Lamp Bulb
How do automotive lamps work?
FIG. 1 is a vertical sectional view showing a clearance lamp to which a first embodiment of the present invention is applied;
FIG. 2 is a partly cut away perspective view of a lamp body of the clearance lamp shown in FIG. 1;
FIGS. 3A, 3B, 3C and 3D are views for explaining steps of unitarily attaching a gasket to a seal leg;
FIG. 4 is a vertical sectional view showing a clearance lamp to which a second embodiment of the present invention is applied;
FIG. 5 is a sectional view showing a conventional automotive leds ; and
FIG. 6 is a sectional view of an essential part of another conventional automotive lamp.
FIG. 5 is a vertical sectional view showing a conventional automotive lamp of the type as disclosed, for example, in Unexamined Japanese Patent Publication No. Hei. 3-15748. The conventional automotive lamp shown in FIG. 5 includes a lamp body 1 which is formed on a back wall thereof with a seal leg 2 projecting therefrom for surrounding a bulb insertion hole 2 and a gasket 8 disposed between the seal leg 2 and an automobile body panel 6. Both a front and a rear side of the gasket 8 have a respective high adhesive surface so that the gasket 8 sticks both to the seal leg 2 and the automobile body panel 6. In the figure, reference numeral 3 designates a front lens and a reference numeral 4 designates lamp bulb.
FIG. 6 is a sectional view of an essential part of another conventional automotive lamps . As shown in FIG. 6, a gasket 8A is formed like an endless web a cross section of which is U-shaped. An adhesive agent is applied, if desirable, to a tip end of the seal leg 2 so that the gasket 8A sticks to the seal leg 2.
According to the conventional gasket 8 as described above and shown in FIG. 5, however, since the gasket 8 is formed by cutting out a seat-like material to have a frame-shape to fit to the configuration of the tip end of the seal leg 2, the yield rate of the material is very unsatisfactory which raises manufacturing cost.
Further, the high adhesive surfaces of the gasket 8 shown in FIG. 5 are actually made from a double-sided adhesive tape. More specifically, the double-sided adhesive tape with a peel-off sheet on each side is attached to each the front and rear surfaces of the gasket 8. Accordingly, during assembly of the conventional automotive lamp, when the lamp is coupled to the automobile body, the gasket 8 is disposed between the seal leg 2 and the automobile body panel 6, the peel-off sheet on one side of the gasket 8 is peeled off to expose the adhesive surface, and then the adhesive surface is pressed against the seal leg 2 so that the gasket 8 sticks integrally to the seal leg 2. Next, the peel-off sheet of the other side of the gasket 8 is peeled off, and then the lamp is coupled to the automobile body, so that the adhesive surface of the gasket 8 sticks to the automobile body panel 6. Thus, the conventional automotive lamps manufacturer requires complicated steps during assembly, which steps take a relatively long time. That is a problem because it raises the manufacturing cost.
On the other hand, according to the secondary conventional gasket 8A shown in FIG. 6, the gasket 8A is formed by the injection molding operation, and the cost for the mold die apparatus or the like is very high. In addition, the gasket 8A must be attached to the seal leg 2 prior to coupling the lamp to the automobile body. This is intricate. Further, in a case where no adhesive agent is applied to the tip end of the seal leg 2, the gasket 8A may sometimes drop off the seal leg 2.
As described above, according to the automotive lamp of the present invention, a gasket can be molded integrally with a seal leg merely by inserting the seal leg into a foamed gasket material injected into a molding groove. Therefore, the present invention greatly improves the yield rate of the gasket material, and reduces the cost for the gasket, which in turn reduces, the cost for the lamp.
Further, because the gasket is securely integrated with the seal leg, and because the gasket automatically becomes press-fitted between the seal leg and the automobile body panel at the same time the lamp is coupled to the automobile body, the workability is much improved.
