Shutter slat end retention system
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United States of America Patent
Stats
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Dec 31, 2013
Grant Date -
Dec 6, 2007
app pub date -
Jun 1, 2006
filing date -
Jun 1, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An end retention system for a rolling shutter system is provided. The end retention system comprises a fastener that has a head and a shaft, and a washer that has an outer diameter and an aperture having an inner diameter. The inner diameter of the aperture of the washer is at least twice the diameter of the shaft of the fastener. The shaft is configured for insertion into a screw boss receptacle of a shutter slat. The end retention system may also comprise a guide track that has retention fins spaced apart a distance that is less than the outer diameter of the washer. The guide may include a channel that partially bounded by the retention fins. The channel may have a width that is greater than the outer diameter of the washer. The washer is located in the channel, and is retained near the slat by the head of the fastener.

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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
QUALITAS MANUFACTURING INCORPORATED | 1661 GLENLAKE AVENUE ITASCA IL 60143 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Miller, James V | Glen Ellyn, US | 60 | 737 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 30, 2025 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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