Modular telecommunications terminal block

• US 5,273,449 A
• Filed: 07/30/1992
• Issued: 12/28/1993
• Est. Priority Date: 03/26/1990
• Status: Expired due to Fees

• Current Assignee: Raychem Corporation (TE Connectivity Limited)
• Original Assignee: Raychem Corporation (TE Connectivity Limited)
• Inventors: Milroy, James C., Shimirak, Gerald L., Scarampi, Sebastiano, Chan, Paul S., Mattis, John S., von der Lippe, Paul
• Primary Examiner(s): Abrams, Neil
• Application Number:
  US07/922,460
• Time in Patent Office: 516 Days
• Field of Search: 439/199, 439/201, 439/278, 439/279, 439/519, 439/520, 439/521, 439/522, 439/936, 439/141, 439/404, 439/426, 174/76
• US Class Current: 439/201
• CPC Class Codes: H01R 13/52 Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
• CPC Class Codes: H01R 13/5216 characterised by the sealing material, e.g. gels or resins
• CPC Class Codes: H01R 2201/16 for telephony
• CPC Class Codes: H01R 25/003 the coupling part being secured only to wires or cables
• CPC Class Codes: H01R 31/065 with built-in electric apparatus
• CPC Class Codes: H01R 4/2433 one part of the base being movable to push the cable into the slot
• CPC Class Codes: H01R 4/2454 forming a U-shape with slotted branches
• CPC Class Codes: H01R 9/2408 Modular blocks H01R9/26 takes precedence
• CPC Class Codes: H01R 9/2425 Structural association with built-in components for coupling parts H01R13/66
• CPC Class Codes: Y10S 439/936 Potting material or coating, e.g. grease, insulative coating, sealant or, adhesive

Abstract

The invention provides for a modularized terminal block and an improved method of manufacturing the modular block. The block permits the connection of a plurality of drop wires or other devices in a reversible manner through the use of a standardized plug in module configuration. The module can be optimized for a given drop wire range which then uniformly connects to the base block through a standardized demateable contact. The mateable connectors each include a collapsible container filled with a sealant material such as gel or grease and an enclosed contact. Upon mating of the contacts, the deformation of the containers maintains the sealant material under compression.

Claims

1. An apparatus for forming a reversible and environmentally protected electric contact between electrical contacts comprising:

a first elastomeric container containing a first electrical contact and a separate second container containing a second electrical contact directly mateable to the first electrical contact in the first elastomeric container wherein said first elastomeric container is filled with a sealing material and collapsible and radially expandable to maintain the sealing material under compression upon engagement of said first and second electrical contacts, and upon disengagement the sealing material moves back to its prior shape.

2. The apparatus according to claim 1 wherein the second container is filled with a sealing material.

3. The apparatus according to claim 2 wherein the second container is an elastomeric container.

4. The apparatus according to claim 3 wherein the sealing material is a grease.

5. The apparatus according to claim 3 wherein the sealing material is a gel.

6. The apparatus according to claim 5 wherein the gel has a Voland hardness of from about 525 g to about 5 g with an ultimate elongation of at least 75%.

7. The apparatus according to claim 6 wherein the gel is selected from the group consisting of poly organo siloxanes, polyurethanes, polyuresas, styrene-butachiene/styrene-isoprene block copolymers, and combinations and mixtures thereof.

8. The apparatus according to claim 7 wherein the first and second containers are each closed ended with a separating slit member which separates to permit engagement of the first and second electrical contacts when urged together.

9. An apparatus for forming a reversible and environmentally protected electric contact between electrical contacts comprising:

a first elastomeric container containing a first electrical contact and a second elastomeric container containing a second electrical contact mateable to the first electrical contact in the first elastomeric container, wherein both said elastomeric containers are filled with a sealing material and collapsible and radially expandable upon engagement of said first and second electrical contacts, and

said first and second containers are each closed ended with a separating slit member which separates to permit engagement of the first and second electrical contacts when urged together.