US1563657A - Bail construction for grips and the like - Google Patents

Description

J. P. RATIGAN BAIL CONSTRUCTION FOR GRIPS AND THE LIKE Original Filed June 21', 1924 Patented Dec. 1, 1925.

UNITED-STA JAMES P. RATIGAN, F WALNUT PARK, CALIFORNIA.

BA'IL cons'rnnorron ron- GRIPS AND THE LIKE.

. Original application filed June 21, 1924, SeriarNo. 721,607. Divided and this application filed April 20, 1 1925. sei-iainolzaetts.

To all who/1t it may conccmn Be it kmwnthat-I, JAMES P. 'Rirriean, a; citizen of the United States, residing. at lValnut Park, in the county of Los Angeles andState 017' California, have invented a new and useful Bail Constructionv for Grips and the like, of which the. following 1S a specification. y .Th1s invention relatesto bail constructionsofthe character employed, for example, on,

elevators, grips andclamps ofthe type used in the art relating to theqdrilling and pumping of oil Wells, andlthis applicationis a division of my former application for patent for grip, Serial No. 721,607, filed June 21,

One of the important objects of the invention is to provide for quick attaching and detaching of thebai'l. c

A further object is to provide a construction in which the bail members are loosely hooked into the body that is supported by said members.

A further object is to provide a bail construction that is essentially simple and inexpensive to manufacture.

The accompanying drawings illustrate the invention Fig. 1 is a plan view of a bail construction embodying the invention, the invention being imbodied in a grip of the character employed for holding a sucker rod, which is shown in cross section.

Fig. 2 is an elevation, mainly in section, on the line indicated by 2-2, Fig. 1.

Fig. 3 is a sectional elevation on the line indicated by 33 of Fig. 1.

Referring to the drawings, there is provided, in this instance, an elongate angular body 11 having in one side a recess 12, the inner wall of which is concave. The recess 12 will accommodate several sizes of sucker rods or polish rods, one being indicated in cross section at 0, within the recess 12. A vertical plane passing longitudin lly of the body 11 through the axis of the recess 12 coincides with the axes of openings 13 formed in the respective ends of the body 11 and opening, respectively, into cavities 1 1, 15, in said body.

Hook-shape links or bail members 16 extend through the openings 13, the tips of said links being accommodated in the cavities 14, 15, respectively. The hook-shape of the links 16 tends to prevent said hooks pullng out of the openings 13, and it maybe desirable in some. instances to further-insure against such vision adjacent to prevent withdrawal of the links 16 bybearing against the outer end walls of the cavother members that are to be clamped to the body 1s imposed thereon. Any: suitable clamping member 19 is thrust against the polish rod aby a screw .20 orany other suitable means, and it is understood that the particular construction of the body 11, clamping member 19 and means 20 for actuating the clamping member, as illustrated in the drawings, is merely illustrative of a clamping construction that may be support ed by the bail members 16.

he upper walls of the openings 13 constitute downwardly projecting shoulders 21, against which the upward curved tips 22 of the member 16 would tend to strike if the cotter pins 17 were omitted, because the tips of the bail members are above the level of said shoulders and, thus, it will be understood that even if the cotter pins were omitted, the member 16 would not become detached accidentally from the body 11 by movement of the member 16 straight away from the body 11. Even though the cotter pins 17 were omitted, it would be necessary, in order to detach either member 16, to swing the upper end of said member inwardly toward the axis of the body 11 in order to cause the tip 22 of the member 16 to lower sufiiciently so that it will pass by the shoulder 21 and through the opening 13. This makes it clear that, in reality, no strain comes upon the cotter pins 17, that said cotter pins may be omitted, if desired, and that their principal function is to prevent the members 16 from becoming accidentally detached from the body 11 w ien the grip is not in use.

It will beunderstood from the foregoing that, to use the invention, the body 11 will be suspended by the bail members 16 and pulling out by the prothe tips of the links of transversely extending cotter pins 17 which The openings 13 are ap-.

cables 18 from the usual hoisting tackle and that the body 11 will then be secured to the sucker rod or polish rod by operating the screw 20. The tackle will then be operated to raise or lower the grip in a manner well understood in the art relating to the pumping with the cavities, hook-shape links projecting through the openings, the tips of said links extending into the cavities, and suspension cables secured to the links and permitting of independent canting of the links in the operations of attaching and detaching said links.

2. A bail construction for grips and the like, comprising a body having cavities near its opposite ends and openings communicating with the cavities, there being shoulders projecting downwardly from the inner faces of the walls of the cavities, hook-shape bail members extending through the openings and into the cavities, the tips of the bails being above the level of the shoulders, and suspension cables secured to the links and permitting of independent cant'ing of the links in the operations of attaching and detaching said links.

3. A bail construction for grips and the like, comprising a body having cavities near its opposite ends and openings communicating with the cavities, there being shoulders projecting downwardly from the inner faces of the walls of the cavities, suspension members extending through the openings and into the cavities, said suspension members having laterally extending shoulders engaging the upper walls of the cavities above the level of the shoulders, and cables secured to the suspension members and permitting of independentcanting of said members in the operations of attaching and detaching said inembe 's.

Signed at Los Angeles, California, this 13th day of April, 1925.

JAMES P. RATIGAN.

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