US666025A - Lubricator. - Google Patents

Description

Patented lan. I5, |90I.

C. B. RICHARDS.

LUBRICATOR. mppumin'med oct. 2o, 1899.)

(No Model.) y

CHARLES B. RICHARDS, OF CLEVELAND, OHIO, ASSIGNOR TO 'll-IE CLEVE- LAND PNEUMATIC TOOL COMPANY, OF SAME PLACE.

LUBRICATOR.

SPEGFICATION forming part of Letters Patent No. 666,025, dated January 15, 1901.

Application tiled October Z0, 1899. Serial 110.734: 175. (No model.)

To all whom it may concern: of the stem beneath the disk and has its lower Beit known that I, CHARLES B. RICHARDS, portion fitted in the spring-seat. Said spring a citizen of the United States, and a resident serves to seat the disk and its washer against of Cleveland, county of Cuyahoga, and State the lower fiared end of the feed-opening, as 55 5 of Ohio, have invented certain new and useillustrated in Fig. I. l

ful Improvements in Lubricators, of which When the oil-cup is in use, the spring, as the following is a specification, the principle well as the Huid-pressure within the cup from of the invention being herein explained and its communication with the interior of the the best mode in which I have contemplated device containing Huid under pressure, will 6o Io applying that principle, so as to distinguish force the valve-disk and its washer against it from other inventions. the feed-opening in the cover, closing the The annexed drawings and the following same and preventing escape from the cup of description set forth in detail one mechanical the fluid under pressure through the cup. form embodying the invention, such detail Thelubricant may thus pass through the dis- 65 I5 construction being but one of various mecharge-channel to its destination. When the chanical forms in which the principle of the cup is empty, it may be filled by depressing in vention may be used. the valve-stem by the end of the oil-can spout,

In said annexed drawings, Figure I repreas shown in Fig. II, when the lower valvesen-ts an axial section of myiinproved oil-cup, opening will be closed, preventing the pres- 7o zo showing it in position for lubricating and sure-iiuid from escaping, while the oil may with its feed or filling opening closed; and iiow from the can into the cup through the Fig. II, a similar section of the oil-cup, showflared opening, iilling the cup. When the ing the filling-opening opened bythe spout of pressure of the can-spout is removed, the an oil-can and the discharge-opening closed. spring and the fluid-pressure will again raise 75 25 The oil-cup forming the subject-matter of the valve, closing the feed-opening. The flarthis application is principally intended for ing lower portion of said latter opening will use in lubricating the interiors of machine guide the upper part of the valve-stemto the structures operating upon or operated by narrow part of the opening, so that the valve fluids under pressure-as, for example, pneuwill regain its seat, even if it has been forced 8o 3o matic hammers or similar tools. to one side by the pressure of the can-spout. The cup l has a screw-threaded neck 2, by As the escape of the pressure-fluid is premeans of which it may be secured in the wall vented through the oil-cup as Well when the of the device to be lubricated. An annular cup is being filled as when it is feeding lubrispring-seat 3 is formed around the'upper end cant into the device to which it is applied, 85 35 of the axial discharge-borel in the neck, and this cup is adapted for use in lubricating the a valve-seat 5 is formed in said spring-seat. interiors of pneumatic tools, such as drills The top of the cup is closed by a screw-cover and hammers, aswell as steam-cylinders and 6, screwed into the top of the cup. Said cover valve-chests, rock-drills, or any other mahas a central opening 7 formed downwardly chinery operating upon or operated by a fluid 9o 4o daring. A valve structure 8 is formed with under compression.

a valve-disk 9, capable of covering the lower Other modes of applying the principle of 'fiared end of the feed-opening in the cover my invention may be employed for the mode and having a yielding packing-washer 10 herein explained. Change may therefore be placed upon it, and a stem 11 passes upward made as regards the mechanism thus dis- 95 4.5 and downward from said disk, so as to fit in closed, provided the principles of constructhe upper portion of the feed-opening when tion set forth, respectively, in the following the valve is raised, asillustrated in Fig. I, and claim are employed. to seat its valve portion I2 upon the valvei I therefore particularly point out and disseat in the discharge-bore when the valve is tinctly claim as my inventionxoo 5o depressed, as illustrated in Fig. II. A coiled In a lubricator, the combination of a cup spring 13 is placed around the lower portion provided with an outlet-neck having an outlet-channel and a. valve-seat at the inner end of said channel and a spring-seat around said valve-seat, a cover for said cup formed with an inwardly-flaring feed-opening opposed to the Valve-seat, a. valve structure consisting o'fau valve-disk having a packing-Washer upon its face to t against the lowerend of the feedopening and a stem passing through said disk and formed with a valve at one end adapted to t the outlet Valve-seat and having its other end guided by the Haring sides of the feed-opening and to fit into the uppernarrow

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