Fused electrical plug
OwnerJoseph M. Ahroniinventor
Life of this patent
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OwnerJoseph M. Ahroniinventor
Estimating the term…
A fused electrical plug including a plug body having a pair of forwardly projecting conductor prongs for insertion into a socket. A pair of conductors entering the plug are connected to respective conductor prongs through fuses which are removable by opening an access door on a lateral face of the plug body. A locking plate slides along the prongs of the plug and locks the access door in its closed position when the locking plate abuts the forward end of the plug body. In a first and second embodiment the access door includes an access cover extending between two parallel side walls. The inside face of the access cover contains a pair of inwardly projecting fuse holders which insert the fuses in their proper position inside the fuse body when the access door is closed. In the first embodiment the access door pivots away from the plug body about a transverse edge of the access cover, while in a second embodiment the access door slides away from the plug body in a lateral direction. In the first and second embodiments a pair of retaining fingers project rearwardly from opposite sides of the locking plate. The retaining fingers are inserted in respective slots in the side walls of the access door to lock the door in its closed position when the locking plate abuts the front face of the plug body. In a third embodiment the access door includes an access cover which is slidably secured to the plug body. The access cover is opened by sliding it forwardly along the lateral face of the plug body. When the locking plate abuts the front face of the plug body, the front edge of the access cover contacts the locking plate thereby locking the access door in its closed position.
In a fused electrical plug having a plug body formed with a pair of fuse recesses, a pair of electrical conductors entering said body and terminating in respective contact members in said fuse recesses, a pair of parallel conductor prongs projecting through the forward end of said plug body for insertion into a socket, a pair of removable electrical fuses positioned in said fuse recesses and connecting each of said contact members to a respective said conductor prong, the improvement comprising access door means on the plug body movable independently of said fuses between an open position allowing said fuses to be removed from said recesses and a closed position preventing access to said fuses, access door securing means including a locking plate having a pair of prong receiving slots allowing said plate to slide along said prongs to a locking position wherein said plate abuts the forward end of said plug body, and access door locking means operatively associated with said locking plate for maintaining said access door in its closed position when said locking plate is in its locking position, thereby preventing access to said fuses when said prongs are inserted in said socket.
In a fusable electrical plug,
A fusable plug comprising:
A fused electrical plug comprising:
In a fusable electrical plug,
A fused plug comprising:
Dependencies are inferred from the claim text.