US1228042A - Oven-door. - Google Patents

Description

H. W.' ODOWD.

OVEN DOOR.

APPLICATION mfp AuG.24. 1912.

Patented Maly 29, 1917 nu: mmms Ps1-sas co.. mmmumo.. wAs'mN nm. n. c.

HENRY W. ODOWID, OF JERSEY CITY,

NEW JERSEY, ASSIGNOR TO WILLIAM lVI. CRANE COMPANY, A CORPORATION OE NEW YORK. 1 1

OVEN-DOOR.

Specification of Letters Patent.

Patented May 2e, 1917.

Appiication mea August 24, 1912. serial No. 716,345.

' To all whom t may concern:

4a spring' arranged in Be it known that I, HENRY W. ODOWD, a citizen of the United States, and a resident of Jersey City, Hudson county, State of New Jersey, have invented certain new and useful Improvements in Oven-Doors, of which the following is a specication.

This invention relates to doors for heating apparatus and more particularly to oven doors for stoves, ranges, and the like. i

Objects of the invention are to provide an improved construction of oven door with connecting parts which is adapted to swing vertically between a horizontal position and a closed position; whose descent to horizontal position is cushioned by an elastic element; which has parts arranged to stop the downward movement of the door at horizontal position; whose parts shall be few, simple, and compactly arranged; and to provide a device of said character which shall be economical and durable in construction and adapted to sustain heavy burdens and at the same time be of sightly appearance. These and other objects of the invention'will be in part obvious and in 'part more fully explained in the following description.

The invention consists in the novel parts, improvements, combinations, and features of construction In the accompanying drawing, which 1s referred to herein and forms a part hereof, is illustrated an embodiment of the invention, the same serving in connection with the `description herein to explain the principles of the invention. f

Thev drawing is an end elevation of a door, showing the same as attached to an oven, the body of the stove being broken away, and in open or horizontal position, and the door also being shown'in vertical or closed position in the dotted lines.

An oven door constructed in accordance with certain features of the invention comprises in combination with the door, a bearing mounted upon the face of the door, a bearing mounted upon the oven casing below the door, and a memberumounted in said bearings, said member comprising a tube, a rod arranged to reciprocate in said tube, and

Asaid tube and cooperating with said rod to Check the fall .of thedoor.

l ,tl-Wording herein shown and described.

w another .feature the T111-,

vention, means are provided for stopping the downward movement of the doorV at a predetermined point, in this feature of the invention said point being the horizontal plane of the door.

` These and other features of the invention will be more fully set forth in the following description.

Referring now the embodiment of the invention illustrated comprises a door 6 mounted in horizontally alined trunnions 7 .on the stove 8. Means are provided for cushioning the door in its descent, said means comprising a bearing 10 arranged upon the outer face of the door and said bearing, preferably and as shown including an upper head portion 11, anda body portion 13, said head and body portions having a longitudinal recess 14, further allusion being made presently to this recess. On the face of the stove below the door is conveniently arranged another bear ing 16, the same in the embodiment of the invention illustrated'being in vertical 'alinement with the bearing 10 and having formed therein a recess 18, particular mention of which will again be made.

Arranged to operate between the stove and the door and in the bearings 10l and 16 is an element comprising ,a tube 20, having a head 21 arrangedl to slide in the recess 14 and retained therein by a pin 23. Arranged to reciprocate invsaid tube 20 is a rod 25 which at `its lower end. pivotsV in the recess 18 and is confined therein by a'pin 26. The Voperation of the rod/25 in the tube 2O in the descent and ascent of the door is obvious. It will be noted that the tube 20 is gradually covered by the walls of the recess 14 in the ascent of the door to closed position vand gradually emerges from the recess during the descent to open position of the door. rlhis construction affords the two-fold advantage of steadying the door during its opening and closing movements and at the same time renders the door sightly when in closed position. Y

In order that the'door may be used vto best advantage when in its horizontal position to sustain the material-to be treated,.as the food to4 be cooked, means are provided for stopping the descent of the door, when the latter has reached its horizontal plane and 0f Supporting it in Such Position freier@ in detail to the drawing,

one embodiment of ably and as shown, the recess 18 -s formed with an upper wall 27, and, the lower end of the rod 25 swinging on the pin 26, the eX- treme end of said rod 25 will, as shown in the drawing, abut against said wall 27 when the door has reached horizontal position and thus prevent further descent of said door.

