EP0149874A3 - An impact wrench - Google Patents

An impact wrench Download PDF

Info

Publication number
EP0149874A3
EP0149874A3 EP84300071A EP84300071A EP0149874A3 EP 0149874 A3 EP0149874 A3 EP 0149874A3 EP 84300071 A EP84300071 A EP 84300071A EP 84300071 A EP84300071 A EP 84300071A EP 0149874 A3 EP0149874 A3 EP 0149874A3
Authority
EP
European Patent Office
Prior art keywords
impact wrench
wrench
impact
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.)
Granted
Application number
EP84300071A
Other versions
EP0149874B1 (en
EP0149874A2 (en
Inventor
Ryoichi Shibata
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.)
Kuken Co Ltd
Original Assignee
Kuken Co 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 Kuken Co Ltd filed Critical Kuken Co Ltd
Priority to EP19840300071 priority Critical patent/EP0149874B1/en
Priority to DE8484300071T priority patent/DE3470010D1/en
Publication of EP0149874A2 publication Critical patent/EP0149874A2/en
Publication of EP0149874A3 publication Critical patent/EP0149874A3/en
Application granted granted Critical
Publication of EP0149874B1 publication Critical patent/EP0149874B1/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)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP19840300071 1984-01-05 1984-01-05 An impact wrench Expired EP0149874B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19840300071 EP0149874B1 (en) 1984-01-05 1984-01-05 An impact wrench
DE8484300071T DE3470010D1 (en) 1984-01-05 1984-01-05 An impact wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19840300071 EP0149874B1 (en) 1984-01-05 1984-01-05 An impact wrench

Publications (3)

Publication Number Publication Date
EP0149874A2 EP0149874A2 (en) 1985-07-31
EP0149874A3 true EP0149874A3 (en) 1985-08-21
EP0149874B1 EP0149874B1 (en) 1988-03-23

Family

ID=8192515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840300071 Expired EP0149874B1 (en) 1984-01-05 1984-01-05 An impact wrench

Country Status (2)

Country Link
EP (1) EP0149874B1 (en)
DE (1) DE3470010D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003618A (en) * 1997-07-29 1999-12-21 Chicago Pneumatic Tool Company Twin lobe impact mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE958280C (en) * 1953-09-06 1957-02-14 Frankfurter Maschb A G Vorm Po Impact wrench for tightening or loosening screws or nuts
DE2216497A1 (en) * 1971-04-07 1972-10-19 Atlas Copco Ab, Nacka (Schweden) Rotary impact coupling
FR2498510A1 (en) * 1981-01-27 1982-07-30 Kuken Kk SHOCK KEY

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE958280C (en) * 1953-09-06 1957-02-14 Frankfurter Maschb A G Vorm Po Impact wrench for tightening or loosening screws or nuts
DE2216497A1 (en) * 1971-04-07 1972-10-19 Atlas Copco Ab, Nacka (Schweden) Rotary impact coupling
FR2498510A1 (en) * 1981-01-27 1982-07-30 Kuken Kk SHOCK KEY

Also Published As

Publication number Publication date
DE3470010D1 (en) 1988-04-28
EP0149874B1 (en) 1988-03-23
EP0149874A2 (en) 1985-07-31

Similar Documents

Publication Publication Date Title
GB8406957D0 (en) Hammer
GB8425043D0 (en) Combination tool
GB2095148B (en) Impact wrench
GB8504322D0 (en) Impact device
GB2097309B (en) Impact wrench
GB8422313D0 (en) Hammer crusher
DE3567164D1 (en) Pneumatic hammer
GB8501759D0 (en) Hammer assembly
GB8517825D0 (en) Applying impact
EP0149874A3 (en) An impact wrench
GB2166992B (en) Universal wrench
AU585507B2 (en) Impact tool
GB2155842B (en) Pneumatic hammer
GB2164862B (en) Throwing hammer
GB8407750D0 (en) Impact wrench
JPS57114369A (en) Impact wrench
GB8412983D0 (en) Spanner
KR850002741Y1 (en) Hammer crusher
AU92254S (en) An impact wrench
KR860000636Y1 (en) Hammer
KR860001779Y1 (en) Wrench
GB8527581D0 (en) Hammer
AU93429S (en) Hammer
GR80519B (en) Wrench
AU95199S (en) Wrench

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB IT SE

AK Designated contracting states

Designated state(s): DE FR GB IT SE

17P Request for examination filed

Effective date: 19860121

17Q First examination report despatched

Effective date: 19861009

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

REF Corresponds to:

Ref document number: 3470010

Country of ref document: DE

Date of ref document: 19880428

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: UFFICIO BREVETTI RICCARDI & C.

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
ITTA It: last paid annual fee
EAL Se: european patent in force in sweden

Ref document number: 84300071.2

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20020702

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20020715

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20020724

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20020731

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030106

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030801

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20030105

EUG Se: european patent has lapsed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030930

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST