Geometrical instruments
Patent
1981-05-29
1983-11-15
McGlynn, Joseph H.
Geometrical instruments
H01R 916
Patent
active
044152205
ABSTRACT:
An electrical terminal pin (10) adapted for engagement with a plated-through hole in a printed wiring board backplane. The pin includes at least one end (12) for receiving electrically conductive elements and an S-shaped compliant portion (16) adapted and dimensioned to minimize deformation of the plated-through hole. The compliant portion (16) includes a transition section (17) in which the S-shaped cross section evolves from the square cross section of the end (12) of the pin (10). Because of the varying dimensions in the transition section (17), a smaller plated-through hole, which requires more "conditioning" than a larger hole, will be first encountered by a relatively stiffer part of the pin (10). As a result, the tolerance required in the production of plated-through holes may be increased.
REFERENCES:
patent: 2685074 (1954-07-01), Lazzery
patent: 3223960 (1965-12-01), Ruehlemann
patent: 3444617 (1969-05-01), Stricker et al.
patent: 3539954 (1970-11-01), Camire
patent: 3566343 (1971-02-01), Kinkard
patent: 3602875 (1971-08-01), Pierini
patent: 3824554 (1974-07-01), Shoholm
patent: 3907400 (1975-09-01), Dennis
patent: 4066326 (1978-01-01), Lovendusky
patent: 4223970 (1980-09-01), Walter
Bell Telephone Laboratories Incorporated
Kamstra W. H.
McGlynn Joseph H.
Watland R. T.
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