Roof sheathing test system
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United States of America Patent
Stats
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Nov 26, 1991
Grant Date -
N/A
app pub date -
Mar 26, 1991
filing date -
Mar 26, 1991
priority date (Note) -
Expired
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Abstract
A roof sheathing test system (10) is provided which may be manually operated and is substantially non-destructive in nature for load and deflection testing of roof sheathing (12). The roof sheathing test system (10) includes a test frame (14) which is mounted to a pair of displaced roof structural members (16). The roof sheathing test system (10) is mounted to the roof structural members (16) by a foot member (30) which is fixedly secured to the roof structural members (16) and the foot member (30) is releasably secured to the overall test frame (14). A load cell system (52) is secured to the test frame (14) for registering a force load applied to the sheathing (12). A load base mechanism (72) is in contact with the load cell system (52) and an upper surface of the sheathing (12). Rotation of a threaded rod (82) located within a load base rod member (76) is rotated to apply a force to the sheathing (12) which is registered on a load cell gauge (54). Indicia (88) formed on an external surface of the load base rod member (76) provides for a visual registering of the deflection of the sheathing (12) as a load is applied. In this manner, there is provided a roof sheathing test system (10) which is manually operated and removable from the roof subsequent to operational tests.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Sersen, Stanley J | 1138 Valley Dr., Pasadena, MD 21122 | 1 | 7 |
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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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