Distance piece for concretereinforcing rods

Claim 1

A DISTANCE PIECE FOR HOLDING CONCRETE REINFORCING RODS AT A PREDETERMINED DISTANCE FROM THE FORM CONSISTING OF AN INTEGRAL SHAPED BODY FORMED OF A RESILIENT SYNTHETIC RESIN MATERIAL, SAID BODY COMPRISING A BASE PART HAVING A DIMENSION IN THE VERTICAL DIRECTION WHICH DETERMINES THE DESIRED COVER, SAID BODY INCLUDING AN UPWARDLY FACING ROD SUPPORTING SURFACE, GRIPPING MEANS EXTENDING FROM SAID BASE PART AND COMPRISING A PAIR OF CURVED RESILIENT ARMS WHICH, WHEN IN RELAXED POSITION, PROVIDE A RECESS HAVING A GREATER WIDTH THAN HEIGHT, SAID ARMS HAVING INWARDLY EXTENDING ROD ENGAGING PORTIONS FOR EXERTING A DOWNWARD FORCE ON A REINFORCING ROD TO URGE THE SAME AGAINST SAID ROD SUPPORTING SURFACE SO THAT THE TRANSVERSE MEDIAN PLANE OF SAID DISTANCE PIECE WILL BE MAINTAINED PERPENDICULAR TO THE AXIS OF THE ROD SUPPORTED THEREBY TO PROVIDE AXIAL STABILITY, AID BASE PART HAVING FORM ABUTTING PORTIONS WHICH INCLUDE TWO ABUTMENTS TRANSVERSELY SPACED FROM EACH OTHER ON OPPOSITE SIDES OF SAID ROD AXIS, AND EACH PROVIDING NARROW LINE CONTACT WITH SAID FORM.