Electrical contact retention bushing method of making

Details Electrical contact retention bushing method of making Electrical contact retention bushing method of making

1978-08-21

1980-04-15

Gilden, Leon

Geometrical instruments

29874, 29882, 339275R, B21D 5300

Patent

active

041978048

ABSTRACT:
An electrical contact retention bushing (100) which is stamped and formed from flat stock. The bushing is stamped in a shape that includes a base portion (110) with a plurality of fingers (120) extending from the base portion. Each finger (120) includes at least one (and preferably two) retention tine (130). Once formed, the bushing fits within and seats on a shoulder (312) of a wafer (300) within an electrical connector. The bushing retains an electrical contact (500) by engaging a shoulder (510) of the contact with the tines (130) on the fingers (120). The bushing (100) is preferably stamped from a soft metal which is then heat-treated to harden it and formed into the desired shape to save weight and manufacturing and material costs when compared with a machined bushing.

REFERENCES:
patent: 2004076 (1935-06-01), Knutson
patent: 2468169 (1949-04-01), Carlson et al.
patent: 2647248 (1953-07-01), Ritter
patent: 3273108 (1966-09-01), Radocy
patent: 3348192 (1967-10-01), DeVito
patent: 3368188 (1968-02-01), Olsson
patent: 3538491 (1970-11-01), Longenecker
patent: 3601786 (1971-08-01), Brubaker
patent: 4136628 (1979-01-01), McGonigal et al.

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