeve means via said opening.
17. The lamp shade according to claim 16 wherein said wire-like material is pre-stressed into an arcuate configuration with a radius of curvature larger than the . radius of said circumferentially extending sleeve means.
18. The lamp shade according to claim 17 wherein said length of wire-like material is slightly greater than the circumferential length of said sleeve means.
19. The lamp shade according to claim 17 wherein said sleeve means is secured to said exterior surface of said cover member and constitutes a strip of decorative trim material for said lamp shade.
20. The lamp shade according to claim 17 wherein said sleeve means is secured to said interior surface of said cover member.
21. A collapsible lamp shade capable of being folded or rolled for storage or shipping and removably supported on a lamp assembly by a shade frame member having a substantially rigid frame ring of predetermined circumference with a known vertical thickness, said lamp shade comprising: .
a cover member of flexible material having a peripherally continuous configuration with first and second open ends defined by respective upper and lower continuous edges of said material, said cover member having interior and exterior continuous surfaces;

support means projecting inwardly from said interior surface for assembling said cover member on said frame member, said support means including:
a strip of cloth material extending lengthwise in a substantially closed circumferential path along the interior surface of said cover member proximate said upper edge, said strip having first and second thickness layers between which upper and lower elongated sleeves are defined and transversely spaced from one another along said circumferential path; and
first and second elongated members disposed within upper and lower sleeves, respectively, to project said sleeves inwardly from said interior surface beyond said predetermined circumference of said frame ring, said second elongated member being resiliently compressible in thickness to permit temporary distortion thereof during insertion " of said frame - ring between said upper and lower inwardly projecting sleeves.
22. The lamp shade according to claim 21 wherein said first and second elongated members are respective lengths of transversely compressible twine.
23. The lamp shade according to claim 21 wherein said frame ring is made of wire material having a substantially circular transverse cross-section with a predetermined diameter, ' and wherein the transverse spacing- between said first and second elongated members is greater than said predetermined diameter.

24. The lamp shade according to claim 21 further comprising:
rigidifying means, for simultaneously rigidifying said lower edge of said cover member while expanding said lower edge to force contraction of said interior surface proximate said upper edge and about said frame member, said rigidifying means being secured to said cover member proximate said lower edge.
25. The lamp shade according to claim 21 further comprising sleeve means secured to and extending circumferentially along said cover member proximate said lower edge and having an access opening therein to permit access into said sleeve means, and a length of wire-like material removably disposed within and along the entirety of "said sleeve means, said wire-like material being selectively longitudinally insertable into and removable from said sleeve means via said access opening.
26. The lamp shade according to claim 25 wherein said wire-like material is prestressed into an arcuate configuration with a radius of curvature larger than the radius of said circumferentially extending sleeve means.
27. The lamp shade according to claim 26 wherein said length of wire-like material is slightly greater than the circumferential length of said sleeve means.
28. The lamp shade according to claim 25 wherein said sleeve means is secured to said exterior surface of said cover member and constitutes a strip of decorative trim material for said lamp shade.
29. The lamp shade according to claim 25 wherein said sleeve means is secured to said interior surface of said cover member.
30. A collapsible lamp shade capable of being folded or rolled for storage or shipping and removably supported on a lamp assembly by a shade frame member having a predetermined circumference, said lamp shade comprising:
a cover member of flexible material having a peripherally continuous configuration with first and second open ends defined by respective upper and lower continuous edges of said material, said cover member having interior and exterior continuous surfaces;
support means projecting inwardly from said interior surface for assembling said cover member on said . frame member; and
rigidifying means for preventing inadvertent collapse of said lower edge of said cover member when said cover member has been assembled on said frame member, said rigidifying means comprising: sleeve means secured to and extending circumferentially along said cover member proximate said lower edge and having an access opening therein to permit access to the inside of said sleeve means; and a length of wire-like material removably disposed within and extend along the entirety of said sleeve means, said wire-like material being selectively insertable longitudinally into and removable longitudinally from said sleeve means via said access opening.
31. The lamp shade according to claim 30 wherein the length of said wire-like material is slightly greater than the circumferential length of said sleeve means.
32. The lamp shade according to claim 31 wherein said wire-like material is prestressed into an arcuate configuration with a radius of curvature larger than the radius of said circumferentially extending sleeve means.
33. A lamp shade capable of being folded or rolled for storage or shipping and removably supported on a lamp assembly, said lamp shade comprising:
a cover member of flexible material having a peripherally continuous configuration with first and second open ends defined by respective upper and lower continuous edges of said material, said cover material having interior and exterior continuous surfaces, said lower edge having a greater parametrial length than said upper edge;
frame means secured to said lamp assembly for mounting said cover member on said lamp assembly;
engagement means disposed on said interior surface of said cover member for receiving said frame means and supporting said cover member on said frame means; and
rigidifying means, for simultaneously rigidifying said lower edge of said cover member and expanding said lower edge to force contraction of said interior surface proximate said upper edge about said frame means, said rigidifying means being secured to said cover member proximate said lower edge.

34. The lamp shade according to claim 33 wherein said cover member, when mounted on said lamp assembly, is generally frusto-conical and said upper and lower edges are substantially annular, and wherein said rigidifying means comprises:
sleeve means secured to said cover member proximate and extending substantially along the entire cover member in a generally circular path having a known radius and circumference, said sleeve means having an access opening; and
wire means of specified length for selective lengthwise

insertion into and removal from said sleeve means via said access opening, said wire means having an arcuate bias position with a radius of curvature greater than the radius of said circular path.
35. The lamp shade according to claim 34 wherein said specified length is greater than the circumference of said circular path.
36. The lamp shade according to claim 33 wherein said frame means includes a substantially rigid hoop, and wherein said rigidifying means includes upper and lower channel- defining members projecting inwardly from said interior surface of said cover member to define a hoop-receiving channel in which, each of said channel-defining members project radially inward beyond the periphery of said hoop.

37. The lamp shade according to claim 36 wherein said upper and lower channel-defining members comprise upper and lower resiliently and transversely compressible ribs extending substantially entirely along said interior surface in transversely spaced relation proximate said lower edge.

38. The lamp shade according to claim 36 further comprising:
an elongated strip of cloth material secured to said interior surface and extending along said circular path, said strip of cloth having first and second longitudinally extending and transversely spaced sleeves defined therein; wherein said upper and lower ribs include first and second lengths of resiliently and transversely compressible material disposed in and extending substantially entirely through said first and second sleeves, respectively.
39. The lamp shade according to claim 38 wherein said resiliently and transversely compressible material is twine.