Electromagnetic relay

Claim 2

A contact-lead frame stamped and formed from a coplanar sheet of conductive material, comprising: a. a plurality of contact members positioned on one or another of two parallel, spaced apart elongated side strips, said members including, i. a first contact member having an inner end forming a first fixed contact; ii. a second contact member positioned on the same side strip as the first contact member and having a inner end consisting of a laterally projecting tab forming a second fixed contact, said second fixed contact being spaced above the plane of the first fixed contact, and iii. a movable contact member positioned on the other side strip opposite said first and second contact members and having an inner end forming a movable contact arm extending to and adapted for contacting said first and second fixed contacts; and b. means for connecting said contact members to electrical circuits.

Claim 3

The contact-lead frame of claim 1 wherein said side strips are connected at either end to an end strip, said end strips being formed in a U-shape.

Claim 4

A contact-lead frame stamped and formed from a coplanar sheet of conductiVe material for use in an electromagnet relay assembly comprising: a. two parallel, spaced apart end strips formed in a U-shape; b. a first and second elongated side strips perpendicular to and integral with said end strips; c. a plurality of contact members integral with the side strips and parallel to the end strips, and including i. a first contact member with an inner end forming a first fixed contact, ii. a second contact member being positioned adjacent to the first contact member and having a laterally projecting tab forming a second fixed contact, said tab being spaced above the plane of the first fixed contact, and iii. a movable contact member positioned opposite said first and second contact members and having a movable contact arm extending to and capable of contacting said first and second fixed contacts.

Claim 5

A contact-lead frame stamped and formed from a coplanar sheet of conductiVe material for use in an electromagnet relay assembly comprising: a. two parallel, spaced apart end strips formed in a U-shape; b. a first and second elongated side strips perpendicular to and integral with said end strips; c. a plurality of contact members integral with the side strips and parallel to the end strips, and including i. a first contact member with an inner end forming a first fixed contact, ii. a second contact member being positioned adjacent to the first contact member and having a laterally projecting tab forming a second fixed contact, said tab being spaced above the plane of the first fixed contact, and iii. a movable contact member positioned opposite said first and second contact members and having a movable contact arm extending to and capable of contacting said first and second fixed contacts.

Claim 6

A frame stamped and formed from a planar sheet of conductive material for use in an electromagnet relay assembly comprising: a. two parallel, spaced apart end strips formed in a U-shape, b. a first and second side strips perpendicular to and integral with said end strips and joining said end strips at the ends thereof; and c. five contact members integrally attached to said side strips, each member having intermediate portions with posts at one end, said intermediate portions and post being in the same plane as said side strips, said contact members further having inner ends bent into substantially the same plane as the bight of said U-shaped end strips, said inner ends being formed to include, i. a first fixed contact, ii. a second fixed contact, said second fixed contact being positioned adjacent said first fixed contact and including a laterally projecting tab extending across and spaced above said first fixed contact, iii. a movable contact arm formed from a contact member positioned on a side strip opposite said first fixed contact, said movable contact arm extending inbetween said first and second fixed contacts, and iv. two coil contact lead legs and two armature assembly biasing legs, one of each of said lead and biasing legs being formed fron a split free end of an inner end positioned on either side of said movable contact arm, said lead leg being adapted to electrically engage an electromagnet in said relay assembly.

Claim 7

A frame stamped and formed from a planar sheet of conductive material for use in an electromagnet relay assembly comprising: a. two parallel, spaced apart end strips formed in a U-shape, b. a first and second side strips perpendicular to and integral with said end strips and joining said end strips at the ends thereof; and c. five contact members integrally attached to said side strips, each member having intermediate portions with posts at one end, said intermediate portions and post being in the same plane as said side strips, said contact members further having inner ends bent into substantially the same plane as the bight of said U-shaped end strips, said inner ends being formed to include, i. a first fixed contact, ii. a second fixed contact, said second fixed contact being positioned adjacent said first fixed contact and including a laterally projecting tab extending across and spaced above said first fixed contact, iii. a movable contact arm formed from a contact member positioned on a side strip opposite said first fixed contact, said movable contact arm extending inbetween said first and second fixed contacts, and iv. two coil contact lead legs and two armature assembly biasing legs, one of each of said lead and biasing legs being formed fron a split free end of an inner end positioned on either side of said movable contact arm, said lead leg being adapted to electrically engage an electromagnet in said relay assembly.

Claim 8

A contact-lead frame stamped and formed from a coplanar sheet of conductive material for use in an electromagnet relay assembly comprising: a. two parallel, spaced apart end strips formed in a U-shape; b. a first and second elongated side strips perpendicular to and integral with said end strips; c. a plurality of contact members integral with the side strips and parallel to the end strips, and including i. a first contact member with an inner end forming a first fixed contact, ii. a second contact member being positioned adjacent to the first contact member and having a laterally projecting tab forming a second fixed contact, said tab being spaced above the plane of the first fixed contact, and iii. a movable contact member positioned opposite said first and second contact members and having an inner end formed into a U-shaped, double arm contact with a first arm being in overlying relation to the first fixed contact and a second arm being in underlying relation to the second fixed contact so that when the movable contact member is in a downward position electrical contact is made only with the first fixed contact and when the movable contact member is pushed upwardly, electrical contact is made only with the second fixed contact.

Claim 9

A contact-lead frame stamped and formed from a coplanar sheet of conductive material for use in an electromagnet relay assembly comprising: a. two parallel, spaced apart end strips formed in a U-shape; b. a first and second elongated side strips perpendicular to and integral with said end strips; c. a plurality of contact members integral with the side strips and parallel to the end strips, and including i. a first contact member with an inner end forming a first fixed contact, ii. a second contact member being positioned adjacent to the first contact member and having a laterally projecting tab forming a second fixed contact, said tab being spaced above the plane of the first fixed contact, and iii. a movable contact member positioned opposite said first and second contact members and having an inner end formed into a U-shaped, double arm contact with a first arm being in overlying relation to the first fixed contact and a second arm being in underlying relation to the second fixed contact so that when the movable contact member is in a downward position electrical contact is made only with the first fixed contact and when the movable contact member is pushed upwardly, electrical contact is made only with the second fixed contact.

Claim 10

The contact-lead frame of claim 5 wherein said movable contact member is swaged to form a hinge.

Claim 11

The contact-lead frame of claim 6 further including biasing means for biasing an armature in the electromagnet relay assembly.

Claim 12

The contact-lead frame of claim 7 wherein said biasing means and said first and second contact members and said movable contact member forms a unit and there are a plurality of such units.

Claim 13

The contact-lead frame of claim 8 wherein said plurality of units are arranged on the frame so that adjacent units are orientated in an opposite direction.