GB1444580A - Dial unit of plastics material for telephone sets - Google Patents

Dial unit of plastics material for telephone sets

Info

Publication number
GB1444580A
GB1444580A GB5186575A GB5186575A GB1444580A GB 1444580 A GB1444580 A GB 1444580A GB 5186575 A GB5186575 A GB 5186575A GB 5186575 A GB5186575 A GB 5186575A GB 1444580 A GB1444580 A GB 1444580A
Authority
GB
United Kingdom
Prior art keywords
contacts
slots
plastics material
shaft
casing
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
GB5186575A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1444580A publication Critical patent/GB1444580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

1444580 Impulse transmitters INTERNATIONAL STANDARD ELECTRIC CORP 8 Nov 1973 [21 Dec 1972] 51865/73 Heading H4K In a dial mechanism for a subscribers set comprising a two part plastic casing enclosing the active components of the mechanism, these components all being plastics material except the drive spring, the contacts and the balance weights of the brake unit, the rear face of the front plate has an embossment having transverse slots into which the contacts are fitted, the contacts being forced into the slots and to penetrate the inner surface of the casing during assembly of the latter. As shown the dial mechanism is enclosed in a two part thermoplastics casing ultrasonically welded together. The plastics finger wheel 4 may be keyed directly on the shaft of the main gear 5 or may be provided with slots which engage projections on a disc on the shaft to allow the wheel to be changed. The mechanism is intended to be replaced as a whole when defective.
GB5186575A 1972-12-21 1973-11-08 Dial unit of plastics material for telephone sets Expired GB1444580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT33326/72A IT972697B (en) 1972-12-21 1972-12-21 COMBINER DISK COMPLEX FOR USER TELEPHONE SETS MADE OF THERMAL PLASTIC MATERIAL

Publications (1)

Publication Number Publication Date
GB1444580A true GB1444580A (en) 1976-08-04

Family

ID=11237362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5186575A Expired GB1444580A (en) 1972-12-21 1973-11-08 Dial unit of plastics material for telephone sets

Country Status (7)

Country Link
CH (1) CH570085A5 (en)
ES (1) ES421679A1 (en)
FR (1) FR2211828B1 (en)
GB (1) GB1444580A (en)
IE (1) IE38537B1 (en)
IT (1) IT972697B (en)
ZA (1) ZA738513B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013430A1 (en) * 1979-01-08 1980-07-23 THE PLESSEY COMPANY plc Improvements in or relating to dial units for telephone sets

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6903856A (en) * 1968-03-14 1969-09-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013430A1 (en) * 1979-01-08 1980-07-23 THE PLESSEY COMPANY plc Improvements in or relating to dial units for telephone sets

Also Published As

Publication number Publication date
IE38537B1 (en) 1978-04-12
CH570085A5 (en) 1975-11-28
ZA738513B (en) 1974-09-25
FR2211828B1 (en) 1978-03-10
ES421679A1 (en) 1976-04-16
IT972697B (en) 1974-05-31
FR2211828A1 (en) 1974-07-19
IE38537L (en) 1974-06-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee