US874275A - Hydraulic winch. - Google Patents
Hydraulic winch. Download PDFInfo
- Publication number
- US874275A US874275A US35352307A US1907353523A US874275A US 874275 A US874275 A US 874275A US 35352307 A US35352307 A US 35352307A US 1907353523 A US1907353523 A US 1907353523A US 874275 A US874275 A US 874275A
- Authority
- US
- United States
- Prior art keywords
- chain
- barrel
- hook
- winch
- wrench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 description 7
- 241001527902 Aratus Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241001669696 Butis Species 0.000 description 1
- 101100286668 Mus musculus Irak1bp1 gene Proteins 0.000 description 1
- 101150004141 Vcan gene Proteins 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
Definitions
- he o ject of the invention is to produce a winch of this' class whichis simple in construction and which is especiall adapted for dzilling .of oil Wells or Artesian wells, and for unscrewirll or screwing together the sections of the Y or tool joints.
- a further obj ect 'of the invention is to pro-v l J l vide,a"winch es eciall adapted for moving v.20 Y I heavy weights om p ace to place..
- Fig. 5 is a vertical section o n the on 'theline 6 6 of Fi 5;
- Fig. 7 is aper- 'spectiveillustratingy t ev construction and manner of using an anchor hook which con- .stitutes a feature of the invention; this hook isused for attachi an1 end of the chain to another portion of t e chain;
- Fig. 8 is a vertical ysectionA taken through the Hoor and spective view of portions,of two sections -of a drill or. gtheret. l Y
- brackets 3 which constitute bearings or the trunnion-s 4 of a cyljnder'or barrel 5 mounted'V 'l therebetween' to rotate -upon a horizontal axis.
- brackets are attached to the base '1 by suitable bolts 2.
- the rear 'extremity. of this barrel is closed by a bonnet 6 'which screws upon the same as'indicated.
- ton head 10 is mounted to slide, and this plunger orl istonrbd 9 head isrigidly attached to the iston rod 9 ⁇ by means of a follower 11 which olds inposition a cup leather ⁇ or packing leather 12 fy common construction.
- op.l I posite ends of the cylinder are connected by a by-pass pipe-13, and 'at 4a suitable oint in this pipe a cock 14 is provided, w ch enables communication between the two ends of/the c linder to be cut off..
- This cock is preferab y attached near the forward end of the c linder or barrel.
- a feed pipe 15 is provided, as indicated in'Fig. 6,.Wh1ch constitutes I a branch from the pipe 13, and this.
- pipe isv v formed with a lateral extension lvrwhichg..l leads to the casing of the 'barrel asl shown.
- a/ch'eck Vvalve v18 is provided, whichopens in a direction to permit a iiowrom the-pipe. v15 to the pump c ⁇ linder, but not inthe' opposite direction., pposit'e this valve a removable-plug 19 is prov1ded,.w hich enablesrthe valve to be removed.
- a valve chamberZO which 'is with a bushing 21, the upper poru 'f tioxi of which is formed into a seat fora check.
- valve chamber communicates, through a i-thifn the arrel, ⁇ apisport 25,'vvith the interior of the ump cylinder Vat the lower end thereof. T e lower end of the valve chamber isclos'ed by asuitable removable plug 26. lin the ump cylinder @5.
- a reciprocating plunger 27 v which is adapted to be operatedv by means of a lever 28 connected thereto by a suitableV in 29, the said lever being .attached at its y Forward extremity to links 30, the lower ends of which are pivotally yattached to lugs 31 which project up from the casing or barrel, 'as indicated. 1
- valvev chest -20 above t e valve 22 is communication with an inlet duct 32 which duct is formed in the casing or barrel as shown, and leads to. the forward end of the barrel, Aas indicated' v most clearly in Fi 2.
- the cock 1 4 may be opened or.closed y means of a hand lever 20 313, and accessmay be had to the interior of -P'thejbonnet 'throufgh a removable plug34.
