US747776A

US747776A - Fastening for casement-windows, fan-lights, or the like.

Info

Publication number: US747776A
Application number: US14279203A
Authority: US
Inventors: Charles Rosenheim
Original assignee: Individual
Current assignee: Individual
Priority date: 1903-02-10
Filing date: 1903-02-10
Publication date: 1903-12-22
Anticipated expiration: 1920-12-22

Description

No. 747,776. 'PATENTED DEG.22,1903..

0. ROSENHEIM.

FASTENING FOR CASEMENT WINDOWS, FANLIGHTS, OR THE LIKE. APPLICATION FILED FEB. 10, 1903.

N O MODEL. 3 SHEETS-SHEET 1.

| l l u No. 747,776. --'-"PATENTED:DEG.22,1903.1

' o. ROSENHBIM. FASTENING-FOR CASEMENT WINDOWS, FANLIGHTS, OR THE LIKE.

APPLICATION IILBD FEB. 10, 1903.

K0 MODEL.

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- c. ROSIENHBIM.

FASTENING FOR GASEMENT WINDOWS, PANLIGHTS, OR THE LIKE.

APPLICATION I'ILE15 FEB. 10., 1903.

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' UN TE STATES rammed December 22, 1903.

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FASTENING FOR CASEMENT-WIliDOWS, FAN-LIGHTS, OR LIKE.

SPECIFIC ATION forming part of Letters Patent No. 747,776, dated December 22, 1903. Application filed February 10, 1903- Serial No. 142,792. (No 'model.)

To all whom it may concern:

Be it known that I, CHARLES ROSENHEIM, manufacturer, a subject of the Emperor of Germany, residing at Brussels, in the Kingdom of Belgium, have invented certain new and useful Improvements in Fastenings for Casement-Windows, Fan-Lights, or the Like, of which the following-is a specification.

This invention relates to an improved fastening apparatus for casement-windows, fanlights, and the like, the object of which is to permit such windows or the like to be closed and firmly secured in position within their frames and released therefromand opened by two successive pulls on a cord, chain, wire,

or the like easily accessible for convenient,

manipulation.

This apparatus essentially comprises a double ratchet-Wheel, one of which may be called the driving ratchet-wheel and the second the camlike ratchet-wheel, the driving ratchet-wheel being provided with a number of teeth double of the number of teeth of the cam-like ratchet-Wheel. The driving ratchetwheel is rotated the value of one tooth at each pull on the cord, chain, or the like, while simultaneously the teeth of the cam like ratchet-wheel cause a lever to be oscillated or alternately raised or lowered, the said lever being combined with a suitably-shaped hook adapted to engage withasimilar-shaped hook connected to the window or like framework.

Referring to the annexed drawings, Figure 1 is a front View of the apparatus in its position at the moment of the opening or closing of the Window or fan-light. Fig. 2 is a front view, partially in section, showing the interior of the apparatus. Fig. 3 is a section taken on line A A of Fig. 2. Fig. tis a horizontal section taken on line B B of Fig. 2. Fig. 5 is a diagrammatic view showing a fanlight in its opened position. Figs. 6 and 7 are illustrations showing the operation of a portion of the device.

In the casing 1, fixed to the window or fanlight movable portion 2, is mounted an axle or spindle 3, the ends whereof project beyond the sides of the casing 1 and receive the forked ends of a suitably-shaped hook 4, adapted to engage with a hook 5, connected to the windew-framework 6 when the window is to be .maintained in its closed position.

' cam-like ratchet-wheel 9.

shown in Fig. 3.

On the axle 3 is mounted in the casing 1 a pawl 7, pressed by means of a spring 8 on a The said ratchetwheel ,is combined with a second ratchetwheel10,.hereinafter called the driving ratchet-wheel, provided with a number of teeth double to that of the ratchet-wheel 9.

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These two ratchet-wheels are loosely mount- 1 ed on an axle'll, passing through the casing 1 and provided inside the said casing with an arm 12, to which is pivoted a pawl 13, adapted to engage with the teeth of the ratchet-wheel 10. The said axle 11 is further provided outside the casing 1 with a lever 14, to which is attached the cord or chain 15, actuating the window or fan-light. The axle 11 is subjected to the action of a spring 16, rengaging automatically the-paw1 13 with one tooth of the ratchet-Wheel 10 when the lever hasbeen raised in the direction of the arrow 17, Fig. 3.

The displacements of lever 14 in the direction of the arrow 17 and in the oppositedirection are limited by two

shoulders

18 and 18, provided on said lever and adapted to bear against the plate 19 of the apparatus, the shoulder l8 acting when the lever 14 is displaced in the direction of the arrow 17 under the action of a pull on the cord 15 and the shoulder 18 when said lever is returned in the opposite direction under the action of the spring 16.

The apparatus may be combined with a sash-lever 20, mounted on a pivot 21, subjected to the action of a spring 22. The displacement of the said sash-lever is limited at the moment of the opening of the window by aid ofashoulder 23, hearing against the lateral wall of the casing 1. the window is in its opened position, is brought in the path of the manipulating-lever 14, thus preventing the rotation of said lever, and consequently as long the window This shoulder 23, when remains in its opened position preventing the weight of the window to unduly strain the spring 16, acting on the lever 14..

The actuating-cord 1 5 is attached at they end of the lever 14 and is conducted on suit-- able rollers 24, so as to be accessible for convenient manipulation.

The apparatus acts as follows: The window or fan-light being in its closed position, the hook 4 is in engagement Withthe hook 5, as The pawl 7 then rests in the space between two consecutive teeth of the ratchet-wheel 9. At the moment when a first pullis exerted on the cord the lever14 is rotated in the direction of the arrow 17, and consequently also the axle 11, which, putting the spring 16 under tension, causes the driving ratchet-wheel 10 to advance or rotate the value of one tooth by means of the pawl 13. The cam-like ratchet-wheel 9, forming only one piece with the ratchet-wheel 10, is also rotated and acts by one of its teeth on the pawl 7, which israised (as shown in dotted lines, Fig. 3) and held by a notch on the end of the tooth of the ratchet-wheel 9. The pawl 7 is consequently held in its raised position. The raising of the pawl7 has caused the axle 3 to be partially rotated, and the hook 4: has consequently been disengaged from the hook 5. The casement-window or the like is consequently free to move and falls into its opened position, this movement being facilitated by the action of the sashlever 20 on the framework 6. As soon as the pull on the cord 15 is released the lever 14 is returned by the spring 16in its original position, in which the shoulder 18 rests against the plate 19. Simultaneously the pawl 13 is engaged by the next tooth of the ratchetwheel 10. At the moment when a second pull is exerted on the cord 15 the window is first returned toits closed position. Then the lever 1-1 is again rotated, causing a new partial rotation of the ratchet-wheel 10. At the moment when a second pull is exerted on the cord 15 the window is first returned to its closed position. Then the lever 14 is again rotated, causing a new partial rotation of the ratchet-wheel 10. Consequently on account of the relation existing between the teeth of the driving ratchet-wheel 9 and of the camlike ratchet-wheel 10 the pawl 7 falls again into the space comprised between two consecutive teeth of the ratchet-wheel 9, and as a result the hook 4D is again brought in engagement with the book 5, thus holding firmly the casementwindow or the likein its closed position. The same operation (opening or closing) will take place alternately at each pull on the cord 15.

It is obviously not necessary to combine the sash-lever directly with the apparatus, the use of said lever in itself being well known and its location being possible at any suitable place. Its location, as shown on the drawings, with its axle or pivot 21 situated on one side of the middle line of the apparatns and the end of the arm 20 on the other side of said middle line, has the special advantage of balancing the. strains on the movable framework, and of thus avoiding any deformation of said framework.

Having thus described my invention, what I claim is 1. An improved fastening apparatus of the kind described comprisinga cam-like ratchetwheel, a driving ratchet-wheel having a number of teeth double of that of the cam-like ratchet-wheel a hook acted upon by the camlike ratchet-wheel and means for rotating partially the driving ratchet-wheel, the partial rotation of the driving ratchet-wheel causing the hook to be alternately raised and lowered by the cam-like ratchet-wheel substantially as'described.

2. An improved fastening apparatus of the kind described comprising a cam-like ratchetwheel, a drivingratchet-wheel havinganumber of teeth double of that of the cam-like ratchet-wheel and rigidly connected to said cam-like ratchet-wheel, a spring-actuated pawl engaging with the teeth of the cam-like ratchet-wheel, a hook connected to said pawl and adapted to engage with a similar hook and means forrotating partially the driving ratchet-wheel so as to cause the pawl and the hook connected thereto to be raised at a first partial rotation of the driving ratchetwheel and lowered at a second partial rotation of said driving ratchet-wheel, substantially as described.

3. An improved fastening apparatus of the kind described comprisingasuitable casing, an axle 11 extending outside the casing, an actuating-lever 14 mounted on said axle, a double ratchet-wheel loosely mounted on said axle and comprising a driving ratchet-wheel 10 and a cam-like ratchet-wheel 9 the driving ratchetwheel having a number of teeth double of that of the cam-like ratchet-wheel, an arm 12 mounted on said axle 11, a pawl 13 carried by said arm and engaged with the teeth of the driving ratchet-wheel, a second pawl 7 acted upon by the cam-like ratchetwheel, an axle 3carrying said pawl, said axle extending outside the casing and a hook 4, mounted on said axle substantially as described.

4. An improved fastening apparatus of the kind described comprising a casing 1 an axle 11 extending outside the casing, an actuatinglever 14 mounted on said axle, the said lever being provided with two

shoulders

18, 18 limiting its displacements, a double ratchetwheel loosely mounted on said axle and comprising a driving ratchetwheel 10 and a camlike ratchet-wheel 9, the driving ratchetwheel having a number of teeth double of that of the cam-like ratchet-wheel, an arm 12 mounted on the ratchet-wheehearrying axle 11, a pawl 13 carried by said arm and engaged with the teeth of the driving ratchetwheel, a second pawl 7 acted upon by the cam-like ratchet-wheel, an axle 3 carrying said pawl, a hook a mounted on said pawlcarrying axle, a sash-lever 20 provided with a shoulder 23 and a spring 2 actuating said sash-lever substantially as described.

In witness whereof I have hereunto set my hand in presence of two witnesses.

CHARLES ROSENHEIM.

\Vitnesses:

Gnoue BEDE, GREGORY PHELAN.