Adjustable inner diameter barrel lifting assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Feb 11, 1999
filing date -
Feb 11, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lifting ring assembly is designed for lifting barrels that have at least a partial circumferential radial extension above an outer diameter. The lifting ring comprises a split ring and a cross brace. The split ring comprises two half ring segments having mutually attachable ends. The inner diameter of the split ring is smaller than the outer diameter of the partial circumferential radial extension. The cross brace comprises first and second rigid arms having top ends and bottom ends. The top ends are mutually pivotally connected by a pivoting mechanism. The bottom ends are fixedly connected to a midpoint of the half ring segments, respectively, such that the cross brace is perpendicularly oriented to the split ring and the rigid arms pivot in a vertical plane. The lifting ring may be modified to lift with a fork lift truck with a cable loop that extends from the pivoting mechanism. Two semi-circular inserts that are removably attached to respective half ring segments may be disposed on the split ring and extend radially inwardly. The attached semi-circular inserts reduce the inner diameter of the split ring allowing for drums of different outer diameters. An aspect of the invention may be fabricated with aluminum for strength, low weight, and cost.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TRAFFIX DEVICES INC | 160 AVENIDA LA PATA SAN CLEMENTE CA 92673 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Gertz, David C | San Clemente, CA | 32 | 973 |
Kulp, Jack H | San Juan Capistrano, CA | 76 | 841 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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