- the forward end of the vpiston rod 9 which extends through the stuffing-box 8, is formed into a clevis 35 having a transverse bolt 36 to v25 whichthewinch chain 37 may be'attachedfas indicated.
- the base 1 consists substantiallyof a plate which lies fiat upon the Hoor. At its rear edge this plate is offset uplwardly so as ⁇ to form ...a 'pocket -38 at Whic there is attached ernia-f" nently a Winch anchor chain 39.7l T e rear end of this Vchain is attached to theiloor by a suitable anchorbolt 40, as indicated in Fig. 1.
- an upper wrench 42 applied, as'indicate m Flg. 1, and 'a similar Wrench 43 isapplied to the ,lower section.
- the chain 37 is ro- -vided at its extremity with a hook'44 ⁇ w- 'ch 4 0 is attached to the wrench 42. indicated. To the end of the wrenchr43 an vanchor-chain i 45 is attached by forming a' loo'p 46'about the.
- This body49' isf-formed iat its extremity op osite the eye BO- withadownwardly exten shank 51 and theextrernty' LhFrom the lnder side ofthe body 49.
- the ook 47 is formed with an elongated body formed from'ia-.at b ar, and the rear en'd 'of this bodyis bent to form a rudimentary e ⁇ e 57.
- This eyev is attached to the end of t e chain formin the., loop 46, as indicated 7 most clearly in igs.A 1 and 7.
- the body 7 5 ⁇ o the hook 47 is bent laterally and formed into a curved spur 58, which spur is disposed ⁇ in a plane substantiall at right :ang-lesto the body l of vthe hook. his.construction enables the hook to.
- the arran literallytfof the parts illustrated in Fig. 1, is tlgiatwhich arises when thewinch is to operate to screw to ether two drill sec- .tions connected by Va rig t-hand thread, and the mode of operation with this arrangement Will now be described:
- the lever 33 is rotated so as to close the cock l14;v in this Way, the"v ⁇ outlet from the barrelbecomes' closed.
- The'l ⁇ suita vle fluid, such as oil or glycerin, from ⁇ the rear endof the' barrel, forcing the same into the Aforward vend of the barrel throu h the valves 18 and 2 2, andthrou h the et duct 32.
- pum lever 28 is then rocked so as'to drawja toward the rear ofthe. barrel, and draws inVv 'i prevent the-rotation Aof the lower drill seceffectively, this wrench wi 'be removed and i ist nder 'circumstances such-as those operating While the ⁇ Winch is intended kto describe be used for the purpose suggested, it is evidently capablevof being-used in many other connections.
- An a aratus for screwing together the fpdrillsor like tools comprising two wrenches for engaging the sections o the drill, a'chain having one end secured to one Wrench and its other end anchored, a motor havin a cylinder, aA iston in the cylinder and a ase u o n'whic the cylinder-is pivotally mounte to -rock in a.v vertical plane, a chain havin one end secured to the end of the base of 51 e motor opposite that romin which the piston rod of the cylinderv'pro'ects and its other end anchored', and a chain av ⁇ in one end ,secured to the piston rod and its A ot er end to the other wrench.
- An a aratus for screwing together the fpdrillsor like tools comprising two wrenches for engaging the sections o the drill, a'chain having one end secured to one Wrench and its other end anchored, a motor havin a cylinder, aA iston in the cylinder and a ase u o n'whic the cylinder-is pivotally mounte to -rock in a.v vertical plane, a chain havin one end secured to the end of the base of 51 e motor opposite that romin which the piston rod of the cylinderv'pro'ects and its other end anchored', and a chain av ⁇ in one end ,secured to the piston rod and its A ot er end to the other wrench.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Description
" f'No. 874,275. l
f l PAT-ENTE) DEG". 17,'1'901 JJG. WINGER. f
HYDRAULIC WINCH.
APPLICATION FILED JAI. 22, 1907.
No.' 874,275. I
l PATENTED DEG. 1'7, 1907.
J. G. WINGBR.
HYDRAULIG WINCH.
APPLIUATION FILED JAN. 2z. 19o-1.
a slums-Banni z.
Non
,"UNrTED -sflAfllics vPATInj-W1? oFF-ICE." JosIAHclwINGE-R, or GRAND'VALLE'Y, rENNsYLVANIA, AssIGnon 'ro c-HRI-s'rorn A FREDERVIcKGRETTENBERGER,
To all whom 'it 'may concern:
Be it known that I, JosrArLG. .WINQEB, a citizen of the United States, and a resident of Grand Valley, in the county of AWarren and vState of Pennsylvania, have invented -a new and Improved Hydraulic Winch, of
which the following is '-a full, clear, and exact description,
i use in connection with the This inventlon relates to vWinches, and.
es eciall to hydraulic Winches.
. he o ject of the inventionis to produce a winch of this' class whichis simple in construction and which is especiall adapted for dzilling .of oil Wells or Artesian wells, and for unscrewirll or screwing together the sections of the Y or tool joints. A further obj ect 'of the invention is to pro-v l J l vide,a"winch es eciall adapted for moving v.20 Y I heavy weights om p ace to place..
The invention consists in the construction and combination of parts to be more flly described hereinafter and particularly set forth in the claims. l
Reference is tov be-'had to the accompanying drawings forming a part of this specification, in which similar characters of referfigures.
' through lthe Winch taken on the line 4--4 of illustrating the construction and manner of -nfseof an anchor hookfforanchorng the-end of a chain to the floor, end Fig. -9 -i's a per- L 50 vand especially to Fig. 5 is a vertical section o n the on 'theline 6 6 of Fi 5; Fig. 7 is aper- 'spectiveillustratingy t ev construction and manner of using an anchor hook which con- .stitutes a feature of the invention; this hook isused for attachi an1 end of the chain to another portion of t e chain; Fig. 8 is a vertical ysectionA taken through the Hoor and spective view of portions,of two sections -of a drill or. gtheret. l Y
Referring .more 'articnlarly yto "the parts,
f amnleitrmc wnsrcm l vsp@imitation of'nettes Patent'. -1
- 'Application Blad annary 22. 1907- v' Serial In. 358.523. l Y Y tool,- and the v wrenches applied.'
OF TI-DIOUTE, PENNSYLVANIA..
" resented Deed?, 1907.;
a housing oi'. base. Atopposite sided-.this i frame is provided With-'upwardly proecting brackets 3 which constitute bearings or the trunnion-s 4 of a cyljnder'or barrel 5 mounted'V 'l therebetween' to rotate -upon a horizontal axis. vThese brackets are attached to the base '1 by suitable bolts 2. 'The rear 'extremity. of this barrel is closed by a bonnet 6 'which screws upon the same as'indicated.
vThe opposite extremity is closed by. a suitable p ug A7. furnished with'a stuin'g-b'ox 8 through which the passes, as shown.
As' indicated most clearly in 3, op.l I posite ends of the cylinder are connected by a by-pass pipe-13, and 'at 4a suitable oint in this pipe a cock 14 is provided, w ch enables communication between the two ends of/the c linder to be cut off.. J This cock is preferab y attached near the forward end of the c linder or barrel. Near .the opposite end o the pipe 13, a feed pipe 15 is provided, as indicated in'Fig. 6,.Wh1ch constitutes I a branch from the pipe 13, and this. pipe isv v formed with a lateral extension lvrwhichg..l leads to the casing of the 'barrel asl shown. In the casin -of the barrel .thereis formed'a j Apump ycylin er4 17,'With-Which the pipe 16V communicates, as shown.' '.This pump. cylin-l der is formed upon a vertical axis, and its lower end-is closed by" aremovable plug or head 17 a which screws into the cylinder from below as shown in Fig'. '5'. Y
In the-feed pipe 15 near its point of com -miinication Wlth-the extensionll, a/ch'eck Vvalve v18 is provided, whichopens in a direction to permit a iiowrom the-pipe. v15 to the pump c` linder, but not inthe' opposite direction., pposit'e this valve a removable-plug 19 is prov1ded,.w hich enablesrthe valve to be removed. At the side ofv the'pump cylinder 17 thereis' formed a valve chamberZO which 'is with a bushing 21, the upper poru 'f tioxi of which is formed into a seat fora check.
