EP1259356A1 - Cle a douilles - Google Patents

Cle a douilles

Info

Publication number
EP1259356A1
EP1259356A1 EP01901343A EP01901343A EP1259356A1 EP 1259356 A1 EP1259356 A1 EP 1259356A1 EP 01901343 A EP01901343 A EP 01901343A EP 01901343 A EP01901343 A EP 01901343A EP 1259356 A1 EP1259356 A1 EP 1259356A1
Authority
EP
European Patent Office
Prior art keywords
socket
elements
wrench
socket wrench
individual
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.)
Withdrawn
Application number
EP01901343A
Other languages
German (de)
English (en)
Inventor
Noel John O'brien
Patrick Michael O'brien
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1259356A1 publication Critical patent/EP1259356A1/fr
Withdrawn legal-status Critical Current

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
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/102—Spanners; Wrenches with adjustable jaws composed of a plurality of sockets slidable in each other

Definitions

  • This invention relates to a socket wrench and in particular to multi-socket wrenches or tools.
  • the invention particularly relates to a multiple socket wrench of a type described in our previously filed patent application No. PCT/IE97/00079 (publication No. WO98/22262) the contents of which are incorporated herein by reference.
  • This socket wrench has a tubular housing or body having at least two nesting individual socket wrench elements mounted on the housing, each of said socket elements being axially moveable on the housing.
  • each socket wrench element within the socket wrench element which is sized to engage the nut can retract within the housing to accommodate the nut.
  • the socket wrench elements are arranged concentrically within the housing. If dirt works its way between the socket wrench elements then as the socket wrench elements are engaged with a nut or the like as the inner redundant wrench socket elements retract they may pull the desired socket wrench element inwardly also so it may not engage, or only partially engage the nut or bolt head.
  • the present invention is directed toward overcoming this problem.
  • a socket wrench of the multi-socket type for operation by an actuating lever comprising:-
  • a set of nesting individual socket elements mounted on the body including at least two co-axial socket elements, namely an inner socket element and an outer socket element,
  • the inner socket element being movable axially inwardly relative to the outer socket element to expose said outer socket element for use, and means for engaging the body with an actuating lever for rotation of the body and hence the socket elements,
  • locking means is provided for selectively locking each movable individual socket on the body.
  • the selected socket wrench element is prevented from retracting on the housing when it is required for use ensuring full and positive engagement.
  • locking means comprises a selector switch on the body which is operable to position an associated selector pin on the body for engagement with a selected individual socket element to lock said selected individual socket element on the body.
  • the selector switch is mounted in a slot in a side wall of the body, the selector switch extending through the slot to engage the selector pin which is mounted within the body, the selector pin being engagable with a number of spaced-apart grooves on an inside face of the body for alignment with each individual socket element, the selector switch being biased outwardly to engage the selector pin in the grooves, the selector switch being movable inwardly against said bias to disengage the selector pin from the grooves.
  • each individual socket element has an outwardly extending lug at an inner end of said socket element for engagement with the selector pin, said lugs being engagable with an associated land within the body to retain the individual socket elements within the body, spring means mounted within the body to urge each socket element outwardly engaging the lug on the socket element with the land on the body.
  • the selector switch is slidably mounted in a circumferential slot in the side wall of the body and the selector pin is movable through an arc within the body between each socket element engaging position for alignment with the lugs on the socket elements.
  • each lug extends outwardly from an inner end of the socket element in a generally radial direction and complementary slots are provided at the inner ends of the socket elements to allow through passage of lugs from any inner nested socket elements.
  • the selector switch is mounted on a switch plate which is releasably mounted on the body side wall, said switch plate having an open-ended slot for sliding reception of the switch and having a grooved inner surface for reception and alignment of the selector pin within the body.
  • a set of nesting individual socket elements is provided at each end of the body, each set of socket elements being housed within an associated end portion of the body.
  • two separate sets of socket elements are axially spaced-apart in the tubular body, said tubular body having a hollow central portion between end portions within which each set of socket elements is mounted, the hollow central portion being sized to accommodate only one set of socket elements at a time.
  • a spring is mounted within the body engaged between the innermost individual socket element in each set of nesting socket elements for urging the socket elements outwardly for engagement against the land on the body.
  • means is provided at an end of the body for engagement by an actuating lever to rotate the body.
  • each end portion of the body has a hexagonal outer surface for engagement by an actuating lever.
  • the invention provides a socket wrench in combination with an adapter having a mounting socket for reception of each end of the body to releasably mount the adapter on the body, said adapter having means for engagement with an actuating lever for rotating the adapter and socket wrench.
  • the adapter has a spring loaded locking ball mounted on an inside wall of the mounting socket which is engagable with complementary receiver slots at each end of the body to releasably retain the adapter on the body.
  • an adapter drive having a hexagonal drive socket at one end for engagement with the outer face of each end portion of the housing and a square section drive hole at the opposite end for reception of a standard square drive tool such as a T-bar, ratchet spanner or the like.
  • Fig. 1 is a partially exploded perspective view of a multiple socket wrench of the invention
  • Fig. 2 is an elevational view of a housing portion of the socket wrench
  • Fig. 3 is and end elevational view of the housing
  • Fig. 4 is a plan view of a switch plate forming portion of a socket locking mechanism for the socket wrench
  • Fig. 5 is an end elevational view of the switch plate
  • Fig. 6 is an elevational view of a selector pin forming portion of the locking mechanism
  • Fig. 7 is an end view of the selector pin
  • Fig. 8 is a sectional view taken along the line VIII-VIII of Fig. 1 ;
  • Fig. 9 is a perspective view of a socket wrench element forming portion of the socket wrench;
  • Fig. 10 is a perspective view of a second socket wrench element
  • Fig. 11 is a perspective view of a third socket wrench element
  • Fig. 12 is a perspective view of a fourth socket wrench element
  • Fig. 13 is a perspective view of an associated set of socket wrench elements
  • Fig. 14 is a perspective view of another set of socket wrench elements.
  • Fig. 15 is a perspective partially sectioned view of an adapter drive for the socket wrench.
  • the socket wrench 1 has a generally tubular body 10 forming an outer housing having two opposed end portions 11 on either side of a central portion 12. Each end portion 11 forms a hexagonal socket and has a hexagonal outer surface 13. Two sets of socket elements 14 are mounted on the body 10, each socket set 14 being nested within one of the end portions 11. Each socket set 14 comprises a plurality of individual socket elements 15, 16, 17, 18 of different sizes arranged concentrically within the end portion 11 of the body 10 and slidable axially relative to each other for engaging a desired socket element 15, 16, 17, 18 with a nut or bolt head (not shown) in use.
  • each socket element 15, 16, 17, 18 is axially moveable within the body 10 between an extended position within the outer end 11 and a retracted position within the central portion 12 of the body 10.
  • a selector switch 20 is operable to lock each socket element 15, 16, 17, 18 when desired to prevent retraction of said socket element 15, 16, 17, 18 into the central portion 12 of the body 10.
  • the switch 20 is engaged with the corresponding socket element 15, 16, 17, 18 which is held against retraction whilst the other socket elements 15, 16, 17, 18 within the selected socket element 15, 16, 17, 18 are free to retract within the central portion 12 to allow reception of the nut or bolt head within the selected socket element 15, 16, 17, 18.
  • the central portion 12 is sized to accommodate only one set of socket elements at a time, thus providing a compact construction.
  • the selector switch 20 comprises a switch plate 21 which is mounted within an associated window 29 in a side wall of the central portion 12 of the body 10.
  • the switch plate 21 has an associated selector pin 22 with a central projection 23 which extends through a complementary open-ended guide slot 24 in the switch plate 21 and is attached to an operating button 25 which locates in and slides along a recessed groove 26 in an outer face of the switch plate 21.
  • a spring 27 is provided beneath the button 25 and extends between the button 25 and the outer face of the switch plate 21 to urge the selector pin 22 against an inside face 28 of the switch plate 21.
  • the inside face 28 of the switch plate 21 has a number of spaced-apart grooves 30 each for reception of the selector pin 22 to retain the selector pin 22 at a desired location.
  • the button 25 is depressed against the spring 27 moving the selector pin 22 inwardly and then the button 25 can be slid along the groove 26 and released to allow the selector pin to snap into the selected groove 30 on the inside face of the selector plate 21.
  • the selector pin is mounted in an axial or longitudinal orientation within the body 10.
  • each socket element 16, 17, 18 At an inner end of each of the socket elements 15, 16, 17, 18 there is provided a lug 32 associated with the selector pin 22.
  • a lug 32 associated with the selector pin 22.
  • each socket element 16, 17, 18 has a slot 33 adjacent the lug 32 for through passage of lugs 32 of other socket elements 15, 16, 17, 18 so that outer ends of the lugs 32 are arranged in a row within the housing 10 in the path of the selector pin 22.
  • each lug 32 bears against an associated ledge or land 35 within the window 22 to retain the socket elements 15, 16, 17, 18 within the housing 10.
  • a spring 38 extends between the innermost socket element 15 of each set 14 of socket elements to urge each set of socket elements 14 outwardly with the lugs 32 engaging against the land 35 for limiting outward movement.
  • Each of the socket elements 15, 16, 17, 18 can be pushed inwardly against spring 38 pressure to expose an outer socket element 15, 16, 17, 18 for use.
  • the innermost socket element 15 has adjacent an inner end of its bore a step or landing 40 against which an outer end of the spring 38 engages.
  • Figs 13 and 14 show the two sets of socket elements each set 14 comprising in this case four socket elements 15,16, 17, 18 which slidably nest one within the other.
  • the socket wrench 1 advantageously ten different socket element sizes are provided, with a hexagonal inside face 42 of each end portion 11 of the body 10 also forming a socket element.
  • an adapter drive 50 which has at an inner end a hexagonal mounting socket 51 for engagement with the hexagonal outer face 13 at each end 11 of the body 10.
  • An inner end 52 of the adapter drive 50 has a central square section hole 53 for reception of a standard square drive T-bar, ratchet spanner or the like actuating lever.
  • the adapter drive 50 has a spring-loaded locking ball 55 mounted on an inside wall of the mounting socket 51 and projecting outwardly of said inside wall. This locking ball 55 is engagable with complementary receiver slots 56 on each flat face of the hexagonal ends 13 of the body 10.
  • the ball 55 will retract to allow the socket 51 of the adapter 50 to engage with the hexagonal outer surface 13 at each end of the body 10 and, on engagement, the ball 55 will spring outwardly for snap engagement within one of the slots 56 to securely retain the adapter 50 in engagement with the socket wrench 1.
  • a user manipulates the button 25 of the selector switch 20 to align the selector pin 22 with a desired socket element 15, 16, 17, 18 or disengage the selector pin 22 altogether if the selected socket element is formed by the inside face 42 at the end 11 of the body 10.
  • the socket wrench 1 is then engaged with a nut or bolt with the socket element 11, 15, 16, 17, 18 being held steady whist redundant inner socket elements 15, 16, 17, 18 are pushed by the nut or bolt inwardly into the central portion 12 of the body 10.
  • the selector switch 20 can be quickly and easily operated to select any desired socket element 11, 15, 16, 17, 18, 42.

Landscapes

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

Abstract

Cette invention se rapporte à une clé multidouille (1) qui comprend un corps tubulaire (10) comportant un jeu de douilles d'emboîtement individuelles (15-18) à chaque extrémité du corps (10). Le corps (10) possède des parties terminales (11), à l'intérieur desquelles chaque jeu de douilles (15-18) est monté, une partie centrale creuse (12) étant située entre ces parties terminales. Chaque paire adjacente de douilles d'emboîtement (15-18) d'un jeu de douilles comprend une douille interne et une douille externe, la douille interne étant axialement mobile vers l'intérieur par rapport à la douille externe jusqu'à venir se placer dans la partie centrale (12) du corps, pour exposer cette douille externe en vue d'une utilisation. Un moyen de blocage (20-32) est prévu pour bloquer sélectivement chaque douille individuelle (15-18) sur le corps (10) de la clé, pour qu'elle puisse être maintenue en position fixe, prête à être utilisée. Pour utiliser une douille sélectionnée (15-18), celle-ci est bloquée sur le corps (10), pendant que les autres douilles du jeu emboîtées dans la douille sélectionnée sont libres de se déplacer vers l'intérieur, pour permettre à la douille sélectionnée de recevoir la tête d'un écrou ou d'un boulon qu'elle doit serrer. Des douilles ayant une large gamme de tailles peuvent être logées sur cette clé multidouille (1).
EP01901343A 2000-01-17 2001-01-17 Cle a douilles Withdrawn EP1259356A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IE20000036 2000-01-17
IE000036 2000-01-17
PCT/IE2001/000008 WO2001053043A1 (fr) 2000-01-17 2001-01-17 Cle a douilles

Publications (1)

Publication Number Publication Date
EP1259356A1 true EP1259356A1 (fr) 2002-11-27

Family

ID=11042548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01901343A Withdrawn EP1259356A1 (fr) 2000-01-17 2001-01-17 Cle a douilles

Country Status (4)

Country Link
EP (1) EP1259356A1 (fr)
AU (1) AU2001227010A1 (fr)
CA (1) CA2435850A1 (fr)
WO (1) WO2001053043A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2390317A (en) * 2002-07-05 2004-01-07 Mark Playle Nestable socket set
CN113236679A (zh) * 2021-04-07 2021-08-10 新兴铸管股份有限公司 联轴器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618715A (en) * 1925-09-12 1927-02-22 George J C Lammers Multiple-socket wrench
US2337368A (en) * 1941-09-19 1943-12-21 Harlow V Greenwood Wrench
GB2115330B (en) * 1982-02-22 1986-04-03 Andrew Charles Simon Hurst Multiple socket spanner
US5074174A (en) * 1989-09-02 1991-12-24 Dae Sam Co., Ltd. Socket wrench
US5386749A (en) * 1993-01-12 1995-02-07 Kim; Kwang-Moo Socket for wrench
WO1998022262A1 (fr) * 1996-11-21 1998-05-28 Brien Noel John O Douille pour cle a douilles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0153043A1 *

Also Published As

Publication number Publication date
CA2435850A1 (fr) 2001-07-26
WO2001053043A1 (fr) 2001-07-26
AU2001227010A1 (en) 2001-07-31

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