The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 1990
Filed:
Aug. 28, 1989
Walter Eberhard, Horgen, CH;
Andre Simmler, Waden swil, CH;
Feller AG, Horgen, CH;
Abstract
Three terminal prongs are anchored in the base (1) of the apparatus plug. For a bipolar fuse protection thereof two safety fuse cartridges (10) are located in a fuse carrier (8) in a separate adjacent base compartment (7) into which fuse carrier (8) can be inserted and be withdrawn and which opens over the upper side of the base and has a selected depth for a minimal mounting depth. The bottom cap (12) of the safety fuse cartridge rests against a bottom contact terminal (14) located fixed at the bottom of the base compartment with a connecting lug (15) extending towards the outside of the base and electrically connected with a connecting lug of one terminal prong (4). The top cap (13) of the safety fuse cartridge is embraced by a contact hood (23) guided for movement against the action of a spring (24) and carries a contact tongue (22) projecting from the edge of the contact hood which upon inserting of the fuse carrier into the separate socket compartment (7) is slid betwen a leaf spring pair (20) mounted fixedly to the compartment inner wall. By means of such, an electrical connection is established from the connecting lug of the leaf spring pair extending towards the outside via the safety fuse to one of the terminal prongs (2 or 4) anchored in the base and in an exactly same arrangement a further of the two safety fuse cartridges held in the cartridge carrier is allocated to the second terminal prong. The fuse carrier (8) has an elastic tongue (25) carrying detent members for mating to hold the fuse carrier in the base. The tongue is positioned adjacent the partition (5) for receiving a connecting power plug so that the fuse carrier (8) cannot be removed without removing the power plug.