Notched contact for a modular plug
View Patent ↗A metallic contact for insertion into a modular telecommunications plug includes a generally planar body defining a top end, a bottom end, a front end, a rear end, and a length extending from the front end to the rear end. The bottom end is at least partially defined by a blade for piercing an insulation of a wire positioned within the plug. At least a portion of the top end is configured to electrically contact a conductor of a jack that receives the plug. The top end is defined at least in part by a first engagement surface that is separated from a second engagement surface by a notch. An uppermost portion of the first engagement surface defines a first push surface that is generally at the same height as a second push surface defined by an uppermost portion of the second engagement surface. The notch is defined by a front vertical wall spaced from a rear vertical wall, wherein the front vertical wall is positioned at a distance of at least half the length of the contact from the front end of the contact.
1. A metallic contact configured for insertion into a modular telecommunications plug, the contact comprising:
a generally planar body defining a top end, a bottom end, a front end, a rear end, and a length extending from the front end to the rear end, wherein the bottom end is at least partially defined by a blade for piercing an insulation of a wire positioned within the plug and at least a portion of the top end is configured to electrically contact a conductor of a jack that receives the modular telecommunications plug;
the top end defined at least in part by a first engagement surface that is separated from a second engagement surface by a notch, wherein an uppermost portion of the first engagement surface defines a first push surface that is generally at the same height as a second push surface defined by an uppermost portion of the second engagement surface;
the notch defined by a front vertical wall spaced from a rear vertical wall, wherein the front vertical wall defining the notch is positioned at a distance of at least half the length of the contact from the front end of the contact.
2. The contact of claim 1 , further comprising at least two blades for piercing the insulation of a wire positioned within the plug.
3. The contact of claim 1 , wherein at least a portion of the first engagement surface defines a rounded portion transitioning from the front end of the contact to the first push surface.
4. The contact of claim 3 , wherein at least a portion of the second engagement surface defines a rounded portion transitioning from the rear end of the contact to the second push surface.
5. The contact of claim 1 , wherein the first and second push surfaces are generally flat surfaces perpendicular to the front and rear vertical walls of the notch.
6. The contact of claim 1 , wherein the notch is generally square-shaped.
7. A modular telecommunications plug for connection to a jack, the modular telecommunications plug comprising:
a housing defining a latch for snap-fit engagement with the jack, the housing further defining a front termination end and a rear cable receiving end, the front termination end configured to house a plurality of wires of a telecommunications cable to be inserted into the housing from the rear cable receiving end along a cable insertion direction, the front termination end also including a plurality of contacts configured to engage the plurality of wires in a direction generally perpendicular to the cable insertion direction;
each of the contacts comprising:
a generally planar body defining a top end, a bottom end, a front end, a rear end, and a length extending from the front end to the rear end, wherein the bottom end is at least partially defined by a blade for piercing an insulation of a wire positioned within the plug and at least a portion of the top end is configured to electrically contact a conductor of a jack that receives the modular telecommunications plug;
the top end defined at least in part by a first engagement surface that is separated from a second engagement surface by a notch, wherein an uppermost portion of the first engagement surface defines a first push surface that is generally at the same height as a second push surface defined by an uppermost portion of the second engagement surface;
the notch defined by a front vertical wall spaced from a rear vertical wall, wherein the front vertical wall defining the notch is positioned at a distance of at least half the length of the contact from the front end of the contact.
8. The modular telecommunications plug of claim 7 , wherein the plug is a registered jack type modular plug.
9. The modular telecommunications plug of claim 7 , wherein each contact includes at least two blades for piercing the insulation of a wire positioned within the plug.
10. The modular telecommunications plug of claim 7 , wherein at least a portion of the first engagement surface defines a rounded portion transitioning from the front end of the contact to the first push surface.
11. The modular telecommunications plug of claim 10 , wherein at least a portion of the second engagement surface defines a rounded portion transitioning from the rear end of the contact to the second push surface.
12. The modular telecommunications plug of claim 7 , wherein the first and second push surfaces are generally flat surfaces perpendicular to the front and rear vertical walls of the notch.
