Secondary latch sleeve for connector connections

• US 7,052,186 B1
• Filed: 06/08/2005
• Issued: 05/30/2006
• Est. Priority Date: 06/08/2005
• Status: Active Grant

• Current Assignee: ITT Manufacturing Enterprises, Inc. (ITT, Inc.)
• Original Assignee: ITT Manufacturing Enterprises, Inc. (ITT, Inc.)
• Inventors: Bates, Charles Linsday
• Primary Examiner(s): Connelly-Cushwa, Michelle
• Assistant Examiner(s): CHU, CHRIS H
• Application Number:
  US11/148,030
• Time in Patent Office: 356 Days
• Field of Search: 385/62, 385/75, 385/81, 385/139, 385/59, 439/352, 439357-358
• US Class Current: 385/59
• CPC Class Codes: G02B 6/3879 Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
• CPC Class Codes: G02B 6/3893 Push-pull type, e.g. snap-in, push-on

Abstract

A plurality of connectors (12, 14) of the type that has a primary latch with a handle (50) that can be depressed so the connector can be pulled out of a receiver passage (20, 22), and a secondary latch with a sleeve (60, 62) that can be slid forward to wedge a part under the handle so it cannot be depressed. The same slidable sleeve is used to normally connect a pair of connectors, while allowing a connector-to-be-serviced of the pair to be disconnected from the other one while said other one continues to lie in a receiver passage and carry signals. The sleeves are identical and each has a tongue and groove (74, 76) at its opposite sides, and also has engaged detents at its opposite sides. The groove is open at its front and rear ends.

Claims

1. A connector system that includes a plurality of connectors for forward insertion into laterally spaced passages of a receiver wherein said passages are spaced at a predetermined passage pitch, wherein each connector includes a housing with a body, said housings each including a primary latch with a front end merging with a front portion of said body and with a latch middle forming a pair of largely rearwardly-facing latch shoulders and with a latch rear end forming a latch handle that can be resiliently depressed to move down said latch shoulders to positions out of line with a pair of largely forwardly-facing receiver shoulders of said receiver, wherein each connector includes a sleeve slideably mounted on the body of the connector to slide longitudinally between forward and rearward positions, with each sleeve forming a wedge part that lies against a lower surface of the corresponding latch handle in the sleeve forward position but not in the sleeve rearward position, wherein:

said sleeves include couplings that hold at least a pair of connectors together at a pitch equal to said passage pitch so said pair of connectors can be inserted simultaneously into a pair of said passages and simultaneously removed from the pair of passages and so the pair of connectors remain together before and after insertion and removal;

said couplings being slideable in forward and rearward directions relative to each other and relative to said connector housings, to couple and uncouple said connectors from each other to allow one of said pair of connectors to be detached from the other by applying a large rearward force to one coupling to slide it rearward out of engagement with the other, whereby when said pair of connectors both lie in said receiver one of said connectors can be removed by sliding its sleeve rearward and then depressing its latch handle.

2. The system described in claim 1 wherein:

each of said sleeves has laterally opposite first and second sides, a first side of one sleeve having a laterally projecting tongue and a second side of a second sleeve forming an undercut groove that receives the tongue by sliding of the tongue both forwardly and rearwardly into the groove, said sleeves joined by said tongue lying in said groove;

one of said sides of one of said sleeves having at least one detent projection and an adjacent side of the other sleeve having at least one detent recess that receives said detent projection and resists longitudinal sliding of the detent out of the recess unless a large longitudinal force is applied, said tongue, groove and detent projection and recess forming said couplings.

3. The system described in claim 2 wherein each of said sleeves has top and bottom walls, and wherein:

said at least one detent projection and detent recess includes at least two of each;

said tongue and groove each lie about halfway between the top and bottom walls of the corresponding sleeve, and said detent projections and detent recesses each lie closer to the top and bottom walls of the corresponding sleeve than to said tongue or groove of the sleeve.

4. The connectors described in claim 1 wherein:

said sleeves are identical, each having first and second laterally opposite sides, the first side having a laterally projecting tongue and the second side having a groove that receives a tongue, each groove extending longitudinally and having open front and rear ends;

one side of each of said sleeves has a detent projection and the opposite side of the sleeve has a detent recess that receives a detent projection to temporarily fix the relative longitudinal positions of the sleeves, said tongues, grooves and detent projection and recess forming said couplings.

5. A system that includes a receiver having a plurality of passages, and a plurality of connectors that each has a housing with a body having a front portion that is insertable in a forward longitudinal direction into one of said passages, comprising:

first and second sleeves each surrounding one of said housing bodies and slideable in forward and rearward longitudinal directions on a corresponding body, said bodies and sleeves each having detent means that tend to retain the sleeve at each of two longitudinally spaced positions on its body, said first sleeve having laterally opposite sides and having an undercut tongue projection projecting from a first side of the first sleeve, and said second sleeve having laterally opposite sides and having an undercut groove extending along a second side of the second sleeve;

said first and second sides of said sleeves lying adjacent to each other and being connected together with said tongue projection lying in said groove;

each of said adjacent sides of said sleeve having detents that engage each other to prevent one of said sleeves from moving longitudinally relative to the other unless a large disengagement force is applied that urges one sleeve longitudinally with respect to the other sleeve.

6. The system described in claim 5 wherein each connector housing includes a latch forming latch shoulders that engage receiver shoulders of said receiver, and a latch handle that is depressable to disengage the latch shoulders from the receiver shoulders, and each of said sleeves is slideable to a forward position wedged under a corresponding handle to prevent handle depression and to a rearward position wherein the handle is released to be depressed, wherein:

said groove is open both forwardly and rearwardly, so either connector can be unlatched from said receiver shoulders and from the other connector by pulling its sleeve rearward and then depressing its latch handle.

7. The system described in claim 5 wherein:

said first and second sleeves are identical with each sleeve having one of said tongues at one side and one of said grooves at its laterally opposite side, with each of said sides having detents positioned to latch to a detent at the opposite side.

8. The system described in claim 6 wherein:

when one sleeve of a pair is slid to said rearward position but the other sleeve of the pair is in its forward position, and both connectors are fully installed in adjacent receiver passages, the tongue of one sleeve remains in the groove of the other sleeve.