GB1230539A - - Google Patents

Info

Publication number
GB1230539A
GB1230539A GB1230539DA GB1230539A GB 1230539 A GB1230539 A GB 1230539A GB 1230539D A GB1230539D A GB 1230539DA GB 1230539 A GB1230539 A GB 1230539A
Authority
GB
United Kingdom
Prior art keywords
anvil
dog
cam
ball
hammer
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
Application number
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 filed Critical
Publication of GB1230539A publication Critical patent/GB1230539A/en
Expired 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/026—Impact clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Gripping On Spindles (AREA)

Abstract

1,230,539. Impact wrenches. ATLAS COPCO A.B. 17 Sept., 1969 [24 Sept., 1968], No. 45759/69. Heading B3N. An impact wrench comprises an anvil 19, Figs. 1, 2, a rotatable hammer 24, and a clutch dog 33, non-rotatably, but axially fixed, to the anvil member, the dog having a cam 37 slidable in a recess 35 in the anvil, and engageable with impact faces 45, 46 on the hammer, and a face cam 40 which co-operates with a ball 29. In a modification, sleeve shaped dog 48, Fig. 9, has three cams 49, and is splined to anvil 19. In a further modification, sleeve shaped dog 48, Fig. 10, is guided on a spacing sleeve 60 mounted on a spigot 55. In operation, a reversible pneumatic motor drives shaft 17, Fig. 1, which drive is transmitted to anvil 19, by ball and cam 29, 40, and dog 33. When the workpiece is screwed down, anvil 19 and dog 33 are retarded; hammer 24 continues to rotate, ball 29 co-operates with cam 40 to move dog 33 to the left, Fig. 1, against springs 42, whereupon cam 37 and co-operating face 45 or 46 produces rotary impacts to anvil 19.
GB1230539D 1968-09-24 1969-09-17 Expired GB1230539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE12892/68A SE320334B (en) 1968-09-24 1968-09-24

Publications (1)

Publication Number Publication Date
GB1230539A true GB1230539A (en) 1971-05-05

Family

ID=20296477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230539D Expired GB1230539A (en) 1968-09-24 1969-09-17

Country Status (7)

Country Link
US (1) US3610344A (en)
CA (1) CA926325A (en)
DE (1) DE1947215A1 (en)
FR (1) FR2018753A1 (en)
GB (1) GB1230539A (en)
NL (1) NL6914405A (en)
SE (1) SE320334B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2443171A (en) * 2006-10-25 2008-04-30 Stephen John Mason A device for coupling a socket spanner to a power drive source

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE357152B (en) * 1971-04-07 1973-06-18 Atlas Copco Ab
US3804180A (en) * 1972-07-07 1974-04-16 M Gelfand Impact wrench
US3952814A (en) * 1975-03-14 1976-04-27 Mikhail Lvovich Gelfand Impact wrench
SU810474A1 (en) * 1977-11-21 1981-03-07 Всесоюзный Научно-Исследовательскийи Проектно-Конструкторский Институтмеханизированного И Ручногостроительно-Монтажного Инструмента,Вибраторов И Строительно-Отделочныхмашин Pneumatic impact nut-driver
JPS6347495A (en) * 1986-08-18 1988-02-29 株式会社リツト Air shock tool
US5836403A (en) * 1996-10-31 1998-11-17 Snap-On Technologies, Inc. Reversible high impact mechanism
US6003618A (en) * 1997-07-29 1999-12-21 Chicago Pneumatic Tool Company Twin lobe impact mechanism
DE19833943C2 (en) * 1998-07-28 2000-07-13 Rodcraft Pneumatic Tools Gmbh Impact wrench
US6158526A (en) * 1999-03-09 2000-12-12 Snap-On Tools Company Reversible impact mechanism with structure limiting hammer travel
US7207393B2 (en) * 2004-12-02 2007-04-24 Eastway Fair Company Ltd. Stepped drive shaft for a power tool
US20060225903A1 (en) * 2005-04-07 2006-10-12 Sterling Robert E Rotary impact tool, shock attenuating coupling device for a rotary impact tool, and rotary impact attenuating device
US7438140B2 (en) * 2006-01-27 2008-10-21 Exhaust Technologies, Inc. Shock attenuating device for a rotary impact tool
WO2009137684A1 (en) * 2008-05-07 2009-11-12 Milwaukee Electric Tool Corporation Drive assembly for a power tool
WO2012061176A2 (en) 2010-11-04 2012-05-10 Milwaukee Electric Tool Corporation Impact tool with adjustable clutch
US9308636B2 (en) 2012-02-03 2016-04-12 Milwaukee Electric Tool Corporation Rotary hammer with vibration dampening
GB201421577D0 (en) * 2014-12-04 2015-01-21 Black & Decker Inc Drill
GB201421576D0 (en) 2014-12-04 2015-01-21 Black & Decker Inc Drill

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850128A (en) * 1952-08-01 1958-09-02 Rotor Tool Company Rotary impact clutch
US2881884A (en) * 1955-01-12 1959-04-14 Chicago Pneumatic Tool Co Impact clutch
US3001429A (en) * 1959-04-16 1961-09-26 Master Power Corp Rotary impact wrench
US3001428A (en) * 1960-02-23 1961-09-26 Master Power Corp Rotary impact wrench
US3174597A (en) * 1961-12-19 1965-03-23 Chicago Pneumatic Tool Co Impact clutch
US3389756A (en) * 1965-08-09 1968-06-25 Kawamoto Mitsugi Impact wrench
US3414065A (en) * 1967-04-26 1968-12-03 Rockwell Mfg Co Rotary impact tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2443171A (en) * 2006-10-25 2008-04-30 Stephen John Mason A device for coupling a socket spanner to a power drive source

Also Published As

Publication number Publication date
US3610344A (en) 1971-10-05
CA926325A (en) 1973-05-15
FR2018753A1 (en) 1970-06-26
NL6914405A (en) 1970-03-26
SE320334B (en) 1970-02-02
DE1947215A1 (en) 1970-06-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]