Avalve 22, andv this `'va-Ive is normally held 'i upon' its seat by ineens cfa spring23, lthe upper endofivhrchis Yseated against a'removable'v plug 24." 'Ihev lower portion of this l Zito v5, '1. represents valve chamber communicates, through a i-thifn the arrel, `apisport 25,'vvith the interior of the ump cylinder Vat the lower end thereof. T e lower end of the valve chamber isclos'ed by asuitable removable plug 26. lin the ump cylinder @5. 'there is mounted a reciprocating plunger 27 vwhich is adapted to be operatedv by means of a lever 28 connected thereto by a suitableV in 29, the said lever being .attached at its y Forward extremity to links 30, the lower ends of which are pivotally yattached to lugs 31 which project up from the casing or barrel, 'as indicated. 1
lThe u per ortion of, the valvev chest -20 above t e valve 22 is communication with an inlet duct 32 which duct is formed in the casing or barrel as shown, and leads to. the forward end of the barrel, Aas indicated' v most clearly in Fi 2. The cock 1 4 may be opened or.closed y means of a hand lever 20 313, and accessmay be had to the interior of -P'thejbonnet 'throufgh a removable plug34. The forward end of the vpiston rod 9 which extends through the stuffing-box 8, is formed into a clevis 35 having a transverse bolt 36 to v25 whichthewinch chain 37 may be'attachedfas indicated. Y Y f .As indicated most clearlyin Fig. 3, the base 1 consists substantiallyof a plate which lies fiat upon the Hoor. At its rear edge this plate is offset uplwardly so as `to form ...a 'pocket -38 at Whic there is attached ernia-f" nently a Winch anchor chain 39.7l T e rear end of this Vchain is attached to theiloor by a suitable anchorbolt 40, as indicated in Fig. 1. To the upper section411ofthe drill* an upper wrench 42 applied, as'indicate m Flg. 1, and 'a similar Wrench 43 isapplied to the ,lower section. vThe chain 37 is ro- -vided at its extremity with a hook'44`w- 'ch 4 0 is attached to the wrench 42. indicated. To the end of the wrenchr43 an vanchor-chain i 45 is attached by forming a' loo'p 46'about the.
handleof the Wrench as shown. `r The edvof the` chain forming this loop is provided with a hook 47, the construction of whichis 'most clearl vshown in Fi 7,-and`the fixed end'of the c ain is provi ed with ananchor hook 48, the constructiontof' which is mostclearly shown in 8'. ;This anchor-hook `is formed with a body 49 having'an eye`50 formed at one extremity thereof,.to'which the chain-45 is attached. This body49'isf-formed iat its extremity op osite the eye BO- withadownwardly exten shank 51 and theextrernty' LhFrom the lnder side ofthe body 49.*nea'r 60n to facilitate its at the-.oorfil by rofvi the f loo'r an firs end of thehoolgrsinse w'ill project der the loo en $5 passing body 49 of the Vhooklies fiat upon the'floor, as
shown.` The spur 53 is then received in the .openin 156.
The ook 47 is formed with an elongated body formed from'ia-.at b ar, and the rear en'd 'of this bodyis bent to form a rudimentary e `e 57. This eyev is attached to the end of t e chain formin the., loop 46, as indicated 7 most clearly in igs.A 1 and 7. At the Aend o posite the rudimentary eye 57 the body 7 5` o the hook 47 is bent laterally and formed into a curved spur 58, which spur is disposed `in a plane substantiall at right :ang-lesto the body l of vthe hook. his.construction enables the hook to. be ap lied -to a straight `taut chain, 'as indicated 'y the dotted lines' 59 v in Fig. 7. In this'connection7 it will be i understood that the bod offthe hook lies f substantiall parallel wit the direction-M Whichthe. c am'extends, and the spur '58 of '85 the hook is illustrated.
