Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Reexamination Certificate
2007-08-28
2007-08-28
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
C405S302100, C405S302200, C405S259100
Reexamination Certificate
active
11064426
ABSTRACT:
A truss shoe for a roof support system includes a base member having a bearing surface and, optionally, an end having a sweeping radius for ease of moving the truss shoe into an installation position, a bolt receiving section having a bore hole, a cable engaging section, and an intermediate section. The cable engaging section includes an opening and a slot and, optionally, a lock-in device that allows a cable to move through the slot into the opening and retains the cable in the opening. In another non-limiting embodiment of the cable engaging section, the cable is moved into an assembly mounted in a conical-shaped passageway of the cable engaging section to compress the assembly around the cable. The intermediate portion includes a pair of side flanges on the base member between the bore and the opening and, optionally, a rib between the pair of side flanges.
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DSGI Ground Support>Products, “Trusses and Utilities”, 1998, p. 1, http://www.dywidag-systems.com/groundsupport/docs/products.php?content=D1.1 May 7, 2003.
Brandon Demrey G.
Craven Arthur J.
Oldsen John G.
Stankus Jeffrey J.
Stankus John C.
Jennmar Corporation
Lagman Frederick L.
The Webb Law Firm
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