Geometrical instruments
Patent
1977-09-15
1979-02-13
McGlynn, Joseph H.
Geometrical instruments
113119, H01R 1312
Patent
active
041392566
ABSTRACT:
An electrical contact with a cylindrical bore having an internal pressure finger and two external retaining louvers, made from a blank of sheet metal wherein the outlines of each finger and louver are stamped as U-shaped cuts spaced in separate rows, the blank then being folded along a line between the respective rows and rolled into cylindrical form with the pressure finger on the inside and retaining louvers on the outside.
REFERENCES:
patent: 1194122 (1916-08-01), Ball
patent: 3538491 (1970-11-01), Longenecker et al.
patent: 3544954 (1968-10-01), Yeager
patent: 3654595 (1972-04-01), Curr
patent: 4068917 (1978-01-01), Seidler
McGlynn Joseph H.
North American Specialties Corp.
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