Plug-socket holder for a relay

Claim 2

A relay plug socket (7) comprising means for receiving a relay (6, 6'), fastening element means (14, 17) for connecting to a mounting base (13), and terminal pin means (21) for electrically connecting to an external circuit, characterized in that it comprises an internal circuit integrated with said plug socket (7), said internal circuit comprising an energizing circuit (5) for the plug-in relay (6, 6').

Claim 3

A plug socket according to claim 1, wherein said energizing circuit (5) comprises an integrated circuit (IC) (8) and at least one capacitor (9) connected in series with the plug-in relay (6, 6').

Claim 4

A plug socket according to claim 2, wherein the junction between the capacitor (9) and the plug-in relay (6, 6') is connected to a terminal pin (10) permitting a bistable relay (6, 6') to be set to a specific armature position.

Claim 5

A plug socket according to claims 1 to 3, characterized in that it comprises resilient retaining arms (11, 12) adapted to engage the relay body of a plug-in relay (6, 6') and/or to partially surround it.

Claim 6

A plug socket according to claims 1 to 4, wherein said fastening element means is in the form of mounting feet (14, 15) resiliently connected to the bottom portion (7) facing towards said mounting base (13) and adapted to extend through an opening (16) of said mounting base into engagement with the side of said mounting base facing away from said bottom portion.

Claim 7

A plug socket according to claim 5, wherein said mounting feet (14, 15) are formed at their sides facing towards the respective narrower side of said mounting opening (16) with a plurality of steps (19) increasing their dimensions in the direction of said narrower side.

Claim 8

A plug socket according to claim 5 or 6, wherein said mounting feet (14') are connected to an end portion of the plug socket extending through said mounting opening (16) (Fig. 5, 6).

Claim 9

A plug socket according to claims 6 and 7, wherein the edges (22) of said steps (19') are extending along a circular arc (20), the engagement surfaces (23) of said steps (19') being inclined by an angle (a) with respect to a plane (24) adjacent the free end of said mounting feet (14') extending substantially parallel to the plane of said mounting base (13), said angle (a) increasing from step to step, so that each of said engagement surfaces may engage the distant surface of said mounting base (13) substantially parallel thereto.

Claim 10

A plug socket according to claim 7 or 8, wherein said plug socket (7) is provided with resiliently deflectable flanges (17") adapted to engage the upper surface of said mounting base (13).

Claim 11

A plug socket according to one of the claims 4 to 9, wherein said mounting base (13) is a chassis or a mounting frame, respectively.