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Browse Prior Art Database

Pluggable Reed Relay

IP.com Disclosure Number: IPCOM000092011D
Original Publication Date: 1968-Aug-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 45K

Publishing Venue

IBM

Related People

Redmond, RJ: AUTHOR

Abstract

Pluggable reed relays of the type shown in U.S. Patent 3,160,724 are changed to better position both the reed switches and the coil contacts in the assembly. In drawing A, the pluggable reed relay consists of a plurality of reed switches 10 having contacts 12 projecting from each end of the switches and mounted within coil bobbin 14. Such a reed relay can then be plugged into a circuit card having bifurcated connectors 16 which grasp contacts 12 of reed switches 10 and horizontal portion 18 of coil contacts 20.

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Pluggable Reed Relay

Pluggable reed relays of the type shown in U.S. Patent 3,160,724 are changed to better position both the reed switches and the coil contacts in the assembly. In drawing A, the pluggable reed relay consists of a plurality of reed switches 10 having contacts 12 projecting from each end of the switches and mounted within coil bobbin 14. Such a reed relay can then be plugged into a circuit card having bifurcated connectors 16 which grasp contacts 12 of reed switches 10 and horizontal portion 18 of coil contacts 20.

To prevent displacement or damage to reed switches 10, crimp eyelet 22 as in drawing B is provided for each contact 12 within end plug 24. The forces caused by plugging and unplugging the reed relay from bifurcated connectors 16 is borne by eyelet 22 rather than a contact 12. Blind end plug 24 also serves to centralize the switch better within bobbin 14 and prevents accidental electrical contact at the ends of the relay.

The coil terminal is arranged to allow its insertion from the bottom of the bobbin, as shown, rather than from the top. With this modification, the forces of plugging tend to push the terminal further into the bobbin, rather than pushing it out, as previously.

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