The arran einentfof the parts illustrated in Fig. 1, is tlgiatwhich arises when thewinch is to operate to screw to ether two drill sec- .tions connected by Va rig t-hand thread, and the mode of operation with this arrangement Will now be described: The lever 33 is rotated so as to close the cock l14;v in this Way, the"v` outlet from the barrelbecomes' closed. The'l` suita vle fluid, such as oil or glycerin, from` the rear endof the' barrel, forcing the same into the Aforward vend of the barrel throu h the valves 18 and 2 2, andthrou h the et duct 32. "'The'aceumulatingflui in the v for'- Ward end of thev4 barrel forces the'head' 10' the .ston-rod. 9.. ,I n thi s way/the chaine? f is ta. en up, so that the wrench 42 is operated, rotating the upperfdrillsection 41 toward Y the'ig'ht. The-anchor chain 45 operatesto tion Ythrough the medium of thezwrench 43. After the' wrench 42 'is moved' so farA as t o prevent the Winch from o erating upon -1t applied further back and the operation rel peated. In order'to allow the piston rod- 9 to. returnto its extended condition, it is only necessary-5to openthecock 14, whereupon Y free communication will be; opened between i the ends ofthe I t shouldlbe understood thatthe winchis' v not attachedto ilneflioor, butis 'simpl an-V chored. to the oor by the .chain 40. ith f this arrangement, the'f'winchj vcan evidentlyg shift its Pesion Se@ to. Suit the'changesin position. of. "the hook..'f. fin a horizontal Tdi-l The im; that the bm r..1z.of.l the' V passed into the eye of the linlgas.
Attention inolso oollod to the foot that tho I vpower which'drives the pump is exerted in a -vertical plane Which'does not tendto deflect the chains from a straight line.
Having thus described my' invention,. I claim as new and desire to secure Letters Patent:
the motor and its other end movably secured on the said lever, whereby the motor can' 25 shiftfmig j position to. accommodate itself to 4Coirrhetion Letterav Patenti-No.v 874,275.4
Signed and. sealed this 21st day [SEAL] sections o the different vertical and horizontal ositions the connection of the chain with t e lever occupies in the various positions' of said lever. l 2. An a aratus for screwing together the fpdrillsor like tools, comprising two wrenches for engaging the sections o the drill, a'chain having one end secured to one Wrench and its other end anchored, a motor havin a cylinder, aA iston in the cylinder and a ase u o n'whic the cylinder-is pivotally mounte to -rock in a.v vertical plane, a chain havin one end secured to the end of the base of 51 e motor opposite that romin which the piston rod of the cylinderv'pro'ects and its other end anchored', and a chain av` in one end ,secured to the piston rod and its A ot er end to the other wrench.
. lIn testimony whereof I' have, signed my name to this specification in the presence of' two subscribing Witnesses.
J OSIAH Witnesses: I i 'ISAAC VALENTINE, 4
. HOMER M. PUTNAM.
Itis uoroby oortiod that Letters Potont No. 874,275, granted noooxnbor 17,1907, upon tho application of Josiah G. Wingor, of Grond Volley, ronnoylvon'in; for an limprovement in- Hydraulic Winches, were -erroneouslyiseu'ed to Christoph Frederick Grettenberger', as owner of theentiije interestuin said invention, whereas said "f f l Letters rntont-Shnld novo boon inonod to tho'nvontor, Josiah G. Wtngof' and ehft'ttoph Frederick Gretenlierger, jontly,said (nrrettenb'erger being the assignee-o"` diie-half interest I only in said patent, as shown by the record if assignment in this office; E:and that the l said Letters Patent should be read witlithis correction therein' that .the same' may conform to the record of' the` ca se in the -Patent'O-ice. -A I i I i I of Januai'yr,rA. D., 190.8...y l .l
GQ WlNGEnf nder 'circumstances such-as those operating While the `Winch is intended kto describe be used for the purpose suggested, it is evidently capablevof being-used in many other connections.
