US358444A - Egg-tester - Google Patents

Description

(No Model.) i

i B. B.- GURLEY.

EGGTESTER.

No. 858,444. Patented Mar. 1, 1887.

UNITED STATES PATENT OFFICE.

BENJAMIN B. GURLEY, OF MINNEAPOLIS, ASSIGNOR OF ONE-HALF TO ARTHUR G. LEWIS, OF ST. PAUL, MINNESOTA.

EGG-TESTER.

SPECIFICATION forming part of Letters Patent No. 358.444. dated March 1, 1887.

Application filed August 3l, 1886.

To all whom it may concern.- Be it known that I, BENJAMIN B. GURLEY, a citizen of the United' States, residing at Minneapolis, in the county of Hennepin and State of Minnesota, haveI invented certain new and useful Improvementsin Egg-Testers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in devices for testing or candling eggs; and the object of my invention is to provide an apparatus that shall be simple in its construction, which may be easily and expeditiously operated, and by which any person can perform the Work of testing eggs.A

My invention consists in the construction and combination of devices, hereinafter described, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a side elevation of my improved egg-tester. Fig. 2 is a vertical section. Fig. 3 is a detail. Fig. 4 is a view of the ratchet and pawl.

In the drawings, 1 represents the base of thel machine. It is preferably a board or frame of suitable size to give the machine the desired stability. To this base is secured a vertical standard, 2, which supports the operating parts of the apparatus. At its upper end is formed the bearing or collar 8, upon which is seated, to revolve freely,the table or disk 3. There is a washer, 51, on the standard, above the table, and a pin, 53, through the standard, above the washer, holds the table in place. On the under side of the table is the ratchet 10.

9 is a coiled-spring pawl, 'of the shape substantially shown in Figs. 3 and 4 when in its normal position. One end of the spring is secured to the standard 2, preferably by being passed through the standard. The ,other end is secured to the strap l5, which passes over the pin 13, and at its opposite end is secured to the treadle 16. The bend `in the spring 9 is in position to take into one of the notches in the ratchet. As the treadle is depressed the spring is coiled more tightly, or wound up, and when the treadle is released the 5o spring unwinds or regains its normal shape.

may be used to hold it in place.

serin Nn'. 212,295. fue model.)

As it does this, the part that lies iu the notch of the ratchet slides over the inclined side of the notch, springs upward into the next notch of the ratchet, and is ready for the next movement of the treadle. By this means the table is rotated by a step-by-step movement on the standard 2.

It will be seen that the ratchetpawl has a double action. It acts in a horizontal plane and it also acts vertically. I am not aware that a spring-pawl of this kind has ever before been uscd.

On the table 3 is secured a metal support, 4. Thissupport is in the shape of a frustum of a cone,and is preferably made of thin metal. It may be secured to the table 3 by nails or screws, or in any other suitable Way. On a line a little below its center it has a series of holes, 21, and just below these holes is a ledge,` 5. The inner surface of the ledge and the outer surface of the support 4, to aline ashort distance above the holes 21,are preferably covered with flannel, as indicated by the dotted line in Fig. 1, so that there will be less liability of breaking the eggs placed thereon.

6 is a cone-shaped attachment, preferably made of thin metal. It has a socket,18,upou one side, and this is slipped over the upper reduced end, 17, of the standard 2. In the lower end of the cone is secured a small mirror, 19, and in the side of the cone, just above the mirror, is a hole, 20. This hole may register with any one of the holes 21 in the support 4.

The'apparatus may be usedv to test eggs by sun-light; but as this cannot always be had, I affix a lamp attachment, as shown in Fig. 1.

31 isa horizontal rod on standard 2. To the end of the rod isv secured the T-coupling 33, through which slides the vertical rod 36, carrying the small platform 37 at its upper end. By a set-screw, 35, the rod 36 may be secured at the desired height. A lamp, 40, is supported on the platform 37, and springs 39 A shield,41, inclosing a reflector, 45, is used to throw the light upon the egg being tested. The shield is supported from the cone 6 by a metal rod, 43; or it may be supported by the lamp itself, or by any other suitable means.

IOO

In using this apparatus a person takesa scat in front ofthe apparatus,with one foot on the treadle 16. The eggs are placed on the ledge 5 in front of the holes 2l. As the table is rotated each egg is brought in front of the opening' 20 in the cone 6. At this point it is sub- `jected to the light from the reiieetor, and the person using the device,looking into the cone 6, can, by means ofthe mirror 19, at once determine whether the egg is good or not. The eggs can be placed on the support with the left hand and removed from the other side with the right, and the Work can therefore be very rapidly done. I place a number of han* dies, 57, on the edge of the table, and the table can be rotated by these, instead of by the treadle-andratehet mechanism.

In connection with this apparatus l propose to use a counting or registering device that Will register the number of eggs that have been tested.

I claim as my invention 1. The combination, with a table mounted on a standard and free to rotate thereon and carrying an eggsupport having a series of openings, of a conc mounted on said standard above the rotating table and arranged Within the egg-support, and having a mirror in its lower end and an opening in its side in a position to register with the holes of tlieeggsupport, all substantially as described.

2. The combination, with the table carrying the perforated eggsupport, of the cone arranged Within the egg-support, having a inirror in its lower end and having an openingin its side in a position to registerwith the openings of the egg-support, and the paWl-andratchet and treadle mechanism for rotating the table, substantially as described.

3. The combination, with the table carrying the perforated egg-support, of the conc arranged Within thc egg support, having a mirror in its lower end and having an openingin its side in a position to register With the openings ofthe eggsupport, and a lamp arranged to throw its light on the mirror, all substantially as described.

4. The combination, with the table mounted on the standard and free to rotate thereon and carrying the frusto-conical egg-support having a series of openings, and having a ledge below the openings7 of the cone arranged within the egg-support and having a mirror inits lower end and an opening in its side opposite the mirror and in a position to register with the openings in the egg support, all substan tially as described.

5. lThe table 3, mounted on the standard 2 and carrying the egg-support 4, having the ledge 5 and openings 21, the inner surface of the ledge and a portion of the egg-support being covered with flannel, in combination with the cone 6, secured to the upper end of the standard, and having the mirror 19 and opening 20, all substantially as described.

6. The combination, with the standard, table, egg-support, and cone, arranged as described, of the adjustable lamp-support, the lamp andthe shield having a reflector and having an opening in its side, substantially as described. Y

7. The combination, with the standard, tahlc, egg-support, and cone, arranged as described, of the rod 3l, coupling 33, screw 35, rod 36, platform 37, springs 39, lamp 40, and shield 4l, having reflector 45 and opening 47, all substantially as described.

In testimony whereof I allix my signature in presence of two Witnesses.

BENJAMIN l. GUHLEY.

Witnesses:

Ainsa C. PAUL, ELnoTUs A. Plni'r'r.

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