US2956462A - Spark-plug socket wrench - Google Patents

Spark-plug socket wrench Download PDF

Info

Publication number
US2956462A
US2956462A US721517A US72151758A US2956462A US 2956462 A US2956462 A US 2956462A US 721517 A US721517 A US 721517A US 72151758 A US72151758 A US 72151758A US 2956462 A US2956462 A US 2956462A
Authority
US
United States
Prior art keywords
spark
plug
wrench
socket wrench
spark plug
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
Application number
US721517A
Inventor
Frank B Paul
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Priority to US721517A priority Critical patent/US2956462A/en
Application granted granted Critical
Publication of US2956462A publication Critical patent/US2956462A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B25B13/483—Spanners; Wrenches for special purposes for spark plugs

Definitions

  • This invention relates to spark-plug socket wrenches and more particularly to an insert for a socket wrench to grip and retain a spark plug inserted therein.
  • the device in which this invention is embodied comprises an improved nylon sleeve to be inserted in a standard socket wrench.
  • the sleeve provides the proper gripping and retaining functions necessary and gives a longlasting tool.
  • the terminal threads and insulator portion of the spark plugs are protected at all times, whether actually installing or removing the spark plug, or in carrying the spark plug and wrench from place to place.
  • greater ease in installing and removing the plug is obtained and the plugs are well protected, resulting in more efiicient installations, less operator etlort, and consequent savings in time and money.
  • Figure 1 is an elevation of the spark-plug socket wrench and insert with parts broken away and in section and having a spark plug inserted therein, showing the gripping action given the plug by the insert.
  • Figure 2 is a cross-sectional view of the wrench and insert of Figure 1, showing the insert in its normal position.
  • Figure 3 is an isometric view of the wrench insert of Figure 1.
  • Figure 4 is an end view of the socket wrench and insert, taken in the plane of line 4-4 of Figure 2 and looking in the direction of the arrows.
  • FIG. 1 and 2 best show the insert mounted in the spark-plug socket wrench.
  • the socket wrench is a standard twelve-point socket wrench having a wrench body 12 and twelve triangular projections 13 extending part way up the wrench body. The projections terminate in a shoulder 14 which limits the movement of a spark plug into the wrench.
  • a rectangular opening 16 is provided in the upper end of the wrench body for the insertion of a handle, or some other turning means, and has indentations 18 provided therein. The indentations provide a lock for the handle member inserted in the wrench opening 16.
  • a nylon sleeve 20 is received in a central bore 22 of the Wrench body 12.
  • the upper half of the insert 24 is of slightly greater outside diameter than the diameter of the bore such that the insert will be slightly compressed and retain itself in the wrench body.
  • the lower half of the insert 26 is of less outside diameter than the diameter of the bore, to provide an annular clearance 28 between the insert and the wall of the bore.
  • a plurality of fingers 30 are formed in the lower half 26 of the sleeve by cutting four slots 32 half way up the length of the insert. The fingers therefor comprise the sleeve material between the slots. Also provided on each finger portion of the insert is an inwardly extending annular projection 34 to grip the insulator portion of a spark plug inserted therein.
  • a standard spark plug indicated generally by the numeral 36, is shown inserted in the spark-plug socket wrench 10 and the sleeve 20.
  • the spark plug consists of a threaded terminal post 38, extending the length of the plug, an insulator portion 40, surrounding the threaded terminal post, a nut portion 42, by which the spark plug is threaded into its place, and a threaded portion 44 which is received in the engine requiring the spark plug.
  • the nut portion 42 is hexagonal in shape and fits within the triangular projections of the socket wrench so that the spark plug may be turned.
  • the insulator portion 40 of the spark plug extends into the nylon sleeve 20 and is thus protected from the metal walls of the socket wrench.
  • the inwardly extending annular projections 34, formed on the lower ends of the fingers are of less inside diameter than the outer diameter of the insulator portion.
  • a spark-plug socket wrench having a plug-receiving bore therein, a nylon sleeve receivable in said bore, one end of said sleeve being of slightly larger outside diameter than said bore for frictionally retaining said sleeve in said bore, a plurality of fingers formed in the other end of said sleeve, the outside diameter of said fingers being less than the diameter of said bore, and inwardly extending projections formed on the inside of said fingers for receiving and retaining a spark plug at its insulator portion, said fingers bending outwardly within said socketwrench bore as a spark plug is inserted therein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spark Plugs (AREA)

Description

Oct. 18, 1960 F. B.'PAUL SPARK-PLUG socxm' WRENCH Filed March 14, 1958 JZQ/IKZZ 2211/ A ORNEY United States Patent SPARK-PLUG SOCKET WRENCH Frank B. Paul, Flint, Mich., assignor to General Motors Corporation, Detroit, Mich., a corporation of Delaware Filed Mar. 14, 1958, Ser. No. 721,517
1 Claim. (Cl. 81-125) This invention relates to spark-plug socket wrenches and more particularly to an insert for a socket wrench to grip and retain a spark plug inserted therein.
In internal combustion engines requiring spark plugs, great difiiculty has been encountered in installing and removing the spark plugs. Most engine constructions provide a deep well for the spark plug, making it ditficult to properly align the plug on installation. Further, engines generally have the spark plugs projecting upwardly, making it diificult to retain a plug in a wrench on installation, and almost impossible to remove the plug without the plug slipping out of the wrench, resulting in damage to the insulator portion or threaded terminal portion of the plug.
To obviate these difficulties, several types of retainers have been made in the past to be inserted in the socket wrench and protect the spark plug. These inserts have met with varying degrees of success and have not completely solved the problems of spark plug installation and removal.
The device in which this invention is embodied comprises an improved nylon sleeve to be inserted in a standard socket wrench. The sleeve provides the proper gripping and retaining functions necessary and gives a longlasting tool. The terminal threads and insulator portion of the spark plugs are protected at all times, whether actually installing or removing the spark plug, or in carrying the spark plug and wrench from place to place. Thus, greater ease in installing and removing the plug is obtained and the plugs are well protected, resulting in more efiicient installations, less operator etlort, and consequent savings in time and money.
In the drawings:
Figure 1 is an elevation of the spark-plug socket wrench and insert with parts broken away and in section and having a spark plug inserted therein, showing the gripping action given the plug by the insert.
Figure 2 is a cross-sectional view of the wrench and insert of Figure 1, showing the insert in its normal position.
Figure 3 is an isometric view of the wrench insert of Figure 1.
Figure 4 is an end view of the socket wrench and insert, taken in the plane of line 4-4 of Figure 2 and looking in the direction of the arrows.
Referring more particularly to the drawings, Figures 1 and 2 best show the insert mounted in the spark-plug socket wrench. The socket wrench is a standard twelve-point socket wrench having a wrench body 12 and twelve triangular projections 13 extending part way up the wrench body. The projections terminate in a shoulder 14 which limits the movement of a spark plug into the wrench. A rectangular opening 16 is provided in the upper end of the wrench body for the insertion of a handle, or some other turning means, and has indentations 18 provided therein. The indentations provide a lock for the handle member inserted in the wrench opening 16.
A nylon sleeve 20 is received in a central bore 22 of the Wrench body 12. The upper half of the insert 24 is of slightly greater outside diameter than the diameter of the bore such that the insert will be slightly compressed and retain itself in the wrench body. The lower half of the insert 26 is of less outside diameter than the diameter of the bore, to provide an annular clearance 28 between the insert and the wall of the bore. A plurality of fingers 30 are formed in the lower half 26 of the sleeve by cutting four slots 32 half way up the length of the insert. The fingers therefor comprise the sleeve material between the slots. Also provided on each finger portion of the insert is an inwardly extending annular projection 34 to grip the insulator portion of a spark plug inserted therein.
In Figure 1, a standard spark plug, indicated generally by the numeral 36, is shown inserted in the spark-plug socket wrench 10 and the sleeve 20. The spark plug consists of a threaded terminal post 38, extending the length of the plug, an insulator portion 40, surrounding the threaded terminal post, a nut portion 42, by which the spark plug is threaded into its place, and a threaded portion 44 which is received in the engine requiring the spark plug. The nut portion 42 is hexagonal in shape and fits within the triangular projections of the socket wrench so that the spark plug may be turned.
The insulator portion 40 of the spark plug extends into the nylon sleeve 20 and is thus protected from the metal walls of the socket wrench. The inwardly extending annular projections 34, formed on the lower ends of the fingers are of less inside diameter than the outer diameter of the insulator portion. When the spark plug is inserted in the wrench and sleeve the insulator portion forces the fingers against the side wall of the bore taking up the clearance space 28 and retaining the spark plug in the wrench. Holding action for the spark plug is therefore provided by the fingers bending and radially expanding into the clearance space 28.
In removing the spark plug from the wrench, or in removing the wrench from an installed spark plug, all that is necessary is a pull in the axial direction to slide the insulator portion out of the sleeve, the fingers returning to the position illustrated in Figure 2.
I claim:
A spark-plug socket wrench having a plug-receiving bore therein, a nylon sleeve receivable in said bore, one end of said sleeve being of slightly larger outside diameter than said bore for frictionally retaining said sleeve in said bore, a plurality of fingers formed in the other end of said sleeve, the outside diameter of said fingers being less than the diameter of said bore, and inwardly extending projections formed on the inside of said fingers for receiving and retaining a spark plug at its insulator portion, said fingers bending outwardly within said socketwrench bore as a spark plug is inserted therein.
References Cited in the file of this patent 'UNITED STATES PATENTS Re. 23,885 Hubbard Oct. 5, 1954 2,294,193 Merrirnan Aug. 25, 1942 2,304,271 Mern'man et a1 Dec. 8, 1942 2,752,811 Wenchel July 3, 1956 2,778,664 Herbenar Jan. 22, 1957 2,832,245 Burrows Apr. 29, 1958 FOREIGN PATENTS 491,141 Italy Feb. 24, 1954
US721517A 1958-03-14 1958-03-14 Spark-plug socket wrench Expired - Lifetime US2956462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US721517A US2956462A (en) 1958-03-14 1958-03-14 Spark-plug socket wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US721517A US2956462A (en) 1958-03-14 1958-03-14 Spark-plug socket wrench

Publications (1)

Publication Number Publication Date
US2956462A true US2956462A (en) 1960-10-18

Family

ID=24898296

Family Applications (1)

Application Number Title Priority Date Filing Date
US721517A Expired - Lifetime US2956462A (en) 1958-03-14 1958-03-14 Spark-plug socket wrench

Country Status (1)

Country Link
US (1) US2956462A (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834253A (en) * 1972-06-08 1974-09-10 H Carr Keeper for socket wrenches
US3835737A (en) * 1971-10-08 1974-09-17 H Carr Keeper for socket wrenches
US3837244A (en) * 1973-09-17 1974-09-24 E Schera Tubular socket wrench for engaging and rotating threaded members
US3869945A (en) * 1972-08-22 1975-03-11 Hermann Jochen Zerver Socket wrench head for spark plugs
US4006653A (en) * 1975-09-22 1977-02-08 Allen-Bradley Company Lamp inserting and extracting tool
US4095324A (en) * 1975-06-06 1978-06-20 William Lawson Handheld valve replacement tool
DE3043747A1 (en) * 1980-11-20 1982-07-08 Heyco-Werk Heynen Gmbh & Co Kg, 5630 Remscheid Ignition plug holder assembly - has insert with radially expanding elastic fingers and two positioning projections engaging with box spanner penetrations
US4493575A (en) * 1981-12-17 1985-01-15 Otto Mutschler Releasable protective holder for a writing implement
US4964330A (en) * 1989-10-10 1990-10-23 Swinney Gary D Oil filter accessory
US5074173A (en) * 1990-09-28 1991-12-24 Cearley C Dewayne Spark plug tool
WO1994019155A1 (en) * 1993-02-19 1994-09-01 Gustav Nasiell Threading initiation tool and method
USD385761S (en) * 1996-03-04 1997-11-04 Earl William Nave Toilet seat tightening tool
US5782148A (en) * 1996-03-25 1998-07-21 Kerkhoven; Edward Dual depth socket
US20030110903A1 (en) * 2001-12-18 2003-06-19 Creek James M. Insert for socket wrench
US6609281B2 (en) 2001-09-04 2003-08-26 John T. Morrison Hand tool for brake shoe spring-retaining cup
US20060104743A1 (en) * 2004-09-30 2006-05-18 Illinois Tool Works, Inc. Flute positioner
US20090211408A1 (en) * 2008-02-27 2009-08-27 Chia Hui Peng Spark plug socket wrench
US20130213191A1 (en) * 2012-02-17 2013-08-22 Milwaukee Electric Tool Corporation Fastener driver hand tool
US20140182422A1 (en) * 2012-12-28 2014-07-03 Lisle Corporation Spark Plug Installation Tool
US8806984B1 (en) * 2010-04-26 2014-08-19 Mark Bell Lamp changers
CN104526639A (en) * 2014-12-02 2015-04-22 浙江吉利汽车研究院有限公司 Inserting and drawing tool for sensor
US9174327B1 (en) 2014-11-07 2015-11-03 Arthur E Christensen Socket assembly
US20160238798A1 (en) * 2013-10-07 2016-08-18 Ac Optomechanix Receiving Device and Method for Manufacturing Such a Receiving Device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294193A (en) * 1940-06-10 1942-08-25 Mechanics Engineering Company Wrench for spark plugs and the like
US2304271A (en) * 1940-09-09 1942-12-08 Mechanics Engineering Company Wrench for spark plugs and the like
USRE23885E (en) * 1954-10-05 Insulator supporting pin and cob
US2752811A (en) * 1954-01-25 1956-07-03 Louis F Wenchel Socket-wrench insert for installing and removing spark plugs
US2778664A (en) * 1954-07-06 1957-01-22 Thompson Prod Inc Permanently lubricated resilient connector for steering linkages
US2832245A (en) * 1956-02-15 1958-04-29 Burrows Allen Sponge-rubber liner for socket wrench

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23885E (en) * 1954-10-05 Insulator supporting pin and cob
US2294193A (en) * 1940-06-10 1942-08-25 Mechanics Engineering Company Wrench for spark plugs and the like
US2304271A (en) * 1940-09-09 1942-12-08 Mechanics Engineering Company Wrench for spark plugs and the like
US2752811A (en) * 1954-01-25 1956-07-03 Louis F Wenchel Socket-wrench insert for installing and removing spark plugs
US2778664A (en) * 1954-07-06 1957-01-22 Thompson Prod Inc Permanently lubricated resilient connector for steering linkages
US2832245A (en) * 1956-02-15 1958-04-29 Burrows Allen Sponge-rubber liner for socket wrench

