Electromagnetic relay having a printed circuit board connection between the contacts and radio type plug-in connector

Claim 2

An electromagnetic relay comprising: an insulating base, a plurality of contacts supported by the base with each of the contacts including a contact portion located forwardly of a front side of the base, a terminal portion extending rearwardly from a rear side of the base and a portion extending through the base interconnecting the contact portion and terminal portion, a radio type plug-in pin connector including an insulating part having a front side positioned adjacent the rear side of the base, an internal cavity extending from the rear side of the base to a rear wall of the part and a plurality of tubular pins with each pin including a portion extending rearwardly from the rear wall and open end exposed to the cavity, and a printed circuit board assembly positioned in the cavity, said assembly including a printed circuit board having openings extending therethrough equal in number to the sum of the pins and terminal portions with half of said openings receiving a terminal end of the terminal portions, a pin in each of the remaining openings in the board with each of the pins having an end portion secured in its associated opening and a portion extending rearwardly from a rear side of the board telescopically received in and electrically connected to one of the tubular pins, and a printed circuit pattern on the board electrically interconnecting the terminal portions with the secured ends of the pins.

Claim 3

The relay as recited in claim 1 wherein the plug-in connector includes a cylindrical indexing plug extending rearwardly from the rear wall of the part and the tubular pins are radially spaced around the plug.

Claim 4

The relay as recited in claim 1 wherein the insulating base has a ledge extending around the peripheral edge of its front side and a cover for the relay has a rear edge positioned on the ledge.

Claim 5

An electromagnet relay comprising: a base, a magnet frame secured to the base, a magnet core secured to the frame, a coil surrounding the core, said coil having a pair of input terminals, an armature pivotally engaging the frame for movement toward and away from the core about a pivotal axis dispersed intermediate the ends of the armature, contact means supported by the base, said contact means including at least one stationary contact having a stationary contact portion located forwardly of a front side of the base, a terminal portion extending rearwardly from a rear side of the base and a portion extending through the base connecting the stationary contact portion and the terminal portion, said contact means further including at least one movable contact assembly, said assembly including a support having a terminal portion extending rearwardly from a rear side of the base, a portion extending forwardly through the base from the terminal portion to a free end that is spaced forwardly of the stationary contact portion, a flexible blade having an end mounted on the free end of the support and extending rearwardly to a free end, and a movable contact portion mounted on the free end of the blade for engagement with the stationary contact portion, a pair of terminals positioned by the base to have a terminal portion extending rearwardly of the rear side of the base and a portion extending forwardly of the front side of the base electrically connected to the coil terminals, a contact actuator carried by the armature and movable therewith, a one-piece spring clip secured to the frame and including means for maintaining the pivotal engagement of the armature on the frame, and a biasing means acting upon the armature at the side of the pivotal axis furthest from the core and urging the armature away from the core and the contact actuator into engagement with a portion of the blade intermediate its ends, a radio type plug-in pin connector including an insulating part having a front side positioned adjacent the rear side of the base, an internal cavity extending from the rear side of the base to a rear wall of the part and tubular pins at least equal in number to the number of terminal portions extending rearwardly from the rear wall of the base with each pin including a portion extending rearwardly from the rear wall and having an open end exposed to the cavity, and a printed circuit board assembly positioned in the cavity, said assembly including a printed circuit board having openings therethrough at least equal to twice the number of terminal portions extending from the rear wall of the base with half of said openings receiving the terminal portions extending from the rear wall of the base, a pin in each of the remaining openings in the board with each pin having an end portion secured in its associated opening and a portion extending rearwardly from a rear side of the board telescopically received in and electrically connected to one of the tubular pins, and a printed circuit pattern on the board electrically interconnecting the terminal portions in the openings in the board with the secured ends of the pins.

Claim 6

An electromagnet relay comprising: a base, a magnet frame secured to the base, a magnet core secured to the frame, a coil surrounding the core, said coil having a pair of input terminals, an armature pivotally engaging the frame for movement toward and away from the core about a pivotal axis dispersed intermediate the ends of the armature, contact means supported by the base, said contact means including at least one stationary contact having a stationary contact portion located forwardly of a front side of the base, a terminal portion extending rearwardly from a rear side of the base and a portion extending through the base connecting the stationary contact portion and the terminal portion, said contact means further including at least one movable contact assembly, said assembly including a support having a terminal portion extending rearwardly from a rear side of the base, a portion extending forwardly through the base from the terminal portion to a free end that is spaced forwardly of the stationary contact portion, a flexible blade having an end mounted on the free end of the support and extending rearwardly to a free end, and a movable contact portion mounted on the free end of the blade for engagement with the stationary contact portion, a pair of terminals positioned by the base to have a terminal portion extending rearwardly of the rear side of the base and a portion extending forwardly of the front side of the base electrically connected to the coil terminals, a contact actuator carried by the armature and movable therewith, a one-piece spring clip secured to the frame and including means for maintaining the pivotal engagement of the armature on the frame, and a biasing means acting upon the armature at the side of the pivotal axis furthest from the core and urging the armature away from the core and the contact actuator into engagement with a portion of the blade intermediate its ends, a radio type plug-in pin connector including an insulating part having a front side positioned adjacent the rear side of the base, an internal cavity extending from the rear side of the base to a rear wall of the part and tubular pins at least equal in number to the number of terminal portions extending rearwardly from the rear wall of the base with each pin including a portion extending rearwardly from the rear wall and having an open end exposed to the cavity, and a printed circuit board assembly positioned in the cavity, said assembly including a printed circuit board having openings therethrough at least equal to twice the number of terminal portions extending from the rear wall of the base with half of said openings receiving the terminal portions extending from the rear wall of the base, a pin in each of the remaining openings in the board with each pin having an end portion secured in its associated opening and a portion extending rearwardly from a rear side of the board telescopically received in and electrically connected to one of the tubular pins, and a printed circuit pattern on the board electrically interconnecting the terminal portions in the openings in the board with the secured ends of the pins.

Claim 7

The relay as recited in claim 4 whereon the end of the blade is connected to the end of the support by a slip-on connection.

Claim 8

The relay as recited in claim 4 wherein the base has a ledge extending around the peripheral edge of its front side and a cover for the relay has a rear edge positioned on the ledge.

Claim 9

The relay as recited in claim 4 wherein the contact means includes at least one pair of spaced stationary contacts and one movable contact assembly having contact portions arranged to alternately engage the stationary contact portions on the pair of stationary contacts.

Claim 10

The relay as recited in claim 1 wherein the plurality of contacts includes at least one pair of spaced stationary contacts and one movable contact having a contact portion movable in the space between the pair of stationary contacts.

Claim 11

The relay as recited in claim 8 wherein the movable contact is carried by a flexible blade and the flexible blade is connected to a support providing the terminal portion of the movable contact by a slip-on connection.

Claim 12

The relay as recited in claim 1 wherein the openings in the board receiving the terminal portions are located in a pair of parallel rows and the openings in which the ends of the pins are secured are located equidistantly from a common center.