GB1444580A - Dial unit of plastics material for telephone sets - Google Patents
Dial unit of plastics material for telephone setsInfo
- 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
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.
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6903856A (en) * | 1968-03-14 | 1969-09-16 |
-
1972
- 1972-12-21 IT IT33326/72A patent/IT972697B/en active
-
1973
- 1973-11-06 ZA ZA738513A patent/ZA738513B/en unknown
- 1973-11-08 GB GB5186575A patent/GB1444580A/en not_active Expired
- 1973-11-21 IE IE2117/73A patent/IE38537B1/en unknown
- 1973-12-20 CH CH1788273A patent/CH570085A5/xx not_active IP Right Cessation
- 1973-12-21 ES ES421679A patent/ES421679A1/en not_active Expired
- 1973-12-21 FR FR7345894A patent/FR2211828B1/fr not_active Expired
Cited By (1)
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 |
---|---|
IT972697B (en) | 1974-05-31 |
IE38537L (en) | 1974-06-21 |
CH570085A5 (en) | 1975-11-28 |
FR2211828A1 (en) | 1974-07-19 |
ES421679A1 (en) | 1976-04-16 |
FR2211828B1 (en) | 1978-03-10 |
IE38537B1 (en) | 1978-04-12 |
ZA738513B (en) | 1974-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |