MY164227A - Driving recess of screw - Google Patents

Driving recess of screw

Info

Publication number
MY164227A
MY164227A MYPI2012700759A MYPI2012700759A MY164227A MY 164227 A MY164227 A MY 164227A MY PI2012700759 A MYPI2012700759 A MY PI2012700759A MY PI2012700759 A MYPI2012700759 A MY PI2012700759A MY 164227 A MY164227 A MY 164227A
Authority
MY
Malaysia
Prior art keywords
screw
side walls
driver bit
engagement groove
crisscross
Prior art date
Application number
MYPI2012700759A
Inventor
Singo Torii
Toshimasa Toyooka
Original Assignee
Nitto Seiko Kk
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 Nitto Seiko Kk filed Critical Nitto Seiko Kk
Publication of MY164227A publication Critical patent/MY164227A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped

Landscapes

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

Abstract

PROVIDED IS A SHAPE OF A DRIVING RECESS, WHICH CAN MAINTAIN AN APPEARANCE OF A COATED SCREW WHEN TIGHTENING THE SCREW BY A DRIVER BIT. IN A CRISSCROSS SCREW DRIVING RECESS (2) TO BE ENGAGED WITH A DRIVER BIT (30), STEPPED SIDE WALLS (20) ARE FORMED ON SURFACES OF HEADS OF BOTH SIDE WALLS DEFINING AN ENGAGEMENT GROOVE (10) EXTENDING FROM THE CENTER IN A CRISSCROSS DIRECTION SUCH THAT THE STEPPED SIDE WALLS HAVE A WIDE GAP (L) THEREBETWEEN, AND PLANAR ENGAGEMENT SIDE WALLS (11) HAVING A WIDTH SIMILAR TO THAT OF A NORMAL CRISSCROSS ENGAGEMENT GROOVE (10) ARE FORMED ON A BOTTOM SURFACE OF THE ENGAGEMENT GROOVE (10). THE STEPPED SIDE WALLS (20) ARE INTEGRALLY CONNECTED TO THE PLANAR ENGAGEMENT SIDE WALLS (11). THUS, SINCE THE DRIVER BIT DOES NOT ACT ON THE ENGAGEMENT GROOVE ON THE VICINITY OF THE HEAD SURFACE EVEN WHEN THE DRIVER BIT IS ENGAGED TO TIGHTEN THE SCREW, THE HEAD SURFACE HARDLY DEFORMS, AND THE COATING IS NOT PEELED OR DETACHED AND THEREFORE, THE APPEARANCE OF A PRODUCT ASSEMBLED BY THE SCREW IS COMPLETELY PREVENTED FROM BEING SPOILED. (FIG. 1)
MYPI2012700759A 2010-04-16 2010-09-24 Driving recess of screw MY164227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010095334A JP5060582B2 (en) 2010-04-16 2010-04-16 Screw hole drive hole

Publications (1)

Publication Number Publication Date
MY164227A true MY164227A (en) 2017-11-30

Family

ID=44798416

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012700759A MY164227A (en) 2010-04-16 2010-09-24 Driving recess of screw

Country Status (4)

Country Link
JP (1) JP5060582B2 (en)
CN (1) CN102859212B (en)
MY (1) MY164227A (en)
WO (1) WO2011129026A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014102959A1 (en) * 2012-12-27 2014-07-03 日東精工株式会社 Cross recess for screw
JP2015001241A (en) * 2013-06-13 2015-01-05 株式会社ユニオン精密 Screw
JP6428036B2 (en) * 2014-08-12 2018-11-28 富士電機機器制御株式会社 Electrical equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61114113U (en) * 1984-12-28 1986-07-18
US6223634B1 (en) * 1997-10-03 2001-05-01 Phillips Screw Company Recessed head fastener and driver systems
JP4197546B2 (en) * 1998-02-24 2008-12-17 勝行 戸津 Combination with screw and driver bit
KR100563626B1 (en) * 1998-02-24 2006-03-22 카츠유키 토츠 Screw and its combination with screwdriver bit
JP2006090456A (en) * 2004-09-24 2006-04-06 Nitto Seiko Co Ltd Screw with driving hole

Also Published As

Publication number Publication date
CN102859212A (en) 2013-01-02
CN102859212B (en) 2014-07-30
JP2011226520A (en) 2011-11-10
WO2011129026A1 (en) 2011-10-20
JP5060582B2 (en) 2012-10-31

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