US878979A

US878979A - Blind-tenon.

Info

Publication number: US878979A
Application number: US38794507A
Authority: US
Inventors: Charles Miller
Original assignee: Individual
Current assignee: Individual
Priority date: 1907-08-09
Filing date: 1907-08-09
Publication date: 1908-02-11
Anticipated expiration: 1925-02-11

Description

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side thereof.

CHARLES MILLER, OF DEL RIO, TEXAS.

BLIND-TENON.

Specication of Letters Patent.

Patented Feb. 11, 1908.

Application filed August 9.1907- Serial No. 887.945-

To a/ZZ whom it may concern:

Be it known that I, CHARLES MILLER, a citizen of the United States of America, residing at Del Rio, in the county of Valverde and State of Texas, have invented new and useful Improvements in Blind-Tenons, of which the following is a specification. p

This invention is a metallic blind tenon, for use on the end of a blind. slat to pivot the slat in the frame of the blind, and the said invention consists in the construction, combination and arran 'ement of devices hereinafter described and c aimed.

i -The object of my invention is to provide a metallic tenon for blind slats, which is entirely inconspicuous when applied to the end of a blind, is exceedingly strong and durable, may be readily manufactured at slight cost,

may be applied to a slat when new, in lieu of f the ordinary integral blind slat tenon, and which may be substituted for a wooden tenon which has been broken from the end of a slat, to enable the slat to be continued in use, and without the necessity of having` to lirst remove the dowel pin at the points of the blind frame and take the blind frame apart in order to repair and replace a broken slat or to substitute a new one therefor.

In the accompanying drawings,-Figure 1 is an elevation of a portion of a blind and of slats therein provided with my improved tenons, a portion of one side of the blind being shown in section to disclose the tenon of one of the slats. Fig. 2 is a detail perspec tive view of one end of a slat and of the metallic tenon, the latter being shown detached from the slat. Fig. 3 is an elevation of my improved metallic tenon, showing theY inner Fi 4 is a detail perspective view of a modifie form of tenon. sectional view of the same, showing the same attached to the end of a slat. Fig. 6 is a detail perspective view of another modification.

The tenon or journal l is tubular in form, is made preferably of sheet metal and is open at its ends. At the inner end of saidl tenon or journal is a base 2, which in the form of my invention shown in Figs. 1, 2 and 3 is also made of sheet metal, comprising the wings 3 to bear on the end of the slat A, the interme diate bent or looped portion 4 and prongs or points 5, which are formed integrally with the wings at the outer ends thereof and are bent at right angles thereto and adapted to be pressed into the end of the slat to penetrate Fig. 5 is a the same and thereby secure the base to the end of the slat, as will be understood. The bent or looped portion 4 forms a projection which extends laterally from the base and is inserted in the inner end of the tubular tenon or journal, and the latter has opposite sides bent inwardly, as at 6, to form crimps which extend into the opening between the sides of the bent or looped portion 4 and hence serve to secure the said journal or tenonto the said offset portion of the base. The said crimps are deepestat the inner end of the journal or tenon, and the bent or looped portion 4 of the base forms a wed e-shaped opening between the sides of said ent or looped portion, so that the crimpsof the tenon or journal by coaction with the opposing inner surfaces of the outwardly converging sides of the bent or looped portion effect a secure connection between the tenon or journal and the said bent or looped portion, and hence the said journal or tenon is secured against casual removal from the base. It will be understood that when the usual wooden tenon or journal has been broken from the end of a blind slat my improved metallic tenon or journal can be readily attached thereto by rst inserting the journal or tenon in the socket B in the side of the blind frame and then pressing the points 5 of the base into the end of the slat.

The base of my improved tenon or journal is made of spring metal, and the tension thereof causes the wings ofthe base` to lie snugly against the end of the tenon after the points 5 have been inserted therein, so that the base is prevented from buckling.

It will be understood that my improved tenon or journal is entirely inconspicuous, so that it will not be observed when applied to the end of a blind slat to pivot the latter and need not be painted, but, of course,- may be painted, if desired.

In the form of my invention shown in Figs. 4 and 5 the base 7 is a flat metallic plate having its arms which extend in opposite directions narrowed outwardly and provided at their ends with points 8 which are bent therefrom for insertion in the end of a slat. The said arms of the base are provided near the outer ends thereof with openings 9 for the insertion of nails, screws or the like l0 to coact with the points 8 and in securing said base to the end of a slat. In the center of the said` base plate is a circular opening through which the inner end of a tubular tenon or journal 11 passes, and the inner end of the said tubular tenon or journal is swaged outwardly, as at 12, to form an annular circumferential lange which bears against the inner side of the base plate and hence serves to secure the journal or tenon to said plate.

In the form of my invention shown in Fig. 6 the base 13 is made of wire bent to form arms or wings 14 having points 15 at their outer ends and an intermediate offset portion 16 to enter the inner end of the tubular tenon or journal.

Having thus described the invention, what is claimed as new, is:

1. In a blind slat, a tenon or journal comprising a base having a laterally extending bend providing spaced sides, and a tubular journal having its inner portion on said bend of the base and provided with crimps engaging the sides of said bend.

2. A device of the class described comprising a base to bear on the end of a slat, and having a laterally extending projection provided with an opening extending transversely thereof, and a tubular journal having its inner portion on said projection and provided with crimps engaging the sides of the open-- ing thereof.

3. A device ofthe class described comprising a base to bear on the end of a slat and having a laterally extending projection provided with a transverse wedge-shaped opening the sides of which converge outwardly, and a tubular journal having its inner portion on said projection and provided with crirnps engaging the sides of the opening thereof.

4. A device of the class described comprising a base to bear on the end of a slat formed with points at its ends to enter the slat and formed at its center with a laterally extending bend provided with spaced sides and a tubular journal having its inner portion on said bend of the base and provided withA `Witnessesz JosEPH JONES, WALTER F. JONES.

CHARLES MILLER.. i'