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Support for load transfer device for concrete constructions
   
Document Number
US Patent 6019546
Issued Date
February 1, 2000
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Abstract
The invention relates to supports for a device for transferring weight loads from one concrete structure to another. The device is particularly suited for concrete highway construction. The supports are used to position joint dowels that extend across paving joints between adjoining concrete slabs. The supports comprise a first and second support each positioned on opposing sides of the paving joint. The first support comprises a pair of legs that holds one end of the dowel therebetween and the dowel is then manually locked to that support by a pin lock.
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Support for load transfer device for concrete constructions - US Patent 6019546 Drawing
Drawing from US Patent 6019546
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Number of Claims:
6
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Owner
Published
February 1, 2000
Application Number
09/143,743
Filed
August 31, 1998
US Classification
404/134   404/136
Int'l Classification
E01C   11/14   (20060101)   E01C   11/02   (20060101)  
Attorney/Law Firm
USPTO Field of Search
404/70   404/134   404/135   404/136  
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6447203 - Load transfer dowel support - Owned by Meadow-Burke Products (Tampa, FL)

The invention relates to supports for apparatus for transferring weight loads from one concrete structure to another. The devices are particularly suited for concrete highway construction. The support apparatus is used to position joint dowels that extend across paving joints between adjoining concrete slabs. The support apparatus comprises a first and a second support, each positioned on opposing sides of the paving joint. Each of the first and second supports comprise at least one longitudinally extending member having at least two cross members attached thereto such that one end of the cross member extends outwardly beyond the member. At least one clip comprising a body having a cavity therein, a gripper connected to the body and a cylindrical sleeve connected to the body is attached to each support. The clip is mounted to the end of a cross member so that the first end of the cross member is received into the cavity of the body and the attached gripper grasps the adjacent portion of the member. The sleeves are sized and configured to receive a dowel therein. When the first and second supports are spaced apart a predetermined distance from one another on opposing sides of a construction joint and opposing sleeves are aligned with one another, the first end of a dowel is receivable in one sleeve and the second end of the dowel is receivable in the opposing sleeve.

7481031 - Load transfer plate for in situ concrete slabs

A tapered load plate transfers loads across a joint between adjacent concrete floor slabs. The top and bottom surfaces may taper from approximately 4 inches wide to a narrow substantially pointed end over a length of approximately 12 inches. The tapered load plate accommodates differential shrinkage of cast-in-place concrete slabs. When adjacent slabs move away from each other, the narrow end of the tapered load plate moves out of the void that it created in the slab thus allowing the slabs to move relative to one another in a direction parallel to the joint. Tapered load plates may be assembled into a load-plate basket with the direction of the taper alternating from one tapered load plate to the next to account for off-center saw cuts. A tapered load plate and an end cap may be used to provide load transfer across an expansion joint.

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