Chimney anchor system

Details Chimney anchor system Chimney anchor system

1996-02-26

1997-06-17

Friedman, Carl D.

Static structures (e.g., buildings)

Assembled in situ-type anchor or tie

Sheet or wire tie

52698, 521671, E04B 138

Patent

active

056386559

ABSTRACT:
An improved chimney anchoring system to help support the chimney in the event of an earthquake. The chimney anchoring system uses several elongated steel straps which are affixed at one end to the chimney. At the other end, they are affixed to the frame of the structure in which the chimney is located. However, instead of being simply held by lag screws through holes in the strap into the wooden frame, the steel straps have elongated slots. In place of a conventional washer, a Belleville washer is used which is tightened to about a flat condition to exert a continuing force against the steel strap. Preferably a steel slip plate is located between the steel strap and the wooden frame member.

REFERENCES:
patent: 5048243 (1991-09-01), Ward
patent: 5050365 (1991-09-01), Edgar et al.
patent: 5375382 (1994-12-01), Weidlinger
patent: 5400555 (1995-03-01), Kantor
patent: 5444952 (1995-08-01), Jackson
patent: 5456047 (1995-10-01), Dorka

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