GB1400788A - Telephone retaining device - Google Patents

Telephone retaining device

Info

Publication number
GB1400788A
GB1400788A GB5242272A GB5242272A GB1400788A GB 1400788 A GB1400788 A GB 1400788A GB 5242272 A GB5242272 A GB 5242272A GB 5242272 A GB5242272 A GB 5242272A GB 1400788 A GB1400788 A GB 1400788A
Authority
GB
United Kingdom
Prior art keywords
rest
spring
clip
handset
springs
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
GB5242272A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB5242272A priority Critical patent/GB1400788A/en
Publication of GB1400788A publication Critical patent/GB1400788A/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
    • H04M1/04—Supports for telephone transmitters or receivers

Abstract

1400788 Telephone sets PLESSEY CO Ltd 18 July 1973 [14 Nov 1972] 52422/72 Heading H4J A telephone set 2 has a rest 4 for a handset 6 with a cradle switch 10 operated when the handset is positioned on the rest. A deformable clip formed by at least one coil spring is provided to retain the handset on the rest, but to allow its removal from and replacement on the rest, the clip being provided with an overload protector to prevent the stressing of the clip beyond its elastic limit. As shown the clip is a pair of springs 11, 12 or a single spring, arranged to form, with the rest 4, an isosceles triangle with a chain or strain wire 16, 17 extending through the centre of each, or the, spring to limit the spring deformation. In an alternative form the rest may be formed by a further spring 18, Fig. 5 (not shown), and the junction points of the springs may be connected to the set housing by further support springs (19) also provided with stress limiting members. The arrangement is used in mines or on motorways or other exposed places.
GB5242272A 1972-11-14 1972-11-14 Telephone retaining device Expired GB1400788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5242272A GB1400788A (en) 1972-11-14 1972-11-14 Telephone retaining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5242272A GB1400788A (en) 1972-11-14 1972-11-14 Telephone retaining device

Publications (1)

Publication Number Publication Date
GB1400788A true GB1400788A (en) 1975-07-23

Family

ID=10463868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5242272A Expired GB1400788A (en) 1972-11-14 1972-11-14 Telephone retaining device

Country Status (1)

Country Link
GB (1) GB1400788A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169218A (en) * 1978-07-31 1979-09-25 Bell Telephone Laboratories, Incorporated Flat panel telephone station set
US4476354A (en) * 1981-08-13 1984-10-09 Tokyo Shibaura Denki Kabushiki Kaisha Telephone device
US4683585A (en) * 1984-04-25 1987-07-28 Motorola, Inc. Telephone hooking post and assembly
US4741034A (en) * 1986-08-19 1988-04-26 Motorola, Inc. Receptacle for telephone handset

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169218A (en) * 1978-07-31 1979-09-25 Bell Telephone Laboratories, Incorporated Flat panel telephone station set
US4476354A (en) * 1981-08-13 1984-10-09 Tokyo Shibaura Denki Kabushiki Kaisha Telephone device
US4683585A (en) * 1984-04-25 1987-07-28 Motorola, Inc. Telephone hooking post and assembly
US4741034A (en) * 1986-08-19 1988-04-26 Motorola, Inc. Receptacle for telephone handset

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Legal Events

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