Geometrical instruments
Patent
1973-11-01
1976-06-15
Frazier, Roy D.
Geometrical instruments
339217R, H05K 102
Patent
active
039633160
ABSTRACT:
An electrical connector is attachable to an insulated electrical conductor wire and insertable partially through a hole defined through a printed circuit board after attachment of the connector to the wire in order to retain a bared end portion of the wire in a desired predetermined position between the sidewalls of the hole and substantially below the top surface of the board prior to the formation of an electrical solder connection between the bared end portion of the wire and an electrical conductor formed on the bottom surface of the board. The connector is comprised by a base having rearward and forward portions, a first pair of sidewalls extending outwardly from opposed longitudinal sides of the rearward base portion, a second pair of sidewalls extending outwardly from opposed longitudinal sides of the forward base portion, and a pair of resiliently flexible hook-like members projecting from the second pair of sidewalls. The first sidewalls and the rearward base portion are together capable of being formed in a first predetermined configuration about an insulated marginal end portion of the wire adjacent to the bared end portion to mechanically grip the insulated marginal end portion, the first predetermined configuration having a maximum lateral dimension slightly larger than a maximum lateral dimension of the hole. The second sidewalls and the forward base portion are together capable of being formed in a second predetermined configuration about the bared end portion of the wire, the second predetermined configuration having lateral dimensions slightly smaller than, and alignable within, the lateral dimensions of the hole and a longitudinal dimension which at a maximum is substantially equal to the depth of the hole. Each of the pair of hook-like members have first and second segments. Each of the first segments is connected at one of its two ends to one of the second sidewalls and projects forwardly therefrom within the lateral dimensions of the second sidewalls. Each of the second segments merges at one of its two ends from one of the other ends of the first segments and projects rearwardly therefrom. Each of the other ends of the second segments is disposed outwardly from one of the one ends of the first segments and outside of the lateral dimensions of the hole and is displaced longitudinally along the connector from one of the first sidewalls through a distance slightly greater than the thickness of the board. At least one of the first and second segments is flexibly moveable so as to dispose the other end of the second segment within the lateral dimensions of the hole.
Alternatively, in lieu of hook-like members a channel-shape or semi-cylindrical portion can be secured to said forward base portion and extend through said hole. The wire is also extended through said hole and retained in said channel-shaped portion. A finger-like element is formed from, and secured at one end to, said channel-shaped section with its other end which is free extending outwardly from said channel-shaped section and up towards said circuit board to abut thereagainst.
REFERENCES:
patent: 2825036 (1958-02-01), Sorensen
patent: 2857582 (1958-10-01), Wintress
patent: 3008119 (1961-11-01), Swengel
patent: 3027537 (1962-03-01), Hess et al.
patent: 3047831 (1962-07-01), Majewski
patent: 3096393 (1963-07-01), Mancini
patent: 3107965 (1963-10-01), Solorow et al.
patent: 3344388 (1967-09-01), Parker et al.
patent: 3808588 (1974-04-01), McGregor
AMP Incorporated
Frazier Roy D.
Keating William J.
Lewis Terrell P.
Phillion Donald W.
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