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|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 6|
An operating head, such as a hair trimming device, is mechanically and electrically connected to a power supply unit, for example in the form of a handle, by a bayonet coupling, with a female member on the handle and a male member on the trimming device. The male member has a plug part that engages slidably into a sleeve portion of the female member and has pin projections for cooperation with bayonet slots in the sleeve portion. Electrical contacts are arranged centrally within the plug part and the sleeve portion which themselves form further electric...
What is claimed is: 1. A coupling for electrically and mechanically connecting a power supply unit to an operating head in a hand-held appliance, the coupling comprising complementary male and female members, the female member including an inner first electrical contact and a cylindrical outer sleeve portion, the male member including a part slidably engageable in the sleeve portion and having a radial projection for engagement with a bayonet slot formed in the sleeve portion for releasably locking the male member to the female member, the male member i...