ZA988899B - Ratchet wrench head - Google Patents

Ratchet wrench head

Info

Publication number
ZA988899B
ZA988899B ZA988899A ZA988899A ZA988899B ZA 988899 B ZA988899 B ZA 988899B ZA 988899 A ZA988899 A ZA 988899A ZA 988899 A ZA988899 A ZA 988899A ZA 988899 B ZA988899 B ZA 988899B
Authority
ZA
South Africa
Prior art keywords
ratchet wrench
wrench head
head
ratchet
wrench
Prior art date
Application number
ZA988899A
Other languages
English (en)
Inventor
David A Giardino
Original Assignee
Chicago Pneumatic Tool 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 Chicago Pneumatic Tool Co filed Critical Chicago Pneumatic Tool Co
Publication of ZA988899B publication Critical patent/ZA988899B/xx

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
    • B25B13/46—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
    • B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
    • B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
    • 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet 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
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
    • B25B13/465—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an internally toothed ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Mechanical Operated Clutches (AREA)
  • Springs (AREA)
  • Gripping On Spindles (AREA)
ZA988899A 1997-10-09 1998-09-30 Ratchet wrench head ZA988899B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/947,928 US5896789A (en) 1997-10-09 1997-10-09 Ratchet wrench head

Publications (1)

Publication Number Publication Date
ZA988899B true ZA988899B (en) 1999-06-10

Family

ID=25487001

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA988899A ZA988899B (en) 1997-10-09 1998-09-30 Ratchet wrench head

Country Status (9)

Country Link
US (1) US5896789A (xx)
EP (1) EP0908273A3 (xx)
JP (1) JPH11188652A (xx)
KR (1) KR19990036974A (xx)
CN (1) CN1214292A (xx)
BR (1) BR9803495A (xx)
CA (1) CA2248091C (xx)
TW (1) TW390828B (xx)
ZA (1) ZA988899B (xx)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6234049B1 (en) * 1999-12-29 2001-05-22 De-Cheng Ju Tool having a swing head rotatable within a small space
US6663602B2 (en) 2000-06-16 2003-12-16 Novo Nordisk A/S Injection device
US6330842B1 (en) 2000-06-26 2001-12-18 Kevin Brun Compact head power driven ratchet tool
JP4629202B2 (ja) * 2000-09-07 2011-02-09 株式会社信濃製作所 ラチェットレンチ
EP1213096A1 (en) * 2000-12-06 2002-06-12 S.P. Air Kabusiki Kaisha Power-driven ratchet
US6860174B2 (en) 2000-12-06 2005-03-01 S.P. Air Kabusiki Kaisha Hand-held power tool
KR100480356B1 (ko) * 2000-12-13 2005-04-06 주식회사 포스코 리징성이 우수한 페라이트계 스테인레스강의 제조방법
US6490953B2 (en) 2001-04-12 2002-12-10 Mechanics Custom Tools Corp. Externally captured ratchet head and housing assembly
US6739221B2 (en) * 2002-10-10 2004-05-25 Sun B. Cha Power driven wrench
JP2004160623A (ja) * 2002-11-15 2004-06-10 Kr Kogyo Kk ラチェットレンチ
TW577504U (en) * 2002-11-27 2004-02-21 Bekaltek Sdn Bhd Mounting assembly for container valve shut-off device
JP2004195577A (ja) * 2002-12-17 2004-07-15 Kr Kogyo Kk ラチェットレンチ
JP4378126B2 (ja) * 2003-07-18 2009-12-02 株式会社ケーティーエス ラチェットレンチ及びその組立て方法
US6923095B2 (en) * 2003-09-19 2005-08-02 Mechanics Custom Tools Corporation Tensionless power ratchet wrench assembly
US20070186729A1 (en) * 2004-06-28 2007-08-16 David Baker Flush Socket Power Ratchet Tool System
US7686786B2 (en) 2004-10-21 2010-03-30 Novo Nordiks A/S Dial-down mechanism for wind-up pen
WO2007134954A1 (en) 2006-05-18 2007-11-29 Novo Nordisk A/S An injection device with mode locking means
JP2009538386A (ja) 2006-05-25 2009-11-05 モメンタ ファーマシューティカルズ インコーポレイテッド 低分子量ヘパリン組成物およびその使用
WO2008063879A1 (en) * 2006-11-20 2008-05-29 Borgwarner Inc. Pivoting arm tensioner with rotating ratchet mechanism
KR100857681B1 (ko) * 2006-12-28 2008-09-08 주식회사 포스코 리징 특성이 개선된 페라이트계 스테인리스강 제조방법
US7793568B2 (en) * 2008-07-16 2010-09-14 Nmtc, Inc. Ratchet mechanism
EP2373361B1 (en) * 2008-10-24 2012-09-12 Novo Nordisk A/S Dial-down mechanism for wind-up pen
US8051746B2 (en) * 2009-06-30 2011-11-08 Ingersoll Rand Company Ratchet wrench with collar-actuated reversing mechanism
US9120213B2 (en) 2011-01-21 2015-09-01 Milwaukee Electric Tool Corporation Powered ratchet wrench
CN103998077B (zh) 2011-12-29 2017-05-31 诺沃—诺迪斯克有限公司 具有向上拨动/向下拨动定量机构的基于扭力弹簧的卷紧自动注射器笔
US20140060258A1 (en) * 2012-09-06 2014-03-06 Stuart C. Anders Ratcheted wrench hand tool
TWM473899U (zh) * 2013-11-15 2014-03-11 Zhu-Cun Chen 定扭力之扭力扳手
CN106272193A (zh) * 2016-09-30 2017-01-04 南通天茂机械制造有限公司 一种正空反转向机构
US12076839B2 (en) * 2018-12-24 2024-09-03 Js Products, Inc. Power ratchet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346630A (en) * 1979-12-17 1982-08-31 Rodac Pneumatic Tools Ratchet wrench
US4722252A (en) * 1987-03-02 1988-02-02 Fulcher William A Power driven wrench
US4791836A (en) * 1987-04-01 1988-12-20 Chicago Pneumatic Tool Company Ratchet mechanism
US4766784A (en) * 1988-01-13 1988-08-30 Ban Lai Pneumatic tool with a replaceable tool bit turning screws and nuts
US5142952A (en) * 1990-05-21 1992-09-01 Snap-On Tools Corporation Ratchet tool
US5584220A (en) * 1994-03-01 1996-12-17 Darrah; Scott A. Angle attachment tool

Also Published As

Publication number Publication date
US5896789A (en) 1999-04-27
KR19990036974A (ko) 1999-05-25
JPH11188652A (ja) 1999-07-13
EP0908273A3 (en) 2000-03-22
CN1214292A (zh) 1999-04-21
BR9803495A (pt) 1999-10-26
EP0908273A2 (en) 1999-04-14
CA2248091C (en) 2007-12-18
TW390828B (en) 2000-05-21
CA2248091A1 (en) 1999-04-09

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