US1638678A - Torpedo hook - Google Patents

Description

0. BOND TORPEDO HOOK Aug. 9, 1927.

Filed Jan. 23. 1926 a 7 .5 .w 7 4,, w .3

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WITNESSES 11. (1. 42L 6% INVENTOR Oscar Bond ATTORNEYS Patented Aug. 9, 1 927.

OSCAR" Bonn, on SAPULPA, OKLAHOMA;

' f 'ronr'nno 3001:.

Application area January 23, 1926. Seria1 No.'83 ,378.

' ;[his invention relates to a torpedo hook especially designed for use in lowering torpedoesor shells filled. with-nitroglycerin or other explosive lnto Oll or gas wells in carrying out what is' known as the shooting of said well's. V

The object of provide a torpedo hook which will prevent premature explosions and which. insures a discharge of the shell or torpedo from the hook and the explosion of the same at the proper point in the well. i o. A-further object is toprovide a torpedo hook wherein the torpedo is firmly andsecurely held and locked to the hook during;

the entire time that the torpedo is being '--lowered into the well but which also permits the release of the torpedo under the controlof the operatorabove, the ground when the torpedo hasreached the proper point in the'well. v r r A further obj ect is to provide a device of this character andhaving these safety features and'which 15 also of slmple and I all.

rable construction, reliable and efficient in operatiom and easy andcomparatively inexpensive to manufacture. i

Other-objects and advantages: reside in certain novel features of the construction;

7 ing at the oppositeside of the that Viewed in Figure 1', and 1 Figure 4 is (i-fragmentary v ew, partly arrangement and combination of parts which'will be hereinafter more fully de-' V scribed and particularly pointed out in the appended claims, reference being had to the accompanying drawlngs forming a part of this specification, and lnwh ch Figure l'is-a view inside elevation show ing a torpedo 'hook constri'ioted in accord v I p V gagement of the hookandtorpedo untllthe ance with the present invention, ,-Figur2 is a'view thereof in front elevation, r

Figure 3 is view inside elevation lookhook'from in section and partly in'elevation showing the internal constructionof the hook.

- 4 to facilitate the connection of alowering line or the like to the hanger frame.

Referring-to'the'drawings it w ll be seen that the torpedo'hook embodying the 'pres--' ent invention includes a hangerframe, desii nated 'enerall at 1 and made u of'a body portion 2 and spaced sidebars The body'portion 2 is provided with an opening the present invention is to,

hook body 5'.

ably fitted in between the flattened ends 60f the side bars 3 of the hanger frame; The upper portion of the body15 is formed with a. lengthwise slot -7 through )1 y 60 side bars extends, wherebythe hanger frame y y and the hookbody are interfitted for limited sliding'movement.

which a pin 18 secured to theends o of the The hook body5 is pulled upwardly rel a tlve to the hanger frame by means of a re tractile co l spring lO having one end "con nected, as at'12,

The upward 'nected, as nat- 11,to 'thebody portion of the hanger frame and having its'othen end con- A tothe upper endof thea w' -70- movement of; the hook bodyw relative to the hanger frame islimited' by means .of an adjustable abutment-4 carried .on the hook body and engageable with the hanger frame, the adjustable abutment preferably consisting ofa screw 15 engageable with the hang framefandladjustably v v i connected with a po-strlb fixed on the hook body .5. f l

For the purpose of providing torpedo supporting means the hook; body 5 is'en larged at itslower end and is formedfwith an inclined slot 18, the slot, 18 inclining from apoint intermediatethe opposite sides v of the; hook body upwardly and laterally through one side tl1ereof.; 'In:this way the slot 18 provides'a bill '19'and' to itsin clination also provides for the automatic disengagement of; the hook from the "tonj pedo upon relative downward "movement;

of the hook relative to the torpedo,

@Means is provided for preventing disen- 1 torpedo-hes reached the point 'in the "well where it is desirable to explode the same and this meanspreferablyincludes a lock n V inn bar 20 slidablyinounted'in a guideways 21 111 the hook body, andfadapted tobepror Release mechamsmas, provided, fo'r gthe ,1;- I 105 locking bar20 and comprises a shaftg22 rotatably mounted in bearings 1..'providedl therefor in'the hook body 5 and having a! j pinion 23 formed thereon and meshing with I arac'k 24 formed on the bar 18, '(seeTFig. One end of 'the' shaft 22 proje ts. h

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