Push-pull plugs and tools

• US 7,297,013 B2
• Filed: 10/21/2005
• Issued: 11/20/2007
• Est. Priority Date: 10/22/2004
• Status: Expired due to Fees

• Current Assignee: Panduit Corporation
• Original Assignee: Panduit Corporation
• Inventors: Davis, David R., Hartman, Scott R., Caveney, Jack E.
• Primary Examiner(s): Abrams; Neil
• Application Number:
  US11/255,301
• Publication Number:
  US 20060089039A1
• Time in Patent Office: 760 Days
• Field of Search: 439/352, 439/483
• US Class Current: 439/352
• CPC Class Codes: H01R 13/562 Bending-relieving
• CPC Class Codes: H01R 13/6272 comprising a single latching arm
• CPC Class Codes: H01R 43/26 for engaging or disengaging the two parts of a coupling device structural association with two-part coupling device H01R13/629
• CPC Class Codes: Y10T 29/53283 Means comprising hand-manipulatable implement

Abstract

A push-pull plug has an outer housing that may be moved forwardly and backwardly along a plug housing. When the outer housing is in its forward position, a latch arm is in an upward or mated position and the plug will stay mated to a jack when the plug is inserted into the jack. When the outer housing is moved backwardly, cam surfaces on the outer housing push cam followers on the latch arm downwardly, moving the latch arm and latch to a downward or unmated position. The plug may then be removed from a jack as the outer housing is pulled. The plugs may be adapted for use with an insertion and removal tool. Corner finger grips may be formed on the outer housing and may be located in an alternating manner to facilitate use when plugs are closely positioned.

Claims

1. A push-pull plug comprising:

a plug housing;

an outer housing surrounding the plug housing; and

a latch arm including a latch located on the plug housing, interaction between the outer housing and the latch arm allowing the plug to be removed by pulling the outer housing;

wherein the plug housing includes a rear plug wall that extends upwardly from an upper surface of the plug housing, and

wherein the outer housing includes a plurality of retention notches, each retention notch having retention grooves, the notches and grooves formed to serve as gripping aids.

2. The push-pull plug of claim 1 wherein the outer housing includes an outer housing latch for engaging a top of the rear plug wall to secure the outer housing in place.

3. The push-pull plug of claim 1 wherein the outer housing includes a slider latch for engaging a side of the rear plug wall to secure the outer housing in place.

4. The push-pull plug of claim 1 further comprising a plurality of springs being located in pockets of the outer housing and contacting the rear plug wall of the plug housing for biasing the outer housing forwardly.

5. The push-pull plug of claim 1 wherein the latch arm is integral with the plug housing and the latch arm is hingedly attached to the upper surface of the plug housing by a flexible member.

6. The push-pull plug of claim 5 wherein the latch arm is resiliently biased away from the upper surface of the plug housing.

7. The push-pull plug of claim 6 wherein the latch arm has a substantially prismatic cross-sectional shape and the flexible member is formed by a cutout in the prismatic cross-sectional shape.

8. The push-pull plug of claim 1 wherein at least one cam follower extends laterally from the latch arm, the cam follower interacting with at least one cam surface on the outer housing during insertion and removal of the plug.

9. The push-pull plug of claim 1 wherein the interaction between the outer housing and the latch arm moves the latch into an unmated position during removal of the plug.

10. The push-pull plug of claim 1 wherein the outer housing includes a finger grip that projects from a corner of the outer housing for facilitating manual insertion and removal of the plug.

11. The push-pull plug of claim 10 wherein the outer housing has a substantially square cross-sectional shape, the finger grip extending from a corner of the substantially square cross-sectional shape.

12. The push-pull plug of claim 1 wherein the latch arm is connected to a front edge of the plug housing via a front latch arm support.

13. The push-pull plug of claim 12 wherein the latch arm is integral with the plug housing, the latch arm is hingedly attached to the upper surface of the plug housing by a flexible member, and the front latch arm support is disposed at an opposite end of the latch arm as the flexible member.

14. The push-pull plug of claim 13 wherein when the latch arm is in a mated position, the spacing between the latch arm and the upper surface of the plug housing increases with increasing distance from the flexible member, and the spacing between the front latch arm support and the upper surface of the plug housing essentially increases with decreasing distance from the flexible member.

