tesa li’atenled llera i571, lilith U 1l TE. I„S T ` FFI C finemente oeAnNLo-r Onestat-nn Mnsoeorresnrïrs~ ‘Application `tiled 'February 14, i927. '-'nvonti in reh'd‘rs to a jiafclt“particular A‘ned ifor the purpose ot reineving` ds, piper` or t like which they u „sie lodggjed or ' cned in the wel] _ie/“ts filigghtlv into the central einanintifol the A cooperating chori; _n'lein‘ber 15 is i ¿y moimted inthe `opposite side ol" the , , A „ and ‘has similar cori, ations on `its 60 .a isod‘lhat it ner'fessary to exert n eonsiderable 1Vdiner tane. Mtl-shaped ‘yoke inei'nher ltl‘has ¿orco „either with or without a twi l ing,4 ino `hoth dem: pass-finir lthrongli. thehead 8 anden ïtion for “the `propose‘et »removing the saine. traded ( ; their enter ends `lov nuts 1_7. An «.5 i. rl‘heäinv tion coversva siinple and `ediei'ent adju-stintr screw lll screw threaded .through construe n which may :be need dzo remove the ì_volte and bears‘at its inner end ‘against In this rn‘anner ‘the 1W either >a rod Aor ’al hollow ‘pipe hv either a the `clinch ‘ineniher fdi‘reet ’litti V<neovenient for-a lifting sinove clni'cle inenrher ‘may 'be p . ntion‘e‘d as desired (i5 Anient 'conihined with ‘a twisting; finovement, at first1byadjnstinent of `the“ yoke 16'l through fDetailedßo‘bjects 'of theiinvention will .beep :the'serew 17 land iinallysbjv nieansotït'heiad _ 1 îe'ent troni the `tollowi‘n'gidetailed descrip j listing; screw 18. The head 8 is‘p‘rovid‘ed aït‘its s'i‘tleswvith ears lll which have opei'rings therethrough Figure 1 .is `Ia‘persp‘eetiae ‘viewot' fthe de ‘to receive asi-od ‘EEO `'hjv means ‘off whichthe ta ‘tion Tand the appended claims. In the drawings: _ _ vice in operative position tor removing a head may 'be turned. di loose ’collarïíll over llios the head 8 and is heldin position ‘by a drill. ‘ i Í‘Fi’pnire Q, is a itop iplan view ‘ot the .saine head 75 `on the ripper `end ‘of ‘the screw 7 whieh may he conveniently termed by press ` Figure ll is ‘a vertieal `sectional `view ing outi'rardly the metal to engage la ‘slight flange ion the `lower part ‘ofthe collar: Ball 'through the jack. `inay be interposed `between ‘the The Adevice ieoniprises a fbase “member `l bearings `-which preferably ‘of ätrnsto-eonie‘al torni collar 2l :and the head in. order ‘to permit with t‘he‘drill iin section. 80 and is provided at one side with a handle@ tree relative movement `’between these two lill ` ` `and at the “opposite “side `with `hole 3 parts. T - it is `desiretl to `nso the ja'eh to “remove through which may he Lpaîssed la( rod 4_- by ‘ll il "or similar lool, `the jack is passed means of which the base may be held against tanning inoveinent it necessary. The bese ove. ne upper ond olf the drill aintil the is hollow and at its upper end has an in hase rests upon the fe'ronnd or a suitable ternal cylindrical portion which is serew support as shown in Figure l. The movable threaded as indicated at 5. lWith these screw ehncl'; lli is then 'torced into engagement threads engage erternal screw threads 6 on with the drill so that the latter is clamped 90 i a hollow screw member 7 which is provided between the two chucks. The rod 20 is in with a head 8 ot larger diameter. The lower end of the screw 7 is provided with an eX ternal flange 9 torlned b_v a washer which is removably fastened tothe screw 7 in any de sired rnanner. rl`his is designed to Contact with shoulders l() on the inside ot the base and limit the upward movement of the screw. Located between the upper end of the base l and the head 8 ot the screw 7 is a bush «if» ine,r or washer l1 provided with a plurality sorted into one oit the hollow ears 'i9 and the head 8 is turned thereby. This turning movement, of Course, imparts a turning inovenient to the drill which is clamped to the head and at the saine time the engage ment oit the screw thread t5 of the screw 7 with the screw threads 5 ot the hase will cause the screw 7 and drill to nieve upward lv It found neeessargY the hase inay be held in position hy means ot the rod ¿l and han 100 of lugs 12 which lit