IP Library Granted Patent US 12700704
Granted Patent B2
US 12700704 · App. 17/797,147 · Granted Aug 4, 2026

Busbar connector

Inventors: Chiuming Lu (Lisle, IL); Robert Piszczor (LaGrange, IL); Mark Cole (Lisle, IL); Trent C Perkins (Aurora, IL); Ralph Kern (Lisle, IL)
Assignee: Molex, LLC
H01R25/14H01R13/112H01R13/113H01R13/2457H01R13/516H01R13/629
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Quick Facts
Patent No.
US 12700704
App. No.
17/797,147
Granted
Aug 4, 2026
Kind
B2
Abstract

A busbar connector includes an insulative housing which is configured to accept a busbar assembly therein. The busbar connector is connected to an electrical device, such as a server. The busbar connector includes contact terminals which engage with busbars for distributing power. The busbar connector can include a signal housing having signal contact terminals for connection to a signal component of the busbar assembly.

Claims (40)

1 . A busbar connector comprising:

an insulative housing having a top wall, a bottom wall and opposite side walls extending therebetween, wherein the housing has a front end and a rear end and a longitudinal axis defined therebetween, a cavity extending through the housing and defining front and rear openings, one of the top and bottom walls having an elongated slot extending from the rear end of the housing toward the front end of the housing that is open to the cavity, and a passageway extending through the housing and defining front and rear openings, the passageway being vertically spaced from the elongated slot, wherein a busbar is configured to extend into the slot and into the cavity;

first and second contact terminals, each contact terminal including a body having a front end and a rear end, and a set of spring fingers extending from the rear end of the body, the contact terminal being positioned within the cavity with the respective body being coupled to the housing and a rear end of the spring fingers being proximate to the rear end of the housing, wherein the set of spring fingers of the first contact terminal is positioned on a first side of the rear opening and the set of spring fingers of the second contact terminal is positioned on a second side of the rear opening, wherein the contact terminals are electrically isolated from each other by the housing, and wherein a receiving space is defined between the spring fingers in which at least one busbar is configured to be received; and

a third contact terminal at least partially within the passageway, the third contact terminal being electrically isolated from the first and second contact terminals by the housing, the third contact terminal being configured to transmit signals therethrough.

2 . An assembly including the busbar connector as defined in claim 1 and a busbar assembly, the busbar assembly including a first busbar, a second busbar electrically isolated from the first busbar, and a printed circuit board, wherein the first busbar seats within the elongated slot and the receiving space and engages with the first contact terminal, the second busbar seats within the elongated slot and the receiving space and engages with the second contact terminal, and the printed circuit board engages with the third contact terminal.

3 . The busbar connector as defined in claim 1 ,

wherein each first and second contact terminal further comprises a second set of spring fingers extending from the body and which is offset from the first-defined set of spring fingers in a direction transverse to the longitudinal axis and offset from the first-defined set of spring fingers along the longitudinal axis, wherein each second set of spring fingers further defines the receiving space.

4 . The busbar connector as defined in claim 1 , wherein the third contact terminal is a pogo pin.

5 . The busbar connector as defined in claim 1 , wherein the third contact terminal is an edge lock connector.

6 . The busbar connector as defined in claim 1 , wherein a first pair of electrically coupled contact terminals configured to transmit signals are mounted within the passageway and define a receiving space therebetween, and a second pair of electrically coupled contact terminals configured to transmit signals are mounted within the passageway and define a receiving space therebetween, the first pair of electrically coupled contact terminals are electrically isolated from the second pair of electrically coupled contact terminals by the housing, the first pair of electrically coupled contact terminals being spaced vertically below the second pair of electrically coupled contact terminals.

7 . The busbar connector as defined in claim 1 , wherein the rear opening of the passageway is positioned vertically above or below, and aligned with, the receiving space.

8 . The busbar connector as defined in claim 1 , wherein at least two passageways are provided in the housing, each passageway having a contact terminal therein which is configured to transmit signals therethrough and is electrically isolated from the other contact terminals by the housing.

9 . The busbar connector as defined in claim 1 , further comprising at least one additional passageway in the housing which has a contact terminal therein configured to transmit signals therethrough thereby forming a first set of passageways, wherein each contact terminal which is configured to transmit signals in the first set of passageways is electrically isolated by the housing, wherein the passageways in the first set are offset in in a direction transverse to the longitudinal axis from the rear opening of the cavity

and further comprising at least two additional passageways provided in the housing which form a second set of passageways, each passageway in the second set having a contact terminal therein which is configured to transmit signals therethrough and is electrically isolated by the housing, wherein the passageways in the second set are offset in in the direction transverse to the longitudinal axis from the rear opening of the cavity and are laterally spaced from the first set of passageways.

10 . The busbar connector as defined in claim 1 , wherein the passageway is offset to a first side of the rear opening of the cavity, and

further comprising a second passageway extending through the housing and defining front and rear openings; and

a fourth contact terminal within the second passageway which is configured to transmit signals therethrough, the fourth contact terminal being electrically isolated from the first, second and third contact terminals by the housing, the second passageway being offset to a second side of the rear opening of the housing.

11 . The busbar connector as defined in claim 1 , wherein the housing is formed of a first housing and a second housing which are integrally formed, the first and second contact terminals being provided in the first housing, and the third contact terminal being provided in the second housing.

12 . The busbar connector as defined in claim 1 , wherein the housing is formed of a first housing and a second housing which are formed separately and joined together, the first and second contact terminals being provided in the first housing, and the third contact terminal being provided in the second housing.

