WO2001072475A1 - Outil a machoire mobile lineaire en biseau - Google Patents

Outil a machoire mobile lineaire en biseau Download PDF

Info

Publication number
WO2001072475A1
WO2001072475A1 PCT/US2001/009967 US0109967W WO0172475A1 WO 2001072475 A1 WO2001072475 A1 WO 2001072475A1 US 0109967 W US0109967 W US 0109967W WO 0172475 A1 WO0172475 A1 WO 0172475A1
Authority
WO
WIPO (PCT)
Prior art keywords
jaw member
pocket
open mouth
jaw
tool
Prior art date
Application number
PCT/US2001/009967
Other languages
English (en)
Inventor
O. David Olsen
Original Assignee
Olsen O David
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olsen O David filed Critical Olsen O David
Priority to AU2001251064A priority Critical patent/AU2001251064A1/en
Publication of WO2001072475A1 publication Critical patent/WO2001072475A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
    • B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
    • B25B13/5058—Linearly moving or adjustable, e.g. with an additional small tilting or rocking movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/08—Spanners; Wrenches with rigid jaws of open jaw type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/44—Spanners; Wrenches of the chuck type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member

Definitions

  • a movable jaw commonly is formed on a moveable elongated shank that is mounted on a wrench handle for lengthwise movement to adjust the size of the jaw opening.
  • the wrench handle is formed with the stationary jaw and a screw mechanism with threads that engage a rotary actuator associated with the shank. Rotating the actuator moves the shank lengthwise forward or rearward to adjust the distance between the shank' s moveable jaw and its stationary jaw on the handle.
  • both hands may be needed to adjust the jaws, and the screw mechanism may be difficult to operate because of dirt getting into the threads or the operator's fingers being slippery.
  • This invention is a tool for manipulating pipes, bolts, nuts, and other items that are turned or rotated to secure them in a particular position or remove them from such a position.
  • This tool may be, for example, in the form of a pipe wrench, box end wrench, open wrench, crescent wrench, a socket for a socket wrench, or other similar tools.
  • I t includes a head having an open mouth.
  • the open mouth has a perimeter defining open space into which the item being turned is positioned.
  • the head typically is attached to a handle that provides leverage.
  • a tapered jaw member is at the open mouth.
  • the head has a pair of pockets therein positioned opposite of each other, and a jaw member is seated in each pocket and mounted to move reciprocally along a linear path in its pocket.
  • a spring member seated in each pocket that engages the jaw member in such pocket.
  • the jaw member pushes the jaw member it engages in one direction.
  • the other spring member in the other pocket pushes the jaw member it engages in the opposite direction.
  • the jaw member is simply free to move laterally within the pocket without encountering the biasing force of a spring seated in the pocket.
  • This is the simplest version of this invention requiring the least number of parts. It does not make any different in which direction the teeth are oriented.
  • the tool will tighten its grip on an item in its open mouth when rotated in one direction and loosen its grip on this item when rotated in the opposite direction.
  • This invention has several features that are set forth in the CLAIMS which follow. These features provide this invention with its many desirable attributes. After reading the following section entitled "DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS,” one will understand how the features of this invention provide its benefits which include, but are not limited to, convenience and versatility of u se and low cost manufacture.
  • Fig. 1 is a side view of the first embodiment of this invention, a pipe wrench with the jaws shown in a position prior to clamping onto a pipe.
  • Fig. 1A is an enlarged, fragmentary view, with sections broken away, showing the internal structure of the ' jaws of the wrench and the internal structure of the locking mechanism shown in Fig. 1.
  • Fig. IB is a fragmentary side view of the pipe wrench shown in Fig.
  • Fig. 1C is a fragmentary side view of the pipe wrench similar to that shown in Fig. IB shown in Fig. 1 with the jaws in a second position grasping the pipe after to rotating the wrench.
  • Fig. 2 is a cross-sectional view taken along line 2-2 of Fig. 1.
  • Fig. 3 A is a side elevational view of the inner rod component of a locking mechanism for holding the moveable shank in a selected position.
  • Fig. 3B is a side elevational view taken along line 3B-3B of Fig. 3A.
  • Fig. 4 is a side elevational view of the shank of the wrench shown in Fig. 1.
  • FIG. 5 A is a plan view of the inside of one of the jaw members shown in FIG. 1.
  • Fig. 5B is a side elevational view of the jaw member shown in Fig. 5A.
  • Fig. 6 is a side elevational view of the second embodiment of this invention, a box end wrench.
  • Fig. 7 is a cross-sectional view taken along line 7-7 of Fig. 6.
  • Fig. 8 is a side elevational view of the third embodiment of this invention, an open end wrench with a pair of moveable jaws.
  • Fig. 9 is a side elevational view of the forth embodiment of this invention, a crescent wrench with a pair of moveable jaws.
  • FIG. 10 is a plan view of the fifth embodiment of this invention, a socket for a socket wrench, taken along line 10-10 of Fig.11.
  • Fig. 11 is a side elevational view, with sections broken away, taken along line 11-11 of Fig.10.
  • Fig. 12 is a bottom view of the socket for a socket wrench taken along line 12-12 of Fig.l l .
  • Fig. 13 is a partially exploded side elevational view of the socket for a socket wrench shown in Fig. 11.
  • Fig. 14 is a sectional view taken along line 14-14 of Fig. 13.
  • Fig. 15 is a side view of the sixth embodiment of this invention, a n open end wrench with only one moveable jaw.
  • Fig. 11 is a side elevational view, with sections broken away, taken along line 11-11 of Fig.10.
  • Fig. 12 is a bottom view of the socket for a socket wrench taken along line 12-12 of Fig.l l .
  • Fig. 13 is a partially
  • FIG. 16 is a cross-sectional view taken along line 16-16 of Fig.15.
  • Fig. 17 is a side elevational view of the seventh embodiment of this invention, a crescent wrench with only one moveable jaw. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • a pipe wrench 1 has a shank 12 and an elongate handle 13.
  • the handle 13 has a jaw face 2 0 facing a jaw face 22 on the shank.
  • the shank 12 has a generally L- shape, with its jaw face 22 on the inside surface of the short leg 12a a t the distal end of the shank.
  • the long leg 12b of the shank 12 passes through an opening 17 (Fig. 2) in a guide member 24 near the proximal end of the handle 13.
  • a series of teeth 8 that engage a moveable locking mechanism 26 th at extends through the handle 13. As best shown in Figs.
  • the locking mechanism 2 6 comprises a rod-like component 9 having a shaft 9c that extends through a cavity 28 within the handle 13.
  • a finger 9a at one end of the shaft 9c and threads 10 at the opposite end of the shaft.
  • the a provides a surface against which one end a coiled spring 7 bears.
  • the spring 7 is wrapped around the shaft 9c is retained in the cavity 28.
  • the one end of the spring 7 engages a land 28a in the side of the cavity 28 and the other end of the spring engages an underside 9b of the finger 9.
  • the spring 7 normally biases the rod-like component 9 outward towards the teeth 8 in the shank 12, so that the finger 9 a engages these teeth and prevents movement of the shank 12.
  • a trigger lever 14 mounted by a pivot pin 15 to an outer edge 13a of the handle 13 opposite the teeth of the shank 12.
  • the threaded end 10 of the rod-like component 9 passes through one e nd 14a of trigger lever 14 and is attached to this end by a nut 11.
  • the lever 14 is manually depressed by pushing it opposite end 1 4 b inward towards the edge 13a, the rod-like component 9 is pulled inward and its end 9a disengages from the teeth 8 to allow the shank 1 2 1 to be manually moved reciprocally within the guide member 24.
  • 3 shank 12 has a pocket 30 therein that holds a hardened steel j aw
  • This jaw member 40 is 4 mounted to move along a linear path within the pocket 44 against the > 5 biasing force of the spring 42 when the wrench 1 is used to turn a pipe > 6 in a clockwise direction as shown in Fig. 1C.
  • Both jaw members 32 and 40 are constructed in a similar manner
  • the tooth sections 32a and 40a each have teeth 20a and 22a, respectively, extending outward from ah open side in the pocket holding a jaw member.
  • the teeth 20a and 22a are arranged in a progressive series so that one tooth is higher than an adjacent tooth. These teeth 20a and 22a, respectively, form the jaw faces 20 and 22.
  • Each track section 32b and 40b is enclosed within its pocket, and, as best shown in Figs, lc, 5A and 5B, each track member has a pair of guide fingers 48a and 48b extending outward from opposite sides of each track member.
  • Each finger 48a and 48b on each track member is aligned with its opposing finger and each pair of fingers on a track member ride within opposed elongated slots 50 in opposed sidewalls 5 2 forming a pocket.
  • the shapes of the slots 50 are identical, and, upon turning the wrench 1 , they guide each of the jaw members 32 and 40 to move along a linear path.
  • the ends of these slots 50 serve as stops to limit the distance the jaw members 32 and 40 move to the distance between the ends of the slots 50.
  • the teeth 20a in the jaw member 20 are progressively arranged in series in an ascending order and the teeth 22a in the jaw member 22 are progressively arranged in series in a descending order.
  • the teeth 20a and 22a face each, with the thicker end of the one jaw member 22 being close to the shank 12 and the thicker end of the other jaw member 20 being at or near the open mouth 21 formed by the jaw members.
  • the inner edge 23 of the shank 12 and the teeth 20a and 22a form in part the open mouth 21, having a U-shape providing a open space into which the item being turned, for example, a pipe 60, is positioned as shown in Figs. IB and 1C. Consequently, when the wrench 1 is turned clockwise as viewed in FIG. 1C, the jaw members 20 and 22 move towards each other to more firmly grip a pipe 60 placed between them. And when the wrench 1 is turned counter-clockwise as viewed in FIG. 1C, the jaw members 20 and 22 move away from each other to loosen the grip of these jaw members on the pipe 60 and allow the pipe wrench 1 to be repositioned on the pipe.
  • the second embodiment of this invention is the box end wrench 70 shown in Fig. 6.
  • This wrench 70 has a series of jaw members 72, 73 , 73, 74, 75, 76 and 77 that are individually positioned within individual pockets in a series of pockets 80 in the head 70a of the wrench 70.
  • Each jaw member 72-77 is mounted individually in a manner similar to th e manner in which jaw members of the wrench 1 are mounted in a pocket.
  • the pockets 80 are located along an inside hexagonal edge 70b of the head 70a of the wrench 70. This edge 70b defines the perimeter of an open mouth 70c into which a nut (not shown) or the like is positioned.
  • a coiled spring 36 is seated within each pocket 30 and is held in position by a set screw 38.
  • the individual jaws members 72 -77 each have a track member 32b with a pair of fingers 48a and 48 b seated in opposed slots 82 around the opening 70c.
  • the jaw members 72-77 have teeth 20a arranged in a progressive series in an ascending order so that one tooth is higher than an adjacent tooth.
  • the j aw members 72-77 are positioned with the thicker end of the one j aw member next to the thinner end of an adjacent jaw member. For example, the thinner end 73a of the jaw member 73 is next to the thicker end 72b of the jaw member 72 and the thinner end 74a of the jaw member 74 is next to the thicker end 73b of the jaw member 73.
  • the third embodiment of this invention is the open end wrench 9 0 shown in Fig. 8 with fixed jaw elements 90a and 90b. It includes a pair of jaw members 92 and 94 mounted is substantially the same manner as the jaw members 32 and 40 of the pipe wrench 1. These j aw members act in the same manner as the jaw members 32 and 40 of the pipe wrench 1 when used to tighten or loosen an item such as for example, a bolt.
  • the forth embodiment of this invention is the crescent wrench 100 shown in Fig. 9 with one fixed jaw element 100a and a moveable jaw element 100b as controlled by the conventional adjustment screw 102. It includes a pair of jaw members 104 and 106 mounted in substantially the same manner as the jaw members 32 and 40 of the pipe wrench 1. These jaw members act in the same manner as the j aw members 32 and 40 of the pipe wrench 1 when used to tighten o r loosen an item such as for example, a bolt.