13. The modular telecommunications plug of claim 7 , wherein the notch is generally square-shaped.
14. A telecommunications cable assembly comprising:
a modular telecommunications plug for connection to a jack, the modular telecommunications plug comprising a housing defining a latch for snap-fit engagement with the jack;
a telecommunications cable defining a cable jacket surrounding a plurality of insulated wires coupled to the housing, wherein a plurality of contacts of the modular telecommunications plug engage the wires of the telecommunications cable coupled to the housing;
each of the contacts comprising:
a generally planar body defining a top end, a bottom end, a front end, a rear end, and a length extending from the front end to the rear end, wherein the bottom end is at least partially defined by a blade for piercing an insulation of a wire coupled to the plug and at least a portion of the top end is configured to electrically contact a conductor of a jack that receives the modular telecommunications plug;
the top end defined at least in part by a first engagement surface that is separated from a second engagement surface by a notch, wherein an uppermost portion of the first engagement surface defines a first push surface that is generally at the same height as a second push surface defined by an uppermost portion of the second engagement surface;
the notch defined by a front vertical wall spaced from a rear vertical wall, wherein the front vertical wall defining the notch is positioned at a distance of at least half the length of the contact from the front end of the contact.
15. A method of manufacturing a metallic contact for a modular plug comprising the steps of:
stamping a contact from a planar metallic sheet, wherein the contact includes a body defining a top end, a bottom end, a front end, a rear end, and a length extending from the front end to the rear end, wherein the bottom end is configured to at least partially define a blade for piercing an insulation of a wire and the top end is defined at least in part by a first engagement surface that is separated from a second engagement surface by a notch, wherein an uppermost portion of the first engagement surface defines a first push surface that is generally at the same height as a second push surface defined by an uppermost portion of the second engagement surface, the notch being defined by a front vertical wall spaced from a rear vertical wall, wherein the front vertical wall defining the notch is positioned at a distance of at least half the length of the contact from the front end of the contact; and
coating at least a portion of the top end of the contact with a precious metal.
16. A method according to claim 15 , further comprising stamping a plurality of the contacts from a planar metallic sheet.
17. A method according to claim 15 , wherein the precious metal includes gold.
18. A method according to claim 15 , wherein the precious metal includes palladium nickel.
19. A method according to claim 15 , further comprising coating the first engagement surface including the first push surface and the second engagement surface including the second push surface with the precious metal.
20. A modular telecommunications plug for connection to a jack, the modular telecommunications plug comprising:
a housing defining a latch for snap-fit engagement with the jack, the housing further defining a front termination end and a rear cable receiving end, the front termination end configured to house a plurality of wires of a telecommunications cable to be inserted into the housing from the rear cable receiving end along a cable insertion direction, the front termination end also including a plurality of contacts configured to engage the plurality of wires in a direction generally perpendicular to the cable insertion direction;
each of the contacts comprising:
a generally planar body defining a top end, a bottom end, a front end, a rear end, and a length extending from the front end to the rear end, wherein the bottom end is at least partially defined by a blade for piercing an insulation of a wire positioned within the plug and at least a portion of the top end is configured to electrically contact a conductor of a jack that receives the modular telecommunications plug;
the top end defined at least in part by a first engagement surface that is separated from a second engagement surface by a notch, wherein an uppermost portion of the first engagement surface defines a first push surface that is generally at the same height as a second push surface defined by an uppermost portion of the second engagement surface;
wherein the first engagement surface is closer to the front termination end than the second engagement surface;
wherein the second engagement surface is closer to the rear cable receiving end than the first engagement surface;
wherein the first engagement surface is longer than the second engagement surface; and
wherein the notch is defined by a front vertical wall spaced from a rear vertical wall, the front vertical wall defining the notch being positioned at a distance of at least half the length of the contact from the front end of the contact, the first and second push surfaces being generally flat surfaces perpendicular to the front and rear vertical walls of the notch.
21. The modular telecommunications plug of claim 20 , wherein the plug is a registered jack type modular plug.
22. The modular telecommunications plug of claim 20 , wherein each contact includes at least two blades for piercing the insulation of a wire positioned within the plug.
23. The modular telecommunications plug of claim 20 , wherein at least a portion of the first engagement surface defines a rounded portion transitioning from the front end of the contact to the first push surface.
24. The modular telecommunications plug of claim 23 , wherein at least a portion of the second engagement surface defines a rounded portion transitioning from the rear end of the contact to the second push surface.
25. The modular telecommunications plug of claim 20 , wherein the notch is generally square-shaped.