EP0979970B1 - Lampshade fitting for shading a lamp bulb and a lamp socket - Google Patents
Lampshade fitting for shading a lamp bulb and a lamp socket Download PDFInfo
- Publication number
- EP0979970B1 EP0979970B1 EP98306363A EP98306363A EP0979970B1 EP 0979970 B1 EP0979970 B1 EP 0979970B1 EP 98306363 A EP98306363 A EP 98306363A EP 98306363 A EP98306363 A EP 98306363A EP 0979970 B1 EP0979970 B1 EP 0979970B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- annular
- lampshade
- upper wall
- restraining member
- portions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/08—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages onto the supporting or suspending arrangements of the lighting device, e.g. power cords, standards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/20—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by toggle-action levers
Definitions
- This invention relates to a lampshade fitting for shading a lamp and a lamp socket, more particularly to a lampshade fitting with a lampshade-retaining assembly and a lampshade which is assembled conveniently on the lampshade-retaining assembly.
- a conventional ceiling fan 10 with a lamp assembly 20 is shown to include a lamp seat 21, a lamp socket 22 mounted in the lamp seat 21 for connecting with a lamp bulb 23, and a lampshade 24 mounted on the lamp seat 21.
- the lamp seat 21 has a lower ring 211 formed with a plurality of screw holes 212.
- the lampshade 24 has an annular upper wall which is formed with an annular groove 241.
- a plurality of screw fasteners 25 pass through the screw holes 212 and engage the annular groove 241 so as to retain the lampshade 24 on the lamp seat 21.
- the object of the present invention is to provide a lampshade fitting that includes a lampshade-retaining assembly and a lampshade which is conveniently and steadily retained on the lampshade-retaining assembly without the use of screw fasteners.
- a lampshade fitting includes a shank, and a retaining member with an annular mounting portion mounted on the shank, and at least two resilient arms extending downwardly from the mounting portion and straddling away from an axis of the shank.
- the arms have proximate and distal portions relative to the annular mounting portion. The distance between the proximate portions is smaller than that between the distal portions.
- An annular restraining member is formed with at least two engaging portions on its inner periphery for sliding engagement with the arms. Each engaging portion is movable from a first position where the engaging portion acts against a first biasing action of the respective distal portion, to a second position the engaging portion acts against a second biasing action of the respective proximate portion.
- a lampshade has an annular upper wall with an inner periphery, and a skirt portion flaring downwardly from the annular upper wall.
- a lampshade fitting according to the present invention is shown to comprise a shank 80 with an upper end 81 to be connected to a base seat of a pendant lamp (not shown), a lower end 82 which is formed with a annular flange 83 and an insert portion 84, and a through hole 85 which extends along an axis of the shank 80.
- a cap member 30 has an arcuate mounting portion 31 that is formed with a through hole 33 for passage of the insert portion 84 of the shank 80 and that abuts against the annular flange 83, and a skirt portion 32 that extends downwardly from the mounting portion 31.
- a retaining member 40 has an annular mounting portion 41 with a through hole 42 for downward passage of the insert portion 84.
- a support seat 90 has an upper ring 93 which abuts against the mounting portions 41,31 and which is secured on the insert portion 84 so as to clamp the cap member 30 and the retaining member 40 securely between the upper ring 93 and the annular flange 83.
- the support seat 90 further has a lug portion 921 which extends downwardly from the upper ring 93 and which has a lower mounting portion 922 for engaging securely a lamp socket 94 with the use of a screw 96. Electrical lead wires 95 of the lamp socket 94 pass through the upper ring 93 and the through holes 42,33 and extend into the shank 80.
- the retaining member 40 further has a pair of resilient arms 43 which extend downwardly from an outer periphery of the mounting portion 41 and which straddle away from the axis of the shank 80.
- the arms 43 include proximate and distal portions 43a, 43b relative to the mounting portion 41.
- a first distance is formed between the proximate portions 43a in a transverse direction of the axis, and is substantially smaller than a second distance formed between the distal portions 43b.
