EP0030631B1 - A control apparatus for an electric appliance requiring a programmed connection and disconnection - Google Patents

A control apparatus for an electric appliance requiring a programmed connection and disconnection Download PDF

Info

Publication number
EP0030631B1
EP0030631B1 EP80107109A EP80107109A EP0030631B1 EP 0030631 B1 EP0030631 B1 EP 0030631B1 EP 80107109 A EP80107109 A EP 80107109A EP 80107109 A EP80107109 A EP 80107109A EP 0030631 B1 EP0030631 B1 EP 0030631B1
Authority
EP
European Patent Office
Prior art keywords
timing
dial
timing device
electric appliance
electric
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
EP80107109A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0030631A1 (en
Inventor
Emilio Negri
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.)
Italora SpA
Original Assignee
Italora SpA
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 Italora SpA filed Critical Italora SpA
Publication of EP0030631A1 publication Critical patent/EP0030631A1/en
Application granted granted Critical
Publication of EP0030631B1 publication Critical patent/EP0030631B1/en
Expired legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/10—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed
    • H01H43/12—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed stopping automatically after a single cycle of operation
    • H01H43/125—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed stopping automatically after a single cycle of operation using a cam

Definitions

  • the present invention relates to a control apparatus for an electric appliance requiring a programmed connection and disconnection.
  • Said apparatus comprises two timing devices, a switch means, used to electrically connect the electric appliance to an electric supply in dependence on the conditions of the two timing devices, in which the first timing device (or long time period device) comprises a dial and a knob driven from the dial by means of friction and an operating means which is actuated at the end of the timing period set on the first timing device, while the second timing device (or short time period device) has a dial and comprises an actuating means for the switch means, a clamping block being operatively connected between said first timing device and said second timing device to clamp the second timing device so that, by manually rotating the knob to a selected position, said first timing device is set and at the same time the second timing device is prevented from starting its counting, while, by rotating the dial of the second timing device to a selected position, the duration of the period during which the electric appliance will be connected to the electric supply is set.
  • Patent specification DE-C-549 279 describes an apparatus according to which it is possible to program the delayed electric appliance connection on the basis of the hours and/or minutes which have to elapse before the selected moment (setting time).
  • Said device has many disadvantages, which are basically comprised in two groups:
  • Another object is to provide a construction of reduced dimensions, which can be installed with a few modifications on any electric appliance.
  • the long time timing mechanism 9 is continuously operating: its output shaft in the embodiment shown makes one revolution every 12 hours.
  • Its central shaft 9a (Fig. 5) has integrally connected thereto a bushing 9b and a clutch 9c driving said dial 1.
  • the latter has a groove 1 a for resetting the time in dial 1 in case of lack of supply to the motor, and to this end the above mentioned clutch 9c is provided.
  • the knob 2 having a mark 2a is connected on said dial 1 by means of a clutch 2b.
  • This knob 2 also has a profiled notch 2c (Fig. 3), which engages the clamping lever 8 when the mechanism is at rest condition. Under this condition, said lever with its projection 8a leaves the switch 6 at free condition, which switch remains closed and at the same time the lever 8 does not contact the dial 4 with its clamping block 8b.
  • the short time timing mechanism 10 is actually a minute indicator and is stationary at rest condition.
  • This mechanism carries keyed rigidly on the shaft 10a (Fig. 5) the dial 4, the latter having a cam profiled portion 4a (Fig. 3) and a "manual" mark (Fig. 1 and 2), at which the dial 4 remains clamped in not shown known manner at a position in which the associated switch 7 connects the electric appliance 11. Under rest condition, said cam portion 4a acts upon said switch 7 maintaining it at open condition.
  • the switches 6 and 7 are at open and closed positions, respectively, as shown in the diagrams of Figs. 6c and 6d, since the notch 2c has moved the initial position displacing the lever 8 which with its projection 8a acts on switch 6 and with its block 8b clamps the knob 4, preventing the short time mechanism from operating; at the same time, the cam profiled portion 4a is displaced and accordingly the switch 7 is closed.
  • Fig. 6h shows the rest condition.
  • Fig. 6i shows the electric appliance connection and disconnection for long times without any programming of cycle start. In this case, one only acts on knob 2, maintaining the short time timing mechanism stationary.
  • a further performance is provided by the device positioning the dial 4 with the "manula" mark at the fixed reference pointer 5. Under this condition, the mechanism 10 is prevented from moving due to an inner stop and accordingly is retained at the indicated position until it is manually reset to zero or at a time ranging between 1 and 120 minutes.
  • the above described condition contemplates the same behaviour of the switch as those described in the previously examined diagrams and allows a continuous operation of the electric appliance in the interval between two manual operations when acting only on the dial 4, and a programmed operation of the beginning if the knob 2 is set.
  • This invention comprises all of those variants that may be apparent to those skilled in the art. Particularly, by reversing the conditions of the switches, instead of controlling periods of current supply periods of current supply suspension can be controlled. Moreover, the position of the dials and fixed pointers can be reversed.