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835737A (en) * 1971-10-08 1974-09-17 H Carr Keeper for socket wrenches
US3834253A (en) * 1972-06-08 1974-09-10 H Carr Keeper for socket wrenches
US3869945A (en) * 1972-08-22 1975-03-11 Hermann Jochen Zerver Socket wrench head for spark plugs
US3837244A (en) * 1973-09-17 1974-09-24 E Schera Tubular socket wrench for engaging and rotating threaded members
US4095324A (en) * 1975-06-06 1978-06-20 William Lawson Handheld valve replacement tool
US4006653A (en) * 1975-09-22 1977-02-08 Allen-Bradley Company Lamp inserting and extracting tool
DE3043747A1 (en) * 1980-11-20 1982-07-08 Heyco-Werk Heynen Gmbh & Co Kg, 5630 Remscheid Ignition plug holder assembly - has insert with radially expanding elastic fingers and two positioning projections engaging with box spanner penetrations
US4493575A (en) * 1981-12-17 1985-01-15 Otto Mutschler Releasable protective holder for a writing implement
US4964330A (en) * 1989-10-10 1990-10-23 Swinney Gary D Oil filter accessory
US5074173A (en) * 1990-09-28 1991-12-24 Cearley C Dewayne Spark plug tool
WO1994019155A1 (en) * 1993-02-19 1994-09-01 Gustav Nasiell Threading initiation tool and method
USD385761S (en) * 1996-03-04 1997-11-04 Earl William Nave Toilet seat tightening tool
US5782148A (en) * 1996-03-25 1998-07-21 Kerkhoven; Edward Dual depth socket
US6609281B2 (en) 2001-09-04 2003-08-26 John T. Morrison Hand tool for brake shoe spring-retaining cup
US20030110903A1 (en) * 2001-12-18 2003-06-19 Creek James M. Insert for socket wrench
US20060104743A1 (en) * 2004-09-30 2006-05-18 Illinois Tool Works, Inc. Flute positioner
US20090211408A1 (en) * 2008-02-27 2009-08-27 Chia Hui Peng Spark plug socket wrench
US8806984B1 (en) * 2010-04-26 2014-08-19 Mark Bell Lamp changers
US20130213191A1 (en) * 2012-02-17 2013-08-22 Milwaukee Electric Tool Corporation Fastener driver hand tool
US20140182422A1 (en) * 2012-12-28 2014-07-03 Lisle Corporation Spark Plug Installation Tool
US20160238798A1 (en) * 2013-10-07 2016-08-18 Ac Optomechanix Receiving Device and Method for Manufacturing Such a Receiving Device
US9772456B2 (en) * 2013-10-07 2017-09-26 Ac Optomechanix Receiving device and method for manufacturing such a receiving device
US9174327B1 (en) 2014-11-07 2015-11-03 Arthur E Christensen Socket assembly
CN104526639A (en) * 2014-12-02 2015-04-22 浙江吉利汽车研究院有限公司 Inserting and drawing tool for sensor
CN104526639B (en) * 2014-12-02 2017-06-06 宝鸡吉利汽车部件有限公司 Sensor plug-pull tool

Similar Documents

Publication Publication Date Title
US2956462A (en) Spark-plug socket wrench
US3086414A (en) Combination wrench
US2832245A (en) Sponge-rubber liner for socket wrench
US4563119A (en) Hook cutout for tangless helically coiled insert
US5074172A (en) Spark plug socket wrench
US2235774A (en) Cleat device
US2128040A (en) Cable connecter for outlet boxes
US2752811A (en) Socket-wrench insert for installing and removing spark plugs
US2304271A (en) Wrench for spark plugs and the like
US5361654A (en) Gripping hand tool
US3680159A (en) Spark plug wrench
US3835737A (en) Keeper for socket wrenches
US5924343A (en) Box spanner with a device for retaining the object to be turned
US2022946A (en) Bolt lock
US2430543A (en) Fastening device
US3027790A (en) Adapter for nuts, bolts, wrenches and the like
US7926156B2 (en) Valve keeper installation tool
US3056899A (en) Spark plug adapter
US2217978A (en) Straight line connector
US2954495A (en) Insulator electrode assembly for spark plugs and method of forming the same
US2659876A (en) Indentable jack-type connector
US3397602A (en) Holding tool for starting sparkplugs
US2660080A (en) Internal wrench with fastener retention means
US2652043A (en) Spark plug
US2589935A (en) Spark plug installing and removing tool