into corresponding open dle 2. It it is desired to give a direct pull with ings in the. top of the hase l and prevent _ro tary movement ot the bushing. The inside out any turning movement, the clinch l5 is Fill ol’ this bushing is screw threaded to engi/'aire loosened so that the ohnelis do not engage the screw thread 6. The screw threads in the drill nienihen el wrench B is clamped to the drill stein A _inst above the collar 2l the base may be omitted. A ehnclt ineinher 13 having eorrugations and. held to prevent any rotation of the on its inner tace inonnted in the head 8 and drill no The head is then turned by means held in position hy a rod 14: passing; through ot’ the rod QU as ln'eviouslv, and this turning' the head and .said chuck ineniher. The cor» movement 'will impart a longitudinal nieve migrated portion all the ol „ h' ineniher pra» ”o; nt. to the seres-f 'l' and the head ti het will '105 2 10 1,654,011 not impart any turning movement to the 3. A jack comprising a hollow base inein drill A. It may be noted that the device ber, a hollow screw member screw~thrcadcd may also be used as a lifting jack by placing _in said base and having a head, a chuck it so that the object to be lifted rests upon member rigidly held in said head` a cooper the collar 21 and turning the head 8 in the ating chuck member adjustably mounted in usual manner. said head, means for adjusting the latter It will be evident that the invention pro chuck member to clamp on article passingr vides a simple and efficient mechanism adapt through the hollow head between the chucks, ed to clamp` any rod, drill or hollow pipe and means for turning- said head to both ro without the necessity of any special pro tate said article and move it longitudinally. -10 45 visions or unusual construction of the drill 4. A jack comprising a hollow base mem~ Y vor pipe. It lis also apparent 'that merely a ber, a hollow screw member screw-threaded longitudinal movement may be imparted to in said base and having a head, relatively the drill >orvpipe or a combined longitudinal adjustable chuck jaws carried by said head and twisting movement may be obtained by in position to engage an article passing a simple 'adjustment of the mechanism. through the hollow screw member, a collar vThe ¿precise formand 4proportions of the va rotatably mounted on said head and means rious parts maybe widely varied and de for turning said head. tails of construction may be changed with 5. A jack comprising a hollow base mem~ Voutinany way departing fromv the spirit of ber, a hollow screw member screw-threaded i the invention, which is to be regarded as in said base and having a head, relatively limitedßonlyby the scope of the appended adjustable chuck jaws carried by said head claims. . '- . claim as my invention: 55 60 within the same and in position to engage an article passing through the hollow screw member, screw means for adjusting one of ' . g1. A jack- comprising a hollow vbase mem ber, >a' hollow>> screw member- screw-threaded said chuck members, and means for turning in said'base» and having a head, and relative~ the head. `ly adjustableV chuck jaws carried by said 6. A jack comprising a hollow base 1nein~ _ head within the same _and in position to en~ ber, a hollow internally screw-threaded , gage an article screw member. passing through the hollow bushing held against rotation on said base, . ~ a hollow screw member screw threaded into 70 -2." A jack comprising a hollow base mem said bushing and having a head, relatively ber,- a hollow screw member screw-threaded adjustable chuck jaws carried by said head in said basev and having a head, a chuck within the same, and means for turning said 7V" ymember rigidly held in said head, a cooper head. ating chuck member adjustably mounted in In testimony whereof, I have hereunto said head, and means for adjusting the latter subscribed my name. Chuck member to clamp an v‘article passing through the hollow head between the chucks. GABRIELLO OSANNI. 75
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