A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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AbstractAn electrical connector prong lock including a spring loaded insulating pin which is passed through a bearing member affixed to the electrical connector prong lock and through a hole commonly found near the end of a prong of a male electrical plug. A sliding cam member is employed to move the insulating pin member into and out of engagement. In an alternate embodiment the enlarged end of a ground return prong is engaged by a forked insulating member affixed to the electrical connector prong lock thereby preventing prong release. | InventorApplicationNo. 235874 filed on 05/02/1994US Classes:439/346Adapted to engage contact of mating partField of Search439/345, Retaining means439/346, Adapted to engage contact of mating part439/369, For unsupported coupling part and unsupported mating part, (e.g., connecting extension cords)439/507JUMPER (OR SHORT CIRCUITING COUPLING PART)ExaminersPrimary: Nguyen, KhiemUS Patent References2528121, 2801394, 3942856, Safety socket assemblyIssued on: 03/09/1976 Inventor: Mindheim, deceased , et al.4136919Electrical receptacle with releasable locking means Issued on: 01/30/1979 Inventor: Howard , et al. International ClassH01R 004/50 |