US3869945A - Socket wrench head for spark plugs - Google Patents

Socket wrench head for spark plugs Download PDF

Info

Publication number
US3869945A
US3869945A US389652A US38965273A US3869945A US 3869945 A US3869945 A US 3869945A US 389652 A US389652 A US 389652A US 38965273 A US38965273 A US 38965273A US 3869945 A US3869945 A US 3869945A
Authority
US
United States
Prior art keywords
end portion
wrench head
shank
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
US389652A
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English (en)
Inventor
Hermann Jochen Zerver
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
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Application granted granted Critical
Publication of US3869945A publication Critical patent/US3869945A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • ABSTRACT [30] Foreign Application Priority Data
  • a socket wrench head for spark plugs which has a Aug. 22, 1972 Germany 7230979 built-in permanent magnet for holding the Spark P
  • a guide sleeve having a bore is inserted in the shank [52] US. Cl. 81/125 Of h ke wren h head for receiving the terminal [51] Int. Cl B25b 13/06, B25b 13/48 of the Spark plug.
  • the bore may be a multi-step bore [58] Field of Search 81 124.1, 125 to r ive ifferently shaped terminals, and the guide sleeve may be displaceable against the force of a com- [56] References Cit d pression spring to receive these differently shaped ter- UNITED STATES PATENTS l2/l925 Michel .1 8l/l24.l
  • the present inventon relates to a socket wrench head for spark plugs, which head has a built-in permanent magnet for holding the spark plugs.
  • socket wrench heads are known. They have proved particularly helpful where the spark plugs of an internal combustion engine are not very well accessible, since the spark plugs are prevented by the built-in permanent magnet from falling out of the socket wrench head not only while being screwed out, but also while they are being screwed in.
  • a drawback of the heretofore known socket wrench heads for spark plugs is that especially the insulators of the spark plugs may be damaged if the socket wrench head is obliquely inserted upon the spark plugs or if it becomes tilted while being operated.
  • an object of the present invention to prevent a tilting or oblique insertion of the socket wrench head.
  • FIG. 1 is a side view of the socket wrench head according to the invention.
  • FIG. 2 is a longitudinal section through the socket wrench head according to the invention.
  • FIG. 3 shows a bottom view of the socket wrench head according to the invention, in which, for clarity purposes, all inserts have been omitted.
  • FIG. 4 shows a top view of the socket wrench head according to the invention, again without inserts.
  • FIG. 5 is a longitudinal section through the permanent magnet receiving and holding support piece of the socket wrench head according to the invention.
  • FIG. 6 is top view of the support piece of FIG. 5.
  • FIG. 7 shows a section similar to that of FIG. 2, but with a spark plug engaged by the wrench.
  • FIG. 8 shows a longitudinal section through a second specific embodiment of the socket wrench head ac cording to the invention.
  • FIG. 9 is a longitudinal section through the slidable guiding sleeve shown in FIG. 8.
  • FIG. 10 is an enlargement of FIG. 8, with a spark plug engaged by the wrench.
  • FIG. 11 corresponds to FIG. 10, except that the terminal of the spark plug has an attachment cap.
  • the socket wrench head according to the present invention is characterized primarily in that a guiding sleeve is inserted in that shank portion of the socket wrench head which receives the insulator of the spark plug.
  • the guiding sleeve is provided with a bore for receiving the terminal of the spark plug.
  • the guide sleeve which is preferably made out of synthetic material and is inserted into the shank of the socket wrench head.
  • the bore of the guide sleeve is, according to a further embodiment of the invention, provided with at least two steps, and the guide sleeve is mounted in the shank of the socket wrench head so as to be displaceable against the force of a compression spring.
  • the socket wrench head according to the invention for spark plugs having standard terminals, the latter engages that step of the multi-step bore which has the smallest diameter. If on the other hand the socket wrench head is used for spark plugs the terminals of which have an attachment cap, the latter engages that bore step which has the larger diameter.
  • the compression spring is spirally shaped and is arranged between an annular flange of the guiding sleeve and an abutment surface of the shank.
  • the socket wrench head is characterized by a stepped bore, both ends ofwhich are an inner square and an inner hexagon respectively, the permanent magnet being inserted in the upper portion of the hexagonal bore and the guiding sleeve being inserted in the cylindrical middle portion thereof.
  • the permanent magnet is in the form of a ring and is inserted into a mounting piece which has an outer hexagonal configuration and which is pressed into the hexagonal space of the socket wrench head, which serves as the wrench face for the hexagonal portion of the spark plugs.
  • the socket wrench head 1 which has a tubular housing, the middle section of which forms a cylindrical shank 1a.
  • the multi-step bore 1b (FIG. 2) of the socket wrench head 1 is formed at its lower end as an inner square 10 (FIG. 3) in order to be able to operate the socket wrench head 1 by means of, for example, the square end of a ratchet wrench.
  • the lower end ofthe socket wrench head I has an inner hexagonal surface 1d (FIG. 4), which is to be placed upon the hexagonal head of the spark plug 5 as shown in FIG. 7.
  • a transverse bore 1f (FIG. 1) is provided in the upper region of the socket wrench head 1, which regionis additionally provided with an outer hexagonal surface 1e, so that a fixed spanner or ring spanner box end wrench may be used to turn the socket wrench head 1.
  • a guiding sleeve 2 (FIG. 2) of synthetic material is inserted into the cylindrical shank 1a of the socket wrench head 1.
  • the guiding sleeve 2 is provided with a bore 20 for receiving the terminal 512 (FIG. 7) which protrudes from the insulator 5a of the spark plug 5.
  • the spark plug is exactly or accurately guided by the guiding sleeve 2 within the socket wrench head 1 by means of its terminal 5b, so that not only an oblique insertion of the socket wrench head 1, but also a tilting of the spark plug 5 within the socket wrench head 1 is made impossible.
  • a permanent magnet 4 (FIG. 2) inserted in the inner region of the hexagonal portion 1d, is designed as a ring or collar, and is arranged in a mounting piece 3.
  • FIGS. 5 and 6 in particular show the constuction of the mounting piece 3, which has a cylindrical bore to receive the permanent magnet 4 and which has an outer hexagonal contour which fits into the inner hexagonal portion 1d of the socket wrench head 1.
  • the continuous bore 2a of the guide sleeve 2 of FIGS. 2 and 7 is replaced with a twostep bore.
  • the bore step 2b has the smaller diameter to receive the terminal 5b (FIG. 10)
  • the bore step 2c has the larger diameter to receive an attachment cap 5c (FIG. 11) which is on the terminal 5b.
  • the guiding sleeve 2 is displaceably mounted in the shank 1a of the socket wrench head 1.
  • a spiral-shaped compression spring 6 is arranged between an annular flange 2d of the guiding sleeve 2 and an abutment surface or shoulder 1d of the shank la.
  • the spark plug 5 is guided within the socket wrench head 1 by inserting the terminal 5b into the bore step 2! of guiding sleeve 2. This is illustrated in FIG. 10 showing the accurate guidance of the spark plug 5 within the socket wrench head 1.
  • the socket wrench head I can be used unchanged.
  • the attachment cap 50 which enters the bore step 20', pushes the guiding sleeve 2 towards the inner square 1c, compressing the compression spring 6.
  • FIG. 11 After the socket wrench head 1 is pulled from the spark plug 5, the compression spring 6 returns the guiding sleeve 2 to a position for receiving spark plugs, so that not only a standard spark plug 5 with an exposed terminal 5b but also a spark plug 5 with an attachment cap 5c may be handled.
  • the guide sleeve 2 can be provided with a stepped bore having more than the two bore steps 2b and 20, for example, if attachment caps 5c having various outer diameters are to be used.
  • any suitable material may be used, for instance nylon or teflon.
  • a socket wrench head for spark plugs with terminals which comprises in combination: a socket wrench head body having a hollow shank, and also having a first end portion for engagement with means for actuating said wrench head body and also having a second end portion axially opposite said first end portion for receiving the spark plug to be handled, said shank being located between said first and second end portions, a guiding sleeve arranged within said shank and having a bore extending in the axial direction of said shank for receiving and embracing only the terminal of a spark plug to be handled by said wrench, and a permanent magnet arranged within said second end portion for holding a spark plug introduced into said second end portion.
  • a socket wrench head for spark plugs with terminals which comprises: a socket wrench head body having a hollow shank, and also having a first end portion for engagement with means for actuating said wrench head body and also having a second end portion axially opposite said first end' portion for receiving the spark plug to be handled, said shank being located between said first and second end portions, a guiding sleeve arranged within said shank and having a bore extending in the axial direction of said shank for receiving the terminal ofa spark plug to be handled by said wrench, and a permanent magnet arranged within said second end portion for holding a spark plug introduced into said second end portion, a compression spring being mounted between said first end portion and said guiding sleeve, and said bore'having at least two steps of different diameters, said guiding sleeve being displaceably mounted in said shank and being movable against the thrust of said compression spring.
  • a socket wrench head in which said shank has a shoulder, and said guiding sleeve has an annular flange, said compression spring being spriallyshaped and interposed between said shoulder and said flange.
  • a socket wrench head in which said first end portion is annular and has its interior wall designed for receiving and fitting a square head ofa wrench, and in which said second end portion is annular and has its inner wall hexagonally shaped in a hexagonal section for receiving a hexagonally shaped portion of a spark plug, the section between said first and second end portions being cylindrical and forming said shank.
  • a socket wrench head according to claim 5. in which said permanent magnet is mounted within the region hexagonal section of said hexagonally shaped inner wall.
  • a socket wrench head which includes a mounting section arranged in said hexagonal section and supporting said permanent magnet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
US389652A 1972-08-22 1973-08-21 Socket wrench head for spark plugs Expired - Lifetime US3869945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7230979 1972-08-22

Publications (1)

Publication Number Publication Date
US3869945A true US3869945A (en) 1975-03-11

Family

ID=6632226

Family Applications (1)

Application Number Title Priority Date Filing Date
US389652A Expired - Lifetime US3869945A (en) 1972-08-22 1973-08-21 Socket wrench head for spark plugs

Country Status (4)

Country Link
US (1) US3869945A (cs)
JP (1) JPS4959396A (cs)
FR (1) FR2196881B1 (cs)
IT (1) IT991098B (cs)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145939A (en) * 1977-06-24 1979-03-27 Garrison Ward S Drain plug holder
US4964319A (en) * 1989-09-15 1990-10-23 Chang Yun Chi Socket wrench device for rotating a spark plug
US5074172A (en) * 1989-11-28 1991-12-24 Fetter Jack E Spark plug socket wrench
US5277088A (en) * 1991-06-03 1994-01-11 Vasichek Richard A Magnetic keeper accessory for wrench sockets
USD353753S (en) 1992-12-14 1994-12-27 Williams Anthony D Magnetic nut holder set
US5542320A (en) * 1995-01-25 1996-08-06 Vasichek Enterprises Llc Magnetic keeper accessory for wrench sockets
EP0827812A1 (en) * 1996-09-06 1998-03-11 UTENSILERIE ASSOCIATE S.p.A. Box spanner with a device for retaining the object to be turned
US5996447A (en) * 1997-12-08 1999-12-07 Bayouth; David Sink wrench
US6006630A (en) * 1997-08-12 1999-12-28 Vasichek Enterprises Llc Magnetic keeper accessory for wrench sockets
US6026717A (en) * 1998-07-23 2000-02-22 Anderson; Wayne Driver tool with high energy magnetizer/demagnetizer on tool handle
US6026718A (en) * 1998-09-28 2000-02-22 Anderson; Wayne High energy magnetizer and selective demagnetizer integral with driver tool or the like
US6032557A (en) * 1998-09-01 2000-03-07 Anderson; Wayne Driver tool kit with high energy magnetizer/demagnetizer on tool handle(s)
US6060801A (en) * 1998-09-28 2000-05-09 Anderson; Wayne High energy magnetizer/demagnetizer for drill housing
US6164168A (en) * 1999-05-11 2000-12-26 Anderson; Wayne Tool magnet holder
US6182537B1 (en) 1998-11-02 2001-02-06 Vasichek Enterprises, Llc Magnetic spark plug keeper accessory for wrench sockets
WO2003026852A1 (en) * 2001-09-27 2003-04-03 Barnett Franklin E Pass through socket and ratchet wrench combination
US20040065176A1 (en) * 2002-10-08 2004-04-08 Jan-Shing Lin Magnetic socket wrench assembly
US20060000319A1 (en) * 2004-07-02 2006-01-05 Spx Corporation Spark plug tool
US20070294884A1 (en) * 2006-06-27 2007-12-27 Riggsby Robert R Stinger cutting guide
USD567605S1 (en) * 2007-07-05 2008-04-29 Hsiang-Chen Yu Hexagonal socket
USD567604S1 (en) * 2007-07-05 2008-04-29 Hsiang-Chen Yu Hexagonal socket
US20090151520A1 (en) * 2006-04-04 2009-06-18 Shyh-Ming Wang Socket for wrenches
US20110314974A1 (en) * 2010-06-24 2011-12-29 Kwang Yang Motor Co., Ltd. Auxiliary tool for assembling and disassembling spark plug
US20150343614A1 (en) * 2014-05-30 2015-12-03 Ben Hassler Spark Plug Tool Device
US20150360349A1 (en) * 2014-06-16 2015-12-17 Dustin Popejoy Bonnet Nut Socket
CN106166719A (zh) * 2016-08-11 2016-11-30 成都弥荣科技发展有限公司 一种适用于装卸多种型号汽车火花塞的双向内六角套筒
CN106272215A (zh) * 2016-08-22 2017-01-04 国网天津市电力公司 一种带电作业用磁性扳手头
TWI616282B (zh) * 2016-05-23 2018-03-01 Peng jia hui Mars plug sleeve
US20180111252A1 (en) * 2016-10-20 2018-04-26 Apex Brands, Inc. Multi-function socket
US20180304448A1 (en) * 2017-04-20 2018-10-25 Hong Ann Tool Industries Co., Ltd. Screw Removal Apparatus
US20200086471A1 (en) * 2018-09-17 2020-03-19 Jose URRUTIA Hammer head and bit holder adapter for many tools
US20230034704A1 (en) * 2021-07-28 2023-02-02 Milwaukee Electric Tool Corporation Spark Plug Socket

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT234745Y1 (it) * 1994-06-14 2000-03-16 Ricco Luigi Di Utensile svitacandele con portacandela di riserva e bussola di prolunga incorporati

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1566760A (en) * 1925-12-22 Socket or speed wrench
US2956462A (en) * 1958-03-14 1960-10-18 Gen Motors Corp Spark-plug socket wrench

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1566760A (en) * 1925-12-22 Socket or speed wrench
US2956462A (en) * 1958-03-14 1960-10-18 Gen Motors Corp Spark-plug socket wrench

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145939A (en) * 1977-06-24 1979-03-27 Garrison Ward S Drain plug holder
US4964319A (en) * 1989-09-15 1990-10-23 Chang Yun Chi Socket wrench device for rotating a spark plug
US5074172A (en) * 1989-11-28 1991-12-24 Fetter Jack E Spark plug socket wrench
US5277088A (en) * 1991-06-03 1994-01-11 Vasichek Richard A Magnetic keeper accessory for wrench sockets
USD353753S (en) 1992-12-14 1994-12-27 Williams Anthony D Magnetic nut holder set
US5542320A (en) * 1995-01-25 1996-08-06 Vasichek Enterprises Llc Magnetic keeper accessory for wrench sockets
EP0827812A1 (en) * 1996-09-06 1998-03-11 UTENSILERIE ASSOCIATE S.p.A. Box spanner with a device for retaining the object to be turned
US5924343A (en) * 1996-09-06 1999-07-20 Utensilerie Associate S.P.A. Box spanner with a device for retaining the object to be turned
US6006630A (en) * 1997-08-12 1999-12-28 Vasichek Enterprises Llc Magnetic keeper accessory for wrench sockets
US5996447A (en) * 1997-12-08 1999-12-07 Bayouth; David Sink wrench
US6026717A (en) * 1998-07-23 2000-02-22 Anderson; Wayne Driver tool with high energy magnetizer/demagnetizer on tool handle
US6032557A (en) * 1998-09-01 2000-03-07 Anderson; Wayne Driver tool kit with high energy magnetizer/demagnetizer on tool handle(s)
US6026718A (en) * 1998-09-28 2000-02-22 Anderson; Wayne High energy magnetizer and selective demagnetizer integral with driver tool or the like
US6060801A (en) * 1998-09-28 2000-05-09 Anderson; Wayne High energy magnetizer/demagnetizer for drill housing
US6182537B1 (en) 1998-11-02 2001-02-06 Vasichek Enterprises, Llc Magnetic spark plug keeper accessory for wrench sockets
US6374709B1 (en) 1998-11-02 2002-04-23 Vasichek Enterprises Llc Magnetic spark plug keeper accessory for wrench sockets
US6164168A (en) * 1999-05-11 2000-12-26 Anderson; Wayne Tool magnet holder
WO2003026852A1 (en) * 2001-09-27 2003-04-03 Barnett Franklin E Pass through socket and ratchet wrench combination
US20040244543A1 (en) * 2001-09-27 2004-12-09 Barnett Franklin Earl Pass through socket and ratchet wrench combination
US7380481B2 (en) 2001-09-27 2008-06-03 Franklin Earl Barnett Pass through socket and ratchet wrench combination
US20040065176A1 (en) * 2002-10-08 2004-04-08 Jan-Shing Lin Magnetic socket wrench assembly
US20060000319A1 (en) * 2004-07-02 2006-01-05 Spx Corporation Spark plug tool
US7104164B2 (en) * 2004-07-02 2006-09-12 Spx Corporation Spark plug tool
US20090151520A1 (en) * 2006-04-04 2009-06-18 Shyh-Ming Wang Socket for wrenches
US7752946B2 (en) * 2006-04-04 2010-07-13 Shyh-Ming Wang Socket for wrenches
US20070294884A1 (en) * 2006-06-27 2007-12-27 Riggsby Robert R Stinger cutting guide
US8800135B2 (en) * 2006-06-27 2014-08-12 Scientific-Atlanta, Inc. Stinger cutting guide
USD567605S1 (en) * 2007-07-05 2008-04-29 Hsiang-Chen Yu Hexagonal socket
USD567604S1 (en) * 2007-07-05 2008-04-29 Hsiang-Chen Yu Hexagonal socket
US20110314974A1 (en) * 2010-06-24 2011-12-29 Kwang Yang Motor Co., Ltd. Auxiliary tool for assembling and disassembling spark plug
US8528450B2 (en) * 2010-06-24 2013-09-10 Kwang Yang Motor Co., Ltd. Auxiliary tool for assembling and disassembling spark plug
US20150343614A1 (en) * 2014-05-30 2015-12-03 Ben Hassler Spark Plug Tool Device
US20150360349A1 (en) * 2014-06-16 2015-12-17 Dustin Popejoy Bonnet Nut Socket
TWI616282B (zh) * 2016-05-23 2018-03-01 Peng jia hui Mars plug sleeve
CN106166719A (zh) * 2016-08-11 2016-11-30 成都弥荣科技发展有限公司 一种适用于装卸多种型号汽车火花塞的双向内六角套筒
CN106272215A (zh) * 2016-08-22 2017-01-04 国网天津市电力公司 一种带电作业用磁性扳手头
US20180111252A1 (en) * 2016-10-20 2018-04-26 Apex Brands, Inc. Multi-function socket
US10675739B2 (en) * 2016-10-20 2020-06-09 Apex Brands, Inc. Multi-function socket
US20180304448A1 (en) * 2017-04-20 2018-10-25 Hong Ann Tool Industries Co., Ltd. Screw Removal Apparatus
US20200086471A1 (en) * 2018-09-17 2020-03-19 Jose URRUTIA Hammer head and bit holder adapter for many tools
US20230034704A1 (en) * 2021-07-28 2023-02-02 Milwaukee Electric Tool Corporation Spark Plug Socket
US12420384B2 (en) * 2021-07-28 2025-09-23 Milwaukee Electric Tool Corporation Spark plug socket

Also Published As

Publication number Publication date
JPS4959396A (cs) 1974-06-08
FR2196881A1 (cs) 1974-03-22
FR2196881B1 (cs) 1977-02-18
IT991098B (it) 1975-07-30

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