The gasket tightly contacts to the seal leg and the automobile body panel when the automotive lamp china is coupled to the automobile body. Therefore, the sufficient sealability of the gasket can be maintained compared with the conventional gasket.
Incidentally, when the gasket is molded integrally with the tip end part of the seal leg, some of the molding steps can be readily automated. If some steps are automated, mass-production of the lamps can be achieved while excessively reducing the manual works.
In addition, if the seal leg is subjected to the surface active treatment, the gasket would hardly detach from the seal leg because of the high adhesibility of the foamed gasket to the seal leg. As a result, easy treatment of the lamp with which the gasket is integrated, improved operation for coupling the lamp to the automobile body, and good workability when the gasket is fitted, can be accomplished.
It should be understood that the form of the invention herein shown and described is to be taken as a preferred example of the invention and that various changes in the shape, size and arrangement of parts may be resorted to without departing from the spirit of the invention or the scope of the subjoined claims.
from:freepatentsonline
About the Author
Where is the best spot to put a light bulb/lamp in a home made incubator?
I'm trying to make a home made incubator out of a styrofoam cooler. Where is the best position for the light bulb? low to the floor, up high; off to the side, in the middle?
anywhere, just box it in so it can't hurt the poultry.
Lamp Bulb
How to Make a Custom Lamp Shade : Custom Lamp Shade Light Bulb Options
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Headlight bulbs and upgrade your bike - Have a look
Over the past few years become a popular term among SMIDSY. Really "dead, sorry, I did not see" a brief, and often motorcycle car drivers who pull in front of them makes a joke about. The phrase is so popular that there are hundreds of YouTube videos that provide a contrast to growth. However the reality is no laughing matter. Motorcycles in the United Kingdom to only 1% of all traffic on the roads, but are engaged in more than 20% of total accidents. One of the keys to improve visibility of the bikes themselves to reduce motorcycle accidents.
The fact that small and almost all types of motorcycles for other transportation is hard to see. The motorcyclists and other road users find it more difficult to spot and judge the speed of the bike increases the risk. Wearing a brightly colored safety vest to the problem can be helped by riders, but the headlights, tail lights and indicators on a motorcycle by raising the level of efficiency and more. Also bikes and played by many, and often light lamp standard, a compromise between the cost of building and safety. An easier, cheaper and more effective upgrade you can make a bike after commodities in the market place with the standard bulbs in front.
Motorcycles, fast and easy for the front lamps, motorbikes and work to change the number to less than 5 minutes to complete. Lamp itself is relatively cheap too, £ 10 up to several HID xenon than 60 pounds, 30 pounds per pair, or to costs.
Lamp after market fit for the standard OEM motorcycle offers a number of advantages over bulbs. First, almost all after market lamps, more light is emitted from an equal level, Lamps, such as Philips X-treme and outlaw incandescent bulbs Osram night to see the light output to more than 100% as the demand. What light bulb upgrade is more of a color temperature, if the amount is often close to 6500 K, whiter light, useful and yellow color normally associated with OEM lamps provide. Second, slightly more than conventional lamps after market items, cost, though, and often twisted motorcycle vibration emitted by modern engines are designed to withstand a large amount. Withstand the vibration only 500-1000 hours can help prolong the life of the bulb and the bulbs will pay for itself over time could mean.
Now you own, including how to select the right motorcycle can choose to raise the level of the light bulb? The answer is simple, any online store specialized in motorcycle lights and lamp bulbs and proof checkers fitments are provided free. Simply by choosing a motorcycle, make and model, I relevant items that will fit your bike will display a list respectively.
To improve the visibility of your motorcycle at night to ride a little less hair, and consider upgrading your front lamps. Was perhaps save your life.
About the Author
Motorcycle chain, motorcycle parts and motorcycle accessories for street bikes, dirt bikes, sport bikes, Harley Davidson and more at D2Moto, your source for motorcycle chains, parts and accessories.
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