US2952051A - Louver windows - Google Patents

Description

E. c. SCOTT LOWER WINDOWS Sept. 13, 1960 2 Sheets-Sheet 1 Filed July 20, 1959 Sept. 13, 1960 E. c. scoT'r 2,952,051

, LOUVER wmnows Filed July 20, 1959 2 Sheets-Sheet 2 an: In

United States Patent LOUVER WINDOWS Edwin Charles Scott, 111 Earl St., Annerley,

Brisbane, Australia Filed July 20, 1959, Ser. No. 828,217

Claims priority, application Australia July 23, 1958 Claims. (11. 20-62) This invention relates to louver windows. I V

A standard, currently-popular type of adjustable louver assembly includes a pair of jamb assemblies mounted in spaced, vertical, opposed relationship at either side of a window opening and having parallel, horizontal louver blades arranged in a vertical series therebetween, the louver blades being mounted for pivotal movement in unison about horizontal axes. For this purpose, each jamb assembly has a vertical jamb member having pivoted thereto at corresponding, equally-spaced positions a series of channelled louver clips adapted to support the ends of the louver blades, the lowermost portion of each louver clip overlapping in front of the uppermost portion of the louver clip next below when the louver clips are in closed positions. Means are provided to enable the clips to be pivoted in unison, such as a pair of parallel operating bars located longitudinally within one of the jamb members.

In view of the tendency for strong wind or driven rain to pass between the louver jamb member and the pivoted louver clips, it is known to provide weather beads on the jamb between the louver clip pivots and lying co-linearly along a line passing through the axes of the pivots, corresponding weather beads being provided on the louver clips on either side of the pivot so that the beads of the jamb and clips will lie adjacent one another when the clips are in their closed positions. However, for this purpose, the louver clips require to be specially shaped to provide tapered, integral beads, and they therefore diifer considerably in appearance from the desired, conventional, plain channelled clips.

' In order that plain clips having no weather beads thereon may be used with jambs having weather beads, it has been proposed to provide a jamb on which a weather bead extends from each louver clip pivot to the pivot immediately below it, the upper part of the bead being in rear of the lower part of the upper louver clip, whilethe lower part of the head is in front of an upper part of the lower louver clip, an intermediate part of the bead passing obliquely downwards from rear to front in the region of the overlapping parts of the two louver clips. However, it is generally conceded that this particular arrangement of the jamb weather beads is not aesthetically pleasing.

. The present invention has accordingly been devised with the principal object of providing a jamb assembly having a weather-proofing arrangement in which jamb weather beads may be utilised without louver clip weather beads, and which at the same time will have an attractive appearance and will prove efiicient in operation.

Other objects of the invention are to provide a jamb assembly of the character described in which the weatherproofing means of the invention may be simply and economically incorporated, and in which the louver clips are not liable to rub against the jamb during the opening and closing movements.

With the foregoing and other objects in view, the invention resides broadly in a jamb assembly for adjustable louvers of the type having a series of channelled louver clips pivoted at corresponding, equally-spaced positions along a jamb member, the lowermost portion of each louver clip overlapping in front of the uppermost portion of the louver clip next below when the jamb member is vertically disposed and the louver clips are in closed positions; characterized in that there is provided a series of pairs of substantially parallel weather beads on the jamb member, each pair of beads extending between an adjacent pair of louver clip pivots, one weather bead of each pair being disposed at or near to the front of the louver clips and the other at or near to the rear of the clips when the latter are in their closed positions, an upper section of each rear bead and a lower section of each front bead protruding further from the jamb surface than the lower section of each rear bead and upper section of each front bead, and the louver clips being so pivoted as to move over the less-protruding sections of the beads but engage against the more-protruding sections of the beads. Other features of the invention will become apparent from the following description.

In order that the invention may be more readily understood and put into practical effect, reference will now be made to the accompanying drawings, wherein:

Fig. 1 is a front perspective view of part of an adjustable louver assembly according to the invention, showing a pair of jamb assemblies and two louver blades;

Fig. 2 is a side elevational view of part of one of the jamb assemblies shown in Fig, l, with the louver blades omitted and the louver clips shown in open positions;

Fig. 3 is a similar view to that of Fig. 2, but with the louver clips shown in closed positions, the louver blades being indicated in broken outline;

Fig. 4 .is a perspective view from the rear or lower side of a louver clip, and

Fig. 5 is a sectional plan view, taken along the line 5-5 in Fig. 2.

Referring initially to Fig. l of the drawings, there is shown an adjustable louver assembly having a pair of jamb assemblies 10 and 11 with glass louver blades 12 therebetween, the jamb assemblies being adapted to be mounted in spaced, vertical, opposed relationship at either side of an opening. The jamb assembly 10 includes a channel-section jamb 13, while the jamb assembly 11 has a jamb 13a of similar but opposed construction.

The jambs 13, 13a have bearing apertures 14 at regularly-spaced positions along the medial longitudinal lines of their inner surfaces, pivot disks 15 being rotatably mounted in the apertures 14 and each having a louver clip 16 secured by a pair of pins 17. As shown in Figs. 1 and 5, each pivot disk 15 has an enlarged outer or rear portion 18 adapted to bear against the rear face of the jamb 13, 13a, while in the case of the jamb 13a, the outer portions 18 of the pivot disks 15 are connected by diametrically-opposed pins 19 to a pair of oppositelyreciprocable operating bars 20 arranged longitudinally within the.channel of the jamb 13a as shown in Fig, 1, and adapted to be actuated by an operating mechanism (not shown) to pivot the louver clips 16 in unison be tween the open positions shown in Fig. 2 and the closed positions shown in Fig. 3.

Each louver clip 16 is secured at about its middle to the respective pivot disk 15 by means of the pins 17 and is of substantially constant or uniform cross-sectional configuration, being of simple channel-section to receive an end of the glass louver blade 12. Thus, each louver clip 16 has a plain upper or front flange 21 and a lower or rear flange 22 parallel thereto, the two flanges being conclip 25 adapted to engage the lower or rear face of the louver blade 12 to hold it firmly, the degree of deformity of the spring clip 25 depending upon the thickness of glass used for the louver blade 12. It will be noted that the base or side 23 of each louver clip 16 which engages the end of the louver blade 12 and lies adjacent the inner face of the jamb 13 is completely planar and devoid of any beads, ridges, projections or the like.

About each bearing aperture 14 of the jamb 13, there is formed, by pressing outwards, a narrow, slightly-protruding pivot boss 26, and the pivot disk 15 is so arranged in the bearing aperture 14 that the louver clip 16 may rotate with either no engagement or negligible engagement with the boss 26, as will be apparent from consideration of Fig. 5.

Located between and extending from the bosses 26 of each adjacent pair of bearing apertures 14, there is a pair of parallel weather beads, comprising a front bead 27 and a rear bead 28. These beads 27 28 are pressed outwards from the jamb 13 and lie parallel to one another, both being disposed at a slight angle to vertical from rear to front in a downward direction and lying wholly on opposite sides of the medial longitudinal line of the jamb 13 through the axes of the bearing apertures 14. The lower section 29 of the rear bead 28, up to about the position occupied by the lower extremity 30 of the louver clip 16 directly above when the latter is in closed position, is very narrow and slightly protruding, being pressed outwards to the same or a slightly less extent than the pivot bosses 26. The upper section 31 of the front head 27 is of similar shape and extends upwards from slightly above the top of the rear lower bead section 29.

The upper section 32 of the rear head 28 and the lower section 33 of the front bead 27 are so pressed as to protrude further from the jamb 13 than the sections 29 and 31, protruding beyond the bosses 26, and at the same time they are of greater width. However, the medial longitudinal lines through the two sections of each of the beads are co-linear. It will thus be seen that each bead 27 or 28 has a more-protruding section and a less-protruding section, the two being continuous between pivot bosses 26 and arranged so that their center lines are co-linear.

The end 34, of the louver clip 16 which is opposite to the aforementioned end 30 and which is uppermost when the clip is closed, overlapping in rear of the lower end of the louver clip 16 next above, is cut away at its flange 21 to allow the blades 12 to contact one another at this position, and it is also cut away at the base or side 23 to be clear of the lower end of the more-protruding section 32 of the rear bead 28, allowing the clip 16- to move freely over this section into fully closed position, the edge 35 of the lower or rear flange 22 at this end 34 of the clip 16 being slightly flared to lie against the said lower extremity of the more-protruding section 32 of the rear bead 28.

The operation of the jamb assemblies and louver assembly will be clear from the foregoing description and the dnawings, it being noted that the closing action of each louver clip 16 is in the direction indicated by the arrow 36 in Fig. 2 to bring the clips to the positions shown in Fig. 3. As the louver clips 16, by virtue of the pivot bosses 26, are pivoted at a distance from the jamb 13 greater than the distance to which the sections 29 and 31 of the beads protrude, the clips 16 will be able to move past these less-protruding sections during both opening and closing movements. However, the clips 16 in their closed positions will contact the bead section 33 with the upper part of the front flange 21 and the bead section 32 with the lower part of the rear flange 22, these sections 32 and 33 protruding further from the jamb 13 than the position of the edge or base 23 of each clip 16.

The slight angle from vertical of the weather beads 27, 28 is designed to cater for the fact that the thickness of glass in the overlapped louver clips 16 prevents the latter from assuming true vertical positions, as will be apparent from Fig. 3, and the inclined beads will thus truding section 31 thereofwill have lost its penetrative momentum and so be unable to pass the rear bead, the water running down the space between the parallel beads.

It will also be apparent that the louver clips 16 are pivoted at a distance clear of the face of the jamb 13 and less-protruding sections 29, 31 of the weather beads, by

virtue of the arrangement of bosses and pivot disks, so that there is little likelihood of the clips 16 contacting or scraping the surfaces and thus rubbing the finishing coat therefrom.

While jamb assemblies and weather-proofing means as described and illustrated will be found very effective in achieving the objects for which the invention has been devised, it will be understood that this particular exemplary form of the invention may be subject to many modifications of constructional detail and design without departing from the scope and ambit of the invention, as defined by the appended claims.

What I claim is:

l. A jamb assembly for adjustable louvers of the type having a series of channelled louver clips pivoted at corresponding, equally-spaced positions along a jarnb member, the lower-most portion of each louver clip overlapping in front of the uppermost portion of the louver clip next below when the jamb member is vertically disposed and the louver clips are in closed positions; characterized in that there is provided a series of pairs of substantially parallel weather beads on the jamb member, each pair of beads extending between an adjacent pair of louver clip pivots, one weather bead of each pair being disposed at or near to the front of the louver clips and the other at or near to the rear of the clips when the latter are in their closed positions, an upper section of each rear bead and a lower section of each front bead protruding further from the jamb surface than the lower section of each rear bead and upper section of each front bead, and the louver clips being so pivoted as to move over the less-protruding sections of the beads but engage against the more-protruding sections of the beads.

2. A jamb assembly for adjustable louvers according to claim 1 and further characterized in that each louver clip is mounted on a pivot disk rotatable in a pivot boss protruding from the jamb surface to an equal or slightly greater extent than the less-prortuding sections of the beads and to a lesser extent than the more-protruding sections of the beads, each bead extending from and between adjacent bosses.

3. A jamb assembly for adjustable louvers of the type having a series of channelled louver clips pivoted at corresponding, equally-spaced positions along a jamb member, the lowermost portion of each louver clip overlapping in front of the uppermost portion of the louver clip next below when the jamb member is vertically disposed and the louver clips are in closed positions; characterized in that there is provided a series of pairs of substantially parallel weather beads on the jamb member, each pair of beads extending between an adjacent pair of louver clip pivots, one weather bead of each pair being disposed at or near to the front of the louver clips and the other at or near to the rear of the clips when the latter are in their closed positions, an upper section of each rear bead and a lower section of each front bead protruding further from the jamb surface than the lower section of each rear bead and upper section of each front bead, each louver clip being mounted on a pivot disk rotatable in a pivot boss protruding from the jamb surface to an equal or slightly greater extent than the less-protruding sections of the beads and to a lesser extent than the more-protruding the more-protruding sections, and the medial longitudinal 10 lines through the two sections of each bead are co-linear.

5. A jamb assembly for adjustable louvers according to claim 3 and further characterized in that the weather beads of each pair of such beads lie wholly on opposite sides of the line passing through the axes of the louver clip pivots, each bead being inclined from rear to front in a downwards direction.

No references cited.

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