- each distal portion 43b has an enlarged end 431 with a lip portion 432.
- a compression spring 50 is sleeved on the arms 43, and has an upper end 51 abutting against the cap member 30 and a lower end 52 abutting against an annular retraining member 60.
- the retraining member 60 has an outer periphery 601, an inner periphery 602, and an intermediate portion 603 between the inner and outer peripheries 602,601.
- the inner periphery 602 is formed respectively with a pair of notches 61 that serve as engaging portions, and two pairs of protrusions 62, each pair of which project inwardly from the inner periphery 602 opposite to the respective notch 61.
- a third distance is formed between the notches 61 and is somewhat smaller than the first distance between the proximate portions 43a.
- the restraining member 60 when the restraining member 60 is sleeved on the arms 43 with the notches 61 engaging the arms 43, the restraining member 60 is slidable from a first position where the retraining member 60 act against a first biasing action of the distal portions 43b (as shown in Fig. 4), to a second position where the restraining member 60 act against a second biasing action of the proximate portions 43a (as shown in Fig. 6).
- the aforementioned components can be assembled to form a lampshade-retaining assembly for retaining a lampshade 70.
- the lampshade 70 has an annular upper wall 71 with an inner periphery 711, and a skirt portion 72 which flares downwardly from the annular upper wall 71.
- the upper wall 71 When assembling the lampshade 70 on the lampshade-retaining assembly, the upper wall 71 is brought along the axis to receive the distal portions 43b by the guidance of the lip portions 432 at the enlarged ends 431, thereby pushing the restraining member 60 at the first position toward the shank 80 via abutment with the intermediate portion 603. Further, when the annular upper wall 71 continues to push the restraining member 60 upwardly to the second position, the skirt portion 72 will be biased by the distal portions 43b so as to urge the annular upper wall 71 to abut against the restraining member 60 at the second position, as shown in Fig. 6. The cap member 30 can conceal the annular upper wall 71 at this time.
- the lampshade 70 can be disassembled from the lampshade-retaining assembly.
- protrusions 62 prevent the movement of the enlarged ends 431 of the arms 43 out of the notches 61 when the retraining member 60 is sleeved on the arms 43.
- the lampshade 70 is assembled on the lampshade-retaining assembly by the biasing action of the distal portions 43b of the resilient arms 43, and is disassembled by counteracting the biasing action, thereby facilitating assembly and disassembly of the lampshade 70.
- assembly of the lampshade 70 obviates the use of screw fasteners so as to prevent damage to the lampshade 70.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
- This invention relates to a lampshade fitting for shading a lamp and a lamp socket, more particularly to a lampshade fitting with a lampshade-retaining assembly and a lampshade which is assembled conveniently on the lampshade-retaining assembly.
- Referring to Fig. 1, a conventional ceiling fan 10 with a
lamp assembly 20 is shown to include alamp seat 21, alamp socket 22 mounted in thelamp seat 21 for connecting with alamp bulb 23, and alampshade 24 mounted on thelamp seat 21. With reference to Fig. 2, thelamp seat 21 has alower ring 211 formed with a plurality ofscrew holes 212. Thelampshade 24 has an annular upper wall which is formed with anannular groove 241. A plurality ofscrew fasteners 25 pass through thescrew holes 212 and engage theannular groove 241 so as to retain thelampshade 24 on thelamp seat 21. - However, assembly and disassembly of the
lampshade 24 to thelamp seat 21 is inconvenient to conduct due to the use of thescrew fasteners 25. In addition, excessive tightening of thescrew fasteners 25 to thelampshade 24 can cause the latter to break. On the other hand, insufficient tightening of thescrew fasteners 25 can result in a noise due to vibrations when the ceiling fan 10 rotates. - Document US 4 428 032 shows a lampshade fitting comprising two resilient arms.
- The object of the present invention is to provide a lampshade fitting that includes a lampshade-retaining assembly and a lampshade which is conveniently and steadily retained on the lampshade-retaining assembly without the use of screw fasteners.
