GB1405554A - Centrifugal brake for a telphone selector dial - Google Patents

Centrifugal brake for a telphone selector dial

Info

Publication number
GB1405554A
GB1405554A GB4149473A GB4149473A GB1405554A GB 1405554 A GB1405554 A GB 1405554A GB 4149473 A GB4149473 A GB 4149473A GB 4149473 A GB4149473 A GB 4149473A GB 1405554 A GB1405554 A GB 1405554A
Authority
GB
United Kingdom
Prior art keywords
spring
centrifugal
weights
supports
base
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
GB4149473A
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.)
Telephon und Telegraphen Fabriks AG Kapsch und Soehne
Original Assignee
Telephon und Telegraphen Fabriks AG Kapsch und Soehne
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 Telephon und Telegraphen Fabriks AG Kapsch und Soehne filed Critical Telephon und Telegraphen Fabriks AG Kapsch und Soehne
Publication of GB1405554A publication Critical patent/GB1405554A/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/315—Clutches; Spring assemblies; Speed regulators, e.g. centrifugal brakes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Braking Arrangements (AREA)
  • Telephone Set Structure (AREA)

Abstract

1405554 Centrifugal governors TELEPHON UND TELEGRAPHEN-FABRIKS AG KAPSCH & SOHNE IN WIEN 4 Sept 1973 [14 Sept 1972] 41494/73 Heading G3B A centrifugal brake assembly for a telephone selector dial comprises a base 2, a pair of centrifugal weights 1 movably mounted on the base friction pads 4, spring supports 6 on the weights, and a spring 5 connected to supports 6. In operation, base 2 is rotated by the telephone dial (not shown), the weights are pivotally displaced against the spring under the effect of centrifugal force and pads 4 come into frictional contact with a brake drum (not shown). In order to adjust the braking action the tongues 7 of supports 6 are bent. The spring may be a closed ring or may be formed as a helical spring.
GB4149473A 1972-09-14 1973-09-04 Centrifugal brake for a telphone selector dial Expired GB1405554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT787672A AT319342B (en) 1972-09-14 1972-09-14 Centrifugal brake for telephone dials

Publications (1)

Publication Number Publication Date
GB1405554A true GB1405554A (en) 1975-09-10

Family

ID=3600342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4149473A Expired GB1405554A (en) 1972-09-14 1973-09-04 Centrifugal brake for a telphone selector dial

Country Status (6)

Country Link
AT (1) AT319342B (en)
BG (1) BG22090A3 (en)
CH (1) CH557625A (en)
DE (1) DE2342279C3 (en)
GB (1) GB1405554A (en)
IT (1) IT993118B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324974A1 (en) * 1983-07-11 1985-01-24 Siemens AG, 1000 Berlin und 8000 München Centrifugal regulator for dial switches in telecommunications
JP2575589Y2 (en) * 1992-04-20 1998-07-02 株式会社共立 Centrifugal clutch

Also Published As

Publication number Publication date
CH557625A (en) 1974-12-31
DE2342279A1 (en) 1974-03-21
BG22090A3 (en) 1976-11-25
AT319342B (en) 1974-12-10
DE2342279C3 (en) 1980-03-06
IT993118B (en) 1975-09-30
DE2342279B2 (en) 1979-07-05

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Legal Events

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