Concrete reinforcing bar support

Details Concrete reinforcing bar support Concrete reinforcing bar support

1988-05-12

1990-02-13

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Machine or implement

52737, 403314, E04C 503

Patent

active

048995150

ABSTRACT:
A horizontally extending reinforcing bar having a central core in transverse cross-section exhibiting at least three radial fins projecting outwardly symmetrically from the center of the bar to its outer edge. Each pair of adjacent fins define a valley between them containing a pattern of raised surface area. Two in-line reinforcing bars are held together by a coupling device having a housing with multiple flexible inwardly projecting plates from grooves in an inner wall. The plates flex in the direction of insertion of a reinforcing bar and exert a force to prevent removal of the bar.

REFERENCES:
patent: 815618 (1906-03-01), Mueser
patent: 863959 (1907-08-01), Williamson
patent: 1317824 (1919-10-01), Royse
patent: 1400278 (1921-12-01), Fougner
patent: 1514806 (1924-11-01), Thomas
patent: 2264480 (1941-12-01), Owen
patent: 3378985 (1968-04-01), Bugan
patent: 3771884 (1973-11-01), Williams
patent: 4179583 (1979-12-01), Sergev

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