Geometrical instruments
Patent
1981-08-11
1983-12-13
McGlynn, Joseph H.
Geometrical instruments
H01R 1306
Patent
active
044202164
ABSTRACT:
A connecting device for use in a tape recorder comprises a plug member arranged to be connected to an external load and includes a conductive sleeve, a conductive tip provided therein and a movable pin projecting at the end portion of the tip. The device also includes a jack member provided on a housing of an electrical apparatus, including a contact segment provided to contact with the sleeve of the plug tip, switching contact segments provided to separate from each other by action of the tip, and another contact segment provided to contact with the pin so as to supply source voltage to the external load through the pin of the plug member.
REFERENCES:
patent: 1565263 (1925-12-01), Denny et al.
patent: 2399402 (1946-04-01), Spengler
patent: 3166649 (1965-01-01), Frantz et al.
patent: 3225155 (1965-12-01), Duncan
patent: 3678440 (1972-07-01), Gilsdorf
patent: 4295694 (1981-10-01), Manning
Motoyama Kazuyasu
Nakao Toshihiro
Nasu Mitsuo
Tomizawa Yoshio
McGlynn Joseph H.
Olympus Optical Company Limited
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