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A ceiling ventilation device, mountable in an opening in a ceiling between a pair of ceiling joists, includes a pair of mounting brackets. Each bracket, attachable at its ends to a pair of ceiling joists, includes a pair of spring biased mounting tangs spaced along the bracket. A housing defines an

A ceiling ventilation device, mountable in an opening in a ceiling between a pair of ceiling joists, includes a pair of mounting brackets. Each bracket, attachable at its ends to a pair of ceiling joists, includes a pair of spring biased mounting tangs spaced along the bracket. A housing defines an air intake opening and an air outlet opening and further defines, on each of two opposing sides thereof, a pair of tang receiving recesses spaced for alignment with and engagement by the tangs. A fan assembly, including a propeller assembly and a motor connected thereto, is mounted in the housing. Once the mounting brackets are connected to ceiling joists and positioned on opposite sides of an opening in a ceiling, the housing may be raised up into the opening such that the recesses in the housing are engaged by the tangs.

대표청구항 ▼

A ceiling ventilation device, mountable in an opening in a ceiling between a pair of ceiling joists, comprising: a pair of mounting brackets, each such bracket including means at each end thereof for attachment to a ceiling joist, and further including a pair of spring biased upwardly extending moun

A ceiling ventilation device, mountable in an opening in a ceiling between a pair of ceiling joists, comprising: a pair of mounting brackets, each such bracket including means at each end thereof for attachment to a ceiling joist, and further including a pair of spring biased upwardly extending mounting tangs spaced along said bracket, a housing defining an air intake opening and an air outlet opening and further defining, on each of two opposing sides thereof, a pair of downwardly facing tang receiving recesses spaced for alighment with and engagement by said tangs, in response to the upward movement of said housing into the space between said brackets such that the upper ends of said tangs engage the interior surfaces of said recesses aligned therewith, and a fan assembly, including a propeller assembly and a motor connected thereto, mounted in said housing.