US813591A - Oil-cup. - Google Patents

Description

PATENTED FEB. 27, 1906.

G. O. SGHOENBORN.

OIL CUP. APPLICATION FILED JUNE 23, 1904.

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GUSTAV C. SCHOENBOR-N, OF HARTFORD, CONNECTICUT, ASSIGNOR- TO THE WINKLEY COMPANY, OF HARTFORD, CONNECTICUT, A CORPO- RAT ION OF CONNECTICUT.

OIL-CUP.

Specification of Letters Patent.

Patented Feb. 27, 1906.

To all whom it may concern:

Be it known that I, GUSTAV C. SCHOEN- BORN, a citizen of the United States, and a resident of Hartford, in the county of Hartford and State of Connecticut, have invented .certain new and useful Improvements in Oil- Cups, of which the following is a full, clear, and exact specification.

This invention relates to improved devices for supplying oil or other lubricant to bearings or journals of machinery of various kinds, the object being to provide a simple and compact reservoir oil-cup so constructed that it may be readily opened for the introduction of oil and which when closed will exclude dust, grit, and other foreign substances liable to accumulate on and around the lubricated portions of machinery.

Figure 1 of the drawings is a plan view of this improved cup. Fig. 2 is a side view in section taken through the longitudinal center of the cup. Fig. 3 is a bottom view of the cup. Fig. 4 is a side view of the cap. Figs. 5 and 6 are a plan and a side view, respectively, of a modification of the form of cup shown in the other figures, partof Fig. 6 being shown in section through the longitudinal center.

The preferred form of this oil-cup shown in the drawings is provided with a base 1 1, having a threaded stem 12 to enable the cup to be secured in place. The base 11 supports a cylindrical body 17, which may be of glass, if desired, and is held in place by the flange 14. The top of the body 17 fits within the flange 24 of the cover 20, which is provided with a stem 21, extending through the center of the cylinder and threaded into the hole 13 in the base 11. The body 17, with the base 11 and the cover 20, forms a reservoir 18 to receive the lubricant, washers or gaskets 33 and 34 being provided for the top and bottom edges of the body 17 to make the joints air-tight.

The wick-duct 22, drilled through the stem 21 for a part of its length, contains a feedingwick 49, which passes through the hole 23 into the top portlon of the reservoir 18. The cover 20 has an extension or head 25 of reduced diameter at its upper end, which is provided with a hole 28, leading from the top of the head 25 to the interior of the reservoir 18. The cap 36 fits over the head 25 and is provided with a hole 37, which in one position of the cap is in coincidence with the top of the hole 28, thereby permitting the introduction of oil into the reservoir 18. The hole 28 is preferably at an angle to the axis of the head in order to conveniently receive an oil-can spout for the filling operation. The cap 36 is retained in place by means of a spring 45, which fits in an annular groove 30, provided for it in the head 25, the groove 30 being of a depth about equal to the diameter of the wire of which the spring is formed. One end 46 of the spring is bent inwardly at substantially right angles and fits into a hole 47 in the head 25. A groove 40 is provided in the inside cylindrical surface of the cap in such a position as to be opposite the groove 30 in the head when the cap is in place. The elasticity of the spring 45 causes it to spring outwardly and enter the groove 40, thus preventing the cap from being raised, while at.

the same time permitting the rotation of the cap for the purpose of bringing the holes 28 and 37 in and out of coincidence. The outward pressure of the spring against the bottom of the groove 40 offers a suitable frictional resistance to the turning of the cap, and thus tends to hold the cap in the position in which the user leaves it.

For ease of assembling the cap 36 is provided with a short slot 41, Fig. 4, which is located a little below the plane of the groove 40. In assembling the cap 36 is placed over the head 25,with the slot 41 opposite the hole 47. The bent end 46 of the spring is then put into the hole 47 through the slot 41, and the spring is carried into place in the slot 30 by turning the cap 36. After the spring is in place the cap is pushed down to enable the spring to spread into the groove 40.

In the modified form shown in Fig. 6 the cap is held in place by a spring similar to that shown in United States Patent No. 642,860, of February 6, 1900. The spring 95 is of the ordinary spiral form and has one of its ends bent inwardly, while the other is bent outwardly. The inwardly bent end fits into a hole 96, provided in the head 75, while the other end fits into a hole or slot 97, provided in the cap 86. The inlet 87 in the top of the cap 86 is normally held out of coincidence with the hole 78 by the action of the spring 95. The cap is turned so as to bring the two holes into coincidence for filling the cup, after which the action of the spring will close the hole as soon as the cap is released.

The modified form of cup shown invFigs. 5 and 6 also differs from the construction shown in Figs. 1 and 2 in the respect that the tubular body 64, which forms the wall or shell of the reservoir 68, is made inte ral with the base 61 and fits in the flange 74 OI the top 70. The latter is provided with a stem 71, having a wick-duct 72, containing a wick 99, similar to the arrangement shown in Figs. 1 and 2.

Obviously in either form of cup the body may be either separable or integral with the base, and either form may employ the frictionally-held cap of Fig. 2 or the spring closed cap of Fig. 6.

I claim as my invention' 1. In an oil-cup, the combination of an oilreceiving body, a cover, comprising an annular head provided with a hole for filling the cup, and attached to the body by a reduced interior stem integral with the head, and a rotatable cap mounted on the cover to open and close the said hole.

2. In an oil-cup, the combination of an oilreceiving body, a cover, comprising an annular head provided with a hole for filling the cup, and attached to the body by a reduced interior stem integral with the head, a rotatable cap mounted on the cover to open and close the said hole, and a spring seated between the head and cover for retaining them in relative position.

3. A self-closing oil-cup, comprising an oilreceiving body portion, a cover comprising an annular head attached to the body by a reduced interior stem and provided with a 'hole for filling the cup, a rotatable cap mounted on the cover to open and close the hole, and a spring intermediate the cover and cap for yieldingly holding the cap in its closing position.

4. In an oil-cup the combination of an oilreceiving body, a cover comprising an annular head provided with an angularly-disposed filling-hole, and attached to the body by a reduced interior stem integral with the head, and a rotatable cap provided with a hole registering with that of the head in one position, and mounted upon the said head to open and close the hole in said head.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing Witnesses, this 22d day of June, 1904.

GUSTAV o. soHoENBoRN.

Witnesses:

WM. H. HONISS, JAs. W. GREEN.

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