Landscapes

  • Measurement Of Predetermined Time Intervals (AREA)
  • Mechanical Control Devices (AREA)
EP80107109A 1979-12-18 1980-11-17 A control apparatus for an electric appliance requiring a programmed connection and disconnection Expired EP0030631B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2817279 1979-12-18
IT28172/79A IT1126585B (it) 1979-12-18 1979-12-18 Apparecchiatura di comando di una utenza elettrica che necessita di un inserimento e di un disinserimento entrambi programmati nel tempo

Publications (2)

Publication Number Publication Date
EP0030631A1 EP0030631A1 (en) 1981-06-24
EP0030631B1 true EP0030631B1 (en) 1985-01-16

Family

ID=11223078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107109A Expired EP0030631B1 (en) 1979-12-18 1980-11-17 A control apparatus for an electric appliance requiring a programmed connection and disconnection

Country Status (3)

Country Link
EP (1) EP0030631B1 (it)
DE (1) DE3069989D1 (it)
IT (1) IT1126585B (it)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE549279C (de) * 1929-02-19 1932-11-26 Siemens Schuckertwerke Akt Ges Schaltuhr, insbesondere Kochuhr
US2605833A (en) * 1951-01-25 1952-08-05 Veeder Root Inc Timer
FR2222745A1 (en) * 1973-03-19 1974-10-18 Bertrand Jacques Programmable sequencer - for control of advertisement and shop window displays

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909565A (en) * 1974-04-29 1975-09-30 Mallory & Co Inc P R Automatic timer switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE549279C (de) * 1929-02-19 1932-11-26 Siemens Schuckertwerke Akt Ges Schaltuhr, insbesondere Kochuhr
US2605833A (en) * 1951-01-25 1952-08-05 Veeder Root Inc Timer
FR2222745A1 (en) * 1973-03-19 1974-10-18 Bertrand Jacques Programmable sequencer - for control of advertisement and shop window displays

Also Published As

Publication number Publication date
EP0030631A1 (en) 1981-06-24
IT1126585B (it) 1986-05-21
IT7928172A0 (it) 1979-12-18
DE3069989D1 (en) 1985-02-28

Similar Documents

Publication Publication Date Title
US2721441A (en) Switch and alarm clock
US4129847A (en) Cut-back thermostat construction
US2505573A (en) Time switch with multiple manual and automatic controls
EP0030631B1 (en) A control apparatus for an electric appliance requiring a programmed connection and disconnection
US2782274A (en) Low cost clock switch
US6992258B2 (en) Switching device for gas operated appliance
US3725617A (en) Alarm clock timer with switch actuating lever operable by cam or manual adjustment mechanism
US3475899A (en) Radio and alarm control mechanism
US2295298A (en) Heating system
US2644518A (en) Group controlled electric timer
US5464953A (en) Timing apparatus for a pizza oven switch
US3680460A (en) Motor driver diaphragm shutter
US2450287A (en) Range timer
US2269973A (en) Multiple range circuit timer
US3152229A (en) Repeat mechanism for a clock controlled switch
US3286924A (en) Timer adjusted oven thermostat
US3909565A (en) Automatic timer switch
US3036470A (en) Thermostat control
US2633914A (en) Control device
US3967078A (en) Time switch mechanism
US3244841A (en) Oven temperature control system
US2861235A (en) Servosystem control unit for antenna rotators
US2913048A (en) Timer
US3160719A (en) Timing or similar apparatus
US3601973A (en) Motor driven timer

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

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19811024

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB

REF Corresponds to:

Ref document number: 3069989

Country of ref document: DE

Date of ref document: 19850228

ET Fr: translation filed
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
GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

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

Effective date: 19870731

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

Ref country code: DE

Effective date: 19870801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

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

Ref country code: GB

Effective date: 19881118