US102973A - Improved oil-cup - Google Patents

Description

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OIL 0UP.

N5. 102,973. Patented May 10, 1870.

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Letters Patent No. 102,973, dated May 10, 1870.,

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To all whom it may concern:

Be it known that I, JsMEsjRoss, of North Ualnbridge, in the county of Middlesex and State of Massachnsetts, have invented a new and useful Improvement 1n O1l-Oups; and I do hereby declare the following to be a full, clear, and exact description of the same,

reference being bad to the accompanying drawing, and in which- Figure 1 represents a vertical section of an oil-cup, constructed inaceordance with my improvement, and Figure 2 is a partly sectional plan of the same, corresponding to fig. -1.

Similar letters of reference indicate corresponding part-s in-botb figures. v

This invention relates more especially to oil-cups that are-used on steam-engines, where -steam can be admit-tedinto the cups, as for steam-cylinders, 8m. The object of my improvement is to obtain a steady and easily graduated feed of the lubricating material,

.eitherby means of condensation of steam admittedinto the cup, or by gravitation; and to this end It consists in the provision and arrangement of a double valve, with its accompanying seats and passages, \vithin and in the bottom of anoil-cup, whereby the above object is obtained.

It further consists in a novel construction of the cover, whereby the lubricating material in a solid form, as tallow or suet, can be introduced into the cup and the latter be tightly closed.

To enable others to construct oil-cups in accordance with my invention, I will proceed to describe the same with reference to the drawing. f

A is an oil-cup, at the bot-tom of which a horizoutal cylindrical compartment, 13, is formed.

This compartmentcommunicates with the inside of the cup by means of a tube, 0, which passes upward from its top, in the middle of said cup, above its contents. 1 One end of this compartment has an outlet, 0', while the other end, which is open to the outside of the cup, is provided with a stufiing box, I), through which a piston-valve, D, is operated.

This valve is 'madeto work against the seats 0 (I, being at both. ends formed to fit those seats, and having its stem e' provided with a male screw-thread, to 1tlurnbiu a female screw-thread formed in the stuiiing- E is a knob, formed on-the outer end of the.valvestem e, by means of which the valve D can be easily worked- F is a. passage, which is formed in the shank of the oil-cup, and which allows the lubricating material passing through, the compartment B and outlet rt to flow to the place to be lubricated.

G is the top valve or cover of the oil-cup, which is The Schedule referred tojnthele Letters intent and making part of the same provided with a white-metal seat, j; and on its top, in the center, with 'the lug g.

H is a spanner or lever, hingedto ,the top of the oilcnp at h, which passes centrally across the valve G, allowing the lug g of the latter to fit loosely into a recess, 1', formed in the under side of the spanner,

where it is held by a pin passing horizontally through the sides of the spanner and the log y.

The end of the spanner H opposite the hinge h is recessed on one side, so that a screw-rod, k, which is pivoted at l to the side of the oil-cup, may be swung up into said recess for the purpose of holding the .valve G to its seat by means of the screw-nut an operating on the recessed end of the spanner H.

N ow, when the feed is to be obtained by means of gravitation from the bottom of the oil-cup, the valve D is turned so as to be off both the seats 0 and d, as shown in fig. 1, whereby steam is admitted into the top of the oil-cup through the passage F, outlet a, and tube 0, allowing the lubricating material to pass through the openings a ainto the compartment b, and from thence through the outlet a, along the pas sag e I to the place to be lubricated. The discharge can be graduated by giving more or less opening between the-valve D and its seat (I.

When the feed is to beobtained by means of condensation, the valve D is turned to be closed against the seat (I, keeping open a free passage to the steam, which is condensed in the top of the oil-cup, whereby the lubricatingmaterial is drawn up to pass through the tube 0 until it is all emptied, when the waterof condensation is passed off through the openings 41 a by placing the valve D again in position, as shown in the drawing. The amount of feed can be easily graduated by different lengths of the tube 0. The shorter the tube the more condenshig-surfirce will be afi'orded in the top of the oil-cup, which will increase the amount of feed.

The double valve D is preferably made of steel and self-acting, while the topvaljve G is provided with a whiteqnetal seat, so that an oil-cup constructed as herein described needs no pet-cocks and its valves no grinding, making it a simple and efficient steam-lubricator. \Vhat is here claimed, and desii Letters Patent isj 1. The combination of the double valve D, seats 0 d, passages a a a, tube G, and passage 1*, substantially as and for the purpose herein described.

2. The cover or top valve G, hinged spanner H, pivoted screw-rod k,- and nut in, substantially as and for the purpose herein set forth.

Witnesses: JAMES ROSS.

'Cass. S. Knownss,

E. J. Lormzor.

'ed to be secured by

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