Attention inolso oollod to the foot that tho I vpower which'drives the pump is exerted in a -vertical plane Which'does not tendto deflect the chains from a straight line.
Having thus described my' invention,. I claim as new and desire to secure Letters Patent:
the motor and its other end movably secured on the said lever, whereby the motor can' 25 shiftfmig j position to. accommodate itself to 4Coirrhetion Letterav Patenti-No.v 874,275.4
Signed and. sealed this 21st day [SEAL] sections o the different vertical and horizontal ositions the connection of the chain with t e lever occupies in the various positions' of said lever. l 2. An a aratus for screwing together the fpdrillsor like tools, comprising two wrenches for engaging the sections o the drill, a'chain having one end secured to one Wrench and its other end anchored, a motor havin a cylinder, aA iston in the cylinder and a ase u o n'whic the cylinder-is pivotally mounte to -rock in a.v vertical plane, a chain havin one end secured to the end of the base of 51 e motor opposite that romin which the piston rod of the cylinderv'pro'ects and its other end anchored', and a chain av` in one end ,secured to the piston rod and its A ot er end to the other wrench.
. lIn testimony whereof I' have, signed my name to this specification in the presence of' two subscribing Witnesses.
J OSIAH Witnesses: I i 'ISAAC VALENTINE, 4
. HOMER M. PUTNAM.
Itis uoroby oortiod that Letters Potont No. 874,275, granted noooxnbor 17,1907, upon tho application of Josiah G. Wingor, of Grond Volley, ronnoylvon'in; for an limprovement in- Hydraulic Winches, were -erroneouslyiseu'ed to Christoph Frederick Grettenberger', as owner of theentiije interestuin said invention, whereas said "f f l Letters rntont-Shnld novo boon inonod to tho'nvontor, Josiah G. Wtngof' and ehft'ttoph Frederick Gretenlierger, jontly,said (nrrettenb'erger being the assignee-o"` diie-half interest I only in said patent, as shown by the record if assignment in this office; E:and that the l said Letters Patent should be read witlithis correction therein' that .the same' may conform to the record of' the` ca se in the -Patent'O-ice. -A I i I i I of Januai'yr,rA. D., 190.8...y l .l
GQ WlNGEnf It is hereby certified that Letters Patent No. 874,275, granted December 17, 1907, upon the application of Josiah G. Winger, of Grand Valley, ennsylvania, for an improvement in Hydraulic Winches, were erroneously issued to Christoph Frederick Grettenberger, as owner of the entire interest in said invention, whereas said Letters Patent should have been issued to the inventor, Josiah G. Winger and Christoph Frederick Gretmberger, jointly, said Grettenberger being the assignee of one-half interest only in said patent, as shown by the record of assignment in this oce n'and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Oilce.
Signed and. sealed this 21st day of January, A. D., 1908.
[SEAL] C. C. BILLINGS,
Acting Commissioner of 'Patents
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35352307A US874275A (en) | 1907-01-22 | 1907-01-22 | Hydraulic winch. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35352307A US874275A (en) | 1907-01-22 | 1907-01-22 | Hydraulic winch. |
Publications (1)
Publication Number | Publication Date |
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US874275A true US874275A (en) | 1907-12-17 |
Family
ID=2942719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US35352307A Expired - Lifetime US874275A (en) | 1907-01-22 | 1907-01-22 | Hydraulic winch. |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3198040A (en) * | 1963-01-14 | 1965-08-03 | Imp Eastman Corp | Wrench |
US3256757A (en) * | 1963-01-15 | 1966-06-21 | United States Steel Corp | Power wrench for breaking threaded joints |
-
1907
- 1907-01-22 US US35352307A patent/US874275A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3198040A (en) * | 1963-01-14 | 1965-08-03 | Imp Eastman Corp | Wrench |
US3256757A (en) * | 1963-01-15 | 1966-06-21 | United States Steel Corp | Power wrench for breaking threaded joints |
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