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US 5,295,845 AGranted
Combined power plug
OwnerDuan Changxinginventor
Life of this patent
Estimating the term…
Abstract
A power plug adaptive to various sockets, comprises an insulating plug casing, plug cover, and an adjustment feature. This adjustment feature can include a slot pin hole, an elastic washer, a nut and a washer for accommodating pins and adjusting the relative positions and angles of the pins around the longitudinal axis of each pin. In that manner, different types of sockets can be connected to the power plug. Different types of pins having various shapes, such as a blade or circular shape, can be used with the plug to provide satisfactory contact with the slots of the socket.
Claims11
A power plug, comprising:
- an insulating body having a first insulator portion and a second insulator portion, the first insulator portion has at least one slot formed therein;
- at least one pin with a contact head, a screw bar and a shoulder, the shoulder being between the contact head and the screw bar, each of the at least one slots in the first insulator portion having a respective one of the pins therein;
- and
- means for adjusting positioning of each pin relative to the insulating body and for adjusting rotational position of each pin about a longitudinal axis of each pin, each of the pins being slidable along its respective slot in which the is located to thereby vary the distance between the and an outer edge of the insulating body, the means for adjusting comprises at least one nut and elastic washer attached to the corresponding pin.
1 more element
Dependencies are inferred from the claim text.