15. The push-pull plug of claim 1 further comprising a boot attached to an end of the plug housing by a boot adapter, the boot and boot adapter separable from the plug housing.

16. The push-pull plug of claim 15 wherein the boot and boot adapter are separable from each other.

17. The push-pull plug of claim 1 wherein the retention notches extend inwardly and the retention notches and grooves are integral with the outer housing.

18. The push-pull plug of claim 1 wherein the rear plug wall extends farther from the upper housing than the latch.

19. The push-pull plug of claim 1 wherein the latch arm is integral with the rear plug wall.

20. The push-pull plug of claim 1 wherein substantially an entirety of a lower surface of the latch arm opposing the upper surface of the plug housing contacts the upper surface of the plug housing when the latch arm is in an unmated position.

21. A method of removing a push-pull plug from a jack comprising:

providing a plug having an outer housing and a plug housing, the outer housing including a cam surface and opposing retention notches, each retention notch having retention grooves, and the plug housing including a latch arm, the latch arm having a cam follower; and

pulling the outer housing back to a rearward position using a tool, which forces the cam surface backward and forces the cam follower downward;

wherein the downward motion of the cam follower causes the latch arm to move downwardly until the latch arm reaches an unmated position with the latch disengaged from a mating projection in the jack, and

wherein the tool comprises a handle, a stem, and a clip, the clip including two clip ridges, and the tool engages at least one retention groove in one retention notch with one clip ridge, then is axially rotated to engage at least one retention groove in the opposing retention notch with the other clip ridge.

22. The method of claim 21 wherein after the plug is removed from the jack, springs force the outer housing forwardly and the latch arm returns to a mated position.

23. A push-pull plug comprising:

a plug housing;

an outer housing surrounding the plug housing; and

a latch arm including a latch located on the plug housing, interaction between the outer housing and the latch arm allowing the plug to be removed by pulling the outer housing;

wherein the outer housing includes a plurality of retention notches, each retention notch extending inwardly and having retention grooves, the retention notches and retention grooves integral with the notches and grooves formed to serve as gripping aids.

24. The push-pull plug of claim 23 wherein:

the plug housing includes a rear plug wall that extends upwardly from an upper surface of the plug housing, and

the outer housing includes at least one of;

an outer housing latch that engages a top of the rear plug wall or a slider latch that engages a side of the rear plug wall.

25. The push-pull plug of claim 23 wherein:

the plug housing includes a rear plug wall that extends upwardly from an upper surface of the plug housing, and

the latch arm is integral with the plug housing, the latch arm hingedly attached to the upper surface of the plug housing by a flexible member.

26. The push-pull plug of claim 23 wherein:

the plug housing includes a rear plug wall that extends upwardly from an upper surface of the plug housing, and

the latch arm is integral with the rear plug wall.

27. The push-pull plug of claim 26 further comprising a boot attached to an end of the plug housing by a boot adapter, the boot and boot adapter separable from the plug housing.

28. The push-pull plug of claim 27 wherein the boot and boot adapter are separable from each other.

29. The push-pull plug of claim 23 wherein at least one cam follower extends laterally from the latch arm, the cam follower interacting with at least one cam surface on the outer housing during insertion and removal of the plug.

30. The push-pull plug of claim 23 wherein the outer housing includes a finger grip that projects from a corner of a substantially square cross-sectional shape formed by the outer housing.

31. The push-pull plug of claim 23 wherein the latch arm is connected to a front edge of the plug housing via a front latch arm support.

32. The push-pull plug of claim 31 wherein:

the latch arm is integral with the plug housing,

the latch arm is hingedly attached to an upper surface of the plug housing by a flexible member, and

the front latch arm support is disposed at an opposite end of the latch arm as the flexible member.

33. The push-pull plug of claim 32 wherein when the latch arm is in a mated position, the latch arm increases with distance from the upper surface of the plug housing with increasing distance from the flexible member, and the front latch arm support essentially increases with distance from the upper surface of the plug housing with decreasing distance from the flexible member.