Wheel spacer for reinforcing rods of cementitious structures

Details Wheel spacer for reinforcing rods of cementitious structures Wheel spacer for reinforcing rods of cementitious structures

2007-12-26

2010-06-01

Dunn, David (Department: 3633)

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Three-dimensional space-defining

C052S673000, C052S583100, C052S677000, C052S689000, C052SDIG008

Reexamination Certificate

active

07726090

ABSTRACT:
A wheel spacer is provided for spacing a reinforcing rod for a cementitious structure away from an object during fabrication of the structure. The spacer consists of two substantially semicircular sections configured for connection together with the rod abuttingly retained in saddles generally situated at the center of the sections when connected together in an assembled configuration for the spacer. Each section has, on an inner wall thereof in which the saddles are situated, primary inserting arms for insertion into apertures for locking engagement with teeth on the inserting arms with teeth on receiving arms of the other section. Retaining arms having guide walls further facilitate retention of the rod and guiding thereof towards the saddles while the spacer is placed in the assembled configuration.

REFERENCES:
patent: 3300930 (1967-01-01), Weise
patent: 3348347 (1967-10-01), Berry
patent: 3694989 (1972-10-01), Oliver et al.
patent: 3830032 (1974-08-01), Robb
patent: 3913187 (1975-10-01), Okuda
patent: 5313757 (1994-05-01), Schnepf
patent: 5347787 (1994-09-01), Gavin
patent: 5542785 (1996-08-01), Cloud
patent: 6367556 (2002-04-01), Moore
patent: 7017867 (2006-03-01), Sono

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