FR2447060A1 - Countersunk rotary control knob for domestic electric appliance etc. - has heart shaped race for retaining ball in outer peripheral surface of inner element - Google Patents

Countersunk rotary control knob for domestic electric appliance etc. - has heart shaped race for retaining ball in outer peripheral surface of inner element

Info

Publication number
FR2447060A1
FR2447060A1 FR7901337A FR7901337A FR2447060A1 FR 2447060 A1 FR2447060 A1 FR 2447060A1 FR 7901337 A FR7901337 A FR 7901337A FR 7901337 A FR7901337 A FR 7901337A FR 2447060 A1 FR2447060 A1 FR 2447060A1
Authority
FR
France
Prior art keywords
inner element
peripheral surface
control knob
ball
outer peripheral
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
FR7901337A
Other languages
French (fr)
Other versions
FR2447060B1 (en
Inventor
Jacques Savin
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7901337A priority Critical patent/FR2447060A1/en
Priority to DE19803001796 priority patent/DE3001796A1/en
Publication of FR2447060A1 publication Critical patent/FR2447060A1/en
Application granted granted Critical
Publication of FR2447060B1 publication Critical patent/FR2447060B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/087—Controlling members for hand actuation by rotary movement, e.g. hand wheels retractable; Flush control knobs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H01H2003/085—Retractable turn knobs, e.g. flush mounted

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The control knob comprises an outer guide sleeve, an axially movable inner element (4) and a release device between them comprising a ball fitting into a heart-shaped guide race (6). The latter has an extension at one side which acts as a sliding ramp for the ball upon extraction of the inner element with the outer guide sleeve having a corresponding opening into which the ball can then fit. Pref. the heart-shaped guide race is formed in the peripheral surface of the inner element which also has a number of longitudinal grooves (9), into which ridges extending along the walls of the outer guide element locate for guiding the axial movement. The inner element pref. is hollow, with an extension (20) at one side fitting into a notch in the base for the guide element, which fits over a rotary shaft.
FR7901337A 1979-01-19 1979-01-19 Countersunk rotary control knob for domestic electric appliance etc. - has heart shaped race for retaining ball in outer peripheral surface of inner element Granted FR2447060A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7901337A FR2447060A1 (en) 1979-01-19 1979-01-19 Countersunk rotary control knob for domestic electric appliance etc. - has heart shaped race for retaining ball in outer peripheral surface of inner element
DE19803001796 DE3001796A1 (en) 1979-01-19 1980-01-18 Retractable knob

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901337A FR2447060A1 (en) 1979-01-19 1979-01-19 Countersunk rotary control knob for domestic electric appliance etc. - has heart shaped race for retaining ball in outer peripheral surface of inner element

Publications (2)

Publication Number Publication Date
FR2447060A1 true FR2447060A1 (en) 1980-08-14
FR2447060B1 FR2447060B1 (en) 1985-05-03

Family

ID=9220963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901337A Granted FR2447060A1 (en) 1979-01-19 1979-01-19 Countersunk rotary control knob for domestic electric appliance etc. - has heart shaped race for retaining ball in outer peripheral surface of inner element

Country Status (2)

Country Link
DE (1) DE3001796A1 (en)
FR (1) FR2447060A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173820A1 (en) * 1984-07-25 1986-03-12 Licentia Patent-Verwaltungs-GmbH Rotatable and retractable knob
EP0366445A2 (en) * 1988-10-26 1990-05-02 New World Domestic Appliances Limited Rotary control knobs

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230160A1 (en) * 1992-09-09 1994-03-10 Bosch Siemens Hausgeraete Rotary knob
TR199600723A2 (en) * 1996-09-12 1998-04-21 Ar�El�K A.�. Control button used in home appliances.
DE19725071C1 (en) * 1997-06-13 1998-12-24 Aeg Hausgeraete Gmbh Rotary electric switch for setting domestic or cooking appliance
DE19929974B4 (en) * 1999-06-30 2004-03-25 Volkswagen Ag Control unit for regulating a seat heater in a motor vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL127980C (en) * 1961-11-15 1900-01-01
DE911567C (en) * 1950-06-28 1954-05-17 Birome Sa Com E Ind Push-button switch with latching position
GB877223A (en) * 1958-06-26 1961-09-13 Jacob Ritter Improvements in or relating to push-button mechanisms
US3557637A (en) * 1969-07-28 1971-01-26 Gen Motors Corp Control knob
DE2715063A1 (en) * 1976-05-10 1977-11-17 Siemens Ag Albis LOCKING DEVICE FOR PUSH BUTTON SWITCH WITH TWO FIXED SWITCH POSITIONS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250621C3 (en) * 1972-10-16 1979-09-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Rotary knob for a setting

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE911567C (en) * 1950-06-28 1954-05-17 Birome Sa Com E Ind Push-button switch with latching position
GB877223A (en) * 1958-06-26 1961-09-13 Jacob Ritter Improvements in or relating to push-button mechanisms
NL127980C (en) * 1961-11-15 1900-01-01
US3557637A (en) * 1969-07-28 1971-01-26 Gen Motors Corp Control knob
DE2715063A1 (en) * 1976-05-10 1977-11-17 Siemens Ag Albis LOCKING DEVICE FOR PUSH BUTTON SWITCH WITH TWO FIXED SWITCH POSITIONS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173820A1 (en) * 1984-07-25 1986-03-12 Licentia Patent-Verwaltungs-GmbH Rotatable and retractable knob
EP0366445A2 (en) * 1988-10-26 1990-05-02 New World Domestic Appliances Limited Rotary control knobs
EP0366445A3 (en) * 1988-10-26 1990-05-30 New World Domestic Appliances Limited Rotary control knobs

Also Published As

Publication number Publication date
FR2447060B1 (en) 1985-05-03
DE3001796A1 (en) 1980-07-24
DE3001796C2 (en) 1989-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse