E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 5/16 (2006.01) E04B 1/41 (2006.01) F16B 7/18 (2006.01)
Patent
CA 2068666
A coupler for reinforcing bars includes an internally threaded sleeve with first and second internally threaded coupling portions respectively extending and tapering outward from two ends thereof. Each first and second coupling portions has a number of slits extending along a longitudinal direction thereof. The coupler further has first and second clamping collars each having a conical hole which tapers outward with an inner diameter of an inner opening thereof greater than that of an outer opening thereof and with a slope slightly greater than that of associated conical first and second coupling portions. An outer diameter of a distal end of each first and second coupling portion is slightly less than the inner diameter of the inner opening of associated first and second clamping collars. When the coupler is used to couple two reinforcing bars, a threaded coupling end of each reinforcing bar is screwed into the sleeve means via associated first and second coupling portions. Thereafter, the first and second clamping collars are pushed inward along an outer periphery of associated first an second coupling portions to tightly clamp the reinforcing bars in the coupler.
Wu Tsung-Hwei
Ade & Company
Wu Tsung-Hwei
LandOfFree
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