Electrical connectors – With supporting means for coupling part – Coupling part or mating part extending into panel opening
Patent
1991-11-12
1994-08-09
Desmond, Eugene F.
Electrical connectors
With supporting means for coupling part
Coupling part or mating part extending into panel opening
439572, H01R 1374
Patent
active
053361105
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
One type of connector designed to mount on a circuit board, includes a group of downwardly-depending pegs which fit into holes drilled into the circuit board. When the pegs have been fully inserted through the top surface of the circuit board and project through the bottom surface, the bottom of the pegs are heat deformed into a mushroom shape to trap the pegs in the board and thereby hold the connector in place during subsequent soldering of connector contacts to plated-through holes of the board and afterwards. Such heat-staked pegs involve time-consuming operations in melting the bottoms of the peg, and can be unreliable because the holding power of the pegs depends on the thickness of the circuit board, and the pressure and temperature applied to the pegs during their deformation. A peg arrangement which enables secure holding of a connector to a circuit board or other board-like device, which avoided the need for heat staking the pegs while assuring reliable holddown of the connector, would be of considerable value.
SUMMARY OF THE INVENTION
In accordance with one embodiment of the present invention, a connector is provided that has pegs for installation in holes of a circuit board or the like, which facilitates installation and assures reliable holding of the connector to the board. Each peg has a peg body with an axis, and has ribs extending radially outwardly from the body for interference fit in a board hole. Each peg also has a slot extending radially inwardly from the body to near or beyond the axis of the peg, and has a pair of ribs on opposite sides of the slot, so the ribs can deflect to a smaller radius by slight closing of the slot. The circuit board is of harder material than the pegs and a recess is provided around the upper end of each peg to receive debris shaved from the ribs when they are pressed into a hole where there is large interference. Adjacent pegs are oriented with their slots turned at least 45.degree. from one another, to minimize stress and possible breakage of the pegs.
The novel features of the invention are set forth with particularity in the appended claims. The invention will be best understood from the following description when read in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a top and side isometric view of a connector of the present invention, showing it fully installed on a circuit board, with only a portion of the circuit board being shown.
FIG. 2 is a side elevation view of the connector of FIG. 1, with the circuit board being shown in phantom lines.
FIG. 3 is an upside-down isometric view of the assembly of FIG. 1, with much of the circuit board being cut away.
FIG. 4 is an isometric view of a portion of the assembly of FIG. 4.
FIG. 5 is an end view of the peg of FIG. 4.
FIG. 6 is a view taken on the line 6--6 of FIG. 5.
FIG. 7 is a view taken on the line 7--7 of FIG. 6.
FIG. 8 is an enlarged view of a portion of the peg of FIG. 5, but showing it deformed in a circuit board hole.
FIG. 9 is an end view of a peg constructed in accordance with another embodiment of the invention.
FIG. 10 is a sectional side view of a portion of a connector with its peg inserted into a circuit board hole, constructed in accordance with another embodiment of the invention.
FIG. 11 is an end view of the peg of FIG. 10.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
FIG. 1 illustrates a combination or system 10 that includes a connector 12 mounted on top of an edge portion of a circuit board 14. The connector has a housing 16 with a main housing portion 20 that contains socket contacts 22, the contacts extending from the main housing portion and through a support plate 24 into plated-through holes of the circuit board. The connector is designed to mate with another connector having pins that enter socket holes 26, to connect contacts of the other connector to traces on the circuit board. Although terms such as "upper", "lower", "horizontal", "depending", and the like will be used to aid in the description o
REFERENCES:
patent: 2853913 (1958-09-01), Rapata
patent: 3240100 (1966-03-01), Rose
patent: 4076356 (1978-02-01), Tamburro
patent: 4195900 (1980-04-01), Hughes
patent: 4435031 (1984-03-01), Black et al.
patent: 4477142 (1984-10-01), Cooper et al.
patent: 4691971 (1987-09-01), Hahn
patent: 4691979 (1987-09-01), Manska
patent: 4726638 (1988-02-01), Farrar et al.
patent: 4740166 (1988-04-01), Barnhouse
patent: 4776807 (1988-10-01), Triner et al.
patent: 4907987 (1990-03-01), Douty et al.
patent: 5002507 (1991-03-01), Sitzler
Desmond Eugene F.
ITT Corporation
Peterson Thomas L.
LandOfFree
Peg held connector does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Peg held connector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Peg held connector will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-212516