- According to this invention, a lampshade fitting includes a shank, and a retaining member with an annular mounting portion mounted on the shank, and at least two resilient arms extending downwardly from the mounting portion and straddling away from an axis of the shank. The arms have proximate and distal portions relative to the annular mounting portion. The distance between the proximate portions is smaller than that between the distal portions. An annular restraining member is formed with at least two engaging portions on its inner periphery for sliding engagement with the arms. Each engaging portion is movable from a first position where the engaging portion acts against a first biasing action of the respective distal portion, to a second position the engaging portion acts against a second biasing action of the respective proximate portion. A lampshade has an annular upper wall with an inner periphery, and a skirt portion flaring downwardly from the annular upper wall. When the annular upper wall is brought along the axis to receive the distal portions while the restraining member is at the first position, it will push the restraining member toward the shank. Further, when the annular upper wall continues to push the restraining member to the second position, the skirt portion will be biased by the distal portions so as to urge the annular upper wall to abut against the restraining member at the second position.
- Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiment of the invention, with reference to the accompanying drawings, in which:
- Fig. 1 is a perspective view of a conventional ceiling fan with a lamp mounted thereon;
- Fig. 2 is a fragmentary, partly sectioned schematic view showing the conventional of Fig. 1;
- Fig. 3 is an exploded view of a preferred embodiment of a lampshade fitting according to this invention;
- Fig. 4 is a fragmentary, partly sectioned schematic view showing the lampshade fitting of the preferred embodiment before a lampshade is mounted on a lampshade-retaining assembly;
- Fig. 5 is a perspective view showing how a restraining member slidably engages a pair of resilient arms of the lampshade-retaining assembly; and
- Fig. 6 is a fragmentary, partly sectioned schematic view showing the lampshade fitting of the preferred embodiment after the lampshade is retained on the lampshade-retaining assembly.
- Referring to Figs. 3 and 4, the preferred embodiment of a lampshade fitting according to the present invention is shown to comprise a
shank 80 with anupper end 81 to be connected to a base seat of a pendant lamp (not shown), alower end 82 which is formed with aannular flange 83 and aninsert portion 84, and a through hole 85 which extends along an axis of theshank 80. - A
cap member 30 has anarcuate mounting portion 31 that is formed with athrough hole 33 for passage of theinsert portion 84 of theshank 80 and that abuts against theannular flange 83, and askirt portion 32 that extends downwardly from themounting portion 31. - A
retaining member 40 has anannular mounting portion 41 with athrough hole 42 for downward passage of theinsert portion 84. Asupport seat 90 has anupper ring 93 which abuts against themounting portions insert portion 84 so as to clamp thecap member 30 and the retainingmember 40 securely between theupper ring 93 and theannular flange 83. Thesupport seat 90 further has alug portion 921 which extends downwardly from theupper ring 93 and which has alower mounting portion 922 for engaging securely alamp socket 94 with the use of ascrew 96.Electrical lead wires 95 of thelamp socket 94 pass through theupper ring 93 and the throughholes shank 80. - The retaining
member 40 further has a pair ofresilient arms 43 which extend downwardly from an outer periphery of themounting portion 41 and which straddle away from the axis of theshank 80. Thearms 43 include proximate anddistal portions mounting portion 41. A first distance is formed between theproximate portions 43a in a transverse direction of the axis, and is substantially smaller than a second distance formed between thedistal portions 43b. Referring to Fig. 5, eachdistal portion 43b has an enlargedend 431 with alip portion 432. - A
compression spring 50 is sleeved on thearms 43, and has anupper end 51 abutting against thecap member 30 and alower end 52 abutting against anannular retraining member 60. - The
retraining member 60 has anouter periphery 601, aninner periphery 602, and anintermediate portion 603 between the inner and outer peripheries 602,601. Theinner periphery 602 is formed respectively with a pair ofnotches 61 that serve as engaging portions, and two pairs ofprotrusions 62, each pair of which project inwardly from theinner periphery 602 opposite to therespective notch 61. A third distance is formed between thenotches 61 and is somewhat smaller than the first distance between theproximate portions 43a. As such, when the restrainingmember 60 is sleeved on thearms 43 with thenotches 61 engaging thearms 43, the restrainingmember 60 is slidable from a first position where the retrainingmember 60 act against a first biasing action of thedistal portions 43b (as shown in Fig. 4), to a second position where therestraining member 60 act against a second biasing action of theproximate portions 43a (as shown in Fig. 6). - As illustrated, the aforementioned components can be assembled to form a lampshade-retaining assembly for retaining a
