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Browse Prior Art Database

Convertible Plug

IP.com Disclosure Number: IPCOM000090265D
Original Publication Date: 1969-Mar-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 37K

Publishing Venue

IBM

Related People

Bishop, ME: AUTHOR [+2]

Abstract

In testing electronic equipment, especially computers, there are two female type receptacles generally in use. Thus, it is necessary to utilize test equipment either having the correct test leads, i.e., the standard banana connector, or a regular pin-jack. One solution to the problem is to have adapters which allow connection of pin-jack male connectors to banana female receptacles or adapters which can be utilized to connect banana type male connectors to pin-jack female receptacles. This requires four adapters to allow all possible conversions of two leads to be made. The plug shown can be used with both banana and pin-jack receptacles. There is provided holder 12 into which pin 14 is connected by threading or fastening. The inner end of pin 14 contains opening 16 which accommodates the end of the test lead not shown.

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Convertible Plug

In testing electronic equipment, especially computers, there are two female type receptacles generally in use. Thus, it is necessary to utilize test equipment either having the correct test leads, i.e., the standard banana connector, or a regular pin-jack.

One solution to the problem is to have adapters which allow connection of pin-jack male connectors to banana female receptacles or adapters which can be utilized to connect banana type male connectors to pin-jack female receptacles. This requires four adapters to allow all possible conversions of two leads to be made.

The plug shown can be used with both banana and pin-jack receptacles. There is provided holder 12 into which pin 14 is connected by threading or fastening. The inner end of pin 14 contains opening 16 which accommodates the end of the test lead not shown. This is essentially all that is needed for the regular pin-jack connector.

Holder 12 allows the user to hold or position the plug assembly. It also serves to insulate the metal parts from the user's hand. Spring 18 is utilized to convert the pin-jack connector to a banana type connector. To make the conversion, spring 18 is slid out over the protruding part of pin 14 as shown by the dashed lines. In the pin-jack mode spring 18 is retracted into holder 12 as shown by the solid lines. The user can slide spring 18 into the desired position by tab 20. The latter is connected to spring 18 so that moving tab 20 along holder 12 moves spr...