GB1413796A - Switching mechanisms - Google Patents

Switching mechanisms

Info

Publication number
GB1413796A
GB1413796A GB6061971A GB6061971A GB1413796A GB 1413796 A GB1413796 A GB 1413796A GB 6061971 A GB6061971 A GB 6061971A GB 6061971 A GB6061971 A GB 6061971A GB 1413796 A GB1413796 A GB 1413796A
Authority
GB
United Kingdom
Prior art keywords
disc
motor
spring
latch
door
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
GB6061971A
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.)
Hotpoint Ltd
Original Assignee
Hotpoint 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 Hotpoint Ltd filed Critical Hotpoint Ltd
Priority to GB6061971A priority Critical patent/GB1413796A/en
Priority to US31650772 priority patent/US3823329A/en
Priority to DE2263245A priority patent/DE2263245A1/en
Priority to NL7217800A priority patent/NL7217800A/xx
Publication of GB1413796A publication Critical patent/GB1413796A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
    • G04F3/027—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms using electrical contacts, e.g. for actuating electro-acoustic device
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/08—Control circuits or arrangements thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/02—Characteristics of laundry or load
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/14—Time settings
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/34—Humidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/40—Opening or locking status of doors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/44—Current or voltage
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28—Electric heating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

1413796 Machinery safety devices HOTPOINT Ltd 20 Dec 1972 [29 Dec 1971] 60619/71 Heading F2J [Also in Divisions F4 and Hl] A switching mechanism including a member 2 manually rotatable from an "OFF" position to one or more angular positions to cause operation of switches 7 for energizing an electric motor arranged to drive a rotatable drum of, for example, a tumbler dryer, the member 2 being arranged to govern directly or indirectly (i.e. by timing mechanism or by temperatureresponsive means) the duration of energization of said motor, has spring means 14 which is arranged to apply torque to the member 2 to return it quickly to the "OFF" position but is normally restrained by latch 15, 16 which is released when a door giving access to the drum is opened. As shown, rotation of knob 5 winds a clockwork timer motor 4 and, by pin 13 engaging a lug 12, turns a disc 10 and winds a spiral return spring 14. The disc 10 has steps 11 around its periphery and latch tongue 16 engages a selected step to restrain spring 14 while motor 4 is allowed to drive spindle 2 slowly back to its original "OFF" position-by virtue of the lost motion between pin 13 and lug 12. However, should the drum door be opened the Bowden cable 19 ensures release of latch tongue 16 from the step 11 and spring 14 overrides motor 4 and rapidly restores spindle 2 and switches 7 to "OFF". In the embodiment of Figs. 5 and 6 (not shown) the timer motor and lost-motion coupling are omitted, disc 10 is replaced by a disc (68) having progressively deeper steps, and the latch tongue (72) is controlled by a bellows (75) connected by capillary (74) to a temperature sensing phial (73); thus the device is restored to the "OFF" position at a temperature predetermined by the step selected, or immediately if the drum door is opened since the latch (72) is then moved by the Bowden cable (79) an amount greater than the largest step. Another embodiment (Figs. 3 and 4, not shown) combines both time and temperature controls by using a disc (36) to determine the temperature at which the motor (24) commences a time drive to the spindle (22) and a lost-motion disc (30) to restrain the rapid return safety spring (34). A heating element may be controlled by one of the switches of the device which then provides the extra safety feature of preventing inadvertent energization of the heater by closure of the door, since the device must be reset before operation of the dryer is resumed.
GB6061971A 1971-12-29 1971-12-29 Switching mechanisms Expired GB1413796A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB6061971A GB1413796A (en) 1971-12-29 1971-12-29 Switching mechanisms
US31650772 US3823329A (en) 1971-12-29 1972-12-19 Switching mechanism
DE2263245A DE2263245A1 (en) 1971-12-29 1972-12-23 SWITCHING DEVICE
NL7217800A NL7217800A (en) 1971-12-29 1972-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6061971A GB1413796A (en) 1971-12-29 1971-12-29 Switching mechanisms

Publications (1)

Publication Number Publication Date
GB1413796A true GB1413796A (en) 1975-11-12

Family

ID=10485828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6061971A Expired GB1413796A (en) 1971-12-29 1971-12-29 Switching mechanisms

Country Status (4)

Country Link
US (1) US3823329A (en)
DE (1) DE2263245A1 (en)
GB (1) GB1413796A (en)
NL (1) NL7217800A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51146233A (en) * 1975-03-08 1976-12-15 Minolta Camera Co Ltd Sequence control cam device
FR2681347B1 (en) * 1991-09-13 1996-06-21 Ciapem DRYER WITH AUTOMATIC OPERATION ALLOWING CONTROL OF THE DEGREE OF DRYING OF THE LAUNDRY.
US5464953A (en) * 1993-12-27 1995-11-07 Kim; Chang E. Timing apparatus for a pizza oven switch
DE102007039707A1 (en) * 2007-08-22 2009-07-30 Miele & Cie. Kg Clothes dryer with a holding device
CN104821246A (en) * 2015-05-15 2015-08-05 浙江华仪电器科技有限公司 Low-pressure blocking device for high-pressure switch
CN110320792B (en) * 2019-03-19 2021-01-12 安徽省华腾农业科技有限公司经开区分公司 Portable intelligent electronic watch with LED display screen

Also Published As

Publication number Publication date
NL7217800A (en) 1973-07-03
DE2263245A1 (en) 1973-07-12
US3823329A (en) 1974-07-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee