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GB2271522B - Power tool with control means responsive to reaction torque - Google Patents

Power tool with control means responsive to reaction torque

Info

Publication number
GB2271522B
GB2271522B GB9221141A GB9221141A GB2271522B GB 2271522 B GB2271522 B GB 2271522B GB 9221141 A GB9221141 A GB 9221141A GB 9221141 A GB9221141 A GB 9221141A GB 2271522 B GB2271522 B GB 2271522B
Authority
GB
United Kingdom
Prior art keywords
control means
power tool
means responsive
reaction torque
torque
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 - Fee Related
Application number
GB9221141A
Other versions
GB2271522A (en
GB9221141D0 (en
Inventor
Stephen Mackay
Kevin William Myhill
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.)
Air Compressors and Tools Ltd
Original Assignee
Desoutter Ltd
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 Desoutter Ltd filed Critical Desoutter Ltd
Priority to GB9221141A priority Critical patent/GB2271522B/en
Publication of GB9221141D0 publication Critical patent/GB9221141D0/en
Publication of GB2271522A publication Critical patent/GB2271522A/en
Application granted granted Critical
Publication of GB2271522B publication Critical patent/GB2271522B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/048—Means for indicating condition of the switching device containing non-mechanical switch position sensor, e.g. HALL sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
GB9221141A 1992-10-08 1992-10-08 Power tool with control means responsive to reaction torque Expired - Fee Related GB2271522B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9221141A GB2271522B (en) 1992-10-08 1992-10-08 Power tool with control means responsive to reaction torque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9221141A GB2271522B (en) 1992-10-08 1992-10-08 Power tool with control means responsive to reaction torque

Publications (3)

Publication Number Publication Date
GB9221141D0 GB9221141D0 (en) 1992-11-25
GB2271522A GB2271522A (en) 1994-04-20
GB2271522B true GB2271522B (en) 1995-03-29

Family

ID=10723137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9221141A Expired - Fee Related GB2271522B (en) 1992-10-08 1992-10-08 Power tool with control means responsive to reaction torque

Country Status (1)

Country Link
GB (1) GB2271522B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19737234B4 (en) * 1997-08-27 2004-03-11 Scintilla Ag Tools, especially cordless screwdrivers
BE1014050A3 (en) * 2001-03-13 2003-03-04 Cobhra Ind Bvba Mechanical device for applying an attachment element such as a bolt or screw.
SE532613C2 (en) * 2008-10-22 2010-03-02 Atlas Copco Tools Ab Nut wrench with a motion indicator for a variable torque dependent element in the power transmission
DE102012204172A1 (en) 2012-03-16 2013-09-19 Robert Bosch Gmbh Hand tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2002665A (en) * 1977-07-07 1979-02-28 Totsu K Electrically driven fastening appliance
GB2096510A (en) * 1981-04-13 1982-10-20 Desoutter Ltd A motor driven power tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2002665A (en) * 1977-07-07 1979-02-28 Totsu K Electrically driven fastening appliance
GB2096510A (en) * 1981-04-13 1982-10-20 Desoutter Ltd A motor driven power tool

Also Published As

Publication number Publication date
GB2271522A (en) 1994-04-20
GB9221141D0 (en) 1992-11-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961008