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1. WO2020112472 - AUXILIARY CONTACTS FOR INDUSTRIAL CONNECTORS

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[ EN ]

CLAIMS

We claim:

1. An auxiliary contact assembly for an industrial connector comprising:

a line side contact assembly comprising:

a cavity elongated in a proximal direction, having an open distal end, and having a plurality of inner side surfaces; and

a plurality of line side contacts arranged on the inner side surfaces of the cavity, wherein at least two of the line side contacts are on separate non-adjacent inner side surfaces at a first distance from the distal end of the cavity and wherein at least one of the plurality of line side contacts is on an intervening inner side surface between the separate non-adjacent inner side surfaces and at a second distance from the distal end; and a load side contact assembly comprising:

a support body having a plurality of outer side surfaces and being elongated in the proximal direction, wherein the support body is shaped to be inserted into the cavity and wherein the outer side surfaces of the support body correspond with the inner side surfaces of the cavity; and a plurality of load side contacts arranged on one or more outer side surfaces of the body and positioned to contact corresponding ones of the plurality of line side contacts when the support body is inserted into the cavity.

2. The assembly of claim 1, wherein the cavity comprises six inner side surfaces, wherein a first set of three of the line side contacts are on three non-adjacent inner side surfaces at the first distance from the distal end, wherein a second set of three line side contacts are on the three remaining inner side surfaces at the second distance from the distal end.

3. The assembly of claim 1, wherein the line side contacts comprise leaf springs, and wherein, when the body is inserted into the cavity, the load side contacts deflect the leaf springs.

4. The assembly of claim 1, further comprising a plurality of line side wires connected with the line side contacts and a plurality load side wires connected with the load side contacts.

5. The assembly of claim 4, wherein the line side wires are connected with the line side contacts by spade connectors and wherein the spade connectors on the line side electrodes at the first distance from the distal end are offset on the distal direction from the connectors on the line side electrodes at the second distance from the distal end.

6. The assembly of claim 1, wherein the cavity further comprises a first set of hook

engaging slots, at least two of the slots disposed on the non-adjacent inner sides and at least one slot disposed on the intervening inner side, wherein the line side contacts each further comprise a hook and wherein the hooks of the line side contacts are engaged with respective ones of the slots.

7. The assembly of claim 1, further comprising:

an electrical plug comprising:

a load side housing;

a load side contacting surface disposed across a portion of the housing, wherein the load side contacting surface supports the support

body, and wherein the support body extends from the contacting surface in the proximal direction; and

one or more load electrodes extending from the load side contacting surface in the proximal direction and parallel to the support body; and

an electrical receptacle comprising:

a line side contacting surface, wherein the open distal end of the cavity forms an opening in the line side contacting surface and the cavity extends in the proximal direction from the line side contacting surface; and

one or more line electrodes, wherein the line electrodes are disposed proximal of the line side contacting surface, and wherein one or more electrode opening in the line side contacting surface are aligned with corresponding ones of the line electrodes,

wherein when the load side contacting surface is moved toward the line side contacting surface the load electrodes insert into the electrode openings and the support body inserts into the cavity, and wherein the load electrodes contact the line electrodes and the load side contacts contact the line side contacts.

8. The assembly of claim 7, wherein, as the load side contacting surface approaches the line side contacting surface, the load and line electrodes contact each other before the load side contacts and the line side contacts contact each other.

9. The assembly of claim 7, wherein, as the load side contacting surface approaches the line side contacting surface, the load and line electrodes contact each other after the load side contacts and the line side contacts contact each other.

10. The assembly of claim 7, wherein the at least two load side contacts form a first load side contact set, wherein the at least one load side contact forms a second load side contact set, and, as the load side contacting surface approaches the line side contacting surface, the load and line electrodes contact each other after the contacts of the first load side contact set contact their respective line side contacts and the load and line electrodes contact each other before the contacts of the second load side contact set contact their respective line side contacts.

11. The assembly of claim 7, wherein the wherein line and load electrodes conform to an industry standard configuration.

12. The assembly of claim 7, wherein the load side contact assembly is removably connected with the plug.

13. The assembly of claim 7, wherein the line side contact assembly is removably connected with the receptacle.

14. The assembly of claim 7, wherein the cavity further comprises a line side alignment feature extending in the proximal direction and disposed between two adjacent inner side surfaces, and wherein the support body further comprises a load side alignment feature extending in the proximal direction and disposed between adjacent outer side surfaces, wherein when the supporting body is inserted into the cavity, the load side alignment feature engages with the line side alignment feature to guide the load side contacts into engagement with the line side contacts.

15. An electrical receptacle comprising:

a line side contact assembly comprising:

a cavity elongated in a longitudinal direction having an open distal end having a plurality of inner side surfaces; and

a plurality of line side contacts arranged on the inner side surfaces of the cavity, wherein at least two of the line side contacts are on separate non-adjacent inner side surfaces at a first distance from the distal end of the cavity and wherein at least one of the plurality of line side contacts is on an intervening inner side surface between the separate non-adjacent inner side surfaces and at a second distance from the distal end;

a housing surrounding the line side contact assembly;

a line side contacting surface disposed across a portion of the housing, wherein the open distal end of the cavity forms an opening in the line side contacting surface and the cavity extends in the proximal direction from the line side contacting surface;

one or more line electrodes disposed within the housing proximal of the line side contacting surface; and

one or more electrode openings in the line side contacting surface, wherein the electrode openings corresponding to respective ones of the line electrodes.

16. The receptacle of claim 15, wherein the open distal end of the cavity is positioned at a central location on the line side contacting surface and wherein the electrode openings are positioned radially around the open distal end.

17. The receptacle of claim 15, wherein the line side contact assembly is removably

connected with the receptacle.

18. An electrical plug comprising:

a load side contact assembly comprising:

a support body having a plurality of outer side surfaces having a proximal end and being elongated in the proximal direction, and

a plurality of load side contacts arranged on the outer side surfaces of the body, wherein at least two of the load side contacts are on separate non-adjacent outer side surfaces at a first distance from the proximal end of the body and wherein at least one of the plurality of load side contacts is on an outer side

surface between the separate non-adjacent outer side surfaces and at a second distance from the proximal end;

a load side contacting surface, wherein the body extends from the load side contacting surface in the proximal direction; and

one or more load electrodes extending from the load side contacting surface in the proximal direction.

19. The plug of claim 18, wherein the support body is positioned at a central location on the load side contacting surface and wherein the load electrodes are positioned radially around the support body.

20. The plug of claim 18, wherein the load side contact assembly is removably connected with the plug.