GB1390395A - Washing and spin drying machines - Google Patents

Washing and spin drying machines

Info

Publication number
GB1390395A
GB1390395A GB3327472A GB3327472A GB1390395A GB 1390395 A GB1390395 A GB 1390395A GB 3327472 A GB3327472 A GB 3327472A GB 3327472 A GB3327472 A GB 3327472A GB 1390395 A GB1390395 A GB 1390395A
Authority
GB
United Kingdom
Prior art keywords
tub
leaf spring
spring
washing
strut
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
Application number
GB3327472A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1390395A publication Critical patent/GB1390395A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

1390395 Washing machines PHILIPS GLOEILAMPENFABRIEKEN NV 17 July 1972 [20 July 1971] 33274/72 Heading D1A To limit vibrations of a washing and spindrying machine having a resiliently mounted drum receiving tub, a device is provided which prevents vertical movement of the tub when accelerating the drum until the critical frequency is exceeded the instant of release being determined by the value of the unbalance force. In Fig. 2a the device comprises a strut 3 secured to the tub, a guide 5 secured to the machine frame and a coil spring 3 and a leaf spring 7. On loading the tub with water for washing the spring 3 is compressed and the end of the leaf spring engages a recess 6 of the strut to hold it stationary. The leaf spring holds the strut 3 until on accelerating the drum for spin-drying. The vertical unbalance force is sufficient, after the critical speed is exceeded, to dislodge the leaf spring from the recess permitting the spring 3 to be effective with the now lighter tub. Fig. 3a, not shown, incorporates a tension spring (4) for a tub suspended at (12) and a leaf spring which operates as above.
GB3327472A 1971-07-20 1972-07-17 Washing and spin drying machines Expired GB1390395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7126522A FR2146589A5 (en) 1971-07-20 1971-07-20

Publications (1)

Publication Number Publication Date
GB1390395A true GB1390395A (en) 1975-04-09

Family

ID=9080618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3327472A Expired GB1390395A (en) 1971-07-20 1972-07-17 Washing and spin drying machines

Country Status (5)

Country Link
DE (1) DE2232478A1 (en)
FR (1) FR2146589A5 (en)
GB (1) GB1390395A (en)
IT (1) IT964701B (en)
NL (1) NL7209836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095119A2 (en) * 2001-05-23 2002-11-28 Kabushiki Kaisha Toshiba Drum washing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095119A2 (en) * 2001-05-23 2002-11-28 Kabushiki Kaisha Toshiba Drum washing machine
WO2002095119A3 (en) * 2001-05-23 2003-03-06 Toshiba Kk Drum washing machine
US7310978B2 (en) 2001-05-23 2007-12-25 Kabushiki Kaisha Toshiba Drum-type washing machine with elastic oil damper

Also Published As

Publication number Publication date
DE2232478A1 (en) 1973-02-01
NL7209836A (en) 1973-01-23
IT964701B (en) 1974-01-31
FR2146589A5 (en) 1973-03-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee