Electrical connectors – Coupling part with actuating means urging contact to move... – Contractile receptacle
Patent
1994-08-03
1995-11-14
Pauman, Gary F.
Electrical connectors
Coupling part with actuating means urging contact to move...
Contractile receptacle
439259, H01R 1362
Patent
active
054661692
ABSTRACT:
An improved zero insertion force socket suitable for engaging with terminals of an integrated circuit such as a CPU of a personal computer. The terminals are permitted to be inserted into and withdrawn from the socket with very little or even zero insertion and withdrawal force. The socket includes multiple contacts and multiple insertion holes each of which has a relatively wide first insertion space for receiving the contacts and a relatively narrow second insertion space for receiving the terminals. Two locating walls are formed at an adjoining portion between the first and second insertion spaces and the each contact has an elastic engaging portion formed with two stopping portions, whereby when the contact is inserted into the first insertion space, the two stopping portion abut against the two locating walls to bias and pre-load the elastic engaging portion of the contact and accurately locate the same at its true position. Therefore, when the terminal is inserted into the second insertion space and urged to move toward the pre-loaded elastic engaging portion, the same accurately exerts a greater contacting pressure on the terminal so as to achieve a better contact relationship between the contact and the terminal.
REFERENCES:
patent: 4343524 (1982-08-01), Bright et al.
patent: 5342213 (1994-08-01), Kobayashi
patent: 5342214 (1994-08-01), Hsu
Klein David I.
Pauman Gary F.
Rosenberg Morton J.
Vu Hien D.
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