lampshade 70. - The
lampshade 70 has an annularupper wall 71 with aninner periphery 711, and askirt portion 72 which flares downwardly from the annularupper wall 71. - When assembling the
lampshade 70 on the lampshade-retaining assembly, theupper wall 71 is brought along the axis to receive thedistal portions 43b by the guidance of thelip portions 432 at the enlargedends 431, thereby pushing therestraining member 60 at the first position toward theshank 80 via abutment with theintermediate portion 603. Further, when the annularupper wall 71 continues to push therestraining member 60 upwardly to the second position, theskirt portion 72 will be biased by thedistal portions 43b so as to urge the annularupper wall 71 to abut against therestraining member 60 at the second position, as shown in Fig. 6. Thecap member 30 can conceal the annularupper wall 71 at this time. - During disassembly, forces are applied on the enlarged
ends 431 of thearms 43 to push the same inwardly so as to move the retrainingmember 40 with the use of the downward biasing action of thecompression spring 50 until theretraining member 40 is stopped by the enlargedends 431. As such, thelampshade 70 can be disassembled from the lampshade-retaining assembly. - It is noted that the
protrusions 62 prevent the movement of the enlargedends 431 of thearms 43 out of thenotches 61 when the retrainingmember 60 is sleeved on thearms 43. - As mentioned above, in the lampshade fitting according to this invention, the
lampshade 70 is assembled on the lampshade-retaining assembly by the biasing action of thedistal portions 43b of theresilient arms 43, and is disassembled by counteracting the biasing action, thereby facilitating assembly and disassembly of thelampshade 70. In addition, assembly of thelampshade 70 obviates the use of screw fasteners so as to prevent damage to thelampshade 70.
Claims (4)
- A lampshade fitting for shading a lamp bulb and a lamp socket, including a shank (80) having a through hole (85) that extends along an axis thereof to pass a lead (95) for electrical connection with the lamp socket (94), and a lampshade (70) having an annular upper wall (71) with an inner periphery (711) and a skirt portion (72) which flares downwardly from said annular upper wall (71), further comprising
a retaining member (40) having an annular mounting portion (41) mounted on said shank (80), and at least two resilient arms (43) extending downwardly from an outer periphery of said annular mounting portion (41) and straddling away from said axis, said resilient arms (43) respectively having a proximate portion (43a) relative to said annular mounting portion (41), said proximate portions (43a) being spaced apart from each other with a first distance in a transverse direction to said axis, and a distal portion (43b), said distal portions (43b) being spaced apart from each other with a second distance in said transverse direction, said second distance being larger than said first distance;
characterized by an annular restraining member (60) having an outer periphery (601) and an inner periphery (602) which is formed with at least two engaging portions (61) spaced apart from each other with a third distance that is smaller than said first distance, said annular restraining member (60) slidably engaging said resilient arms (43) such that said annular restraining member (60) is movable from a first position in a respective one of said distal portions (43b), where a respective one of said engaging portions (61) acts against a first biasing action of said respective one of said distal portions (43b), to a second position in a respective one of said proximate portions (43a), where said respective one of said engaging portions (61) acts against a second biasing action of said respective one of said proximate portions (43a);
said inner periphery (711) of said annular upper wall (71) of said lampshade (70) having a dimension such that when said annular upper wall (71) is brought along said axis to receive said distal portions (43b) while said annular retraining member (60) is at said first position, said annular upper wall (71) will push said annular restraining member (60) toward said shank (80) via abutment at a position between said outer and inner peripheries (601,602) of said annular restraining member (60);
said skirt portion (72) having a dimension such that when said annular upper wall (71) continues to push said annular restraining member (60) to said second position, said skirt portion (72) will be biased by said distal portions (43b) so as to urge said annular upper wall (71) to abut against said annular restraining member (60) at said second position. - The lampshade fitting as claimed in Claim 1, further characterized by a cap member (30) mounted to said shank (80) so as to conceal said annular upper wall (71) of said lampshade (70) when said annular upper wall (71) abuts against said annular restraining member (60) at said second position.
