Extensible reinforcing bar assembly and clip
First Claim
1. An extensible reinforcing bar assembly for use in reinforcing concrete comprising first and second cylindrical reinforcing bars, a plurality of clips retaining said bars in parallel relation, one end portion of said first bar lying alongside a length of the other said bar intermediate the ends thereof so as to combine the overall length of both bars in extensible relation therebetween, said clips including a U-shaped plastic unit formed to be forced onto said first and second said bars, said unit including a force-receiving web at one end, said web carrying elongate confronting spaced apart side panels, said panels having first and second pairs of relieved surface portions disposed in confronting relation to form first and second seats for holding said bars tightly and independently therebetween, the confronting surfaces of each of said seats including portions disposed to underlie an associated one of said bars seated therein, said confronting surfaces being disposed to substantially meet at the free end of said panels when no bar is seated in said clip, said side panels having limited resilience serving to tightly engage the sides of said bars therebetween while permitting said bars to be longitudinally adjusted to provide the desired combined length of said assembly, the exterior region laterally to the sides of said clips being free of protuberances therefrom.
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Accused Products
Abstract
An extensible reinforcing bar assembly for readily permitting a plurality of bars to be extended with respect to each other and establish a desired combined length. The assembly includes a plurality of improved plastic clips for attaching the two bars while permitting them to be movable with respect to each other under applied longitudinal force.
111 Citations
2 Claims
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1. An extensible reinforcing bar assembly for use in reinforcing concrete comprising first and second cylindrical reinforcing bars, a plurality of clips retaining said bars in parallel relation, one end portion of said first bar lying alongside a length of the other said bar intermediate the ends thereof so as to combine the overall length of both bars in extensible relation therebetween, said clips including a U-shaped plastic unit formed to be forced onto said first and second said bars, said unit including a force-receiving web at one end, said web carrying elongate confronting spaced apart side panels, said panels having first and second pairs of relieved surface portions disposed in confronting relation to form first and second seats for holding said bars tightly and independently therebetween, the confronting surfaces of each of said seats including portions disposed to underlie an associated one of said bars seated therein, said confronting surfaces being disposed to substantially meet at the free end of said panels when no bar is seated in said clip, said side panels having limited resilience serving to tightly engage the sides of said bars therebetween while permitting said bars to be longitudinally adjusted to provide the desired combined length of said assembly, the exterior region laterally to the sides of said clips being free of protuberances therefrom.
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2. An extensible reinforcing bar assembly comprising a pair of substantially cylindrical reinforcing bars of a type used in reinforcing concrete, clips for use in independently carrying said bars in parallel relation, each said clip comprising a unitary body of plastic material formed to include a pressure-transmitting web portion, opposed impervious panels carried from said web portion in mutually spaced relation alongside said bars and in a manner strongly urging said panels together to meet at the distal ends thereof in the absence of a bar therebetween, each of the confronting surfaces of said panels including a pair of spaced, arcuately relieved portions, pairs of said portions being taken from both panels serving to form a pair of seats to support a pair of said bars in parallel relation independently of each other, portions of said seats underlying an associated bar disposed between the relieved surface portions of said seats.
Specification