IT1184486B - OPERATING MODE SELECTION DEVICE FOR A MOTOR TOOL - Google Patents

OPERATING MODE SELECTION DEVICE FOR A MOTOR TOOL

Info

Publication number
IT1184486B
IT1184486B IT20398/85A IT2039885A IT1184486B IT 1184486 B IT1184486 B IT 1184486B IT 20398/85 A IT20398/85 A IT 20398/85A IT 2039885 A IT2039885 A IT 2039885A IT 1184486 B IT1184486 B IT 1184486B
Authority
IT
Italy
Prior art keywords
slot
rotary member
leg
pin
tool
Prior art date
Application number
IT20398/85A
Other languages
Italian (it)
Other versions
IT8520398A0 (en
Inventor
Horst Grossmann
Robert Wache
Original Assignee
Black & Decker Inc
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 Black & Decker Inc filed Critical Black & Decker Inc
Publication of IT8520398A0 publication Critical patent/IT8520398A0/en
Application granted granted Critical
Publication of IT1184486B publication Critical patent/IT1184486B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006—Mode changers; Mechanisms connected thereto
    • 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
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Harvester Elements (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Surgical Instruments (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

A device for switching between different operating conditions of a power tool, especially a portable electric tool, contains a rotary member (1) with an actuator pin (11) mounted eccentrically in the latter. One leg (18) of a stop spring extends into a slot (4) in the rotary member, part of the pin (11) being exposed in this slot. A curved portion 19 provided in the leg (18) of the spring enables two specific engagement positions between the leg (18) and the pin (11) to be obtained. A helical surface indentation extends between the inner end (3) of the rotary member (1) and the slot (4) to accommodate movement of the spring into and out of the slot (4) during insertion and withdrawal of the rotary member (1) into and from the tool's housing. <IMAGE>
IT20398/85A 1984-04-19 1985-04-18 OPERATING MODE SELECTION DEVICE FOR A MOTOR TOOL IT1184486B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3414898A DE3414898C1 (en) 1984-04-19 1984-04-19 Device for switching between different operating states of a machine tool, in particular an electric tool

Publications (2)

Publication Number Publication Date
IT8520398A0 IT8520398A0 (en) 1985-04-18
IT1184486B true IT1184486B (en) 1987-10-28

Family

ID=6234060

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20398/85A IT1184486B (en) 1984-04-19 1985-04-18 OPERATING MODE SELECTION DEVICE FOR A MOTOR TOOL

Country Status (4)

Country Link
DE (1) DE3414898C1 (en)
FR (1) FR2563371B1 (en)
GB (1) GB2157611B (en)
IT (1) IT1184486B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629141A1 (en) * 1986-08-27 1988-03-10 Licentia Gmbh DEVICE FOR FIXING THE DRILLING SPINDLE IN A HAND-GUIDED BLOCK DRILLING DEVICE
DE4000822A1 (en) * 1990-01-13 1991-07-18 Bosch Gmbh Robert ELECTRICALLY POWERED MACHINE TOOL
DE19545260A1 (en) * 1995-11-24 1997-05-28 Black & Decker Inc Hammer drill
DE10007665A1 (en) * 2000-02-19 2001-09-06 Scintilla Ag Machine tool
DE102006059078A1 (en) * 2006-12-14 2008-06-19 Robert Bosch Gmbh Electric device with snap-on rotatable control element
GB201413293D0 (en) 2014-07-28 2014-09-10 Black & Decker Inc Mode change knob assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052346B (en) * 1979-06-18 1983-02-02 Kango Electric Hammers Ltd Rotary hammer drills
DE3213672C2 (en) * 1982-04-14 1984-07-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Actuator for switching a hammer drill with a pneumatic hammer mechanism that can be actuated by a swash plate drive from the "drilling" operating state to the "hammer drilling" operating state
DE8222740U1 (en) * 1982-08-12 1982-12-09 Black & Decker, Inc., 19711 Newark, Del. DRILLING HAMMER

Also Published As

Publication number Publication date
DE3414898C1 (en) 1985-11-28
GB2157611B (en) 1987-03-18
FR2563371A1 (en) 1985-10-25
FR2563371B1 (en) 1987-07-10
GB2157611A (en) 1985-10-30
GB8510046D0 (en) 1985-05-30
IT8520398A0 (en) 1985-04-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950426