The descent or opening of the door 6 is further arrested by means of an abutment 2S. formed annularly around the rod 25, near the pivot thereof. As clearly shown in the drawing, the inner or lower end of this abutment is contiguous and arranged to swing in proximity to the face of the bea-ring 16, and the latter has an outline of arcuate formation, being shaped in such a manner that the abutment can oscillate only between two points thereon, upon which -1t will alternately bear, that is, while in its uppermost and lowermost positions, respectively, as indicated by the dotted andthe full lines. Wlhen the door is opened and Vdropped to horizontal position, the abutment slides down to or near the lower end of the arc on the face of the bearing, where it assists in holding' the rod 25 at the angle required to maintain the door level. In the present embodiment of the invention, the rod then constitutes the hypotenuse or longest side -of a right-angled triangle, the other sides whereof are respectively represented by the open door 6 and the front of the stove 8. On the other hand, when the door is closed, the abutment slides up to or near the upper end of the said arc, upon which it stands with the rod in a vertical position.

In order that the descent of the door may be accomplished gradually and gently and without injury to the stove or contents means are provided for cushioning the door in its descent, the same in the preferred embodiment of the invention comprising a spring 29 housed in the tube 20 above the rod 25, said spring being of suitable size and strength. As the drawing shows, the spring 29 is' compressed endwise against the rod 25, by the downward or inward movement of the tube 20, upon the opening of the door, and relaXes during the reverse movement thereof, as the door is being closed. The tube is adapted to slide over the rod as far as the abutment 28 thereon, while the door opens, so that the lower end ofthe tube may meet squarely the upper end of the abutment in the event of the spring being too hard compressed. This serves to keep the open door level, at least approximately, at all times, notwithstanding any excessive weight that may occasionally be imposed upon the same.

It will be seen that an oven door constructed as herein described will carry out the objects of the invention, as heretofore set forth, and will possess other advantages which will be apparent to those skilled in the art.

The invention in its broader aspects is not limited to the precise construction shown and described, as many changes may be made in the details of the invention without departing from its main principles or sacrificing its chief advantages.

I claim t` l. The combination of an oven door, a bearing arranged upon the face of the door, a bearing arranged upon the oven casing below the door, and a member mounted in recesses in said bearings, said member comprising a. tube, a rod arranged to recipro cate in said tube and having' its lower end mounted in the recess in said second bearing, and a spring arranged in saidtube and cooperating with said rod, said recess in said second bearing being so outlined and said rod being so proportioned and fashioned at its lower end that said end will abut against a wall of said second recess when the door is in its horizontal position.

2. The combination with an oven door mounted to swing vertically downward from its closed position and a bearing on the oven below the door, of a longitudinally compressible bracing member pivoted at opposite ends to the door and to said bearing, said member abutting under a wall of the bearing beyond its pivot therein, and being thereby maintained at a predetermined angle to hold the door in a horizontal position.

3. The combination with an oven door adapted to be swung open downwardly in a vertical plane and an arcuate bearing secured to the oven below the door, of a longitudinally compressible bracing member flexibly connected with the outer face of the door and with said bearing, and an abutment on said member oscillatable therewith along the arc of the bearing down to a point thereon capable of arresting it at a given angle relatively to the open door.

4. The combination of an oven door mounted to swing vertically downward from closed to open position, a bearing on the oven below the door, a longitudinally compressible member flexibly connected at its upper end tothe door and at its lower end to said bearing, the latter-named end of said member taking under a wall ofthe bearing interiorly thereof, and an abutment on the member adapted to rest upon the exterior of the bearing coincidentally with the engagement of said lower end of the member with said wall.

5. The combination with an oven door mounted to swing vertically downward from its closed position, of a bearing attached to the oven beneath the door, and a telescoping longitudinally compressible bracingv member between the outer face of the door and said bearing, comprising a rod pivoted m the latter, E spring on the outer end of said rod,A

an abutment on the rod adapted to rest on the bearing at a. predetermined angle relatively to the open door, and a tube slidable over said spring and rod down to said abutment.

In testimony whereof, I have signed my HENRY W. oDoW'D.

Witnesses:

EUGENE M. CHAPMAN, JOSEPH H. MULFORD', J r.

Copies of this patent may be obtained for ive cents each, by addressing the Commissioner of Patents, Washington, D. G.

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