Aseismatic structure of an indicating lamp
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United States of America Patent
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Sep 4, 1990
Grant Date -
N/A
app pub date -
Dec 13, 1989
filing date -
May 17, 1989
priority date (Note) -
Expired
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Abstract
An indicating lamp having an aseismatic structure which includes an internal chassis for fixing an electric lamp and an electric control board, an indicating lamp cover covering the internal chassis, and a fixture for attaching an indicating lamp to an external structure. A boss having a flange portion is fitted to the fixture, and an insulating member is abuts one or both sides of the flange portion. In addition, a fixing plate constituting a part of the above internal chassis, the insulating member, the flange portion and the indicating lamp cover are clamped with clamping members fed through through-holes provided therethrough, with the above insulating member being held between the fixing plate and the indicating lamp cover. Cylindrical spacers each having a predetermined length and an internal diameter, and into which and from which the above bolt can be freely inserted and taken out, are fitted to the through-holes. The length of the spacers is set to the most suitable value so as to provide the most suitable clamping conditions corresponding to such considerations as the type of the insulating member and the type of vibration from which the electric lamp and electric control board are to be insulated.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- PATLITE CORPORATION
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kawabata, Masaaki | Toyonaka, JP | 4 | 108 |
Kawashima, Tokio | Osaka, JP | 4 | 171 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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