- The lampshade fitting as claimed in Claim 2, further characterized by a biasing member (50) having an end (51) abutting against said cap member (30) and an opposite end (52) abutting against said annular restraining member (60) so as to bias against pushing movement of said annular upper wall (71) of said lampshade (70) toward said shank (80).
- The lampshade fitting as claimed in any of claims 1 to 3, characterized in that said inner periphery (602) of said annular restraining member (60) is formed with at least two notches (61) that serve as said engaging portions (61) respectively, said distal portions (43b) of said resilient arms (43) respectively having enlarged ends (431) so as to prevent said annular restraining member (60) from sliding out of said distal portions (43b) when said annular restraining member (60) is being pulled away from said second position.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69834915T DE69834915D1 (en) | 1998-08-10 | 1998-08-10 | Lampshade holder for shielding the bulb and the lamp socket |
EP98306363A EP0979970B1 (en) | 1998-08-10 | 1998-08-10 | Lampshade fitting for shading a lamp bulb and a lamp socket |
ES98306363T ES2267167T3 (en) | 1998-08-10 | 1998-08-10 | SCREEN FIXING TO COVER A BULB AND A CAP. |
CA002274151A CA2274151C (en) | 1998-08-10 | 1999-06-10 | Lampshade fitting for shading a lamp bulb and a lamp socket |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98306363A EP0979970B1 (en) | 1998-08-10 | 1998-08-10 | Lampshade fitting for shading a lamp bulb and a lamp socket |
CA002274151A CA2274151C (en) | 1998-08-10 | 1999-06-10 | Lampshade fitting for shading a lamp bulb and a lamp socket |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0979970A1 EP0979970A1 (en) | 2000-02-16 |
EP0979970B1 true EP0979970B1 (en) | 2006-06-14 |
Family
ID=32327235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98306363A Expired - Lifetime EP0979970B1 (en) | 1998-08-10 | 1998-08-10 | Lampshade fitting for shading a lamp bulb and a lamp socket |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0979970B1 (en) |
CA (1) | CA2274151C (en) |
DE (1) | DE69834915D1 (en) |
ES (1) | ES2267167T3 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT332935B (en) * | 1972-04-05 | 1976-10-25 | Zumtobel Walter | DEVICE FOR A DETACHABLE CONNECTION OF TWO COMPONENTS |
US4428032A (en) * | 1982-01-04 | 1984-01-24 | Workman James R | Quick release light fixture globe connector |
US5361192A (en) * | 1993-12-15 | 1994-11-01 | Lai Chi Shih | Decorative lamp shade and Christmas lamp assembly |
DE9319985U1 (en) * | 1993-12-24 | 1994-02-17 | Sieper-Werke Gmbh, 57271 Hilchenbach | Furniture downlight |
-
1998
- 1998-08-10 ES ES98306363T patent/ES2267167T3/en not_active Expired - Lifetime
- 1998-08-10 DE DE69834915T patent/DE69834915D1/en not_active Expired - Lifetime
- 1998-08-10 EP EP98306363A patent/EP0979970B1/en not_active Expired - Lifetime
-
1999
- 1999-06-10 CA CA002274151A patent/CA2274151C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2274151C (en) | 2004-09-14 |
CA2274151A1 (en) | 2000-12-10 |
EP0979970A1 (en) | 2000-02-16 |
DE69834915D1 (en) | 2006-07-27 |
ES2267167T3 (en) | 2007-03-01 |
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