EP0421121A3 - Electrically driven hammer - Google Patents

Electrically driven hammer Download PDF

Info

Publication number
EP0421121A3
EP0421121A3 EP19900116558 EP90116558A EP0421121A3 EP 0421121 A3 EP0421121 A3 EP 0421121A3 EP 19900116558 EP19900116558 EP 19900116558 EP 90116558 A EP90116558 A EP 90116558A EP 0421121 A3 EP0421121 A3 EP 0421121A3
Authority
EP
European Patent Office
Prior art keywords
electrically driven
driven hammer
hammer
electrically
driven
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
EP19900116558
Other languages
German (de)
Other versions
EP0421121A2 (en
EP0421121B1 (en
Inventor
Karl Dr.-Ing. Wanner
Karl Frauhammer
Frank Mueller
Heinz Schnerring
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0421121A2 publication Critical patent/EP0421121A2/en
Publication of EP0421121A3 publication Critical patent/EP0421121A3/en
Application granted granted Critical
Publication of EP0421121B1 publication Critical patent/EP0421121B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/04—Handles; Handle mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/255—Switches
    • B25D2250/265—Trigger mechanism in handle
EP90116558A 1989-09-30 1990-08-29 Electrically driven hammer Expired - Lifetime EP0421121B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3932814 1989-09-30
DE3932814A DE3932814A1 (en) 1989-09-30 1989-09-30 ELECTRICALLY POWERED HAMMER

Publications (3)

Publication Number Publication Date
EP0421121A2 EP0421121A2 (en) 1991-04-10
EP0421121A3 true EP0421121A3 (en) 1991-09-25
EP0421121B1 EP0421121B1 (en) 1993-11-10

Family

ID=6390645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116558A Expired - Lifetime EP0421121B1 (en) 1989-09-30 1990-08-29 Electrically driven hammer

Country Status (2)

Country Link
EP (1) EP0421121B1 (en)
DE (2) DE3932814A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010038750A1 (en) * 2010-08-02 2012-02-02 Robert Bosch Gmbh Electric power tool with lockable rocker switch
US10814468B2 (en) 2017-10-20 2020-10-27 Milwaukee Electric Tool Corporation Percussion tool
CN214723936U (en) 2018-01-26 2021-11-16 米沃奇电动工具公司 Impact tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456743A (en) * 1967-05-04 1969-07-22 Kango Electric Hammers Ltd Portable power tools
DE3404962A1 (en) * 1984-02-11 1985-08-14 Robert Bosch Gmbh, 7000 Stuttgart HANDLE FOR DRILLING MACHINES AND / OR DRILLING HAMMER
DE3610682A1 (en) * 1986-03-29 1987-10-01 Bosch Gmbh Robert Handle for hand-held machine tools

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456743A (en) * 1967-05-04 1969-07-22 Kango Electric Hammers Ltd Portable power tools
DE3404962A1 (en) * 1984-02-11 1985-08-14 Robert Bosch Gmbh, 7000 Stuttgart HANDLE FOR DRILLING MACHINES AND / OR DRILLING HAMMER
DE3610682A1 (en) * 1986-03-29 1987-10-01 Bosch Gmbh Robert Handle for hand-held machine tools

Also Published As

Publication number Publication date
EP0421121A2 (en) 1991-04-10
DE3932814A1 (en) 1991-04-11
EP0421121B1 (en) 1993-11-10
DE59003452D1 (en) 1993-12-16

Similar Documents

Publication Publication Date Title
GB9026988D0 (en) Driving tool
GB2207380B (en) Chisel
GB8924338D0 (en) Electrodes
GB8703208D0 (en) Hammer crusher
GB2191141B (en) Staple remover
EP0419866A3 (en) Drill hammer
GB2237766B (en) Electrically driven power hand tools
EP0421121A3 (en) Electrically driven hammer
GB2230728B (en) Engine hammer
GB8921919D0 (en) Driven pontoons
EP0413447A3 (en) Drive arrangement
GB9006246D0 (en) Drive
GB2201364B (en) Powered hammer
GB2221418B (en) Reciprocating percussive device
GB8814554D0 (en) Dual purpose hammer
GB2223978B (en) Staple remover
KR890008018Y1 (en) Hammer
GB8616128D0 (en) Hammer unit
PL282021A1 (en) Pile-driver
AU103284S (en) Hammer
GB8726739D0 (en) Hammer
PL281672A1 (en) Driving-in power striker
GB8606212D0 (en) Hammers
HU901028D0 (en) Striking device
GB8917376D0 (en) Electric percussion tool

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): CH DE GB LI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE GB LI

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ROBERT BOSCH GMBH

17P Request for examination filed

Effective date: 19920321

17Q First examination report despatched

Effective date: 19920624

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE GB LI

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19931112

REF Corresponds to:

Ref document number: 59003452

Country of ref document: DE

Date of ref document: 19931216

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
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: DE

Payment date: 20061018

Year of fee payment: 17

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

Ref country code: CH

Payment date: 20070827

Year of fee payment: 18

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

Ref country code: GB

Payment date: 20070828

Year of fee payment: 18

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: 20080301

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Effective date: 20080829

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

Ref country code: CH

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

Effective date: 20080831

Ref country code: LI

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

Effective date: 20080831

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: 20080829