Electrical distribution and/or connection device

• US 4,171,861 A
• Filed: 08/16/1977
• Issued: 10/23/1979
• Est. Priority Date: 08/18/1976
• Status: Expired due to Term

• Current Assignee: Wago-Kontakttechnik GmbH
• Original Assignee: Wago-Kontakttechnik GmbH
• Inventors: Hohorst, Wolfgang
• Primary Examiner(s): Lake, Roy
• Assistant Examiner(s): Jones, DeWalden W.
• Application Number:
  US05/825,064
• Time in Patent Office: 798 Days
• Field of Search: 339/198 G, 339/198 GA, 339/198 H
• US Class Current: 439/94
• CPC Class Codes: H01R 4/48455 insertion of a wire only possible by pressing on the spring
• CPC Class Codes: H01R 9/26 Clip-on terminal blocks for side-by-side rail- or strip-mounting
• CPC Class Codes: H01R 9/2608 Fastening means for mounting on support rail or strip H01R9/2691 takes precedence; for switch or other electrical device H02B1/042
• CPC Class Codes: H01R 9/2675 Electrical interconnections between two blocks, e.g. by means of busbars

Abstract

Electrical distribution and/or connection devices include an electrically connecting bridge having two contact limbs with respective contact points for the connection of respective electrical conductors. The contact points may comprise spring clamps. The devices may be formed for mounting in line on a rail and may be formed for the connecting bridge of adjacent devices to be interconnected by a removable bridge component which has two contact limbs for engaging the respective said connecting bridges at web portions thereof disposed between the respective contact points.

Claims

1. An electrical bridging connector (10) for electrically connecting a pair of adjacent generally parallel conductive contact members (14) each contained within a separate insulated housing (11), respectively, said housings being mounted on a common support (22), comprising

(a) a conductive U-shaped bridge member (10) extending between, and arranged with its axis extending parallel with the axes of, said contact members, said bridge member including a pair of parallel arm portions (12) extending in electrical engagement within openings contained within adjacent portions of said contact members, respectively, said bridge member also including a transverse portion (16) connecting said arm portions at one end;

and

(b) a handle head member (17) formed of insulating material and mounted on said bridge member transverse portion, whereby upon manual grasping of the handle head member, the bridge member may be inserted in electrical engagement between, or removed from engagement with, said pair of contact members.

2. Apparatus as defined in claim 1, wherein each of said contact member conductive arm portions is resilient and contains a generally longitudinally extending opening.

3. Apparatus as defined in claim 2, wherein the longitudinal edges (12a) of said arm portions are convexly curved outwardly to produce the resilient effect, said opening being provided with opposite and inwardly directed abutments (21) for limiting the resilient effect.

4. Apparatus as defined in claim 3, wherein said contact member openings comprise opposed grooves (13) for receiving said bridging member conductive arm portions, respectively.

5. Resilient electrical connector means for clamping an electric conductor beneath a terminal of a separate contact bridge formed as an abutment, comprising

a spring member (48) of generally tubular configuration including a first portion (48b) extending parallel with said contact bridge and connected against longitudinal displacement relative thereto, said spring member including a second portion (48c) arranged at an angle relative to said contact bridge, said second portion containing a conductor-receiving opening (48e).

6. Apparatus as defined in claim 5, wherein said first portion extends through said opening (48e) of said second portion and terminates in a bent portion (48a) which extends toward said contact bridge member.

7. Apparatus as defined in claim 6, wherein said contact bridge is provided with a recess (44c) for receiving said spring member bent portion.

8. Apparatus as defined in claim 7, wherein said spring member second portion (48c) includes spring means (48g) that defines a clamping edge adjacent the contact bridge, wherein said clamping edge is directed toward the recess contained in said contact bridge.

9. Apparatus as defined in claim 8, wherein said spring terminal has a central portion of generally M-shaped configuration, said contact bridge having a generally U-shaped cross-sectional configuration.

10. Apparatus as defined in claim 5, wherein the contact bridge is arranged within a housing formed from insulating material and mounted on a fixed mounting rail (59,60);

and further including ground bridge means (68) for connecting said contact bridge with ground, said ground bridge means containing a clamping groove (70,71) for receiving a marginal portion of said mounting rail.

11. Apparatus as defined in claim 10, and further including flat spring means (72,73) mounted in said clamping groove for resisting displacement of said ground bridge means relative to said mounting rail.

12. Apparatus as defined in claim 10, wherein said mounting rail includes resilient marginal rail portions (59a, 60a).

13. Connector means for electrically connecting the ends of a pair of conductors, comprising

(a) a contact bridge member (90) containing at opposite ends openings (104) for receiving said conductors, respectively;

and

(b) claimping spring means (91,92) for clamping said conductors in said openings, respectively, said clamping spring means including at each end of said contact bridge member

(1) a resilient U-shaped portion arranged on one side of said contact bridge member, said U-shaped portion including a first arm portion (101,105) spaced from the associated end of said contact bridge member and connected against longitudinal displacement relative thereto, said U-shaped portion also including a second arm portion (95) containing an opening (97) receiving the associated end portion of said contact bridge member;

(2) the other side of said contact bridge member containing a slot (96) communicating with the associated conductor-receiving opening, the free end (95a) of said second arm portion extending within said slot to retain a conductor within the conductor-receiving opening.

14. Apparatus as defined in claim 13, wherein said clamping spring means includes two separate U-shaped clamping springs (91), the first arm portions (101) of said springs extending within corresponding slots (102) contained in said contact bridge member, respectively.

15. Apparatus as defined in claim 13, wherein said clamping spring means comprises a resilient unitary member (92) including a connecting portion (92a) that connects the extremities of said first arm portions of said U-shaped portions, said first arm portions and said connecting portion extending within a corresponding recess contained in said one surface of said contact bridge member.

16. An electrical connector assembly, comprising

(a) a plurality of terminal housings (110) each formed of insulating material and containing a conductive contact bridge member having at each end a conductor-receiving opening, and clamping spring means for retaining conductors in said openings, respectively;

and

(b) a mounting rail (111) having longitudinally extending marginal flange portions;

(c) each of said housings including foot-like extensions (121) adapted for cooperation with one of said marginal flange portions to define a pivot axis (117) extending longitudinally of said mounting rail, thereby to permit the housing to be pivoted about said one marginal flange portion toward a mounted position on, and extending transversely of, said rail; and

(d) retaining dog and recess means (115,116) releasably connecting said housings together against longitudinal displacement relative to said mounting rail.

17. Apparatus as defined in claim 16, wherein said retaining dog and recess means are arranged between adjacent surfaces of successive housings, said retaining dog and recess means having cooperating arcuate surfaces the centers of curvature of which are contained on said pivot axis.