13 . A busbar connector comprising:

an insulative housing having a front end and a rear end and defining a longitudinal axis therebetween, a first cavity extending through the housing and defining front and rear openings, and a second cavity extending through the housing and defining front and rear openings;

first and second contact terminals, each contact terminal including a body having a front end and a rear end, and a set of spring fingers extending from the rear end of the body, each contact terminal being positioned within the first cavity with the respective body being coupled to the housing and a rear end of the spring fingers being proximate to the rear end of the housing, wherein the set of spring fingers of the first contact terminal is positioned on a first side of the rear opening of the first cavity and the set of spring fingers of the second contact terminal is positioned on a second side of the rear opening of the first cavity, wherein the first and second contact terminals are electrically coupled to each other, and wherein a receiving space is defined between the spring fingers in which a busbar is configured to be received; and

third and fourth contact terminals, each third and fourth contact terminal including a body having a front end and a rear end, and a set of spring fingers extending from the rear end of the body, each third and fourth contact terminal being positioned within the second cavity with the respective body being coupled to the housing and a rear end of the spring fingers being proximate to the rear end of the housing, wherein the set of spring fingers of the third contact terminal is positioned on a first side of the rear opening of the second cavity and the set of spring fingers of the fourth contact terminal is positioned on a second side of the rear opening of the second cavity, wherein the third and fourth contact terminals are electrically coupled to each other and electrically isolated from the first and second contact terminals, and wherein a receiving space is defined between the spring fingers of the third and fourth contact terminals in which a second busbar is configured to be received.

14 . An assembly including the busbar connector as defined in claim 13 and a first busbar which seats within the receiving space between the first and second contact terminals and engages with the first and second contact terminals;

and a second busbar electrically isolated from the first busbar and which seats within the receiving space between the third and fourth contact terminals and engages with the third and fourth contact terminals.

15 . The busbar connector as defined in claim 13 , wherein the housing includes a first housing portion and a second housing portion mounted in a cavity in the first housing portion, and further comprising a passageway extending through the second housing portion and defining front and rear openings; and a fifth contact terminal within the passageway which is configured to transmit signals therethrough, wherein the cavity is larger than the second housing portion such that the second housing portion is movable relative to the first housing portion in a direction transverse to the longitudinal axis.

16 . The busbar connector as defined in claim 13 , wherein each contact terminal further comprises a second set of spring fingers extending from the body and which is offset from the first-defined set of spring fingers in a direction transverse to the longitudinal axis, wherein each second set of spring fingers further defines the respective receiving space.

17 . A busbar connector comprising:

an insulative housing having a front end and a rear end and defining a longitudinal axis therebetween, a cavity extending through the housing and defining front and rear openings; and

first and second contact terminals, each contact terminal including a body having a front end and a rear end, a first set of spring fingers extending from the rear end of the body, each spring finger in the first set having a bump and a planar section and terminating in a free end, and a second set of spring fingers extending from the rear end of the body, each spring finger in the second set having a bump and a planar section and terminating in a free end, wherein the planar section of the respective spring finger in the second set is offset from the planar section of the respective spring finger in the first set in a direction transverse to the longitudinal axis and the free ends of the spring fingers of the second set are offset from the bumps of the spring fingers of the first set along the longitudinal axis and vertically align with the planar sections of the first set of spring fingers, each contact terminal being positioned within the cavity with the respective body being coupled to the housing and the free ends of the spring fingers of the first set being proximate to the rear end of the housing, wherein the first and second sets of spring fingers of the first contact terminal is positioned on a first side of the rear opening and the first and second sets of spring fingers of the second contact terminal is positioned on a second side of the rear opening, and

wherein a receiving space is defined between the first and second sets of spring fingers of the first contact terminal and the first and second sets of spring fingers of the second contact terminal in which a busbar is configured to be received.

18 . An assembly including the busbar connector as defined in claim 17 and a busbar assembly, the busbar assembly including a first busbar, a second busbar, an insulator electrically isolating the first busbar from the second busbar, the busbar assembly seating within the receiving space with the first busbar engaging with the first contact terminal and the second busbar engaging with the second contact terminal.

19 . The busbar connector as defined in claim 17 , wherein the first and second contact terminals are electrically coupled to each other.

20 . The busbar connector as defined in claim 17 , wherein the first and second contact terminals are electrically isolated from each other by the housing.

21 . The busbar connector as defined in claim 17 , wherein each spring finger in each first set has the same length between a front end thereof and a rear end thereof, and wherein each spring finger in each second set has the same length between a front end thereof and a rear end thereof.

22 . The busbar connector as defined in claim 17 , wherein first ones of the spring fingers in each first set has the same length between a front end thereof and a rear end thereof and second ones of the spring fingers in each first set has the same length between a front end thereof and a rear end thereof, wherein the lengths are different, and

first ones of the spring fingers in each second set has the same length between a front end thereof and a rear end thereof and second ones of the spring fingers in each second set has the same length between a front end thereof and a rear end thereof, wherein the lengths are different.

23 . The busbar connector as defined in claim 17 , wherein each body is formed of a first body section and a second body section that are electrically coupled together, wherein the first set of spring fingers extend from the first body section, and the second set of spring fingers extend from the second body section.

24 . The busbar connector as defined in claim 1 , wherein the top and bottom walls has an elongated slot therein which are aligned, wherein the busbar is configured to extend into the elongated slots and into the cavity.

25 . An assembly of the busbar connector as defined in claim 1 and a busbar assembly, wherein the busbar assembly includes busbar and a printed circuit board, wherein the busbar seats within the receiving space and the elongated slot and engages with the first and second contact terminals, and the printed circuit board engages with the third contact terminal.