  • the fifth embodiment of this invention is the socket 120 shown in Figs. 10 through 14. It includes a hexagonal connection cap 120a with a square opening 122 therein, a socket body 120b, a socket bottom plate 120c, and a series of jaw members 72a, 73a, 74a, 75a, 76a and 77a. These jaw members 72a through 77a act in the same manner as the j aw members 72 through 77 of the box end wrench 70 when used to tighten or loosen an item such as, for example, a bolt. They are, however, different than the jaw members of the other embodiments in that the jaw members 72a through 77a each have flanges 128a and 1 28 b respectively along their top and bottom edges.
  • connection cap 120a The jaws 74a and 76a, connection cap 120a, and the socket bottom plate 120c are shown exploded from the socket body 12b.
  • the socket 120 has pockets formed when the components of the socket 120 are assembled.
  • the underside of the connection cap 120a has a central, raised hexagonal land 130 with a surrounding flat area 130a.
  • the hexagonal land 130 fits snug within the top of a hexagonal opening 131 in the socket body 120b, and screws 180 passing through openings 181 in the flat area 130a secure the connection cap 120a to the socket body 120b upon assembly.
  • the socket bottom plate 120c also has a central, raised hexagonal land 170 with a surrounding flat area 170a.
  • the hexagonal land 170 fits snug within the bottom of the hexagonal opening 131 in the socket body 120b, and screws 182 passing through openings 183 in the flat area 170a to secure the socket bottom plate 120c to the socket body 120b upon assembly.
  • Seated in each passageway is a spring 36 that bears against an individual jaw member and a set screw 38 that holds the spring in position.
  • the individual pockets holding individual j aw members comprise the spaced formed between the opposed flat areas 130a and 170a and the passageways 190. As best depicted in Fig.
  • the opposed flat areas 130a and 170a create recesses in which the opposed flangesl28a and 128b on individual jaw members are received. Consequently, the jaw members 72a through 77a function in the s ame manner as in the other embodiments of this invention.
  • the sixth embodiment of this invention is similar to the above embodiments, b u t constitutes the simplest version of this invention in that only one linear moveable tapered jaw 202 is employed and a biasing spring is eliminated.
  • the tapered jaw 202 has a track section or mounting portion 202a seated in a pocket 204 in the head 206 and a tooth section or portion 202b along the perimeter of the open mouth 208 in the head.
  • the head 206 is attached or integral with a handle 13.
  • the mounting portion 202a has a pair of guide fingers 48a and 48b extending outward from its opposite sides.
  • These fingers 48a and 48b are aligned and each finger rides within opposed elongated slots 50 in opposed sidewalls 52a and 52 b forming the pocket 204.
  • the shapes of the slots 50 are identical, and, upon turning the open end wrench 200, they guide the jaw 202 to move along a linear path.
  • the ends of these slots 50 serve as stops to limit the distance the jaw 202 moves to the distance between the ends of the slots 50.
  • the teeth 203 in the jaw 202 are progressively arranged in series in a descending order.
  • the seventh embodiment of this invention is similar to the embodiment shown in Figs. 15 and 16. The only significant difference is, like the fourth embodiment, a moveable jaw element 100b controlled by the conventional adj ustment screw 102 is employed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne un outil comprend une tête dotée d'une ouverture (21, 70c, 131, 208), au moins une poche (30, 80, 204) ménagée dans la tête adjacente à l'ouverture, et un périmètre définissant un espace ouvert dans lequel on peut placer un article. Un élément de mâchoire (32, 72-77, 92/94, 104/106, 72a-77a, 202) en biseau est placé dans l'ouverture. Ledit élément de mâchoire comprend une partie dentelée formant une partie du périmètre de l'ouverture, et une partie de montage placée dans la poche et montée de façon à effectuer un mouvement de va-et-vient le long d'un chemin linéaire dans ladite poche.
PCT/US2001/009967 2000-03-29 2001-03-28 Outil a machoire mobile lineaire en biseau WO2001072475A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001251064A AU2001251064A1 (en) 2000-03-29 2001-03-28 A tool with a tapered linear moveable jaw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19281700P 2000-03-29 2000-03-29
US60/192,817 2000-03-29

