US297567A - Lubricator - Google Patents

Description

(No Model.)

M. S GABBLL.

LUBRICATOR.

VIM/'TOR Unirse rarrls Farm-Jr f trice.

MILTON S. CABELL, OF QUIIICY, ILLINOIS.

LUBRECATOR.

SPECIFICATION forming part of Letters Patent No. 297,567, dated April 29, 1884.-.

(No model.)

To @ZZ whom it may concern,.-

Be it known that I, MILTON S. CABELL, of Quincy, in the county of Adams and State of Illinois, have invented certain new and useful Improvements in Lubricators;` and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specification, and to the igures and letters of reference marked thereon. y

My present invention relates to that class of oil-cups or lubricators wherein the lubricant is fed by gravity and delivered in drops 5 and it consists in certainimprovements as hereinafter described, and pointed out in the claims, the same being especially applicable to and constituting an improvement upon lubricators such as described in Patent No. 289,888, December l1, 1888. ,f

In the accompanying drawings, Figure l is side elevation, and Fig. 2 a sectional view, of a lubrcator containing an embodiment of my present invention, as will hereinafter appear. Fig. 3 shows the vent or valve.

Similar letters of reference indicate like parts.

` A is the oil cup or reservoir, B the hollow stem, provided with the tapered portion b, seat b, and vent-opening b2. C is the valvestem, whose tapered extremity co-operates with the seat b. These parts are arranged and combined for operation substantially in the manner described in my prior patent.

To the end of the hollow stem B, through which steam is admitted to vent the cup A, is attached a smaller tube or prolongation, D, which passes beyond the valve-seat c and projects into the fitting E in line with the sightopenings F. Vith the device as above constructed, the cup is vented through the stem B, and the oil permitted to trickle down the sides of the extension D, from whence it is delivered in the form of drops. The tting E, into and through which the oil is delivered, is T shape, and the oil-cup is screwed or otherwise attached to it, as shown in the drawings. The horizontal extensions or branches c e of the fitting are made tubular, and each Jthereof, of the hollow stem through which the is furnished with glass, e, secured in place by 5o a screwcap or otherwise. As thus constructed, when the oil-cup is applied the end D of the stem B is brought in line with the opening through the extensions e', and the feeding can be observed by looking through 5 5 the glasses.

It has been found in practice that unless some means are provided for maintaining or permitting a circulation of steam in the iitting, the proper feeding and delivery of the 6o oil will not be obtained; and to overcome this difliculty I have provided a vent-tube, G, for the tting, either made integral with the fitting E, as shown, or a separate piece of tubing inserted in or applied to the tting, and extending from at or near the bottom to a point near the top of the fitting. A valve, H, is applied to the fitting below the sight-openings, and it is provided with two passagesa large one, h, for the passage of the oil, and 7o a smaller opening, h, for the vent. By the use of this valve both passages in the fitting can be simultaneously opened or closed, to provide for shutting off the steam in case of accident or the removal of the cup.

If desired, a separate valve, I, may be applied to the vent-tube, as shown in Fig. 3, for closing or adjusting the vent, and a separate valve may in like manner be used for closing the oil-passage.

Having thus described my invention, what I claim as new is- 1. The combination, with the oil-cup having the valve-seat and opening at the bottom cup is vented, having the elongated tip or eX- tension projecting through the valve seat opening down into the chamber of the tting, and the-fitting having the glasses located in line with the tip of the elongated extension, whereby when the valve is raised slightly from its seat the oil will escape through the valve-seat opening, run down the elongated tip into the chamber of the iitting, and escape from said tip in the form of drops, which are visible through the glasses, substantially as described.

2. In combination with. the `oil-cup, projecting hollow spindle, horizontal sigl1t-tube, Vent-tube, the Valve for closing or regulating and vertical delivery-tube, of the vent-tube theypassage of steam through the vent-tube, opening into the delivery-tube at both top substantially as described. and bottom, substantially as described.

MILTON S. CABELL.

5 3. In a lubrcator such as described, and in combination with the feeding devices, the tting containing the sight-openings, and the Witnesses: Y

EDWARD MEAD, EDUARD BOUMAN.

Images