US1306497A - Slip-socket - Google Patents

Description

A. M. MONROE.

SLIP SOCKET.

APPLICATION HLED @91.21.1918.

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Patented June 10, 1919.

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ALBERT MERTON MONROE, OF TAIET, CALIFORNIA.

SLIP-SOCKET.

Specification of Letters Patent.

Patented June 10, 1919.

Application filed lOctober 21, 1918. Serial N0. 259,163.

To all-whom t may concern.'

Be it known that I, ALBERT MERToN MoN- RoE, a citizen of the United States, and a residentof Taft, in the county of Kern and State of California, have invented certain new and useful Improvements in Slip-Sockets, of which the following is a specification.

My invention is an improvement in slip sockets, and has for its object to provide a device of the character specified especially adapted for use with :shing tools, for in surin/g a rm grip on the tool, and which is automatically engaged with the tool.

In the drawings:

Figure 1 is alongitudinal section through the improved socket;

Fig. 2 is a section on the line 2 2 of Fig. l, looking in the direction of the ar.- rows adjacent to the line;

Fig. 3 is' a side view of the socket detached.

The present embodiment of the invention is shown descending through a well casing 1 about to engage the tool 2 to be recovered. The improved fishing tool, of which the slip socket is a part, comprises a sleeve or tubular casing 3, having at its lower end an inwardly extending annular shoulder 4, and the stem bore flares in both directions from the shoulder, a second shoulder 5 being formed at the upper end of the upwardly aring portion, the said shoulder 5 facing downwardly. It will be noticed that the flared portion above the shoulder 4 is of considerable length. The upper end of the lbore /of the sleeve 3 is internally threaded and is engaged by a second sleeve G, which has a reduced nipple 7 engaging within the threaded portion, and an annular shoulder 8 is formed at the inner end of the nipple, the said shoulder facing upwardly.

- A connector 9 is threaded into the upper end of the sleeve 6 and this connector has at its upper end a threaded stem 10 which may be engaged with a socket in a' suitable handling means, indicated at l1, for the tool. This connector 9 has openings 12A for the passage of water from above the tool downwardly through the bore of the tool.

The slip socket proper is a sleeve annularly enlargedv at one end. as indicated at 13, and having a tapering head 11 atthe other which is shaped to fit loosely within that portion of the bore of the sleeve 3 between the shoulders 4 and 5, the said head having a shoulder 15 at its top, adapted to abut the shoulder 5 under circumstances to be presently set forth. This sleeve is split longitudinally from the collar 13 as shown, to form resilient lingers 16 connecting the sections of the head tothe collar, and the splits at the head are of greatest width at the end of the head remote from the collar. Thus the sections of the head may be moved toward each other, that is, the head may be compressed. The inner surfaces of the head sections are toothed or corrugated as shown in Fig. A1, the teeth or corrugations facing upward.

A tubular casing 17 is mounted to slide in the nipple 7, the said casing having an annular shoulder 18 at its upper end for engaging the shoulder 8 to limit the downward movement of the casing, and a coil spring 19 is arranged between the casing and the connector- 9, the spring acting normally to force the casing downwardly and to force the socket 13-14-16 downward.

In use, the device is lowered into the well casing as shown in Fig. 1. The upper broken end of the sucker rod will be guided into the bore of the head 14, by the flaring surfaces, it being seen that the lower end of the head is also tapering or flaring to cor- 'respond with the flare of the sleeve. The tool Awill .pass upwardly through the head, the head and socket moving upwardly to permit this movement. When the iishing tool is now draw upward the tool 2 will be held, since the head 14 will be moved down- `ward in the sleeve 3, and the sections of the head will lbe tightly compressed upon the tool. The greater the, pull the more tightly will the head sections be I claim: y A device of the character specied comprising a tubular Icasing or socket, a sleeve mounted to move in the socket, said sleeve being split longitudinally from near its inner end to the outer end to form a. series of Compressed.

tongues, ends, the casing or socket am ing at the end remote 5 to Jforce the gripping jaws sleeve is moved downward, the first named sleeve and having gripping jaws at their free l the sleeve havrorn the connection of the tongues Cooperating inclined surfaces inward when the a sleeve above a spring above the last named sleeve and norniall \v pressing said sleeve downwardly, the said sleeve having means for limiting its downward 10 movement to a point where the first named sleeve is in normal position.

ALBERT MERTON MONROE.

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