Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Reexamination Certificate
2004-11-10
2009-06-23
Canfield, Robert J (Department: 3635)
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
C052S170000, C052S295000
Reexamination Certificate
active
07549261
ABSTRACT:
A device, system, and method for holding reinforcing bars in fixed positions. A reinforcing bar securing device comprises a base and a securing means for securing the reinforcing bar to the base, which is configured to engage at least one rib of the reinforcing bar. The securing means may include a flange, a hinged member, or a flexible member, such as plastic, for example, configured to allow the reinforcing bar to enter the securing means in one direction and engage at least one rib on the reinforcing bar to prevent the reinforcing bar from withdrawing from the securing means. The flanges are configured to bend to press against the reinforcing bar as the ribs contact the flanges and as the reinforcing bar moves relative to the securing device as the reinforcing bar enters the surface. A system of the present invention is also presented for holding reinforcing bars in fixed positions. The system, in one embodiment, includes a first securing device for holding a first reinforcing bar in a fixed position in the surface and a second securing device for holding a second reinforcing bar at a predetermined position along the length of the first reinforcing bar. The second securing device may be configured with a lip to hold the second reinforcing bar proximate to the firs reinforcing bar. A method of the present invention is also presented for holding a reinforcing bar in a fixed position in the surface using the reinforcing bar securing device.
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Advantia Law Group
Ahmad Charissa
Canfield Robert J
Starkweather Michael W.
Webb Jason P.
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