Publications (1)

Publication Number Publication Date
WO2001072475A1 true WO2001072475A1 (fr) 2001-10-04

Family

ID=22711145

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/009967 WO2001072475A1 (fr) 2000-03-29 2001-03-28 Outil a machoire mobile lineaire en biseau

Country Status (2)

Country Link
AU (1) AU2001251064A1 (fr)
WO (1) WO2001072475A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2388333A (en) * 2002-05-07 2003-11-12 Mark Carmichael Spanner with flat and grooved surfaces
EP1671749A1 (fr) * 2004-12-20 2006-06-21 World Vision Clé de serrage ouverte à rochet
WO2009053665A1 (fr) * 2006-10-23 2009-04-30 Nigel Alexander Buchanan Douille pour clef et procédé de desserrage d'un élément de fixation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574834A (en) * 1947-10-08 1951-11-13 John R Leonard Pipe wrench
US2959996A (en) * 1959-03-09 1960-11-15 Charles J Wheeler Slidable jaw face, slidable outer jaw wrench
US3165015A (en) * 1963-01-26 1965-01-12 John H Farley Wrench
US3280669A (en) * 1965-09-30 1966-10-25 Weaver Ralph Lee Sliding side jaw wrench having a ratchet bottom and shoulder stop means on a jaw
US4706528A (en) * 1980-12-15 1987-11-17 Daiya Seiko Kabushiki-Kaisha Adjustable wrench
US5533426A (en) * 1995-01-13 1996-07-09 Morales; Emmitt Stud removal and fastening tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574834A (en) * 1947-10-08 1951-11-13 John R Leonard Pipe wrench
US2959996A (en) * 1959-03-09 1960-11-15 Charles J Wheeler Slidable jaw face, slidable outer jaw wrench
US3165015A (en) * 1963-01-26 1965-01-12 John H Farley Wrench
US3280669A (en) * 1965-09-30 1966-10-25 Weaver Ralph Lee Sliding side jaw wrench having a ratchet bottom and shoulder stop means on a jaw
US4706528A (en) * 1980-12-15 1987-11-17 Daiya Seiko Kabushiki-Kaisha Adjustable wrench
US5533426A (en) * 1995-01-13 1996-07-09 Morales; Emmitt Stud removal and fastening tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2388333A (en) * 2002-05-07 2003-11-12 Mark Carmichael Spanner with flat and grooved surfaces
EP1671749A1 (fr) * 2004-12-20 2006-06-21 World Vision Clé de serrage ouverte à rochet
WO2006068362A1 (fr) * 2004-12-20 2006-06-29 World Vision Cle
WO2009053665A1 (fr) * 2006-10-23 2009-04-30 Nigel Alexander Buchanan Douille pour clef et procédé de desserrage d'un élément de fixation
US8544367B2 (en) 2006-10-23 2013-10-01 Nigel A. Buchanan Socket for a wrench

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Publication number Publication date
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