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Publication numberUS2623448 A
Publication typeGrant
Publication dateDec 30, 1952
Filing dateAug 9, 1949
Priority dateJun 1, 1948
Publication numberUS 2623448 A, US 2623448A, US-A-2623448, US2623448 A, US2623448A
InventorsAlgernon Runefelt Victor Elis
Original AssigneeAlgernon Runefelt Victor Elis
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Device for adjustably supplying air to auditoriums and the like
US 2623448 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Dec. 30, 1952 Filed Aug. 9, 1949 v. E. A. RUNEFELT 2,623,448 7 DEV FOR ADJUSTABLY SUPPLYING AIR AUDITORIUMS AND THE LIKE 2 SHEET$SHEET 1 In van r R aka/$4M Dec. 30, 1952 v. E. A. RUNEFELT 2,623,448

DEVICE FOR ADJUSTABLY SUPPLYING AIR TO AUDITORIUMS AND THE LIKE Filed Aug. 9, 1949 2 SHEETSSHEET 2 euro R 71m @W MMYMM Patented Dec. 30, 1952 DEVICE FOR ADJ USTABLY SUPPLYING AIR TO AUDITORIUMS AND THE LIKE Victor Elis Algernon Runefelt, Stockholm, Sweden Application August 9, 1949, Serial No. 109,302

In Sweden June 1, 1948 2 Claims.

The present invention relates to a device for adjustably supplying air to meeting halls, cinematograph and theatre halls and the like and the object of the invention is to automatically control in a simple manner the supply of air to the room in relation to the number of people congregated.

According to the present invention this is achieved by the air supply to the room being controlled by means of valves or similar devices operated by the movement of the pivotable chair seats when these are turned up and down, the air being allowed free entry to the room, when the seat is turned down, and the air now being shut off, when the seat is turned up.

The invention will be further described in the following with reference to the embodiment illustrated in the accompanying drawings.

Figs. 1 and 2 show a side view and a front view respectively of a chair provided with a pivoted seat, according to the invention.

Fig. 3 shows on a larger scale a part of the chair shown in Figs. 1 and 2 in longitudinal section along the line III-III in Fig. 1, while Fig. 4 is a section along the line IV-IV in Fig. 3.

The legs 2 of the chair, provided with a pivotable seat I, are provided with vertical passages 3, which communicate with an air conduit 4 below the chairs and preferably arranged in the floor. The passages 3 of the chair legs further communicate with an air channel 5 running through and across the seat I, said channel extending between the hollow pivots 6 adapted for pivotally mounting the seat, said pivots being fixed to the seat by suitable means, but rotatably mounted to the chair legs in journal sleeves I. As is shown by the drawings, the channel 5 comprises a chamber extending across the whole width and length of the seat, and is directly connected to the atmosphere through a perforated disc 8 or the like.

In order to supply air to the room, in which the chair according to the invention is placed, when the seat of the chair is turned down, the pivots 6 and their journal sleeves I provide in combination a rotation-valve device. For this purpose the pivots 6 and the sleeves 'l are provided with cut-out portions 9 and [0 respectively, being so located as to cover each other when the seat is turned down, while they are entirely out of alignment, when the seat is turned up. The downward pivoting motion of the seat is limited in known manner by an abutment it,

while the upward motion is limited, for instance by the seat engaging the chair back.

The invention may naturally also be used for evacuating the room, in which case the air flow will pass in the opposite direction.

Having now particularly described the nature of my invention and the manner of its operation what I claim is:

1. A folding chair of the auditorium type comprising a fixed frame and a seat portion pivoted on said frame for swinging movement about a horizontal axis, said frame including an air duct connected with a source of air, valve means actuated by swinging movement of said seat portion to connect and disconnect said duct and the ambient atmosphere, said valve means comprising a horizontal sleeve fixed to said frame and extending into said duct and having a lateral port affording communication between said duct and the interior of said sleeve, and a hollow pivot fixed to said seat portion and rotatably mounted in said sleeve, said pivot having a lateral port which is in registry with said sleeve port, when said seat portion is in horizontal position and wholly out of registry therewith when said seat portion is in vertical position, a chamber Within said seat portion communicating with the interior of said pivot, and means in the lower wall of said chamber affording communication between said chamber and the ambient atmosphere.

2. A folding chair according to claim 1, in which said last means comprises a plurality of perforations.


REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 374,424 Ober Dec. 6, 1887 760,182 Chapman et al. May 17, 1904 1,370,832 Mollberg Mar. 8, 1921 2,022,959 Gordon Dec. 3, 1935 2,065,192 Mautsch Dec. 2 1936 2,151,138 Morris Mar. 21, 1939 FOREIGN PATENTS Number Country Date 545,005 Great Britain L May 7, 1942

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US374424 *Dec 6, 1887 Opera-chair
US760182 *Jun 29, 1903May 17, 1904Samuel E ChapmanVentilating device.
US1370832 *Jul 9, 1920Mar 8, 1921Mollberg BrorChair with ventilating device for theaters, biographs, and the like
US2022959 *Jan 18, 1934Dec 3, 1935Roy F GordonSeat ventilating and cooling device for automobiles
US2065192 *Jun 13, 1934Dec 22, 1936Westinghouse Air Brake CoHeating, cooling, and ventilating seated enclosure
US2151138 *Feb 17, 1937Mar 21, 1939Morris Earl SVentilating attachment for toilets
GB545005A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2852998 *Apr 5, 1955Sep 23, 1958Serra Jose LlobetSystem for diffusion of air in show halls for ventilation and air conditioning purposes
US4035018 *Oct 17, 1975Jul 12, 1977Castelli KgDevice for distributing conditioned air
US4748913 *Jul 11, 1986Jun 7, 1988Innovative Metal Inc.Powered desk
U.S. Classification454/322, 297/180.13
International ClassificationF24F13/06
Cooperative ClassificationF24F13/0604
European ClassificationF24F13/06A