Roof ridge ventilators and methods for installing such ventilato

Details Roof ridge ventilators and methods for installing such ventilato Roof ridge ventilators and methods for installing such ventilato

1989-04-12

1990-03-13

Joyce, Harold

52 57, 52199, F24F 702

Patent

active

049074997

ABSTRACT:
Roof ridge ventilators include two panels joined by bendable hinges with each of the panels having an upper and lower surface. The lower surfaces of these panels include a plurality of spaced-apart, downwardly-projecting supports joined to the lower surfaces at substantially right angles and extending transversely across them. The support means on each panel have differing heights, with the first of the supports, of greatest height, being positioned near one end of the bottom surfaces, and with each successive support, behind the first, having successively smaller height than the preceding support. Each of the lower surfaces has substantially the same number of supports with substantially the same sizes and spacing to permit bending the ventilator over and attaching the ventilator to a roof ridge. The ventilator also includes air passages, such as a plurality of openings, of sufficient size and shape to facilitate overlapping these passages with a portion of the bottom surface of another of the ventilators. The ventilators are installed on a roof ridge by placing a cap shingle over the upper surface of the ventilator with the air passages left substantially uncovered by the shingle to form a first ventilator/shingle combination.

REFERENCES:
patent: 3625134 (1971-12-01), Smith
patent: 3862529 (1975-01-01), Markos
patent: 3913294 (1975-10-01), Freiborg
patent: 3949657 (1976-04-01), Sells
patent: 4280399 (1981-07-01), Cunning
patent: 4325290 (1982-04-01), Wolfert
patent: 4558637 (1985-12-01), Mason
patent: 4577442 (1986-03-01), Callaway
patent: 4643080 (1987-02-01), Trostle et al.
patent: 4676147 (1987-06-01), Mankowski
patent: 4685265 (1987-08-01), Cooper
patent: 4782743 (1988-11-01), Quinnell

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