Instrument
First Claim
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1. An instrument comprising:
- a dial plate, anda transparent front cover covering the dial plate,wherein said front cover comprises;
a toothed central portion having a plurality of continuous ditches extending horizontally for reducing reflection of light; and
a smoothed fringe portion having a width wider than one of said ditches and being disposed generally perpendicularly to said ditchessaid smoothed fringe portion being connected to said toothed central portion in such a manner so that dust or dirt accumulated in said ditches can be wiped off by a piece of cloth toward said smoothed fringe portion.
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Accused Products
Abstract
An instrument having a front cover which can be easily cleaned when dust and dirt adhere on the front surface of the instrument cover. The front cover has a toothed surface for reducing light reflection at the central portion of the front cover, and a smoothed fringe surface around the toothed surface which has an area for accepting a piece of wiping cloth. When dust and dirt accumulate in the toothed surface, they can be wiped off by a piece of cloth easily.
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Citations
9 Claims
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1. An instrument comprising:
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a dial plate, and a transparent front cover covering the dial plate, wherein said front cover comprises; a toothed central portion having a plurality of continuous ditches extending horizontally for reducing reflection of light; and a smoothed fringe portion having a width wider than one of said ditches and being disposed generally perpendicularly to said ditches said smoothed fringe portion being connected to said toothed central portion in such a manner so that dust or dirt accumulated in said ditches can be wiped off by a piece of cloth toward said smoothed fringe portion. - View Dependent Claims (3, 4, 5, 6)
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2. An instrument comprising:
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a dial plate, and a transparent front cover covering the dial plate, wherein said front cover comprises; a toothed central portion having a plurality of continuous ditches extending horizontally for reducing reflection of light; and a smoothed fringe portion continuously surrounding said central portion said smoothed fringe portion being connected to said toothed central portion in such a manner so that dust or dirt accumulated in said ditches can be wiped off by a piece of cloth toward said smoothed fringe portion.
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7. An instrument comprising:
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a case, a transparent front cover, and a dial plate disposed at a central portion of said case, wherein said front cover comprises; a toothed portion disposed at a central portion of said transparent front cover, said toothed portion having a plurality of continuous ditches extending horizontally for reducing reflection of light; and a smoothed portion disposed generally perpendicularly to said ditches, said smoothed portion having an area for accepting a piece of wiping cloth such that dirt or dust accumulated in said ditches may be moved with the cloth from the ditches to the smoothed portion. - View Dependent Claims (8, 9)
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Specification