Retractable vent and cover arrangement for down draft cooking ap

Details Retractable vent and cover arrangement for down draft cooking ap Retractable vent and cover arrangement for down draft cooking ap

1989-10-02

1990-06-19

Dority, Carroll B.

Stoves and furnaces

Stove hoods

F24C 1520

Patent

active

049343378

ABSTRACT:
An improved retractable venting arrangement applicable to cooktops and ranges which have surface heating units supported from a supporting surface such as a countertop. A retractable vent member vertically moves through an opening in the support surface proximate the heating units between a lowered position beneath the support surface and a raised position extending above the surface. A pivotally mounted cover member covers the opening. The cover is opened and closed by the vent member which engages and moves the cover member to its open position as the vent member moves to its raised position. The cover member is held in its open position by the vent member, and returns to its closed position as the vent member returns to its lowered position.

REFERENCES:
patent: 2674991 (1954-04-01), Schaefer
patent: 3011492 (1961-12-01), Humbert
patent: 3102533 (1963-09-01), Jenn et al.
patent: 3409005 (1968-11-01), Field
patent: 3712819 (1973-01-01), Field
patent: 4446849 (1984-05-01), McFarland
patent: 4501260 (1985-02-01), Grace

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