Centering bar for architectural joint systems

Details Centering bar for architectural joint systems Centering bar for architectural joint systems

1992-05-11

1993-07-06

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Including design feature accommodating dimensional variation...

52396, 52466, E04B 168

Patent

active

052243192

ABSTRACT:
A one-piece molded or cast centering bar, for an architectural joint system, is disclosed. The centering bar, which is designed for cooperation with spaced guide rails, mounted on opposed, relatively moveable structures, has a central base section and integral arm portions extending radially therefrom in opposite directions. Integral guide means are carried at the outer ends of the respective arm portions, and engage guide grooves in the respective guide rails. The centering bar is pivotally connected to a cover plate, which spans the space between the moveable structures. As the structures move toward and away from each other, the centering bar functions in a known manner to maintain the cover plate symmetrically positioned with respect to the open space.

REFERENCES:
patent: 3183626 (1965-05-01), Schmitt
patent: 3435574 (1969-05-01), Hallock
patent: 3659390 (1972-05-01), Balzer
patent: 4129967 (1978-12-01), Barlow
patent: 4566242 (1986-01-01), Dunsworth
patent: 4967527 (1990-11-01), Gohlke
patent: 5078529 (1992-01-01), Moulton
British Specification, 125283, Apr. 17, 1919, FIG. 1.
Article "Metalines Expansion & Seismic Joint Covers", pp. 4-8.
Article "C/S Group Expansion Joint Systems", pp. 14-15.
Article "MM Systems Corporation", pp. 6, 7, 12, 13.

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