Geometrical instruments
Patent
1980-06-19
1982-09-28
McQuade, John
Geometrical instruments
H01R 448
Patent
active
043515835
ABSTRACT:
The electrical terminal includes an electrical contact and a resilient, generally U-shaped reinforcing member. The contact includes a strip of metal of flexible material having good electrical conductivity, a low coefficient of friction, and the oxide of which is a relatively good conductor. The contact has at least a portion formed as a generally U-shaped member with a bight portion and having arms more closely spaced at its free ends than in the region of the bight portion. The arms are flared outwardly at their free ends. The U-shaped member is formed with a plurality of recesses which extend from the free ends through the bight portion. The reinforcing member is arranged substantially without the U-shaped member contact and embraces the arms, and is formed of material which retains its resiliency when subjected to heat. The resilient member is formed of a plurality of recess engaging portions connected at ends thereof with the portions being adapted to nest, at least partially, within the recesses. The recesses can be in the form of slots. The slots or recesses are narrower at their ends than at their bight portions, and the connected strips of the resilient member can be adapted to seat, at least partially, within the slots with the connected strips being wider at their bight portions than at their ends. The flexible material can be copper alloy, such as copper plated with tin, and the resilient material can be high carbon steel. Each of the formed arms, which were slotted, form furcated fingers and each pair, preferably, have facing convex surfaces. In some embodiments, only one of the contact and resilient member has a slot.
REFERENCES:
patent: 1327844 (1920-01-01), Schaefer
patent: 2134074 (1938-10-01), Chirelstein
patent: 3054025 (1962-09-01), Edmunds
patent: 3114023 (1963-12-01), Locher
patent: 3144588 (1964-08-01), Platz et al.
patent: 3478299 (1969-11-01), Cinatl et al.
patent: 4278316 (1981-07-01), White
Fisher Fred
GTE Products Corporation
McQuade John
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